diff --git a/api/src/analytics/repositories/bot-stats.repository.ts b/api/src/analytics/repositories/bot-stats.repository.ts
index 370abddd..71ee8fa5 100644
--- a/api/src/analytics/repositories/bot-stats.repository.ts
+++ b/api/src/analytics/repositories/bot-stats.repository.ts
@@ -16,7 +16,7 @@ import { BaseRepository } from '@/utils/generics/base-repository';
 import { BotStats, BotStatsType } from '../schemas/bot-stats.schema';
 
 @Injectable()
-export class BotStatsRepository extends BaseRepository<BotStats, never> {
+export class BotStatsRepository extends BaseRepository<BotStats> {
   constructor(@InjectModel(BotStats.name) readonly model: Model<BotStats>) {
     super(model, BotStats);
   }
diff --git a/api/src/chat/controllers/block.controller.ts b/api/src/chat/controllers/block.controller.ts
index 9e8dce12..2bf60b3e 100644
--- a/api/src/chat/controllers/block.controller.ts
+++ b/api/src/chat/controllers/block.controller.ts
@@ -36,14 +36,24 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { BlockCreateDto, BlockUpdateDto } from '../dto/block.dto';
-import { Block, BlockFull, BlockStub } from '../schemas/block.schema';
+import {
+  Block,
+  BlockFull,
+  BlockPopulate,
+  BlockStub,
+} from '../schemas/block.schema';
 import { BlockService } from '../services/block.service';
 import { CategoryService } from '../services/category.service';
 import { LabelService } from '../services/label.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('Block')
-export class BlockController extends BaseController<Block, BlockStub> {
+export class BlockController extends BaseController<
+  Block,
+  BlockStub,
+  BlockPopulate,
+  BlockFull
+> {
   constructor(
     private readonly blockService: BlockService,
     private readonly logger: LoggerService,
@@ -68,15 +78,7 @@ export class BlockController extends BaseController<Block, BlockStub> {
     @Query(new SearchFilterPipe<Block>({ allowedFields: ['category'] }))
     filters: TFilterQuery<Block>,
   ): Promise<Block[] | BlockFull[]> {
-    return this.canPopulate(populate, [
-      'trigger_labels',
-      'assign_labels',
-      'nextBlocks',
-      'attachedBlock',
-      'category',
-      'previousBlocks',
-      'attachedToBlock',
-    ])
+    return this.canPopulate(populate)
       ? await this.blockService.findAndPopulate(filters)
       : await this.blockService.find(filters);
   }
@@ -189,15 +191,7 @@ export class BlockController extends BaseController<Block, BlockStub> {
     @Query(PopulatePipe)
     populate: string[],
   ): Promise<Block | BlockFull> {
-    const doc = this.canPopulate(populate, [
-      'trigger_labels',
-      'assign_labels',
-      'nextBlocks',
-      'attachedBlock',
-      'category',
-      'previousBlocks',
-      'attachedToBlock',
-    ])
+    const doc = this.canPopulate(populate)
       ? await this.blockService.findOneAndPopulate(id)
       : await this.blockService.findOne(id);
     if (!doc) {
diff --git a/api/src/chat/controllers/category.controller.ts b/api/src/chat/controllers/category.controller.ts
index 73c3d055..2c6a3dc4 100644
--- a/api/src/chat/controllers/category.controller.ts
+++ b/api/src/chat/controllers/category.controller.ts
@@ -33,7 +33,6 @@ import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { CategoryCreateDto, CategoryUpdateDto } from '../dto/category.dto';
 import { Category } from '../schemas/category.schema';
-import { BlockService } from '../services/block.service';
 import { CategoryService } from '../services/category.service';
 
 @UseInterceptors(CsrfInterceptor)
@@ -41,7 +40,6 @@ import { CategoryService } from '../services/category.service';
 export class CategoryController extends BaseController<Category> {
   constructor(
     private readonly categoryService: CategoryService,
-    private readonly blockService: BlockService,
     private readonly logger: LoggerService,
   ) {
     super(categoryService);
diff --git a/api/src/chat/controllers/label.controller.ts b/api/src/chat/controllers/label.controller.ts
index 475e26c5..596d9db6 100644
--- a/api/src/chat/controllers/label.controller.ts
+++ b/api/src/chat/controllers/label.controller.ts
@@ -32,12 +32,22 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { LabelCreateDto, LabelUpdateDto } from '../dto/label.dto';
-import { Label, LabelStub } from '../schemas/label.schema';
+import {
+  Label,
+  LabelFull,
+  LabelPopulate,
+  LabelStub,
+} from '../schemas/label.schema';
 import { LabelService } from '../services/label.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('label')
-export class LabelController extends BaseController<Label, LabelStub> {
+export class LabelController extends BaseController<
+  Label,
+  LabelStub,
+  LabelPopulate,
+  LabelFull
+> {
   constructor(
     private readonly labelService: LabelService,
     private readonly logger: LoggerService,
@@ -53,7 +63,7 @@ export class LabelController extends BaseController<Label, LabelStub> {
     @Query(new SearchFilterPipe<Label>({ allowedFields: ['name', 'title'] }))
     filters: TFilterQuery<Label>,
   ) {
-    return this.canPopulate(populate, ['users'])
+    return this.canPopulate(populate)
       ? await this.labelService.findPageAndPopulate(filters, pageQuery)
       : await this.labelService.findPage(filters, pageQuery);
   }
@@ -80,7 +90,7 @@ export class LabelController extends BaseController<Label, LabelStub> {
     @Query(PopulatePipe)
     populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['users'])
+    const doc = this.canPopulate(populate)
       ? await this.labelService.findOneAndPopulate(id)
       : await this.labelService.findOne(id);
     if (!doc) {
diff --git a/api/src/chat/controllers/message.controller.ts b/api/src/chat/controllers/message.controller.ts
index 906b5556..a609760f 100644
--- a/api/src/chat/controllers/message.controller.ts
+++ b/api/src/chat/controllers/message.controller.ts
@@ -36,7 +36,12 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { MessageCreateDto } from '../dto/message.dto';
-import { Message, MessageStub } from '../schemas/message.schema';
+import {
+  Message,
+  MessageFull,
+  MessagePopulate,
+  MessageStub,
+} from '../schemas/message.schema';
 import {
   OutgoingMessage,
   OutgoingMessageFormat,
@@ -49,7 +54,12 @@ import { SubscriberService } from '../services/subscriber.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('message')
-export class MessageController extends BaseController<Message, MessageStub> {
+export class MessageController extends BaseController<
+  Message,
+  MessageStub,
+  MessagePopulate,
+  MessageFull
+> {
   constructor(
     private readonly messageService: MessageService,
     private readonly subscriberService: SubscriberService,
@@ -70,7 +80,7 @@ export class MessageController extends BaseController<Message, MessageStub> {
     )
     filters: TFilterQuery<Message>,
   ) {
-    return this.canPopulate(populate, ['recipient', 'sender', 'sentBy'])
+    return this.canPopulate(populate)
       ? await this.messageService.findPageAndPopulate(filters, pageQuery)
       : await this.messageService.findPage(filters, pageQuery);
   }
@@ -97,7 +107,7 @@ export class MessageController extends BaseController<Message, MessageStub> {
     @Query(PopulatePipe)
     populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['recipient', 'sender', 'sentBy'])
+    const doc = this.canPopulate(populate)
       ? await this.messageService.findOneAndPopulate(id)
       : await this.messageService.findOne(id);
     if (!doc) {
diff --git a/api/src/chat/controllers/subscriber.controller.ts b/api/src/chat/controllers/subscriber.controller.ts
index 82ce6807..9c659265 100644
--- a/api/src/chat/controllers/subscriber.controller.ts
+++ b/api/src/chat/controllers/subscriber.controller.ts
@@ -32,14 +32,21 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { SubscriberUpdateDto } from '../dto/subscriber.dto';
-import { Subscriber, SubscriberStub } from '../schemas/subscriber.schema';
+import {
+  Subscriber,
+  SubscriberFull,
+  SubscriberPopulate,
+  SubscriberStub,
+} from '../schemas/subscriber.schema';
 import { SubscriberService } from '../services/subscriber.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('subscriber')
 export class SubscriberController extends BaseController<
   Subscriber,
-  SubscriberStub
+  SubscriberStub,
+  SubscriberPopulate,
+  SubscriberFull
 > {
   constructor(
     private readonly subscriberService: SubscriberService,
@@ -67,7 +74,7 @@ export class SubscriberController extends BaseController<
     )
     filters: TFilterQuery<Subscriber>,
   ) {
-    return this.canPopulate(populate, ['labels', 'assignedTo', 'avatar'])
+    return this.canPopulate(populate)
       ? await this.subscriberService.findPageAndPopulate(filters, pageQuery)
       : await this.subscriberService.findPage(filters, pageQuery);
   }
@@ -100,7 +107,7 @@ export class SubscriberController extends BaseController<
     @Query(PopulatePipe)
     populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['labels', 'assignedTo', 'avatar'])
+    const doc = this.canPopulate(populate)
       ? await this.subscriberService.findOneAndPopulate(id)
       : await this.subscriberService.findOne(id);
     if (!doc) {
diff --git a/api/src/chat/repositories/block.repository.ts b/api/src/chat/repositories/block.repository.ts
index 1ed4a20a..a10408f9 100644
--- a/api/src/chat/repositories/block.repository.ts
+++ b/api/src/chat/repositories/block.repository.ts
@@ -10,11 +10,11 @@
 import { Injectable, Optional } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
 import {
-  TFilterQuery,
-  Model,
   Document,
-  Types,
+  Model,
   Query,
+  TFilterQuery,
+  Types,
   UpdateQuery,
   UpdateWithAggregationPipeline,
 } from 'mongoose';
@@ -23,27 +23,24 @@ import { LoggerService } from '@/logger/logger.service';
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
 
 import { BlockCreateDto, BlockUpdateDto } from '../dto/block.dto';
-import { Block, BlockFull } from '../schemas/block.schema';
+import {
+  Block,
+  BLOCK_POPULATE,
+  BlockFull,
+  BlockPopulate,
+} from '../schemas/block.schema';
 
 @Injectable()
 export class BlockRepository extends BaseRepository<
   Block,
-  | 'trigger_labels'
-  | 'assign_labels'
-  | 'nextBlocks'
-  | 'attachedBlock'
-  | 'category'
-  | 'previousBlocks'
-  | 'attachedToBlock'
+  BlockPopulate,
+  BlockFull
 > {
-  private readonly logger: LoggerService;
-
   constructor(
     @InjectModel(Block.name) readonly model: Model<Block>,
-    @Optional() logger?: LoggerService,
+    @Optional() private readonly logger?: LoggerService,
   ) {
-    super(model, Block);
-    this.logger = logger;
+    super(model, Block, BLOCK_POPULATE, BlockFull);
   }
 
   /**
@@ -160,44 +157,4 @@ export class BlockRepository extends BaseRepository<
       );
     }
   }
-
-  /**
-   * Finds blocks and populates related fields (e.g., labels, attached blocks).
-   *
-   * @param filters - The filter criteria for finding blocks.
-   *
-   * @returns The populated block results.
-   */
-  async findAndPopulate(filters: TFilterQuery<Block>) {
-    const query = this.findQuery(filters).populate([
-      'trigger_labels',
-      'assign_labels',
-      'nextBlocks',
-      'attachedBlock',
-      'category',
-      'previousBlocks',
-      'attachedToBlock',
-    ]);
-    return await this.execute(query, BlockFull);
-  }
-
-  /**
-   * Finds a single block by ID and populates related fields (e.g., labels, attached blocks).
-   *
-   * @param id - The ID of the block to find.
-   *
-   * @returns The populated block result or null if not found.
-   */
-  async findOneAndPopulate(id: string) {
-    const query = this.findOneQuery(id).populate([
-      'trigger_labels',
-      'assign_labels',
-      'nextBlocks',
-      'attachedBlock',
-      'category',
-      'previousBlocks',
-      'attachedToBlock',
-    ]);
-    return await this.executeOne(query, BlockFull);
-  }
 }
diff --git a/api/src/chat/repositories/category.repository.ts b/api/src/chat/repositories/category.repository.ts
index 81ea076f..eeeed0de 100644
--- a/api/src/chat/repositories/category.repository.ts
+++ b/api/src/chat/repositories/category.repository.ts
@@ -11,7 +11,6 @@ import { ForbiddenException, Injectable, Optional } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
 import { Document, Model, Query, TFilterQuery } from 'mongoose';
 
-import { LoggerService } from '@/logger/logger.service';
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
 
 import { Category } from '../schemas/category.schema';
@@ -19,17 +18,13 @@ import { BlockService } from '../services/block.service';
 
 @Injectable()
 export class CategoryRepository extends BaseRepository<Category> {
-  private readonly logger: LoggerService;
-
   private readonly blockService: BlockService;
 
   constructor(
     @InjectModel(Category.name) readonly model: Model<Category>,
     @Optional() blockService?: BlockService,
-    @Optional() logger?: LoggerService,
   ) {
     super(model, Category);
-    this.logger = logger;
     this.blockService = blockService;
   }
 
diff --git a/api/src/chat/repositories/conversation.repository.ts b/api/src/chat/repositories/conversation.repository.ts
index 8cdbf798..8b7b7efa 100644
--- a/api/src/chat/repositories/conversation.repository.ts
+++ b/api/src/chat/repositories/conversation.repository.ts
@@ -16,20 +16,23 @@ import { BaseRepository } from '@/utils/generics/base-repository';
 
 import {
   Conversation,
+  CONVERSATION_POPULATE,
   ConversationDocument,
   ConversationFull,
+  ConversationPopulate,
 } from '../schemas/conversation.schema';
 
 @Injectable()
 export class ConversationRepository extends BaseRepository<
   Conversation,
-  'sender' | 'current' | 'next'
+  ConversationPopulate,
+  ConversationFull
 > {
   constructor(
     @InjectModel(Conversation.name) readonly model: Model<Conversation>,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, Conversation);
+    super(model, Conversation, CONVERSATION_POPULATE, ConversationFull);
   }
 
   /**
diff --git a/api/src/chat/repositories/label.repository.ts b/api/src/chat/repositories/label.repository.ts
index 0484e356..559d6bd8 100644
--- a/api/src/chat/repositories/label.repository.ts
+++ b/api/src/chat/repositories/label.repository.ts
@@ -10,22 +10,29 @@
 import { Injectable } from '@nestjs/common';
 import { EventEmitter2 } from '@nestjs/event-emitter';
 import { InjectModel } from '@nestjs/mongoose';
-import { TFilterQuery, Model, Document, Query } from 'mongoose';
+import { Document, Model, Query, TFilterQuery } from 'mongoose';
 
-import { LoggerService } from '@/logger/logger.service';
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
-import { Label, LabelDocument, LabelFull } from '../schemas/label.schema';
+import {
+  Label,
+  LABEL_POPULATE,
+  LabelDocument,
+  LabelFull,
+  LabelPopulate,
+} from '../schemas/label.schema';
 
 @Injectable()
-export class LabelRepository extends BaseRepository<Label, 'users'> {
+export class LabelRepository extends BaseRepository<
+  Label,
+  LabelPopulate,
+  LabelFull
+> {
   constructor(
     @InjectModel(Label.name) readonly model: Model<Label>,
     private readonly eventEmitter: EventEmitter2,
-    private readonly logger: LoggerService,
   ) {
-    super(model, Label);
+    super(model, Label, LABEL_POPULATE, LabelFull);
   }
 
   /**
@@ -78,42 +85,4 @@ export class LabelRepository extends BaseRepository<Label, 'users'> {
     );
     this.eventEmitter.emit('hook:chatbot:label:delete', labels);
   }
-
-  /**
-   * Fetches all label documents and populates the `users` field which references the subscribers.
-   *
-   * @returns A promise that resolves with an array of fully populated `LabelFull` documents.
-   */
-  async findAllAndPopulate() {
-    const query = this.findAllQuery().populate(['users']);
-    return await this.execute(query, LabelFull);
-  }
-
-  /**
-   * Fetches a paginated list of label documents based on filters and populates the `users` (subscribers) field.
-   *
-   * @param filters - The filter criteria for querying the labels.
-   * @param pageQuery - The pagination query options.
-   *
-   * @returns A promise that resolves with a paginated array of fully populated `LabelFull` documents.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<Label>,
-    pageQuery: PageQueryDto<Label>,
-  ) {
-    const query = this.findPageQuery(filters, pageQuery).populate(['users']);
-    return await this.execute(query, LabelFull);
-  }
-
-  /**
-   * Fetches a single label document by its ID and populates the `users` (subscribers) field.
-   *
-   * @param id - The ID of the label to be fetched.
-   *
-   * @returns A promise that resolves with a fully populated label.
-   */
-  async findOneAndPopulate(id: string) {
-    const query = this.findOneQuery(id).populate(['users']);
-    return await this.executeOne(query, LabelFull);
-  }
 }
diff --git a/api/src/chat/repositories/message.repository.ts b/api/src/chat/repositories/message.repository.ts
index 0005c455..31d6c256 100644
--- a/api/src/chat/repositories/message.repository.ts
+++ b/api/src/chat/repositories/message.repository.ts
@@ -9,23 +9,28 @@
 
 import { Injectable, Optional } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
-import { TFilterQuery, Model, Query } from 'mongoose';
+import { Model } from 'mongoose';
 
 import { LoggerService } from '@/logger/logger.service';
 import { NlpSampleCreateDto } from '@/nlp/dto/nlp-sample.dto';
 import { NlpSampleState } from '@/nlp/schemas/types';
 import { NlpSampleService } from '@/nlp/services/nlp-sample.service';
 import { BaseRepository } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
-import { Message, MessageFull } from '../schemas/message.schema';
+import {
+  Message,
+  MESSAGE_POPULATE,
+  MessageFull,
+  MessagePopulate,
+} from '../schemas/message.schema';
 import { Subscriber } from '../schemas/subscriber.schema';
 import { AnyMessage } from '../schemas/types/message';
 
 @Injectable()
 export class MessageRepository extends BaseRepository<
   AnyMessage,
-  'sender' | 'recipient'
+  MessagePopulate,
+  MessageFull
 > {
   private readonly nlpSampleService: NlpSampleService;
 
@@ -36,7 +41,12 @@ export class MessageRepository extends BaseRepository<
     @Optional() nlpSampleService?: NlpSampleService,
     @Optional() logger?: LoggerService,
   ) {
-    super(model, Message as new () => AnyMessage);
+    super(
+      model,
+      Message as new () => AnyMessage,
+      MESSAGE_POPULATE,
+      MessageFull,
+    );
     this.logger = logger;
     this.nlpSampleService = nlpSampleService;
   }
@@ -81,42 +91,6 @@ export class MessageRepository extends BaseRepository<
     }
   }
 
-  /**
-   * Retrieves a paginated list of messages with sender and recipient populated.
-   * Uses filter criteria and pagination settings for the query.
-   *
-   * @param filters - Filter criteria for querying messages.
-   * @param pageQuery - Pagination settings, including skip, limit, and sort order.
-   *
-   * @returns A paginated list of messages with sender and recipient details populated.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<AnyMessage>,
-    pageQuery: PageQueryDto<AnyMessage>,
-  ) {
-    const query = this.findPageQuery(filters, pageQuery).populate([
-      'sender',
-      'recipient',
-    ]);
-
-    return await this.execute(
-      query as Query<AnyMessage[], AnyMessage, object, AnyMessage, 'find'>,
-      MessageFull,
-    );
-  }
-
-  /**
-   * Retrieves a single message by its ID, populating the sender and recipient fields.
-   *
-   * @param id - The ID of the message to retrieve.
-   *
-   * @returns The message with sender and recipient details populated.
-   */
-  async findOneAndPopulate(id: string) {
-    const query = this.findOneQuery(id).populate(['sender', 'recipient']);
-    return await this.executeOne(query, MessageFull);
-  }
-
   /**
    * Retrieves the message history for a given subscriber, with messages sent or received
    * before the specified date. Results are limited and sorted by creation date.
diff --git a/api/src/chat/repositories/subscriber.repository.ts b/api/src/chat/repositories/subscriber.repository.ts
index 10388bf4..3a91d645 100644
--- a/api/src/chat/repositories/subscriber.repository.ts
+++ b/api/src/chat/repositories/subscriber.repository.ts
@@ -20,25 +20,27 @@ import {
 } from 'mongoose';
 
 import { BaseRepository } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { SubscriberUpdateDto } from '../dto/subscriber.dto';
 import {
   Subscriber,
+  SUBSCRIBER_POPULATE,
   SubscriberDocument,
   SubscriberFull,
+  SubscriberPopulate,
 } from '../schemas/subscriber.schema';
 
 @Injectable()
 export class SubscriberRepository extends BaseRepository<
   Subscriber,
-  'labels' | 'assignedTo' | 'avatar'
+  SubscriberPopulate,
+  SubscriberFull
 > {
   constructor(
     @InjectModel(Subscriber.name) readonly model: Model<Subscriber>,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, Subscriber);
+    super(model, Subscriber, SUBSCRIBER_POPULATE, SubscriberFull);
   }
 
   /**
@@ -159,11 +161,8 @@ export class SubscriberRepository extends BaseRepository<
    * @returns The found subscriber entity with populated fields.
    */
   async findOneByForeignIdAndPopulate(id: string): Promise<SubscriberFull> {
-    const query = this.findByForeignIdQuery(id).populate([
-      'labels',
-      'assignedTo',
-    ]);
-    const [result] = await this.execute(query, SubscriberFull);
+    const query = this.findByForeignIdQuery(id).populate(this.populate);
+    const [result] = await this.execute(query, this.clsPopulate);
     return result;
   }
 
@@ -223,56 +222,4 @@ export class SubscriberRepository extends BaseRepository<
       },
     );
   }
-
-  /**
-   * Finds all subscribers and populates related fields such as `labels`, `assignedTo`, and `avatar`.
-   *
-   * @returns A list of all subscribers with populated fields.
-   */
-  async findAllAndPopulate(): Promise<SubscriberFull[]> {
-    const query = this.findAllQuery().populate([
-      'labels',
-      'assignedTo',
-      'avatar',
-    ]);
-    return await this.execute(query, SubscriberFull);
-  }
-
-  /**
-   * Finds subscribers using pagination and populates related fields such as `labels`, `assignedTo`, and `avatar`.
-   *
-   * @param filters - The filter criteria to apply when finding subscribers.
-   * @param pageQuery - The pagination query.
-   *
-   * @returns A paginated list of subscribers with populated fields.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<Subscriber>,
-    pageQuery: PageQueryDto<Subscriber>,
-  ): Promise<SubscriberFull[]> {
-    const query = this.findPageQuery(filters, pageQuery).populate([
-      'labels',
-      'assignedTo',
-      'avatar',
-    ]);
-    return await this.execute(query, SubscriberFull);
-  }
-
-  /**
-   * Finds a single subscriber by criteria and populates related fields such as `labels`, `assignedTo`, and `avatar`.
-   *
-   * @param criteria - The filter criteria to apply when finding a subscriber.
-   *
-   * @returns The found subscriber entity with populated fields.
-   */
-  async findOneAndPopulate(
-    criteria: string | TFilterQuery<Subscriber>,
-  ): Promise<SubscriberFull> {
-    const query = this.findOneQuery(criteria).populate([
-      'labels',
-      'assignedTo',
-      'avatar',
-    ]);
-    return await this.executeOne(query, SubscriberFull);
-  }
 }
diff --git a/api/src/chat/schemas/block.schema.ts b/api/src/chat/schemas/block.schema.ts
index 4b7f7c85..f3bc6dc1 100644
--- a/api/src/chat/schemas/block.schema.ts
+++ b/api/src/chat/schemas/block.schema.ts
@@ -13,6 +13,7 @@ import { Schema as MongooseSchema, THydratedDocument } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Category } from './category.schema';
 import { Label } from './label.schema';
@@ -194,3 +195,15 @@ BlockModel.schema.virtual('attachedToBlock', {
 });
 
 export default BlockModel.schema;
+
+export type BlockPopulate = keyof TFilterPopulateFields<Block, BlockStub>;
+
+export const BLOCK_POPULATE: BlockPopulate[] = [
+  'trigger_labels',
+  'assign_labels',
+  'nextBlocks',
+  'attachedBlock',
+  'category',
+  'previousBlocks',
+  'attachedToBlock',
+];
diff --git a/api/src/chat/schemas/conversation.schema.ts b/api/src/chat/schemas/conversation.schema.ts
index cde32759..7086f07e 100644
--- a/api/src/chat/schemas/conversation.schema.ts
+++ b/api/src/chat/schemas/conversation.schema.ts
@@ -12,6 +12,7 @@ import { Transform, Type } from 'class-transformer';
 import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Block } from './block.schema';
 import { Subscriber } from './subscriber.schema';
@@ -103,3 +104,14 @@ export const ConversationModel: ModelDefinition = {
 };
 
 export default ConversationModel.schema;
+
+export type ConversationPopulate = keyof TFilterPopulateFields<
+  Conversation,
+  ConversationStub
+>;
+
+export const CONVERSATION_POPULATE: ConversationPopulate[] = [
+  'sender',
+  'current',
+  'next',
+];
diff --git a/api/src/chat/schemas/label.schema.ts b/api/src/chat/schemas/label.schema.ts
index bd5da626..894112ee 100644
--- a/api/src/chat/schemas/label.schema.ts
+++ b/api/src/chat/schemas/label.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Subscriber } from './subscriber.schema';
 
@@ -77,3 +78,7 @@ LabelModel.schema.virtual('users', {
 });
 
 export default LabelModel.schema;
+
+export type LabelPopulate = keyof TFilterPopulateFields<Label, LabelStub>;
+
+export const LABEL_POPULATE: LabelPopulate[] = ['users'];
diff --git a/api/src/chat/schemas/message.schema.ts b/api/src/chat/schemas/message.schema.ts
index 911ba93b..34c1da38 100644
--- a/api/src/chat/schemas/message.schema.ts
+++ b/api/src/chat/schemas/message.schema.ts
@@ -13,6 +13,7 @@ import { Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Subscriber } from './subscriber.schema';
 import { StdIncomingMessage, StdOutgoingMessage } from './types/message';
@@ -102,3 +103,7 @@ export const MessageModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default MessageModel.schema;
+
+export type MessagePopulate = keyof TFilterPopulateFields<Message, MessageStub>;
+
+export const MESSAGE_POPULATE: MessagePopulate[] = ['sender', 'recipient'];
diff --git a/api/src/chat/schemas/subscriber.schema.ts b/api/src/chat/schemas/subscriber.schema.ts
index 728478cd..1cee129d 100644
--- a/api/src/chat/schemas/subscriber.schema.ts
+++ b/api/src/chat/schemas/subscriber.schema.ts
@@ -15,6 +15,7 @@ import { Attachment } from '@/attachment/schemas/attachment.schema';
 import { User } from '@/user/schemas/user.schema';
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Label } from './label.schema';
 import { ChannelData } from './types/channel';
@@ -140,3 +141,14 @@ export const SubscriberModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default SubscriberModel.schema;
+
+export type SubscriberPopulate = keyof TFilterPopulateFields<
+  Subscriber,
+  SubscriberStub
+>;
+
+export const SUBSCRIBER_POPULATE: SubscriberPopulate[] = [
+  'labels',
+  'assignedTo',
+  'avatar',
+];
diff --git a/api/src/chat/services/block.service.spec.ts b/api/src/chat/services/block.service.spec.ts
index f8919e02..43af4afe 100644
--- a/api/src/chat/services/block.service.spec.ts
+++ b/api/src/chat/services/block.service.spec.ts
@@ -177,7 +177,10 @@ describe('BlockService', () => {
           blockFixture.name === 'hasNextBlocks' ? [hasPreviousBlocks] : [],
       }));
 
-      expect(blockRepository.findAndPopulate).toHaveBeenCalledWith({});
+      expect(blockRepository.findAndPopulate).toHaveBeenCalledWith(
+        {},
+        undefined,
+      );
       expect(result).toEqualPayload(blocksWithCategory);
     });
   });
diff --git a/api/src/chat/services/block.service.ts b/api/src/chat/services/block.service.ts
index fe090669..91e0f07b 100644
--- a/api/src/chat/services/block.service.ts
+++ b/api/src/chat/services/block.service.ts
@@ -8,7 +8,6 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import { Attachment } from '@/attachment/schemas/attachment.schema';
 import { AttachmentService } from '@/attachment/services/attachment.service';
@@ -24,7 +23,7 @@ import { SettingService } from '@/setting/services/setting.service';
 import { BaseService } from '@/utils/generics/base-service';
 
 import { BlockRepository } from '../repositories/block.repository';
-import { Block, BlockFull } from '../schemas/block.schema';
+import { Block, BlockFull, BlockPopulate } from '../schemas/block.schema';
 import { WithUrl } from '../schemas/types/attachment';
 import { Context } from '../schemas/types/context';
 import {
@@ -36,7 +35,7 @@ import { NlpPattern, Pattern, PayloadPattern } from '../schemas/types/pattern';
 import { Payload, StdQuickReply } from '../schemas/types/quick-reply';
 
 @Injectable()
-export class BlockService extends BaseService<Block> {
+export class BlockService extends BaseService<Block, BlockPopulate, BlockFull> {
   constructor(
     readonly repository: BlockRepository,
     private readonly contentService: ContentService,
@@ -49,28 +48,6 @@ export class BlockService extends BaseService<Block> {
     super(repository);
   }
 
-  /**
-   * Finds and populates blocks based on the specified filters.
-   *
-   * @param filters - Query filters used to specify search criteria for finding blocks.
-   *
-   * @returns A promise that resolves to the populated blocks matching the filters.
-   */
-  async findAndPopulate(filters: TFilterQuery<Block>) {
-    return await this.repository.findAndPopulate(filters);
-  }
-
-  /**
-   * Finds and populates a block by ID.
-   *
-   * @param id - The block ID.
-   *
-   * @returns A promise that resolves to the populated block.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
   /**
    * Find a block whose patterns matches the received event
    *
diff --git a/api/src/chat/services/conversation.service.ts b/api/src/chat/services/conversation.service.ts
index 34ec28c1..ecf45fc5 100644
--- a/api/src/chat/services/conversation.service.ts
+++ b/api/src/chat/services/conversation.service.ts
@@ -17,12 +17,20 @@ import { BaseService } from '@/utils/generics/base-service';
 import { VIEW_MORE_PAYLOAD } from '../helpers/constants';
 import { ConversationRepository } from '../repositories/conversation.repository';
 import { Block, BlockFull } from '../schemas/block.schema';
-import { Conversation, ConversationFull } from '../schemas/conversation.schema';
+import {
+  Conversation,
+  ConversationFull,
+  ConversationPopulate,
+} from '../schemas/conversation.schema';
 import { OutgoingMessageFormat } from '../schemas/types/message';
 import { Payload } from '../schemas/types/quick-reply';
 
 @Injectable()
-export class ConversationService extends BaseService<Conversation> {
+export class ConversationService extends BaseService<
+  Conversation,
+  ConversationPopulate,
+  ConversationFull
+> {
   constructor(
     readonly repository: ConversationRepository,
     private readonly logger: LoggerService,
diff --git a/api/src/chat/services/label.service.ts b/api/src/chat/services/label.service.ts
index fa61147a..4da66f41 100644
--- a/api/src/chat/services/label.service.ts
+++ b/api/src/chat/services/label.service.ts
@@ -14,10 +14,10 @@ import { BaseService } from '@/utils/generics/base-service';
 import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { LabelRepository } from '../repositories/label.repository';
-import { Label } from '../schemas/label.schema';
+import { Label, LabelFull, LabelPopulate } from '../schemas/label.schema';
 
 @Injectable()
-export class LabelService extends BaseService<Label> {
+export class LabelService extends BaseService<Label, LabelPopulate, LabelFull> {
   constructor(readonly repository: LabelRepository) {
     super(repository);
   }
diff --git a/api/src/chat/services/message.service.ts b/api/src/chat/services/message.service.ts
index 9e4c2cb4..5cb1816e 100644
--- a/api/src/chat/services/message.service.ts
+++ b/api/src/chat/services/message.service.ts
@@ -29,11 +29,16 @@ import { SocketResponse } from '@/websocket/utils/socket-response';
 import { WebsocketGateway } from '@/websocket/websocket.gateway';
 
 import { MessageRepository } from '../repositories/message.repository';
+import { MessageFull, MessagePopulate } from '../schemas/message.schema';
 import { Subscriber } from '../schemas/subscriber.schema';
 import { AnyMessage } from '../schemas/types/message';
 
 @Injectable()
-export class MessageService extends BaseService<AnyMessage> {
+export class MessageService extends BaseService<
+  AnyMessage,
+  MessagePopulate,
+  MessageFull
+> {
   private readonly logger: LoggerService;
 
   private readonly gateway: WebsocketGateway;
diff --git a/api/src/chat/services/subscriber.service.ts b/api/src/chat/services/subscriber.service.ts
index f0392e52..259d86e1 100644
--- a/api/src/chat/services/subscriber.service.ts
+++ b/api/src/chat/services/subscriber.service.ts
@@ -35,10 +35,18 @@ import { WebsocketGateway } from '@/websocket/websocket.gateway';
 
 import { SubscriberUpdateDto } from '../dto/subscriber.dto';
 import { SubscriberRepository } from '../repositories/subscriber.repository';
-import { Subscriber } from '../schemas/subscriber.schema';
+import {
+  Subscriber,
+  SubscriberFull,
+  SubscriberPopulate,
+} from '../schemas/subscriber.schema';
 
 @Injectable()
-export class SubscriberService extends BaseService<Subscriber> {
+export class SubscriberService extends BaseService<
+  Subscriber,
+  SubscriberPopulate,
+  SubscriberFull
+> {
   private readonly gateway: WebsocketGateway;
 
   constructor(
diff --git a/api/src/cms/controllers/content.controller.ts b/api/src/cms/controllers/content.controller.ts
index 85e86111..4da39525 100644
--- a/api/src/cms/controllers/content.controller.ts
+++ b/api/src/cms/controllers/content.controller.ts
@@ -13,15 +13,15 @@ import path from 'path';
 import {
   Body,
   Controller,
-  Param,
-  Post,
-  Get,
   Delete,
+  Get,
   HttpCode,
-  UseInterceptors,
-  Patch,
   NotFoundException,
+  Param,
+  Patch,
+  Post,
   Query,
+  UseInterceptors,
 } from '@nestjs/common';
 import { BadRequestException } from '@nestjs/common/exceptions';
 import { CsrfCheck } from '@tekuconcept/nestjs-csrf';
@@ -43,12 +43,22 @@ import { ContentService } from './../services/content.service';
 import { ContentCreateDto } from '../dto/content.dto';
 import { ContentTransformInterceptor } from '../interceptors/content.interceptor';
 import { ContentType } from '../schemas/content-type.schema';
-import { Content, ContentStub } from '../schemas/content.schema';
+import {
+  Content,
+  ContentFull,
+  ContentPopulate,
+  ContentStub,
+} from '../schemas/content.schema';
 import { preprocessDynamicFields } from '../utilities';
 
 @UseInterceptors(ContentTransformInterceptor, CsrfInterceptor)
 @Controller('content')
-export class ContentController extends BaseController<Content, ContentStub> {
+export class ContentController extends BaseController<
+  Content,
+  ContentStub,
+  ContentPopulate,
+  ContentFull
+> {
   constructor(
     private readonly contentService: ContentService,
     private readonly contentTypeService: ContentTypeService,
@@ -206,7 +216,7 @@ export class ContentController extends BaseController<Content, ContentStub> {
     )
     filters: TFilterQuery<Content>,
   ) {
-    return this.canPopulate(populate, ['entity'])
+    return this.canPopulate(populate)
       ? await this.contentService.findPageAndPopulate(filters, pageQuery)
       : await this.contentService.findPage(filters, pageQuery);
   }
@@ -241,7 +251,7 @@ export class ContentController extends BaseController<Content, ContentStub> {
     @Param('id') id: string,
     @Query(PopulatePipe) populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['entity'])
+    const doc = this.canPopulate(populate)
       ? await this.contentService.findOneAndPopulate(id)
       : await this.contentService.findOne(id);
 
diff --git a/api/src/cms/controllers/menu.controller.ts b/api/src/cms/controllers/menu.controller.ts
index 5bbe3c46..2d42725f 100644
--- a/api/src/cms/controllers/menu.controller.ts
+++ b/api/src/cms/controllers/menu.controller.ts
@@ -31,12 +31,17 @@ import { PageQueryPipe } from '@/utils/pagination/pagination-query.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { MenuCreateDto, MenuQueryDto } from '../dto/menu.dto';
-import { Menu, MenuStub } from '../schemas/menu.schema';
+import { Menu, MenuFull, MenuPopulate, MenuStub } from '../schemas/menu.schema';
 import { MenuService } from '../services/menu.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('menu')
-export class MenuController extends BaseController<Menu, MenuStub> {
+export class MenuController extends BaseController<
+  Menu,
+  MenuStub,
+  MenuPopulate,
+  MenuFull
+> {
   constructor(
     private readonly menuService: MenuService,
     private readonly logger: LoggerService,
diff --git a/api/src/cms/repositories/content-type.repository.ts b/api/src/cms/repositories/content-type.repository.ts
index 757c34df..b3ecf036 100644
--- a/api/src/cms/repositories/content-type.repository.ts
+++ b/api/src/cms/repositories/content-type.repository.ts
@@ -12,7 +12,6 @@ import { InjectModel } from '@nestjs/mongoose';
 import { Document, Model, Query, TFilterQuery } from 'mongoose';
 
 import { BlockService } from '@/chat/services/block.service';
-import { LoggerService } from '@/logger/logger.service';
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
 
 import { ContentType } from '../schemas/content-type.schema';
@@ -24,11 +23,8 @@ export class ContentTypeRepository extends BaseRepository<ContentType> {
     @InjectModel(ContentType.name) readonly model: Model<ContentType>,
     @InjectModel(Content.name) private readonly contentModel: Model<Content>,
     @Optional() private readonly blockService?: BlockService,
-    @Optional() private readonly logger?: LoggerService,
   ) {
     super(model, ContentType);
-    this.logger = logger;
-    this.blockService = blockService;
   }
 
   /**
diff --git a/api/src/cms/repositories/content.repository.ts b/api/src/cms/repositories/content.repository.ts
index 3f7dfe9b..2ed034e3 100644
--- a/api/src/cms/repositories/content.repository.ts
+++ b/api/src/cms/repositories/content.repository.ts
@@ -10,53 +10,32 @@
 import { Injectable } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
 import {
-  TFilterQuery,
-  Model,
   Document,
+  HydratedDocument,
+  Model,
   Query,
+  TFilterQuery,
   UpdateQuery,
   UpdateWithAggregationPipeline,
-  HydratedDocument,
 } from 'mongoose';
 
 import { BaseRepository } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
-import { Content, ContentFull } from '../schemas/content.schema';
+import {
+  Content,
+  CONTENT_POPULATE,
+  ContentFull,
+  ContentPopulate,
+} from '../schemas/content.schema';
 
 @Injectable()
-export class ContentRepository extends BaseRepository<Content, 'entity'> {
+export class ContentRepository extends BaseRepository<
+  Content,
+  ContentPopulate,
+  ContentFull
+> {
   constructor(@InjectModel(Content.name) readonly model: Model<Content>) {
-    super(model, Content);
-  }
-
-  /**
-   * Retrieves a paginated list of content documents based on the provided filter
-   * and pagination query, and populates the `entity` field.
-   *
-   * @param filter - A filter query for the content documents.
-   * @param pageQuery - Pagination and sorting options for the query.
-   *
-   * @returns A promise that resolves to an array of fully populated `ContentFull` documents.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<Content>,
-    pageQuery: PageQueryDto<Content>,
-  ): Promise<ContentFull[]> {
-    const query = this.findPageQuery(filter, pageQuery).populate('entity');
-    return await this.execute(query, ContentFull);
-  }
-
-  /**
-   * Finds a single content document by its ID and populates the `entity` field.
-   *
-   * @param id - The ID of the content document to retrieve.
-   *
-   * @returns A promise that resolves to the populated `ContentFull` document.
-   */
-  async findOneAndPopulate(id: string): Promise<ContentFull> {
-    const query = this.findOneQuery(id).populate('entity');
-    return await this.executeOne(query, ContentFull);
+    super(model, Content, CONTENT_POPULATE, ContentFull);
   }
 
   /**
diff --git a/api/src/cms/repositories/menu.repository.ts b/api/src/cms/repositories/menu.repository.ts
index 9bf45d25..4b7c7666 100644
--- a/api/src/cms/repositories/menu.repository.ts
+++ b/api/src/cms/repositories/menu.repository.ts
@@ -14,16 +14,26 @@ import { Document, Model, Query } from 'mongoose';
 
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
 
-import { Menu, MenuDocument, MenuFull } from '../schemas/menu.schema';
+import {
+  Menu,
+  MENU_POPULATE,
+  MenuDocument,
+  MenuFull,
+  MenuPopulate,
+} from '../schemas/menu.schema';
 import { MenuType } from '../schemas/types/menu';
 
 @Injectable()
-export class MenuRepository extends BaseRepository<Menu, 'parent'> {
+export class MenuRepository extends BaseRepository<
+  Menu,
+  MenuPopulate,
+  MenuFull
+> {
   constructor(
     @InjectModel(Menu.name) readonly model: Model<Menu>,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, Menu);
+    super(model, Menu, MENU_POPULATE, MenuFull);
   }
 
   /**
@@ -107,16 +117,4 @@ export class MenuRepository extends BaseRepository<Menu, 'parent'> {
   ): Promise<void> {
     this.eventEmitter.emit('hook:menu:delete', result);
   }
-
-  /**
-   * Finds a `Menu` document by its ID and populates the `parent` field.
-   *
-   * @param id - The ID of the `Menu` document to be found and populated.
-   *
-   * @returns A promise that resolves to the populated `MenuFull` document.
-   */
-  async findOneAndPopulate(id: string): Promise<MenuFull> {
-    const query = this.findOneQuery(id).populate('parent');
-    return await this.executeOne(query, MenuFull);
-  }
 }
diff --git a/api/src/cms/schemas/content.schema.ts b/api/src/cms/schemas/content.schema.ts
index 29198cb8..7591a5c6 100644
--- a/api/src/cms/schemas/content.schema.ts
+++ b/api/src/cms/schemas/content.schema.ts
@@ -14,6 +14,7 @@ import mongoose, { Document } from 'mongoose';
 import { config } from '@/config';
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { ContentType } from './content-type.schema';
 
@@ -104,3 +105,7 @@ export const ContentModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default ContentModel.schema;
+
+export type ContentPopulate = keyof TFilterPopulateFields<Content, ContentStub>;
+
+export const CONTENT_POPULATE: ContentPopulate[] = ['entity'];
diff --git a/api/src/cms/schemas/menu.schema.ts b/api/src/cms/schemas/menu.schema.ts
index 5c094910..6324eb40 100644
--- a/api/src/cms/schemas/menu.schema.ts
+++ b/api/src/cms/schemas/menu.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { MenuType } from './types/menu';
 
@@ -78,3 +79,7 @@ export const MenuModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default MenuModel.schema;
+
+export type MenuPopulate = keyof TFilterPopulateFields<Menu, MenuStub>;
+
+export const MENU_POPULATE: MenuPopulate[] = ['parent'];
diff --git a/api/src/cms/services/content.service.ts b/api/src/cms/services/content.service.ts
index 8c1633a4..858154d8 100644
--- a/api/src/cms/services/content.service.ts
+++ b/api/src/cms/services/content.service.ts
@@ -17,13 +17,20 @@ import { StdOutgoingListMessage } from '@/chat/schemas/types/message';
 import { ContentOptions } from '@/chat/schemas/types/options';
 import { LoggerService } from '@/logger/logger.service';
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { ContentRepository } from '../repositories/content.repository';
-import { Content } from '../schemas/content.schema';
+import {
+  Content,
+  ContentFull,
+  ContentPopulate,
+} from '../schemas/content.schema';
 
 @Injectable()
-export class ContentService extends BaseService<Content> {
+export class ContentService extends BaseService<
+  Content,
+  ContentPopulate,
+  ContentFull
+> {
   constructor(
     readonly repository: ContentRepository,
     private readonly attachmentService: AttachmentService,
@@ -32,33 +39,6 @@ export class ContentService extends BaseService<Content> {
     super(repository);
   }
 
-  /**
-   * Finds a content item by its ID and populates its related fields.
-   *
-   * @param id - The ID of the content to retrieve.
-   *
-   * @return The populated content entity.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
-  /**
-   * Finds a page of content items based on filters and pagination options,
-   * and populates their related fields.
-   *
-   * @param filters - The query filters to apply.
-   * @param pageQuery - The pagination and sorting options.
-   *
-   * @return A list of populated content entities.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<Content>,
-    pageQuery: PageQueryDto<Content>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
-
   /**
    * Performs a text search on the content repository.
    *
diff --git a/api/src/cms/services/menu.service.ts b/api/src/cms/services/menu.service.ts
index 93d863ce..0440a7e5 100644
--- a/api/src/cms/services/menu.service.ts
+++ b/api/src/cms/services/menu.service.ts
@@ -17,24 +17,22 @@ import {
 import { OnEvent } from '@nestjs/event-emitter';
 import { Cache } from 'cache-manager';
 
-import { LoggerService } from '@/logger/logger.service';
 import { MENU_CACHE_KEY } from '@/utils/constants/cache';
 import { Cacheable } from '@/utils/decorators/cacheable.decorator';
 import { BaseService } from '@/utils/generics/base-service';
 
 import { MenuCreateDto } from '../dto/menu.dto';
 import { MenuRepository } from '../repositories/menu.repository';
-import { Menu } from '../schemas/menu.schema';
+import { Menu, MenuFull, MenuPopulate } from '../schemas/menu.schema';
 import { AnyMenu, MenuTree, MenuType } from '../schemas/types/menu';
 
 @Injectable()
-export class MenuService extends BaseService<Menu> {
+export class MenuService extends BaseService<Menu, MenuPopulate, MenuFull> {
   private RootSymbol: symbol = Symbol('RootMenu');
 
   constructor(
     readonly repository: MenuRepository,
     @Inject(CACHE_MANAGER) private readonly cacheManager: Cache,
-    private readonly logger: LoggerService,
   ) {
     super(repository);
   }
diff --git a/api/src/nlp/controllers/nlp-entity.controller.ts b/api/src/nlp/controllers/nlp-entity.controller.ts
index 3ac5b09c..0e18e11f 100644
--- a/api/src/nlp/controllers/nlp-entity.controller.ts
+++ b/api/src/nlp/controllers/nlp-entity.controller.ts
@@ -8,19 +8,19 @@
  */
 
 import {
-  Controller,
-  Get,
-  Post,
   Body,
-  Patch,
+  Controller,
   Delete,
-  Param,
-  Query,
+  Get,
   HttpCode,
-  NotFoundException,
-  UseInterceptors,
-  MethodNotAllowedException,
   InternalServerErrorException,
+  MethodNotAllowedException,
+  NotFoundException,
+  Param,
+  Patch,
+  Post,
+  Query,
+  UseInterceptors,
 } from '@nestjs/common';
 import { CsrfCheck } from '@tekuconcept/nestjs-csrf';
 import { TFilterQuery } from 'mongoose';
@@ -34,14 +34,21 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { NlpEntityCreateDto } from '../dto/nlp-entity.dto';
-import { NlpEntity, NlpEntityStub } from '../schemas/nlp-entity.schema';
+import {
+  NlpEntity,
+  NlpEntityFull,
+  NlpEntityPopulate,
+  NlpEntityStub,
+} from '../schemas/nlp-entity.schema';
 import { NlpEntityService } from '../services/nlp-entity.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('nlpentity')
 export class NlpEntityController extends BaseController<
   NlpEntity,
-  NlpEntityStub
+  NlpEntityStub,
+  NlpEntityPopulate,
+  NlpEntityFull
 > {
   constructor(
     private readonly nlpEntityService: NlpEntityService,
@@ -99,7 +106,7 @@ export class NlpEntityController extends BaseController<
     @Param('id') id: string,
     @Query(PopulatePipe) populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['values'])
+    const doc = this.canPopulate(populate)
       ? await this.nlpEntityService.findOneAndPopulate(id)
       : await this.nlpEntityService.findOne(id);
     if (!doc) {
@@ -127,7 +134,7 @@ export class NlpEntityController extends BaseController<
     @Query(new SearchFilterPipe<NlpEntity>({ allowedFields: ['name', 'doc'] }))
     filters: TFilterQuery<NlpEntity>,
   ) {
-    return this.canPopulate(populate, ['values'])
+    return this.canPopulate(populate)
       ? await this.nlpEntityService.findPageAndPopulate(filters, pageQuery)
       : await this.nlpEntityService.findPage(filters, pageQuery);
   }
diff --git a/api/src/nlp/controllers/nlp-sample.controller.ts b/api/src/nlp/controllers/nlp-sample.controller.ts
index 98591318..817718ec 100644
--- a/api/src/nlp/controllers/nlp-sample.controller.ts
+++ b/api/src/nlp/controllers/nlp-sample.controller.ts
@@ -46,6 +46,7 @@ import { NlpSampleCreateDto, NlpSampleDto } from '../dto/nlp-sample.dto';
 import {
   NlpSample,
   NlpSampleFull,
+  NlpSamplePopulate,
   NlpSampleStub,
 } from '../schemas/nlp-sample.schema';
 import { NlpSampleEntityValue, NlpSampleState } from '../schemas/types';
@@ -58,7 +59,9 @@ import { NlpService } from '../services/nlp.service';
 @Controller('nlpsample')
 export class NlpSampleController extends BaseController<
   NlpSample,
-  NlpSampleStub
+  NlpSampleStub,
+  NlpSamplePopulate,
+  NlpSampleFull
 > {
   constructor(
     private readonly nlpSampleService: NlpSampleService,
@@ -217,7 +220,7 @@ export class NlpSampleController extends BaseController<
     @Param('id') id: string,
     @Query(PopulatePipe) populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['entities'])
+    const doc = this.canPopulate(populate)
       ? await this.nlpSampleService.findOneAndPopulate(id)
       : await this.nlpSampleService.findOne(id);
     if (!doc) {
@@ -243,7 +246,7 @@ export class NlpSampleController extends BaseController<
     @Query(new SearchFilterPipe<NlpSample>({ allowedFields: ['text', 'type'] }))
     filters: TFilterQuery<NlpSample>,
   ) {
-    return this.canPopulate(populate, ['entities'])
+    return this.canPopulate(populate)
       ? await this.nlpSampleService.findPageAndPopulate(filters, pageQuery)
       : await this.nlpSampleService.findPage(filters, pageQuery);
   }
diff --git a/api/src/nlp/controllers/nlp-value.controller.ts b/api/src/nlp/controllers/nlp-value.controller.ts
index ade17301..561c0567 100644
--- a/api/src/nlp/controllers/nlp-value.controller.ts
+++ b/api/src/nlp/controllers/nlp-value.controller.ts
@@ -32,13 +32,23 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { NlpValueCreateDto, NlpValueUpdateDto } from '../dto/nlp-value.dto';
-import { NlpValue, NlpValueStub } from '../schemas/nlp-value.schema';
+import {
+  NlpValue,
+  NlpValueFull,
+  NlpValuePopulate,
+  NlpValueStub,
+} from '../schemas/nlp-value.schema';
 import { NlpEntityService } from '../services/nlp-entity.service';
 import { NlpValueService } from '../services/nlp-value.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('nlpvalue')
-export class NlpValueController extends BaseController<NlpValue, NlpValueStub> {
+export class NlpValueController extends BaseController<
+  NlpValue,
+  NlpValueStub,
+  NlpValuePopulate,
+  NlpValueFull
+> {
   constructor(
     private readonly nlpValueService: NlpValueService,
     private readonly nlpEntityService: NlpEntityService,
@@ -103,7 +113,7 @@ export class NlpValueController extends BaseController<NlpValue, NlpValueStub> {
     @Param('id') id: string,
     @Query(PopulatePipe) populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['entity'])
+    const doc = this.canPopulate(populate)
       ? await this.nlpValueService.findOneAndPopulate(id)
       : await this.nlpValueService.findOne(id);
     if (!doc) {
@@ -135,7 +145,7 @@ export class NlpValueController extends BaseController<NlpValue, NlpValueStub> {
     )
     filters: TFilterQuery<NlpValue>,
   ) {
-    return this.canPopulate(populate, ['entity'])
+    return this.canPopulate(populate)
       ? await this.nlpValueService.findPageAndPopulate(filters, pageQuery)
       : await this.nlpValueService.findPage(filters, pageQuery);
   }
diff --git a/api/src/nlp/repositories/nlp-entity.repository.ts b/api/src/nlp/repositories/nlp-entity.repository.ts
index 4fac32b9..c31d52c2 100644
--- a/api/src/nlp/repositories/nlp-entity.repository.ts
+++ b/api/src/nlp/repositories/nlp-entity.repository.ts
@@ -13,21 +13,29 @@ import { InjectModel } from '@nestjs/mongoose';
 import { Document, Model, Query, TFilterQuery, Types } from 'mongoose';
 
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpSampleEntityRepository } from './nlp-sample-entity.repository';
 import { NlpValueRepository } from './nlp-value.repository';
-import { NlpEntity, NlpEntityFull } from '../schemas/nlp-entity.schema';
+import {
+  NLP_ENTITY_POPULATE,
+  NlpEntity,
+  NlpEntityFull,
+  NlpEntityPopulate,
+} from '../schemas/nlp-entity.schema';
 
 @Injectable()
-export class NlpEntityRepository extends BaseRepository<NlpEntity, 'values'> {
+export class NlpEntityRepository extends BaseRepository<
+  NlpEntity,
+  NlpEntityPopulate,
+  NlpEntityFull
+> {
   constructor(
     @InjectModel(NlpEntity.name) readonly model: Model<NlpEntity>,
     private readonly nlpValueRepository: NlpValueRepository,
     private readonly nlpSampleEntityRepository: NlpSampleEntityRepository,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, NlpEntity);
+    super(model, NlpEntity, NLP_ENTITY_POPULATE, NlpEntityFull);
   }
 
   /**
@@ -106,43 +114,4 @@ export class NlpEntityRepository extends BaseRepository<NlpEntity, 'values'> {
       throw new Error('Attempted to delete NLP entity using unknown criteria');
     }
   }
-
-  /**
-   * Retrieves all NLP entities and populates related `values`.
-   *
-   * @returns Promise containing an array of fully populated NLP entities.
-   */
-  async findAllAndPopulate() {
-    const query = this.findAllQuery().populate(['values']);
-    return await this.execute(query, NlpEntityFull);
-  }
-
-  /**
-   * Retrieves a paginated list of NLP entities based on filter criteria,
-   * and populates related `values`.
-   *
-   * @param filter Filter criteria for NLP entities.
-   * @param pageQuery Pagination query.
-   *
-   * @returns Promise containing the paginated result of fully populated NLP entities.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<NlpEntity>,
-    pageQuery: PageQueryDto<NlpEntity>,
-  ) {
-    const query = this.findPageQuery(filter, pageQuery).populate(['values']);
-    return await this.execute(query, NlpEntityFull);
-  }
-
-  /**
-   * Retrieves a single NLP entity by its ID and populates related `values`.
-   *
-   * @param id The ID of the NLP entity.
-   *
-   * @returns Promise containing the fully populated NLP entity.
-   */
-  async findOneAndPopulate(id: string) {
-    const query = this.findOneQuery(id).populate(['values']);
-    return await this.executeOne(query, NlpEntityFull);
-  }
 }
diff --git a/api/src/nlp/repositories/nlp-sample-entity.repository.ts b/api/src/nlp/repositories/nlp-sample-entity.repository.ts
index f222a80a..a1ee2ca4 100644
--- a/api/src/nlp/repositories/nlp-sample-entity.repository.ts
+++ b/api/src/nlp/repositories/nlp-sample-entity.repository.ts
@@ -9,55 +9,31 @@
 
 import { Injectable } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
-import { TFilterQuery, Model } from 'mongoose';
+import { Model } from 'mongoose';
 
 import { BaseRepository } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import {
+  NLP_SAMPLE_ENTITY_POPULATE,
   NlpSampleEntity,
   NlpSampleEntityFull,
+  NlpSampleEntityPopulate,
 } from '../schemas/nlp-sample-entity.schema';
 
 @Injectable()
 export class NlpSampleEntityRepository extends BaseRepository<
   NlpSampleEntity,
-  'entity' | 'value' | 'sample'
+  NlpSampleEntityPopulate,
+  NlpSampleEntityFull
 > {
   constructor(
     @InjectModel(NlpSampleEntity.name) readonly model: Model<NlpSampleEntity>,
   ) {
-    super(model, NlpSampleEntity);
-  }
-
-  /**
-   * Finds a paginated set of `NlpSampleEntity` documents based on the provided filter
-   * and page query. Also populates related fields such as `entity`, `value`, and `sample`.
-   *
-   * @param filter - The query filter for retrieving documents.
-   * @param pageQuery - The pagination options.
-   * @returns The paginated results with populated fields.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<NlpSampleEntity>,
-    pageQuery: PageQueryDto<NlpSampleEntity>,
-  ) {
-    const query = this.findPageQuery(filter, pageQuery).populate([
-      'entity',
-      'value',
-      'sample',
-    ]);
-    return await this.execute(query, NlpSampleEntityFull);
-  }
-
-  /**
-   * Finds a single `NlpSampleEntity` document by ID and populates the related fields `entity`, `value`, and `sample`.
-   *
-   * @param id - The ID of the document to retrieve.
-   * @returns The document with populated fields.
-   */
-  async findOneAndPopulate(id: string) {
-    const query = this.findOneQuery(id).populate(['entity', 'value', 'sample']);
-    return await this.executeOne(query, NlpSampleEntityFull);
+    super(
+      model,
+      NlpSampleEntity,
+      NLP_SAMPLE_ENTITY_POPULATE,
+      NlpSampleEntityFull,
+    );
   }
 }
diff --git a/api/src/nlp/repositories/nlp-sample.repository.ts b/api/src/nlp/repositories/nlp-sample.repository.ts
index bcd899ce..30fbe7a6 100644
--- a/api/src/nlp/repositories/nlp-sample.repository.ts
+++ b/api/src/nlp/repositories/nlp-sample.repository.ts
@@ -12,18 +12,26 @@ import { InjectModel } from '@nestjs/mongoose';
 import { Document, Model, Query, TFilterQuery } from 'mongoose';
 
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpSampleEntityRepository } from './nlp-sample-entity.repository';
-import { NlpSample, NlpSampleFull } from '../schemas/nlp-sample.schema';
+import {
+  NLP_SAMPLE_POPULATE,
+  NlpSample,
+  NlpSampleFull,
+  NlpSamplePopulate,
+} from '../schemas/nlp-sample.schema';
 
 @Injectable()
-export class NlpSampleRepository extends BaseRepository<NlpSample, 'entities'> {
+export class NlpSampleRepository extends BaseRepository<
+  NlpSample,
+  NlpSamplePopulate,
+  NlpSampleFull
+> {
   constructor(
     @InjectModel(NlpSample.name) readonly model: Model<NlpSample>,
     private readonly nlpSampleEntityRepository: NlpSampleEntityRepository,
   ) {
-    super(model, NlpSample);
+    super(model, NlpSample, NLP_SAMPLE_POPULATE, NlpSampleFull);
   }
 
   /**
@@ -52,56 +60,4 @@ export class NlpSampleRepository extends BaseRepository<NlpSample, 'entities'> {
       );
     }
   }
-
-  /**
-   * Retrieves a paginated list of NLP samples and populates the related entities.
-   *
-   * @param filter Query filter used to retrieve NLP samples.
-   * @param pageQuery Pagination details for the query.
-   *
-   * @returns A promise that resolves to a paginated list of `NlpSampleFull` objects.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<NlpSample>,
-    pageQuery: PageQueryDto<NlpSample>,
-  ): Promise<NlpSampleFull[]> {
-    const query = this.findPageQuery(filter, pageQuery).populate(['entities']);
-    return await this.execute(query, NlpSampleFull);
-  }
-
-  /**
-   * Finds all NLP samples that match the filter and populates related entities.
-   *
-   * @param filter Query filter used to retrieve NLP samples.
-   *
-   * @returns A promise that resolves to a list of `NlpSampleFull` objects.
-   */
-  async findAndPopulate(
-    filter: TFilterQuery<NlpSample>,
-  ): Promise<NlpSampleFull[]> {
-    const query = this.findQuery(filter).populate(['entities']);
-    return await this.execute(query, NlpSampleFull);
-  }
-
-  /**
-   * Finds an NLP sample by its ID and populates related entities.
-   *
-   * @param id The ID of the NLP sample to retrieve.
-   *
-   * @returns A promise that resolves to the `NlpSampleFull` object.
-   */
-  async findOneAndPopulate(id: string): Promise<NlpSampleFull> {
-    const query = this.findOneQuery(id).populate(['entities']);
-    return await this.executeOne(query, NlpSampleFull);
-  }
-
-  /**
-   * Retrieves all NLP samples and populates related entities.
-   *
-   * @returns A promise that resolves to a list of all `NlpSampleFull` objects.
-   */
-  async findAllAndPopulate() {
-    const query = this.findAllQuery().populate(['entities']);
-    return await this.execute(query, NlpSampleFull);
-  }
 }
diff --git a/api/src/nlp/repositories/nlp-value.repository.ts b/api/src/nlp/repositories/nlp-value.repository.ts
index e5d9b6e7..ed67848f 100644
--- a/api/src/nlp/repositories/nlp-value.repository.ts
+++ b/api/src/nlp/repositories/nlp-value.repository.ts
@@ -13,23 +13,28 @@ import { InjectModel } from '@nestjs/mongoose';
 import { Document, Model, Query, TFilterQuery } from 'mongoose';
 
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpSampleEntityRepository } from './nlp-sample-entity.repository';
 import {
+  NLP_VALUE_POPULATE,
   NlpValue,
   NlpValueDocument,
   NlpValueFull,
+  NlpValuePopulate,
 } from '../schemas/nlp-value.schema';
 
 @Injectable()
-export class NlpValueRepository extends BaseRepository<NlpValue, 'entity'> {
+export class NlpValueRepository extends BaseRepository<
+  NlpValue,
+  NlpValuePopulate,
+  NlpValueFull
+> {
   constructor(
     @InjectModel(NlpValue.name) readonly model: Model<NlpValue>,
     private readonly nlpSampleEntityRepository: NlpSampleEntityRepository,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, NlpValue);
+    super(model, NlpValue, NLP_VALUE_POPULATE, NlpValueFull);
   }
 
   /**
@@ -100,33 +105,4 @@ export class NlpValueRepository extends BaseRepository<NlpValue, 'entity'> {
       throw new Error('Attempted to delete a NLP value using unknown criteria');
     }
   }
-
-  /**
-   * Finds and paginates NLP values based on the provided filter and page query,
-   * populating related entities.
-   *
-   * @param filter - The filter query used to search for NLP values.
-   * @param pageQuery - The pagination query details.
-   *
-   * @returns A list of populated NLP values for the requested page.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<NlpValue>,
-    pageQuery: PageQueryDto<NlpValue>,
-  ): Promise<NlpValueFull[]> {
-    const query = this.findPageQuery(filter, pageQuery).populate(['entity']);
-    return await this.execute(query, NlpValueFull);
-  }
-
-  /**
-   * Finds and populates a single NLP value by its ID.
-   *
-   * @param id - The ID of the NLP value to find.
-   *
-   * @returns The populated NLP value document.
-   */
-  async findOneAndPopulate(id: string): Promise<NlpValueFull> {
-    const query = this.findOneQuery(id).populate(['entity']);
-    return await this.executeOne(query, NlpValueFull);
-  }
 }
diff --git a/api/src/nlp/schemas/nlp-entity.schema.ts b/api/src/nlp/schemas/nlp-entity.schema.ts
index f34eb4c5..2e81d9dd 100644
--- a/api/src/nlp/schemas/nlp-entity.schema.ts
+++ b/api/src/nlp/schemas/nlp-entity.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { NlpValue } from './nlp-value.schema';
 import { NlpEntityMap } from './types';
@@ -95,3 +96,10 @@ NlpEntityModel.schema.virtual('values', {
 });
 
 export default NlpEntityModel.schema;
+
+export type NlpEntityPopulate = keyof TFilterPopulateFields<
+  NlpEntity,
+  NlpEntityStub
+>;
+
+export const NLP_ENTITY_POPULATE: NlpEntityPopulate[] = ['values'];
diff --git a/api/src/nlp/schemas/nlp-sample-entity.schema.ts b/api/src/nlp/schemas/nlp-sample-entity.schema.ts
index f2c460f9..25d07588 100644
--- a/api/src/nlp/schemas/nlp-sample-entity.schema.ts
+++ b/api/src/nlp/schemas/nlp-sample-entity.schema.ts
@@ -12,6 +12,7 @@ import { Transform, Type } from 'class-transformer';
 import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { NlpEntity } from './nlp-entity.schema';
 import { NlpSample } from './nlp-sample.schema';
@@ -106,3 +107,14 @@ export const NlpSampleEntityModel: ModelDefinition = {
 };
 
 export default NlpSampleEntityModel.schema;
+
+export type NlpSampleEntityPopulate = keyof TFilterPopulateFields<
+  NlpSampleEntity,
+  NlpSampleEntityStub
+>;
+
+export const NLP_SAMPLE_ENTITY_POPULATE: NlpSampleEntityPopulate[] = [
+  'entity',
+  'value',
+  'sample',
+];
diff --git a/api/src/nlp/schemas/nlp-sample.schema.ts b/api/src/nlp/schemas/nlp-sample.schema.ts
index 15468a87..cbf4b00d 100644
--- a/api/src/nlp/schemas/nlp-sample.schema.ts
+++ b/api/src/nlp/schemas/nlp-sample.schema.ts
@@ -7,12 +7,13 @@
  * 3. SaaS Restriction: This software, or any derivative of it, may not be used to offer a competing product or service (SaaS) without prior written consent from Hexastack. Offering the software as a service or using it in a commercial cloud environment without express permission is strictly prohibited.
  */
 
-import { Prop, Schema, SchemaFactory, ModelDefinition } from '@nestjs/mongoose';
+import { ModelDefinition, Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
 import { Exclude, Type } from 'class-transformer';
 import { THydratedDocument } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { NlpSampleEntity } from './nlp-sample-entity.schema';
 import { NlpSampleState } from './types';
@@ -68,3 +69,10 @@ NlpSampleModel.schema.virtual('entities', {
 });
 
 export default NlpSampleModel.schema;
+
+export type NlpSamplePopulate = keyof TFilterPopulateFields<
+  NlpSample,
+  NlpSampleStub
+>;
+
+export const NLP_SAMPLE_POPULATE: NlpSamplePopulate[] = ['entities'];
diff --git a/api/src/nlp/schemas/nlp-value.schema.ts b/api/src/nlp/schemas/nlp-value.schema.ts
index 5390ec4e..d1a241c5 100644
--- a/api/src/nlp/schemas/nlp-value.schema.ts
+++ b/api/src/nlp/schemas/nlp-value.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { NlpEntity, NlpEntityFull } from './nlp-entity.schema';
 import { NlpValueMap } from './types';
@@ -105,3 +106,10 @@ export const NlpValueModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default NlpValueModel.schema;
+
+export type NlpValuePopulate = keyof TFilterPopulateFields<
+  NlpValue,
+  NlpValueStub
+>;
+
+export const NLP_VALUE_POPULATE: NlpValuePopulate[] = ['entity'];
diff --git a/api/src/nlp/seeds/nlp-entity.seed.ts b/api/src/nlp/seeds/nlp-entity.seed.ts
index d950581f..7b51fab5 100644
--- a/api/src/nlp/seeds/nlp-entity.seed.ts
+++ b/api/src/nlp/seeds/nlp-entity.seed.ts
@@ -12,10 +12,18 @@ import { Injectable } from '@nestjs/common';
 import { BaseSeeder } from '@/utils/generics/base-seeder';
 
 import { NlpEntityRepository } from '../repositories/nlp-entity.repository';
-import { NlpEntity } from '../schemas/nlp-entity.schema';
+import {
+  NlpEntity,
+  NlpEntityFull,
+  NlpEntityPopulate,
+} from '../schemas/nlp-entity.schema';
 
 @Injectable()
-export class NlpEntitySeeder extends BaseSeeder<NlpEntity> {
+export class NlpEntitySeeder extends BaseSeeder<
+  NlpEntity,
+  NlpEntityPopulate,
+  NlpEntityFull
+> {
   constructor(nlpEntityRepository: NlpEntityRepository) {
     super(nlpEntityRepository);
   }
diff --git a/api/src/nlp/seeds/nlp-value.seed.ts b/api/src/nlp/seeds/nlp-value.seed.ts
index 8b31cf69..5f6348cf 100644
--- a/api/src/nlp/seeds/nlp-value.seed.ts
+++ b/api/src/nlp/seeds/nlp-value.seed.ts
@@ -14,10 +14,18 @@ import { BaseSeeder } from '@/utils/generics/base-seeder';
 
 import { NlpEntityRepository } from '../repositories/nlp-entity.repository';
 import { NlpValueRepository } from '../repositories/nlp-value.repository';
-import { NlpValue } from '../schemas/nlp-value.schema';
+import {
+  NlpValue,
+  NlpValueFull,
+  NlpValuePopulate,
+} from '../schemas/nlp-value.schema';
 
 @Injectable()
-export class NlpValueSeeder extends BaseSeeder<NlpValue> {
+export class NlpValueSeeder extends BaseSeeder<
+  NlpValue,
+  NlpValuePopulate,
+  NlpValueFull
+> {
   constructor(
     nlpValueRepository: NlpValueRepository,
     private readonly nlpEntityRepository: NlpEntityRepository,
diff --git a/api/src/nlp/services/nlp-entity.service.ts b/api/src/nlp/services/nlp-entity.service.ts
index 68caf65a..5ea10435 100644
--- a/api/src/nlp/services/nlp-entity.service.ts
+++ b/api/src/nlp/services/nlp-entity.service.ts
@@ -8,19 +8,25 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpValueService } from './nlp-value.service';
 import { Lookup } from '../dto/nlp-entity.dto';
 import { NlpEntityRepository } from '../repositories/nlp-entity.repository';
-import { NlpEntity } from '../schemas/nlp-entity.schema';
+import {
+  NlpEntity,
+  NlpEntityFull,
+  NlpEntityPopulate,
+} from '../schemas/nlp-entity.schema';
 import { NlpSampleEntityValue } from '../schemas/types';
 
 @Injectable()
-export class NlpEntityService extends BaseService<NlpEntity> {
+export class NlpEntityService extends BaseService<
+  NlpEntity,
+  NlpEntityPopulate,
+  NlpEntityFull
+> {
   constructor(
     readonly repository: NlpEntityRepository,
     private readonly nlpValueService: NlpValueService,
@@ -39,41 +45,6 @@ export class NlpEntityService extends BaseService<NlpEntity> {
     return await this.repository.deleteOne(id);
   }
 
-  /**
-   * Finds an entity by its ID and populates related data.
-   *
-   * @param id - The ID of the entity to find.
-   *
-   * @returns A promise that resolves with the populated entity.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
-  /**
-   * Finds all entities and populates related data.
-   *
-   * @returns A promise that resolves with the populated list of entities.
-   */
-  async findAllAndPopulate() {
-    return await this.repository.findAllAndPopulate();
-  }
-
-  /**
-   * Finds entities based on the specified filters and pagination, and populates related data.
-   *
-   * @param filters - The filters to apply to the query.
-   * @param pageQuery - The pagination and sorting options for the query.
-   *
-   * @returns A promise that resolves with the populated page of entities.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<NlpEntity>,
-    pageQuery: PageQueryDto<NlpEntity>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
-
   /**
    * Stores new entities based on the sample text and sample entities.
    * Deletes all values relative to this entity before deleting the entity itself.
diff --git a/api/src/nlp/services/nlp-sample-entity.service.ts b/api/src/nlp/services/nlp-sample-entity.service.ts
index 75dc8608..a4ea5047 100644
--- a/api/src/nlp/services/nlp-sample-entity.service.ts
+++ b/api/src/nlp/services/nlp-sample-entity.service.ts
@@ -8,20 +8,26 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpEntityService } from './nlp-entity.service';
 import { NlpValueService } from './nlp-value.service';
 import { NlpSampleEntityRepository } from '../repositories/nlp-sample-entity.repository';
-import { NlpSampleEntity } from '../schemas/nlp-sample-entity.schema';
+import {
+  NlpSampleEntity,
+  NlpSampleEntityFull,
+  NlpSampleEntityPopulate,
+} from '../schemas/nlp-sample-entity.schema';
 import { NlpSample } from '../schemas/nlp-sample.schema';
 import { NlpSampleEntityValue } from '../schemas/types';
 
 @Injectable()
-export class NlpSampleEntityService extends BaseService<NlpSampleEntity> {
+export class NlpSampleEntityService extends BaseService<
+  NlpSampleEntity,
+  NlpSampleEntityPopulate,
+  NlpSampleEntityFull
+> {
   constructor(
     readonly repository: NlpSampleEntityRepository,
     private readonly nlpEntityService: NlpEntityService,
@@ -30,34 +36,6 @@ export class NlpSampleEntityService extends BaseService<NlpSampleEntity> {
     super(repository);
   }
 
-  /**
-   * Retrieves a single NLP sample entity by its ID and populates related
-   * entities for the retrieved sample.
-   *
-   * @param id The ID of the NLP sample entity to find and populate.
-   *
-   * @returns The populated NLP sample entity.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
-  /**
-   * Retrieves a paginated list of NLP sample entities based on filters, and
-   * populates related entities for each retrieved sample entity.
-   *
-   * @param filters Filters to apply when searching for the entities.
-   * @param pageQuery Query parameters for pagination.
-   *
-   * @returns A paginated list of populated NLP sample entities.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<NlpSampleEntity>,
-    pageQuery: PageQueryDto<NlpSampleEntity>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
-
   /**
    * Adds new sample entities to the corresponding training sample and returns
    * the created sample entities. It handles the storage of new entities and
diff --git a/api/src/nlp/services/nlp-sample.service.ts b/api/src/nlp/services/nlp-sample.service.ts
index ae163987..4ebb131e 100644
--- a/api/src/nlp/services/nlp-sample.service.ts
+++ b/api/src/nlp/services/nlp-sample.service.ts
@@ -8,7 +8,6 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import {
   CommonExample,
@@ -18,15 +17,22 @@ import {
   LookupTable,
 } from '@/extensions/helpers/nlp/default/types';
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpSampleRepository } from '../repositories/nlp-sample.repository';
 import { NlpEntity, NlpEntityFull } from '../schemas/nlp-entity.schema';
-import { NlpSample, NlpSampleFull } from '../schemas/nlp-sample.schema';
+import {
+  NlpSample,
+  NlpSampleFull,
+  NlpSamplePopulate,
+} from '../schemas/nlp-sample.schema';
 import { NlpValue } from '../schemas/nlp-value.schema';
 
 @Injectable()
-export class NlpSampleService extends BaseService<NlpSample> {
+export class NlpSampleService extends BaseService<
+  NlpSample,
+  NlpSamplePopulate,
+  NlpSampleFull
+> {
   constructor(readonly repository: NlpSampleRepository) {
     super(repository);
   }
@@ -42,52 +48,6 @@ export class NlpSampleService extends BaseService<NlpSample> {
     return await this.repository.deleteOne(id);
   }
 
-  /**
-   * Finds a single NLP sample by its ID and populates related data.
-   *
-   * @param id - The unique identifier of the NLP sample to find.
-   *
-   * @returns A promise resolving to the found sample with populated fields.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
-  /**
-   * Finds a page of NLP samples based on filters and populates related data.
-   *
-   * @param filters - Query filters to apply when searching for samples.
-   * @param pageQuery - Pagination and sorting options for the query.
-   *
-   * @returns A promise resolving to the paginated results with populated fields.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<NlpSample>,
-    pageQuery: PageQueryDto<NlpSample>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
-
-  /**
-   * Finds multiple NLP samples based on filters and populates related data.
-   *
-   * @param filters - Query filters to apply when searching for samples.
-   *
-   * @returns A promise resolving to the found samples with populated fields.
-   */
-  async findAndPopulate(filters: TFilterQuery<NlpSample>) {
-    return await this.repository.findAndPopulate(filters);
-  }
-
-  /**
-   * Retrieves all NLP samples and populates related data.
-   *
-   * @returns A promise resolving to all samples with populated fields.
-   */
-  async findAllAndPopulate() {
-    return await this.repository.findAllAndPopulate();
-  }
-
   /**
    * Formats a set of NLP samples into the Rasa NLU-compatible training dataset format.
    *
diff --git a/api/src/nlp/services/nlp-value.service.ts b/api/src/nlp/services/nlp-value.service.ts
index 23d8da11..0c23aef5 100644
--- a/api/src/nlp/services/nlp-value.service.ts
+++ b/api/src/nlp/services/nlp-value.service.ts
@@ -8,20 +8,26 @@
  */
 
 import { forwardRef, Inject, Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { NlpEntityService } from './nlp-entity.service';
 import { NlpValueCreateDto, NlpValueUpdateDto } from '../dto/nlp-value.dto';
 import { NlpValueRepository } from '../repositories/nlp-value.repository';
 import { NlpEntity } from '../schemas/nlp-entity.schema';
-import { NlpValue } from '../schemas/nlp-value.schema';
+import {
+  NlpValue,
+  NlpValueFull,
+  NlpValuePopulate,
+} from '../schemas/nlp-value.schema';
 import { NlpSampleEntityValue } from '../schemas/types';
 
 @Injectable()
-export class NlpValueService extends BaseService<NlpValue> {
+export class NlpValueService extends BaseService<
+  NlpValue,
+  NlpValuePopulate,
+  NlpValueFull
+> {
   constructor(
     readonly repository: NlpValueRepository,
     @Inject(forwardRef(() => NlpEntityService))
@@ -41,32 +47,6 @@ export class NlpValueService extends BaseService<NlpValue> {
     return await this.repository.deleteOne(id);
   }
 
-  /**
-   * Finds an NLP value by its ID and populates related entities.
-   *
-   * @param id The ID of the NLP value to find.
-   *
-   * @returns A promise that resolves with the populated NLP value.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
-  /**
-   * Finds a page of NLP values based on filters, and populates related entities.
-   *
-   * @param filters The filters to apply when searching for NLP values.
-   * @param pageQuery Pagination information such as page number and size.
-   *
-   * @returns A promise that resolves with a page of populated NLP values.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<NlpValue>,
-    pageQuery: PageQueryDto<NlpValue>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
-
   /**
    * Adds new NLP values or updates existing ones based on the provided training sample.
    * This method handles both the creation of new values and the addition of synonyms.
diff --git a/api/src/user/controllers/model.controller.spec.ts b/api/src/user/controllers/model.controller.spec.ts
index 73991beb..a8874fcf 100644
--- a/api/src/user/controllers/model.controller.spec.ts
+++ b/api/src/user/controllers/model.controller.spec.ts
@@ -92,10 +92,8 @@ describe('ModelController', () => {
   describe('find', () => {
     it('should find models', async () => {
       jest.spyOn(modelService, 'findAndPopulate');
-      const result = await modelController.find([], {});
-      expect(modelService.findAndPopulate).toHaveBeenCalledWith({}, [
-        'permissions',
-      ]);
+      const result = await modelController.find(['permissions'], {});
+      expect(modelService.findAndPopulate).toHaveBeenCalledWith({});
       expect(result).toEqualPayload(
         modelFixtures.map((modelFixture) => ({
           ...modelFixture,
@@ -122,9 +120,7 @@ describe('ModelController', () => {
         return acc;
       }, []);
 
-      expect(modelService.findAndPopulate).toHaveBeenCalledWith({}, [
-        'permissions',
-      ]);
+      expect(modelService.findAndPopulate).toHaveBeenCalledWith({});
       expect(result).toEqualPayload(modelsWithPermissionsAndUsers);
     });
   });
diff --git a/api/src/user/controllers/model.controller.ts b/api/src/user/controllers/model.controller.ts
index 585f317f..ba83d67d 100644
--- a/api/src/user/controllers/model.controller.ts
+++ b/api/src/user/controllers/model.controller.ts
@@ -13,11 +13,21 @@ import { TFilterQuery } from 'mongoose';
 import { BaseController } from '@/utils/generics/base-controller';
 import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 
-import { Model, ModelStub } from '../schemas/model.schema';
+import {
+  Model,
+  ModelFull,
+  ModelPopulate,
+  ModelStub,
+} from '../schemas/model.schema';
 import { ModelService } from '../services/model.service';
 
 @Controller('model')
-export class ModelController extends BaseController<Model, ModelStub> {
+export class ModelController extends BaseController<
+  Model,
+  ModelStub,
+  ModelPopulate,
+  ModelFull
+> {
   constructor(private readonly modelService: ModelService) {
     super(modelService);
   }
@@ -39,9 +49,8 @@ export class ModelController extends BaseController<Model, ModelStub> {
     populate: string[],
     filters: TFilterQuery<Model>,
   ) {
-    return await this.modelService.findAndPopulate(
-      filters,
-      this.canPopulate(populate, ['permissions']) ? populate : ['permissions'],
-    );
+    return this.canPopulate(populate)
+      ? await this.modelService.findAndPopulate(filters)
+      : await this.modelService.find(filters);
   }
 }
diff --git a/api/src/user/controllers/permission.controller.ts b/api/src/user/controllers/permission.controller.ts
index 2986c27f..f420f24b 100644
--- a/api/src/user/controllers/permission.controller.ts
+++ b/api/src/user/controllers/permission.controller.ts
@@ -29,7 +29,12 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { PermissionCreateDto } from '../dto/permission.dto';
-import { Permission, PermissionStub } from '../schemas/permission.schema';
+import {
+  Permission,
+  PermissionFull,
+  PermissionPopulate,
+  PermissionStub,
+} from '../schemas/permission.schema';
 import { ModelService } from '../services/model.service';
 import { PermissionService } from '../services/permission.service';
 import { RoleService } from '../services/role.service';
@@ -38,7 +43,9 @@ import { RoleService } from '../services/role.service';
 @Controller('permission')
 export class PermissionController extends BaseController<
   Permission,
-  PermissionStub
+  PermissionStub,
+  PermissionPopulate,
+  PermissionFull
 > {
   constructor(
     private readonly permissionService: PermissionService,
@@ -68,7 +75,7 @@ export class PermissionController extends BaseController<
     )
     filters: TFilterQuery<Permission>,
   ) {
-    return this.canPopulate(populate, ['model', 'role'])
+    return this.canPopulate(populate)
       ? await this.permissionService.findAndPopulate(filters)
       : await this.permissionService.find(filters);
   }
diff --git a/api/src/user/controllers/role.controller.ts b/api/src/user/controllers/role.controller.ts
index 5ae29196..31ae269a 100644
--- a/api/src/user/controllers/role.controller.ts
+++ b/api/src/user/controllers/role.controller.ts
@@ -32,12 +32,17 @@ import { PopulatePipe } from '@/utils/pipes/populate.pipe';
 import { SearchFilterPipe } from '@/utils/pipes/search-filter.pipe';
 
 import { RoleCreateDto, RoleUpdateDto } from '../dto/role.dto';
-import { Role, RoleStub } from '../schemas/role.schema';
+import { Role, RoleFull, RolePopulate, RoleStub } from '../schemas/role.schema';
 import { RoleService } from '../services/role.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('role')
-export class RoleController extends BaseController<Role, RoleStub> {
+export class RoleController extends BaseController<
+  Role,
+  RoleStub,
+  RolePopulate,
+  RoleFull
+> {
   constructor(
     private readonly roleService: RoleService,
     private readonly logger: LoggerService,
@@ -58,7 +63,7 @@ export class RoleController extends BaseController<Role, RoleStub> {
     @Query(new SearchFilterPipe<Role>({ allowedFields: ['name'] }))
     filters: TFilterQuery<Role>,
   ) {
-    return this.canPopulate(populate, ['permissions', 'users'])
+    return this.canPopulate(populate)
       ? await this.roleService.findPageAndPopulate(filters, pageQuery)
       : await this.roleService.findPage(filters, pageQuery);
   }
@@ -89,7 +94,7 @@ export class RoleController extends BaseController<Role, RoleStub> {
     @Query(PopulatePipe)
     populate: string[],
   ) {
-    const doc = this.canPopulate(populate, ['permissions', 'users'])
+    const doc = this.canPopulate(populate)
       ? await this.roleService.findOneAndPopulate(id)
       : await this.roleService.findOne(id);
 
diff --git a/api/src/user/controllers/user.controller.spec.ts b/api/src/user/controllers/user.controller.spec.ts
index 4be20904..399a68dd 100644
--- a/api/src/user/controllers/user.controller.spec.ts
+++ b/api/src/user/controllers/user.controller.spec.ts
@@ -148,9 +148,7 @@ describe('UserController', () => {
     it('should find one user and populate its roles', async () => {
       jest.spyOn(userService, 'findOneAndPopulate');
       const result = await userController.findOne(user.id, ['roles']);
-      expect(userService.findOneAndPopulate).toHaveBeenCalledWith(user.id, [
-        'roles',
-      ]);
+      expect(userService.findOneAndPopulate).toHaveBeenCalledWith(user.id);
       expect(result).toEqualPayload(
         {
           ...userFixtures.find(({ username }) => username === 'admin'),
@@ -166,9 +164,7 @@ describe('UserController', () => {
 
     it('should find users, and for each user populate the corresponding roles', async () => {
       jest.spyOn(userService, 'findPageAndPopulate');
-      const result = await userService.findPageAndPopulate({}, pageQuery, [
-        'roles',
-      ]);
+      const result = await userService.findPageAndPopulate({}, pageQuery);
 
       const usersWithRoles = userFixtures.reduce((acc, currUser) => {
         acc.push({
@@ -181,7 +177,6 @@ describe('UserController', () => {
       expect(userService.findPageAndPopulate).toHaveBeenCalledWith(
         {},
         pageQuery,
-        ['roles'],
       );
       expect(result).toEqualPayload(usersWithRoles, [
         ...IGNORED_FIELDS,
diff --git a/api/src/user/controllers/user.controller.ts b/api/src/user/controllers/user.controller.ts
index cf9ce6a7..14e600a4 100644
--- a/api/src/user/controllers/user.controller.ts
+++ b/api/src/user/controllers/user.controller.ts
@@ -48,7 +48,7 @@ import {
   UserResetPasswordDto,
   UserUpdateStateAndRolesDto,
 } from '../dto/user.dto';
-import { User, UserStub } from '../schemas/user.schema';
+import { User, UserFull, UserPopulate, UserStub } from '../schemas/user.schema';
 import { InvitationService } from '../services/invitation.service';
 import { PasswordResetService } from '../services/passwordReset.service';
 import { PermissionService } from '../services/permission.service';
@@ -58,7 +58,12 @@ import { ValidateAccountService } from '../services/validate-account.service';
 
 @UseInterceptors(CsrfInterceptor)
 @Controller('user')
-export class ReadOnlyUserController extends BaseController<User, UserStub> {
+export class ReadOnlyUserController extends BaseController<
+  User,
+  UserStub,
+  UserPopulate,
+  UserFull
+> {
   constructor(
     protected readonly userService: UserService,
     protected readonly roleService: RoleService,
@@ -122,7 +127,6 @@ export class ReadOnlyUserController extends BaseController<User, UserStub> {
 
     const currentUser = await this.userService.findOneAndPopulate(
       req.user.id as string,
-      ['roles'],
     );
     const currentPermissions = await this.permissionService.findAndPopulate({
       role: {
@@ -165,8 +169,8 @@ export class ReadOnlyUserController extends BaseController<User, UserStub> {
     )
     filters: TFilterQuery<User>,
   ) {
-    return this.canPopulate(populate, ['roles', 'avatar'])
-      ? await this.userService.findPageAndPopulate(filters, pageQuery, populate)
+    return this.canPopulate(populate)
+      ? await this.userService.findPageAndPopulate(filters, pageQuery)
       : await this.userService.find(filters);
   }
 
@@ -201,10 +205,9 @@ export class ReadOnlyUserController extends BaseController<User, UserStub> {
     @Query(PopulatePipe)
     populate: string[],
   ) {
-    const doc = await this.userService.findOneAndPopulate(
-      id,
-      this.canPopulate(populate, ['roles', 'avatar']) ? populate : ['roles'],
-    );
+    const doc = this.canPopulate(populate)
+      ? await this.userService.findOneAndPopulate(id)
+      : await this.userService.findOne(id);
 
     if (!doc) {
       this.logger.warn(`Unable to find User by id ${id}`);
diff --git a/api/src/user/repositories/invitation.repository.ts b/api/src/user/repositories/invitation.repository.ts
index 7ea9855b..3713f4c4 100644
--- a/api/src/user/repositories/invitation.repository.ts
+++ b/api/src/user/repositories/invitation.repository.ts
@@ -8,21 +8,26 @@
  */
 
 import { InjectModel } from '@nestjs/mongoose';
-import { TFilterQuery, Model } from 'mongoose';
+import { Model, TFilterQuery } from 'mongoose';
 
 import { BaseRepository } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import {
   Invitation,
+  INVITATION_POPULATE,
   InvitationDocument,
   InvitationFull,
+  InvitationPopulate,
 } from '../schemas/invitation.schema';
 import { hash } from '../utilities/hash';
 
-export class InvitationRepository extends BaseRepository<Invitation, 'roles'> {
+export class InvitationRepository extends BaseRepository<
+  Invitation,
+  InvitationPopulate,
+  InvitationFull
+> {
   constructor(@InjectModel(Invitation.name) readonly model: Model<Invitation>) {
-    super(model, Invitation);
+    super(model, Invitation, INVITATION_POPULATE, InvitationFull);
   }
 
   /**
@@ -52,32 +57,4 @@ export class InvitationRepository extends BaseRepository<Invitation, 'roles'> {
       : filter;
     return super.findQuery(filterWithHashedToken);
   }
-
-  /**
-   * Finds a paginated list of invitations based on the filter and page query and populates the `roles` field.
-   *
-   * @param filter - The filter object for querying invitations.
-   * @param pageQuery - The pagination query parameters.
-   *
-   * @returns A promise that resolves to a list of populated `InvitationFull` objects.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<Invitation>,
-    pageQuery: PageQueryDto<Invitation>,
-  ): Promise<InvitationFull[]> {
-    const query = this.findPageQuery(filter, pageQuery).populate('roles');
-    return this.execute(query, InvitationFull);
-  }
-
-  /**
-   * Finds a single invitation by its ID and populates the `roles` field.
-   *
-   * @param {string} id - The ID of the invitation to be retrieved.
-   *
-   * @returns {Promise<InvitationFull>} - A promise that resolves to the populated `InvitationFull` object.
-   */
-  async findOneAndPopulate(id: string): Promise<InvitationFull> {
-    const query = this.findOneQuery(id).populate('roles');
-    return this.executeOne(query, InvitationFull);
-  }
 }
diff --git a/api/src/user/repositories/model.repository.spec.ts b/api/src/user/repositories/model.repository.spec.ts
index 66d74032..d6af392e 100644
--- a/api/src/user/repositories/model.repository.spec.ts
+++ b/api/src/user/repositories/model.repository.spec.ts
@@ -23,7 +23,7 @@ import { Model as ModelType } from './../schemas/model.schema';
 import { ModelRepository } from '../repositories/model.repository';
 import { PermissionRepository } from '../repositories/permission.repository';
 import { ModelModel } from '../schemas/model.schema';
-import { PermissionModel, Permission } from '../schemas/permission.schema';
+import { Permission, PermissionModel } from '../schemas/permission.schema';
 
 describe('ModelRepository', () => {
   let modelRepository: ModelRepository;
@@ -69,7 +69,7 @@ describe('ModelRepository', () => {
       jest.spyOn(modelModel, 'find');
       const allModels = await modelRepository.findAll();
       const allPermissions = await permissionRepository.findAll();
-      const result = await modelRepository.findAndPopulate({}, ['permissions']);
+      const result = await modelRepository.findAndPopulate({});
       const modelsWithPermissions = allModels.reduce((acc, currModel) => {
         acc.push({
           ...currModel,
diff --git a/api/src/user/repositories/model.repository.ts b/api/src/user/repositories/model.repository.ts
index 054ccf4a..ef143b7f 100644
--- a/api/src/user/repositories/model.repository.ts
+++ b/api/src/user/repositories/model.repository.ts
@@ -9,21 +9,30 @@
 
 import { Injectable } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
-import { TFilterQuery, Model as MongooseModel } from 'mongoose';
+import { Model as MongooseModel } from 'mongoose';
 
 import { BaseRepository } from '@/utils/generics/base-repository';
 
-import { ModelFull, Model } from '../schemas/model.schema';
+import {
+  Model,
+  MODEL_POPULATE,
+  ModelFull,
+  ModelPopulate,
+} from '../schemas/model.schema';
 import { Permission } from '../schemas/permission.schema';
 
 @Injectable()
-export class ModelRepository extends BaseRepository<Model, 'permissions'> {
+export class ModelRepository extends BaseRepository<
+  Model,
+  ModelPopulate,
+  ModelFull
+> {
   constructor(
     @InjectModel(Model.name) readonly model: MongooseModel<Model>,
     @InjectModel(Permission.name)
     private readonly permissionModel: MongooseModel<Permission>,
   ) {
-    super(model, Model);
+    super(model, Model, MODEL_POPULATE, ModelFull);
   }
 
   /**
@@ -40,32 +49,4 @@ export class ModelRepository extends BaseRepository<Model, 'permissions'> {
     }
     return result;
   }
-
-  /**
-   * Finds `Model` documents that match the provided filter and populates specified fields.
-   *
-   * @param filter - The filter query to apply.
-   * @param populate - The fields to populate.
-   *
-   * @returns The populated `Model` documents.
-   */
-  async findAndPopulate(
-    filter: TFilterQuery<Model>,
-    populate: string[],
-  ): Promise<ModelFull[]> {
-    const query = this.findQuery(filter).populate(populate);
-    return await this.execute(query, ModelFull);
-  }
-
-  /**
-   * Finds a single `Model` document by its ID and populates its `permissions` field.
-   *
-   * @param id - The ID of the `Model` document to find.
-   *
-   * @returns The populated `Model` document.
-   */
-  async findOneAndPopulate(id: string) {
-    const query = this.findOneQuery(id).populate('permissions');
-    return await this.executeOne(query, ModelFull);
-  }
 }
diff --git a/api/src/user/repositories/permission.repository.ts b/api/src/user/repositories/permission.repository.ts
index 823d9ab8..43ecd593 100644
--- a/api/src/user/repositories/permission.repository.ts
+++ b/api/src/user/repositories/permission.repository.ts
@@ -14,18 +14,24 @@ import { Document, Model, Query, TFilterQuery, Types } from 'mongoose';
 
 import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
 
-import { Permission, PermissionFull } from '../schemas/permission.schema';
+import {
+  Permission,
+  PERMISSION_POPULATE,
+  PermissionFull,
+  PermissionPopulate,
+} from '../schemas/permission.schema';
 
 @Injectable()
 export class PermissionRepository extends BaseRepository<
   Permission,
-  'model' | 'role'
+  PermissionPopulate,
+  PermissionFull
 > {
   constructor(
     @InjectModel(Permission.name) readonly model: Model<Permission>,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, Permission);
+    super(model, Permission, PERMISSION_POPULATE, PermissionFull);
   }
 
   /**
diff --git a/api/src/user/repositories/role.repository.ts b/api/src/user/repositories/role.repository.ts
index 5eafa1a7..d4336cb8 100644
--- a/api/src/user/repositories/role.repository.ts
+++ b/api/src/user/repositories/role.repository.ts
@@ -16,12 +16,18 @@ import { BaseRepository, DeleteResult } from '@/utils/generics/base-repository';
 import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { Permission } from '../schemas/permission.schema';
-import { Role, RoleFull } from '../schemas/role.schema';
+import {
+  Role,
+  ROLE_POPULATE,
+  RoleFull,
+  RolePopulate,
+} from '../schemas/role.schema';
 
 @Injectable()
 export class RoleRepository extends BaseRepository<
   Role,
-  'permissions' | 'users'
+  RolePopulate,
+  RoleFull
 > {
   constructor(
     @InjectModel(Role.name) readonly model: Model<Role>,
@@ -29,7 +35,7 @@ export class RoleRepository extends BaseRepository<
     private readonly permissionModel: Model<Permission>,
     private readonly eventEmitter: EventEmitter2,
   ) {
-    super(model, Role);
+    super(model, Role, ROLE_POPULATE, RoleFull);
   }
 
   /**
diff --git a/api/src/user/repositories/user.repository.spec.ts b/api/src/user/repositories/user.repository.spec.ts
index 72726f25..3d00909a 100644
--- a/api/src/user/repositories/user.repository.spec.ts
+++ b/api/src/user/repositories/user.repository.spec.ts
@@ -13,6 +13,7 @@ import { MongooseModule, getModelToken } from '@nestjs/mongoose';
 import { Test, TestingModule } from '@nestjs/testing';
 import { Model } from 'mongoose';
 
+import { AttachmentModel } from '@/attachment/schemas/attachment.schema';
 import { LoggerService } from '@/logger/logger.service';
 import { IGNORED_TEST_FIELDS } from '@/utils/test/constants';
 import { installPermissionFixtures } from '@/utils/test/fixtures/permission';
@@ -53,7 +54,12 @@ describe('UserRepository', () => {
     const module: TestingModule = await Test.createTestingModule({
       imports: [
         rootMongooseTestModule(installPermissionFixtures),
-        MongooseModule.forFeature([UserModel, PermissionModel, RoleModel]),
+        MongooseModule.forFeature([
+          UserModel,
+          PermissionModel,
+          RoleModel,
+          AttachmentModel,
+        ]),
       ],
       providers: [
         LoggerService,
@@ -85,9 +91,7 @@ describe('UserRepository', () => {
   describe('findOneAndPopulate', () => {
     it('should find one user and populate its role', async () => {
       jest.spyOn(userModel, 'findById');
-      const result = await userRepository.findOneAndPopulate(user.id, [
-        'roles',
-      ]);
+      const result = await userRepository.findOneAndPopulate(user.id);
       expect(userModel.findById).toHaveBeenCalledWith(user.id);
       expect(result).toEqualPayload(
         {
@@ -106,9 +110,7 @@ describe('UserRepository', () => {
       jest.spyOn(userRepository, 'findPageAndPopulate');
       const allUsers = await userRepository.findAll();
       const allRoles = await roleRepository.findAll();
-      const result = await userRepository.findPageAndPopulate({}, pageQuery, [
-        'roles',
-      ]);
+      const result = await userRepository.findPageAndPopulate({}, pageQuery);
       const usersWithRoles = allUsers.reduce((acc, currUser) => {
         acc.push({
           ...currUser,
diff --git a/api/src/user/repositories/user.repository.ts b/api/src/user/repositories/user.repository.ts
index d5dc14db..df887b4d 100644
--- a/api/src/user/repositories/user.repository.ts
+++ b/api/src/user/repositories/user.repository.ts
@@ -10,25 +10,34 @@
 import { Injectable } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
 import {
-  TFilterQuery,
+  Document,
   Model,
   Query,
+  TFilterQuery,
   UpdateQuery,
   UpdateWithAggregationPipeline,
-  Document,
 } from 'mongoose';
 
 import { BaseRepository } from '@/utils/generics/base-repository';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { UserEditProfileDto } from '../dto/user.dto';
-import { User, UserDocument, UserFull } from '../schemas/user.schema';
+import {
+  User,
+  USER_POPULATE,
+  UserDocument,
+  UserFull,
+  UserPopulate,
+} from '../schemas/user.schema';
 import { hash } from '../utilities/bcryptjs';
 
 @Injectable()
-export class UserRepository extends BaseRepository<User, 'roles' | 'avatar'> {
+export class UserRepository extends BaseRepository<
+  User,
+  UserPopulate,
+  UserFull
+> {
   constructor(@InjectModel(User.name) readonly model: Model<User>) {
-    super(model, User);
+    super(model, User, USER_POPULATE, UserFull);
   }
 
   /**
@@ -87,35 +96,4 @@ export class UserRepository extends BaseRepository<User, 'roles' | 'avatar'> {
       });
     }
   }
-
-  /**
-   * Finds a page of user documents with population based on the given filter and page query.
-   *
-   * @param filter The filter criteria for finding users.
-   * @param pageQuery The pagination and sorting information.
-   * @param populate The fields to populate in the user documents.
-   *
-   * @returns A promise that resolves to an array of populated `UserFull` documents.
-   */
-  async findPageAndPopulate(
-    filter: TFilterQuery<User>,
-    pageQuery: PageQueryDto<User>,
-    populate: string[],
-  ): Promise<UserFull[]> {
-    const query = this.findPageQuery(filter, pageQuery).populate(populate);
-    return await this.execute(query, UserFull);
-  }
-
-  /**
-   * Finds a single user document by ID with population of related fields.
-   *
-   * @param id The ID of the user to find.
-   * @param populate The fields to populate in the user document.
-   *
-   * @returns A promise that resolves to a populated `UserFull` document.
-   */
-  async findOneAndPopulate(id: string, populate: string[]): Promise<UserFull> {
-    const query = this.findOneQuery(id).populate(populate);
-    return await this.executeOne(query, UserFull);
-  }
 }
diff --git a/api/src/user/schemas/invitation.schema.ts b/api/src/user/schemas/invitation.schema.ts
index ae25a914..2d4000d1 100644
--- a/api/src/user/schemas/invitation.schema.ts
+++ b/api/src/user/schemas/invitation.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 import { isEmail } from '@/utils/validation-rules/is-email';
 
 import { Role } from './role.schema';
@@ -70,3 +71,10 @@ export const InvitationModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default InvitationModel.schema;
+
+export type InvitationPopulate = keyof TFilterPopulateFields<
+  Invitation,
+  InvitationStub
+>;
+
+export const INVITATION_POPULATE: InvitationPopulate[] = ['roles'];
diff --git a/api/src/user/schemas/model.schema.ts b/api/src/user/schemas/model.schema.ts
index 1586c150..b1a4e453 100644
--- a/api/src/user/schemas/model.schema.ts
+++ b/api/src/user/schemas/model.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Permission } from './permission.schema';
 import { TRelation } from '../types/index.type';
@@ -72,3 +73,7 @@ ModelModel.schema.virtual('permissions', {
 });
 
 export default ModelModel.schema;
+
+export type ModelPopulate = keyof TFilterPopulateFields<Model, ModelStub>;
+
+export const MODEL_POPULATE: ModelPopulate[] = ['permissions'];
diff --git a/api/src/user/schemas/permission.schema.ts b/api/src/user/schemas/permission.schema.ts
index 8e46be39..d8cec591 100644
--- a/api/src/user/schemas/permission.schema.ts
+++ b/api/src/user/schemas/permission.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Model } from './model.schema';
 import { Role } from './role.schema';
@@ -69,3 +70,10 @@ export const PermissionModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default PermissionModel.schema;
+
+export type PermissionPopulate = keyof TFilterPopulateFields<
+  Permission,
+  PermissionStub
+>;
+
+export const PERMISSION_POPULATE: PermissionPopulate[] = ['model', 'role'];
diff --git a/api/src/user/schemas/role.schema.ts b/api/src/user/schemas/role.schema.ts
index 59a08f3e..091f0203 100644
--- a/api/src/user/schemas/role.schema.ts
+++ b/api/src/user/schemas/role.schema.ts
@@ -13,6 +13,7 @@ import { THydratedDocument } from 'mongoose';
 
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Permission } from './permission.schema';
 import { User } from './user.schema';
@@ -70,3 +71,7 @@ RoleModel.schema.virtual('users', {
 });
 
 export default RoleModel.schema;
+
+export type RolePopulate = keyof TFilterPopulateFields<Role, RoleStub>;
+
+export const ROLE_POPULATE: RolePopulate[] = ['permissions', 'users'];
diff --git a/api/src/user/schemas/user.schema.ts b/api/src/user/schemas/user.schema.ts
index 64dce4cc..b0d06b1c 100644
--- a/api/src/user/schemas/user.schema.ts
+++ b/api/src/user/schemas/user.schema.ts
@@ -7,13 +7,14 @@
  * 3. SaaS Restriction: This software, or any derivative of it, may not be used to offer a competing product or service (SaaS) without prior written consent from Hexastack. Offering the software as a service or using it in a commercial cloud environment without express permission is strictly prohibited.
  */
 
-import { Prop, Schema, SchemaFactory, ModelDefinition } from '@nestjs/mongoose';
+import { ModelDefinition, Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
 import { Transform, Type } from 'class-transformer';
-import { THydratedDocument, Schema as MongooseSchema } from 'mongoose';
+import { Schema as MongooseSchema, THydratedDocument } from 'mongoose';
 
 import { Attachment } from '@/attachment/schemas/attachment.schema';
 import { BaseSchema } from '@/utils/generics/base-schema';
 import { LifecycleHookManager } from '@/utils/generics/lifecycle-hook-manager';
+import { TFilterPopulateFields } from '@/utils/types/filter.types';
 
 import { Role } from './role.schema';
 import { UserProvider } from '../types/user-provider.type';
@@ -129,3 +130,7 @@ export const UserModel: ModelDefinition = LifecycleHookManager.attach({
 });
 
 export default UserModel.schema;
+
+export type UserPopulate = keyof TFilterPopulateFields<User, UserStub>;
+
+export const USER_POPULATE: UserPopulate[] = ['roles', 'avatar'];
diff --git a/api/src/user/seeds/model.seed.ts b/api/src/user/seeds/model.seed.ts
index f8b85cb4..7ca563f7 100644
--- a/api/src/user/seeds/model.seed.ts
+++ b/api/src/user/seeds/model.seed.ts
@@ -12,10 +12,10 @@ import { Injectable } from '@nestjs/common';
 import { BaseSeeder } from '@/utils/generics/base-seeder';
 
 import { ModelRepository } from '../repositories/model.repository';
-import { Model } from '../schemas/model.schema';
+import { Model, ModelFull, ModelPopulate } from '../schemas/model.schema';
 
 @Injectable()
-export class ModelSeeder extends BaseSeeder<Model> {
+export class ModelSeeder extends BaseSeeder<Model, ModelPopulate, ModelFull> {
   constructor(private readonly modelRepository: ModelRepository) {
     super(modelRepository);
   }
diff --git a/api/src/user/seeds/permission.seed.ts b/api/src/user/seeds/permission.seed.ts
index 5a29b4d8..41231dd1 100644
--- a/api/src/user/seeds/permission.seed.ts
+++ b/api/src/user/seeds/permission.seed.ts
@@ -12,10 +12,18 @@ import { Injectable } from '@nestjs/common';
 import { BaseSeeder } from '@/utils/generics/base-seeder';
 
 import { PermissionRepository } from '../repositories/permission.repository';
-import { Permission } from '../schemas/permission.schema';
+import {
+  Permission,
+  PermissionFull,
+  PermissionPopulate,
+} from '../schemas/permission.schema';
 
 @Injectable()
-export class PermissionSeeder extends BaseSeeder<Permission> {
+export class PermissionSeeder extends BaseSeeder<
+  Permission,
+  PermissionPopulate,
+  PermissionFull
+> {
   constructor(private readonly permissionRepository: PermissionRepository) {
     super(permissionRepository);
   }
diff --git a/api/src/user/seeds/role.seed.ts b/api/src/user/seeds/role.seed.ts
index 4569f01d..eb32d557 100644
--- a/api/src/user/seeds/role.seed.ts
+++ b/api/src/user/seeds/role.seed.ts
@@ -12,10 +12,10 @@ import { Injectable } from '@nestjs/common';
 import { BaseSeeder } from '@/utils/generics/base-seeder';
 
 import { RoleRepository } from '../repositories/role.repository';
-import { Role } from '../schemas/role.schema';
+import { Role, RoleFull, RolePopulate } from '../schemas/role.schema';
 
 @Injectable()
-export class RoleSeeder extends BaseSeeder<Role> {
+export class RoleSeeder extends BaseSeeder<Role, RolePopulate, RoleFull> {
   constructor(private readonly roleRepository: RoleRepository) {
     super(roleRepository);
   }
diff --git a/api/src/user/seeds/user.seed.ts b/api/src/user/seeds/user.seed.ts
index fbb95e77..52122456 100644
--- a/api/src/user/seeds/user.seed.ts
+++ b/api/src/user/seeds/user.seed.ts
@@ -12,10 +12,10 @@ import { Injectable } from '@nestjs/common';
 import { BaseSeeder } from '@/utils/generics/base-seeder';
 
 import { UserRepository } from '../repositories/user.repository';
-import { User } from '../schemas/user.schema';
+import { User, UserFull, UserPopulate } from '../schemas/user.schema';
 
 @Injectable()
-export class UserSeeder extends BaseSeeder<User> {
+export class UserSeeder extends BaseSeeder<User, UserPopulate, UserFull> {
   constructor(private readonly userRepository: UserRepository) {
     super(userRepository);
   }
diff --git a/api/src/user/services/invitation.service.ts b/api/src/user/services/invitation.service.ts
index 84bc02cc..f6a921c6 100644
--- a/api/src/user/services/invitation.service.ts
+++ b/api/src/user/services/invitation.service.ts
@@ -15,20 +15,26 @@ import {
 } from '@nestjs/common';
 import { JwtService, JwtSignOptions } from '@nestjs/jwt';
 import { MailerService } from '@nestjs-modules/mailer';
-import { TFilterQuery } from 'mongoose';
 
 import { config } from '@/config';
 import { ExtendedI18nService } from '@/extended-i18n.service';
 import { LoggerService } from '@/logger/logger.service';
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { InvitationCreateDto } from '../dto/invitation.dto';
 import { InvitationRepository } from '../repositories/invitation.repository';
-import { Invitation } from '../schemas/invitation.schema';
+import {
+  Invitation,
+  InvitationFull,
+  InvitationPopulate,
+} from '../schemas/invitation.schema';
 
 @Injectable()
-export class InvitationService extends BaseService<Invitation> {
+export class InvitationService extends BaseService<
+  Invitation,
+  InvitationPopulate,
+  InvitationFull
+> {
   constructor(
     @Inject(InvitationRepository)
     readonly repository: InvitationRepository,
@@ -112,30 +118,4 @@ export class InvitationService extends BaseService<Invitation> {
   async updateOne(..._: any): Promise<Invitation> {
     throw new Error('Illegal Update');
   }
-
-  /**
-   * Finds a single invitation by ID and populates related data.
-   *
-   * @param id - The ID of the invitation to find.
-   *
-   * @returns The invitation with populated fields.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
-  /**
-   * Finds and paginates invitations based on the provided filters and pagination query, with populated related data.
-   *
-   * @param filters - The filters to apply when finding invitations.
-   * @param pageQuery - The pagination query to apply.
-   *
-   * @returns A list of paginated invitations with populated fields.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<Invitation>,
-    pageQuery: PageQueryDto<Invitation>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
 }
diff --git a/api/src/user/services/model.service.spec.ts b/api/src/user/services/model.service.spec.ts
index fa5f91d4..c4721ce7 100644
--- a/api/src/user/services/model.service.spec.ts
+++ b/api/src/user/services/model.service.spec.ts
@@ -70,7 +70,7 @@ describe('ModelService', () => {
       jest.spyOn(modelRepository, 'findAndPopulate');
       const models = await modelRepository.findAll();
       const permissions = await permissionRepository.findAll();
-      const result = await modelService.findAndPopulate({}, ['permissions']);
+      const result = await modelService.findAndPopulate({});
       const modelsWithPermissions = models.reduce((acc, currModel) => {
         acc.push({
           ...currModel,
@@ -80,9 +80,10 @@ describe('ModelService', () => {
         });
         return acc;
       }, []);
-      expect(modelRepository.findAndPopulate).toHaveBeenCalledWith({}, [
-        'permissions',
-      ]);
+      expect(modelRepository.findAndPopulate).toHaveBeenCalledWith(
+        {},
+        undefined,
+      );
       expect(result).toEqualPayload(modelsWithPermissions);
     });
   });
diff --git a/api/src/user/services/model.service.ts b/api/src/user/services/model.service.ts
index 628817a6..2f67de0c 100644
--- a/api/src/user/services/model.service.ts
+++ b/api/src/user/services/model.service.ts
@@ -8,15 +8,14 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import { BaseService } from '@/utils/generics/base-service';
 
 import { ModelRepository } from '../repositories/model.repository';
-import { Model } from '../schemas/model.schema';
+import { Model, ModelFull, ModelPopulate } from '../schemas/model.schema';
 
 @Injectable()
-export class ModelService extends BaseService<Model> {
+export class ModelService extends BaseService<Model, ModelPopulate, ModelFull> {
   constructor(readonly repository: ModelRepository) {
     super(repository);
   }
@@ -31,26 +30,4 @@ export class ModelService extends BaseService<Model> {
   async deleteOne(id: string) {
     return await this.repository.deleteOne(id);
   }
-
-  /**
-   * Finds multiple Model entities based on provided filters and populates related entities.
-   *
-   * @param filters - The filters used to query the Model entities.
-   * @param populate - Optional array of related entity fields to populate in the result.
-   *
-   * @returns A promise that resolves to the list of found Model entities with populated fields.
-   */
-  async findAndPopulate(filters: TFilterQuery<Model>, populate?: string[]) {
-    return await this.repository.findAndPopulate(filters, populate);
-  }
-
-  /**
-   * Finds a single Model entity by its unique identifier and populates related entities.
-   *
-   * @param id - The unique identifier of the Model entity to find.
-   * @returns A promise that resolves to the found Model entity with populated fields.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
 }
diff --git a/api/src/user/services/permission.service.ts b/api/src/user/services/permission.service.ts
index 0faae70b..4ff1104e 100644
--- a/api/src/user/services/permission.service.ts
+++ b/api/src/user/services/permission.service.ts
@@ -11,58 +11,32 @@ import { CACHE_MANAGER } from '@nestjs/cache-manager';
 import { Inject, Injectable } from '@nestjs/common';
 import { OnEvent } from '@nestjs/event-emitter';
 import { Cache } from 'cache-manager';
-import { TFilterQuery } from 'mongoose';
 
-import { LoggerService } from '@/logger/logger.service';
 import { PERMISSION_CACHE_KEY } from '@/utils/constants/cache';
 import { Cacheable } from '@/utils/decorators/cacheable.decorator';
 import { BaseService } from '@/utils/generics/base-service';
 
 import { PermissionRepository } from '../repositories/permission.repository';
-import { Permission, PermissionFull } from '../schemas/permission.schema';
+import {
+  Permission,
+  PermissionFull,
+  PermissionPopulate,
+} from '../schemas/permission.schema';
 import { PermissionsTree } from '../types/permission.type';
 
 @Injectable()
-export class PermissionService extends BaseService<Permission> {
+export class PermissionService extends BaseService<
+  Permission,
+  PermissionPopulate,
+  PermissionFull
+> {
   constructor(
     readonly repository: PermissionRepository,
     @Inject(CACHE_MANAGER) private readonly cacheManager: Cache,
-    private readonly logger: LoggerService,
   ) {
     super(repository);
   }
 
-  /**
-   * Retrieves all permissions and populates related fields such as roles and models.
-   *
-   * @returns A promise that resolves with the populated permissions.
-   */
-  async findAllAndPopulate() {
-    return await this.repository.findAllAndPopulate();
-  }
-
-  /**
-   * Retrieves permissions based on the provided filter and populates related fields.
-   *
-   * @param filter - Filter criteria to apply when searching for permissions.
-   *
-   * @returns A promise that resolves with the filtered and populated permissions.
-   */
-  async findAndPopulate(filter: TFilterQuery<Permission>) {
-    return await this.repository.findAndPopulate(filter);
-  }
-
-  /**
-   * Retrieves a single permission by its identifier and populates related fields.
-   *
-   * @param id - Identifier of the permission to retrieve.
-   *
-   * @returns A promise that resolves with the populated permission.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
-
   /**
    * Handles permission update events by clearing the permissions cache.
    *
diff --git a/api/src/user/services/role.service.ts b/api/src/user/services/role.service.ts
index 61fa7cd6..5ba7e972 100644
--- a/api/src/user/services/role.service.ts
+++ b/api/src/user/services/role.service.ts
@@ -8,43 +8,15 @@
  */
 
 import { Injectable } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
 import { RoleRepository } from '../repositories/role.repository';
-import { Role } from '../schemas/role.schema';
+import { Role, RoleFull, RolePopulate } from '../schemas/role.schema';
 
 @Injectable()
-export class RoleService extends BaseService<Role> {
+export class RoleService extends BaseService<Role, RolePopulate, RoleFull> {
   constructor(readonly repository: RoleRepository) {
     super(repository);
   }
-
-  /**
-   * Retrieves a paginated list of roles with related fields populated, based on the provided filters and pagination options.
-   *
-   * @param filters - Criteria used to filter the roles.
-   * @param pageQuery - Pagination options, including page size and number.
-   *
-   * @returns A paginated result set of roles with related fields populated.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<Role>,
-    pageQuery: PageQueryDto<Role>,
-  ) {
-    return await this.repository.findPageAndPopulate(filters, pageQuery);
-  }
-
-  /**
-   * Retrieves a single role by its ID and populates its related fields.
-   *
-   * @param id - The unique identifier of the role to retrieve.
-   *
-   * @returns The role with related fields populated, or null if no role is found.
-   */
-  async findOneAndPopulate(id: string) {
-    return await this.repository.findOneAndPopulate(id);
-  }
 }
diff --git a/api/src/user/services/user.service.spec.ts b/api/src/user/services/user.service.spec.ts
index 3465f2ad..c028562c 100644
--- a/api/src/user/services/user.service.spec.ts
+++ b/api/src/user/services/user.service.spec.ts
@@ -99,10 +99,8 @@ describe('UserService', () => {
   describe('findOneAndPopulate', () => {
     it('should find one user and populate its role', async () => {
       jest.spyOn(userRepository, 'findOneAndPopulate');
-      const result = await userService.findOneAndPopulate(user.id, ['roles']);
-      expect(userRepository.findOneAndPopulate).toHaveBeenCalledWith(user.id, [
-        'roles',
-      ]);
+      const result = await userService.findOneAndPopulate(user.id);
+      expect(userRepository.findOneAndPopulate).toHaveBeenCalledWith(user.id);
       expect(result).toEqualPayload(
         {
           ...userFixtures.find(({ username }) => username === 'admin'),
@@ -118,9 +116,7 @@ describe('UserService', () => {
       const pageQuery = getPageQuery<User>({ sort: ['_id', 'asc'] });
       jest.spyOn(userRepository, 'findPageAndPopulate');
       const allUsers = await userRepository.findAll();
-      const result = await userService.findPageAndPopulate({}, pageQuery, [
-        'roles',
-      ]);
+      const result = await userService.findPageAndPopulate({}, pageQuery);
       const usersWithRoles = allUsers.reduce((acc, currUser) => {
         acc.push({
           ...currUser,
@@ -132,7 +128,6 @@ describe('UserService', () => {
       expect(userRepository.findPageAndPopulate).toHaveBeenCalledWith(
         {},
         pageQuery,
-        ['roles'],
       );
       expect(result).toEqualPayload(usersWithRoles);
     });
diff --git a/api/src/user/services/user.service.ts b/api/src/user/services/user.service.ts
index 3854f729..4d1bca45 100644
--- a/api/src/user/services/user.service.ts
+++ b/api/src/user/services/user.service.ts
@@ -10,40 +10,20 @@
 import { join } from 'path';
 
 import { Injectable, NotFoundException, StreamableFile } from '@nestjs/common';
-import { TFilterQuery } from 'mongoose';
 
-import { AttachmentService } from '@/attachment/services/attachment.service';
 import { getStreamableFile } from '@/attachment/utilities';
 import { config } from '@/config';
 import { BaseService } from '@/utils/generics/base-service';
-import { PageQueryDto } from '@/utils/pagination/pagination-query.dto';
 
-import { RoleService } from './role.service';
 import { UserRepository } from '../repositories/user.repository';
-import { User } from '../schemas/user.schema';
+import { User, UserFull, UserPopulate } from '../schemas/user.schema';
 
 @Injectable()
-export class UserService extends BaseService<User> {
-  constructor(
-    readonly repository: UserRepository,
-    private readonly roleService: RoleService,
-    private readonly attachmentService: AttachmentService,
-  ) {
+export class UserService extends BaseService<User, UserPopulate, UserFull> {
+  constructor(readonly repository: UserRepository) {
     super(repository);
   }
 
-  /**
-   * Finds a user by ID and populates the specified related fields.
-   *
-   * @param id - The ID of the user to find.
-   * @param populate - (Optional) Array of related fields to populate in the result.
-   *
-   * @returns A promise that resolves with the populated user record.
-   */
-  async findOneAndPopulate(id: string, populate?: string[]) {
-    return await this.repository.findOneAndPopulate(id, populate);
-  }
-
   /**
    * Retrieves the user's profile picture as a streamable file.
    *
@@ -52,7 +32,7 @@ export class UserService extends BaseService<User> {
    * @returns A promise that resolves with the streamable file of the user's profile picture.
    */
   async userProfilePic(id: string): Promise<StreamableFile> {
-    const user = await this.findOneAndPopulate(id, ['avatar']);
+    const user = await this.findOneAndPopulate(id);
     if (user) {
       const attachment = user.avatar;
       const path = join(config.parameters.uploadDir, attachment.location);
@@ -72,25 +52,4 @@ export class UserService extends BaseService<User> {
       throw new NotFoundException('Profile Not found');
     }
   }
-
-  /**
-   * Finds a paginated list of users based on filters and populates the specified related fields.
-   *
-   * @param filters - Filters to apply to the user search.
-   * @param pageQuery - Pagination and sorting information for the query.
-   * @param populate - (Optional) Array of related fields to populate in the result.
-   *
-   * @returns A promise that resolves with a paginated list of users.
-   */
-  async findPageAndPopulate(
-    filters: TFilterQuery<User>,
-    pageQuery: PageQueryDto<User>,
-    populate?: string[],
-  ) {
-    return await this.repository.findPageAndPopulate(
-      filters,
-      pageQuery,
-      populate,
-    );
-  }
 }
diff --git a/api/src/utils/decorators/cacheable.decorator.ts b/api/src/utils/decorators/cacheable.decorator.ts
index 2203abc9..c59cfb7a 100644
--- a/api/src/utils/decorators/cacheable.decorator.ts
+++ b/api/src/utils/decorators/cacheable.decorator.ts
@@ -7,7 +7,6 @@
  * 3. SaaS Restriction: This software, or any derivative of it, may not be used to offer a competing product or service (SaaS) without prior written consent from Hexastack. Offering the software as a service or using it in a commercial cloud environment without express permission is strictly prohibited.
  */
 
-import { LoggerService } from '@nestjs/common';
 import { Cache } from 'cache-manager';
 
 export function Cacheable(cacheKey: string) {
@@ -20,7 +19,6 @@ export function Cacheable(cacheKey: string) {
 
     descriptor.value = async function (...args: any[]) {
       const cache: Cache = this.cacheManager;
-      const logger: LoggerService = this.logger; // Access the logger from the instance
 
       if (!cache) {
         throw new Error(
@@ -28,19 +26,15 @@ export function Cacheable(cacheKey: string) {
         );
       }
 
-      if (!logger) {
-        throw new Error('Cacheable() requires the the logger service.');
-      }
-
       // Try to get cached data
       try {
         const cachedResult = await cache.get(cacheKey);
         if (cachedResult) {
-          logger.debug(`Cache hit for key: ${cacheKey}`);
           return cachedResult;
         }
       } catch (error) {
-        logger.error(`Cache get error for key: ${cacheKey}:`, error);
+        // eslint-disable-next-line no-console
+        console.error(`Cache get error for key: ${cacheKey}:`, error);
       }
 
       // Call the original method if cache miss
@@ -49,9 +43,9 @@ export function Cacheable(cacheKey: string) {
       // Set the new result in cache
       try {
         await cache.set(cacheKey, result);
-        logger.debug(`Cache set for key: ${cacheKey}`);
       } catch (error) {
-        logger.error(`Cache set error for key: ${cacheKey}:`, error);
+        // eslint-disable-next-line no-console
+        console.error(`Cache set error for key: ${cacheKey}:`, error);
       }
 
       return result;
diff --git a/api/src/utils/generics/base-controller.ts b/api/src/utils/generics/base-controller.ts
index 4d298e5e..18996444 100644
--- a/api/src/utils/generics/base-controller.ts
+++ b/api/src/utils/generics/base-controller.ts
@@ -12,10 +12,15 @@ import { TFilterQuery } from 'mongoose';
 
 import { BaseSchema } from './base-schema';
 import { BaseService } from './base-service';
-import { TValidateProps, TFilterPopulateFields } from '../types/filter.types';
+import { TValidateProps } from '../types/filter.types';
 
-export abstract class BaseController<T extends BaseSchema, TStub = never> {
-  constructor(private readonly service: BaseService<T>) {}
+export abstract class BaseController<
+  T extends BaseSchema,
+  TStub = never,
+  P extends string = never,
+  TFull extends Omit<T, P> = never,
+> {
+  constructor(protected readonly service: BaseService<T, P, TFull>) {}
 
   /**
    * Checks if the given populate fields are allowed based on the allowed fields list.
@@ -23,12 +28,12 @@ export abstract class BaseController<T extends BaseSchema, TStub = never> {
    * @param  allowedFields - The list of allowed populate fields.
    * @return - True if all populate fields are allowed, otherwise false.
    */
-  protected canPopulate(
-    populate: string[],
-    allowedFields: (keyof TFilterPopulateFields<T, TStub>)[],
-  ): boolean {
-    return (populate as typeof allowedFields).some((p) =>
-      allowedFields.includes(p),
+  protected canPopulate(populate: string[]): boolean {
+    return populate.some((p) =>
+      this.service
+        .getRepository()
+        .getPopulate()
+        .includes(p as P),
     );
   }
 
diff --git a/api/src/utils/generics/base-repository.ts b/api/src/utils/generics/base-repository.ts
index bb1e3c64..11caf416 100644
--- a/api/src/utils/generics/base-repository.ts
+++ b/api/src/utils/generics/base-repository.ts
@@ -32,6 +32,7 @@ export type DeleteResult = {
 export abstract class BaseRepository<
   T extends FlattenMaps<unknown>,
   P extends string = never,
+  TFull extends Omit<T, P> = never,
   U = Omit<T, keyof BaseSchema>,
   D = Document<T>,
 > {
@@ -42,10 +43,16 @@ export abstract class BaseRepository<
   constructor(
     readonly model: Model<T>,
     private readonly cls: new () => T,
+    protected readonly populate: P[] = [],
+    protected readonly clsPopulate: new () => TFull = undefined,
   ) {
     this.registerLifeCycleHooks();
   }
 
+  getPopulate() {
+    return this.populate;
+  }
+
   private registerLifeCycleHooks() {
     const repository = this;
     const hooks = LifecycleHookManager.getHooks(this.cls.name);
@@ -153,6 +160,12 @@ export abstract class BaseRepository<
     return await this.executeOne(query, this.cls, options);
   }
 
+  async findOneAndPopulate(criteria: string | TFilterQuery<T>) {
+    this.ensureCanPopulate();
+    const query = this.findOneQuery(criteria).populate(this.populate);
+    return await this.executeOne(query, this.clsPopulate);
+  }
+
   protected findQuery(filter: TFilterQuery<T>, sort?: QuerySortDto<T>) {
     const query = this.model.find<T>(filter);
     if (sort) {
@@ -166,14 +179,32 @@ export abstract class BaseRepository<
     return await this.execute(query, this.cls);
   }
 
-  protected findAllQuery() {
-    return this.findQuery({});
+  private ensureCanPopulate() {
+    if (!this.populate || !this.clsPopulate) {
+      throw new Error('Cannot populate query');
+    }
+  }
+
+  async findAndPopulate(filters: TFilterQuery<T>, sort?: QuerySortDto<T>) {
+    this.ensureCanPopulate();
+    const query = this.findQuery(filters, sort).populate(this.populate);
+    return await this.execute(query, this.clsPopulate);
+  }
+
+  protected findAllQuery(sort?: QuerySortDto<T>) {
+    return this.findQuery({}, sort);
   }
 
   async findAll(sort?: QuerySortDto<T>) {
     return await this.find({}, sort);
   }
 
+  async findAllAndPopulate(sort?: QuerySortDto<T>) {
+    this.ensureCanPopulate();
+    const query = this.findAllQuery(sort).populate(this.populate);
+    return await this.execute(query, this.clsPopulate);
+  }
+
   protected findPageQuery(
     filters: TFilterQuery<T>,
     { skip, limit, sort }: PageQueryDto<T>,
@@ -192,6 +223,17 @@ export abstract class BaseRepository<
     return await this.execute(query, this.cls);
   }
 
+  async findPageAndPopulate(
+    filters: TFilterQuery<T>,
+    pageQuery: PageQueryDto<T>,
+  ) {
+    this.ensureCanPopulate();
+    const query = this.findPageQuery(filters, pageQuery).populate(
+      this.populate,
+    );
+    return await this.execute(query, this.clsPopulate);
+  }
+
   async countAll(): Promise<number> {
     return await this.model.estimatedDocumentCount().exec();
   }
diff --git a/api/src/utils/generics/base-seeder.ts b/api/src/utils/generics/base-seeder.ts
index fae94189..7251e4f4 100644
--- a/api/src/utils/generics/base-seeder.ts
+++ b/api/src/utils/generics/base-seeder.ts
@@ -10,8 +10,12 @@
 import { BaseRepository } from './base-repository';
 import { BaseSchema } from './base-schema';
 
-export abstract class BaseSeeder<T, P extends string = never> {
-  constructor(protected readonly repository: BaseRepository<T, P>) {}
+export abstract class BaseSeeder<
+  T,
+  P extends string = never,
+  TFull extends Omit<T, P> = never,
+> {
+  constructor(protected readonly repository: BaseRepository<T, P, TFull>) {}
 
   async findAll(): Promise<T[]> {
     return await this.repository.findAll();
diff --git a/api/src/utils/generics/base-service.ts b/api/src/utils/generics/base-service.ts
index 6267da94..7b0fc405 100644
--- a/api/src/utils/generics/base-service.ts
+++ b/api/src/utils/generics/base-service.ts
@@ -16,8 +16,16 @@ import { BaseRepository } from './base-repository';
 import { BaseSchema } from './base-schema';
 import { PageQueryDto, QuerySortDto } from '../pagination/pagination-query.dto';
 
-export abstract class BaseService<T extends BaseSchema> {
-  constructor(readonly repository: BaseRepository<T, never>) {}
+export abstract class BaseService<
+  T extends BaseSchema,
+  P extends string = never,
+  TFull extends Omit<T, P> = never,
+> {
+  constructor(protected readonly repository: BaseRepository<T, P, TFull>) {}
+
+  getRepository() {
+    return this.repository;
+  }
 
   async findOne(
     criteria: string | TFilterQuery<T>,
@@ -26,14 +34,26 @@ export abstract class BaseService<T extends BaseSchema> {
     return await this.repository.findOne(criteria, options);
   }
 
+  async findOneAndPopulate(id: string) {
+    return await this.repository.findOneAndPopulate(id);
+  }
+
   async find(filter: TFilterQuery<T>, sort?: QuerySortDto<T>): Promise<T[]> {
     return await this.repository.find(filter, sort);
   }
 
+  async findAndPopulate(filters: TFilterQuery<T>, sort?: QuerySortDto<T>) {
+    return await this.repository.findAndPopulate(filters, sort);
+  }
+
   async findAll(sort?: QuerySortDto<T>): Promise<T[]> {
     return await this.repository.findAll(sort);
   }
 
+  async findAllAndPopulate(sort?: QuerySortDto<T>): Promise<TFull[]> {
+    return await this.repository.findAllAndPopulate(sort);
+  }
+
   async findPage(
     filters: TFilterQuery<T>,
     pageQueryDto: PageQueryDto<T>,
@@ -41,6 +61,13 @@ export abstract class BaseService<T extends BaseSchema> {
     return await this.repository.findPage(filters, pageQueryDto);
   }
 
+  async findPageAndPopulate(
+    filters: TFilterQuery<T>,
+    pageQueryDto: PageQueryDto<T>,
+  ): Promise<TFull[]> {
+    return await this.repository.findPageAndPopulate(filters, pageQueryDto);
+  }
+
   async countAll(): Promise<number> {
     return await this.repository.countAll();
   }