feat: add bulk delete functionality

api/src/chat/controllers/context-var.controller.spec.ts

@@ -6,7 +6,7 @@
  * 2. All derivative works must include clear attribution to the original creator and software, Hexastack and Hexabot, in a prominent location (e.g., in the software's "About" section, documentation, and README file).
  */
 
-import { NotFoundException } from '@nestjs/common';
+import { BadRequestException, NotFoundException } from '@nestjs/common';
 import { EventEmitter2 } from '@nestjs/event-emitter';
 import { MongooseModule } from '@nestjs/mongoose';
 import { Test } from '@nestjs/testing';
@@ -143,6 +143,44 @@ describe('ContextVarController', () => {
     });
   });
 
+  describe('deleteMany', () => {
+    const deleteResult = { acknowledged: true, deletedCount: 2 };
+
+    it('should delete contextVars when valid IDs are provided', async () => {
+      jest
+        .spyOn(contextVarService, 'deleteMany')
+        .mockResolvedValue(deleteResult);
+      const result = await contextVarController.deleteMany([
+        contextVarToDelete.id,
+        contextVar.id,
+      ]);
+
+      expect(contextVarService.deleteMany).toHaveBeenCalledWith({
+        _id: { $in: [contextVarToDelete.id, contextVar.id] },
+      });
+      expect(result).toEqual(deleteResult);
+    });
+
+    it('should throw BadRequestException when no IDs are provided', async () => {
+      await expect(contextVarController.deleteMany([])).rejects.toThrow(
+        new BadRequestException('No IDs provided for deletion.'),
+      );
+    });
+
+    it('should throw NotFoundException when no contextVars are deleted', async () => {
+      jest.spyOn(contextVarService, 'deleteMany').mockResolvedValue({
+        acknowledged: true,
+        deletedCount: 0,
+      });
+
+      await expect(
+        contextVarController.deleteMany([contextVarToDelete.id, contextVar.id]),
+      ).rejects.toThrow(
+        new NotFoundException('Context vars with provided IDs not found'),
+      );
+    });
+  });
+
   describe('updateOne', () => {
     const contextVarUpdatedDto: ContextVarUpdateDto = {
       name: 'updated_context_var_name',

api/src/chat/controllers/context-var.controller.ts

@@ -7,6 +7,7 @@
  */
 
 import {
+  BadRequestException,
   Body,
   Controller,
   Delete,
@@ -144,4 +145,31 @@ export class ContextVarController extends BaseController<ContextVar> {
     }
     return result;
   }
+
+  /**
+   * Deletes multiple categories by their IDs.
+   * @param ids - IDs of categories to be deleted.
+   * @returns A Promise that resolves to the deletion result.
+   */
+  @CsrfCheck(true)
+  @Delete('')
+  @HttpCode(204)
+  async deleteMany(@Body('ids') ids: string[]): Promise<DeleteResult> {
+    if (!ids || ids.length === 0) {
+      throw new BadRequestException('No IDs provided for deletion.');
+    }
+    const deleteResult = await this.contextVarService.deleteMany({
+      _id: { $in: ids },
+    });
+
+    if (deleteResult.deletedCount === 0) {
+      this.logger.warn(
+        `Unable to delete context vars with provided IDs: ${ids}`,
+      );
+      throw new NotFoundException('Context vars with provided IDs not found');
+    }
+
+    this.logger.log(`Successfully deleted context vars with IDs: ${ids}`);
+    return deleteResult;
+  }
 }