fix: apply feedbacks

api/src/helper/lib/base-nlp-helper.ts

@@ -151,7 +151,7 @@ export default abstract class BaseNlpHelper<
           })
           .concat({
             entity: 'language',
-            value: s.language.code,
+            value: s.language!.code,
           });
 
         return {

api/src/i18n/services/language.service.ts

@@ -11,9 +11,11 @@ import {
   Inject,
   Injectable,
   InternalServerErrorException,
+  NotFoundException,
 } from '@nestjs/common';
 import { Cache } from 'cache-manager';
 
+import { LoggerService } from '@/logger/logger.service';
 import {
   DEFAULT_LANGUAGE_CACHE_KEY,
   LANGUAGES_CACHE_KEY,
@@ -29,6 +31,7 @@ export class LanguageService extends BaseService<Language> {
   constructor(
     readonly repository: LanguageRepository,
     @Inject(CACHE_MANAGER) private readonly cacheManager: Cache,
+    private readonly logger: LoggerService,
   ) {
     super(repository);
   }
@@ -72,6 +75,15 @@ export class LanguageService extends BaseService<Language> {
    * @returns A promise that resolves to the `Language` object.
    */
   async getLanguageByCode(code: string) {
-    return await this.findOne({ code });
+    const language = await this.findOne({ code });
+
+    if (!language) {
+      this.logger.warn(`Unable to Language by languageCode ${code}`);
+      throw new NotFoundException(
+        `Language with languageCode ${code} not found`,
+      );
+    }
+
+    return language;
   }
 }

api/src/nlp/controllers/nlp-sample.controller.ts

@@ -91,7 +91,7 @@ export class NlpSampleController extends BaseController<
     );
     const entities = await this.nlpEntityService.findAllAndPopulate();
     const helper = await this.helperService.getDefaultNluHelper();
-    const result = await helper.format?.(samples, entities);
+    const result = await helper.format(samples, entities);
 
     // Sending the JSON data as a file
     const buffer = Buffer.from(JSON.stringify(result));
@@ -129,11 +129,6 @@ export class NlpSampleController extends BaseController<
   ): Promise<NlpSampleFull> {
     const language = await this.languageService.getLanguageByCode(languageCode);
 
-    if (!language)
-      throw new NotFoundException(
-        `Language with code ${languageCode} not found`,
-      );
-
     const nlpSample = await this.nlpSampleService.create({
       ...createNlpSampleDto,
       language: language.id,
@@ -303,13 +298,6 @@ export class NlpSampleController extends BaseController<
   ): Promise<NlpSampleFull> {
     const language = await this.languageService.getLanguageByCode(languageCode);
 
-    if (!language) {
-      this.logger.warn(`Unable to Language by languageCode ${languageCode}`);
-      throw new NotFoundException(
-        `Language with languageCode ${languageCode} not found`,
-      );
-    }
-
     const sample = await this.nlpSampleService.updateOne(id, {
       ...sampleAttrs,
       language: language.id,