feat: commit solution for the listed issues

backend/testers/cloudinary.module.ts

@@ -0,0 +1,11 @@
+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { CloudinaryService } from './cloudinary.service';
+// import { CloudinaryProvider } from '../config/cloudinary.config';
+
+@Module({
+  imports: [ConfigModule],
+  providers: [CloudinaryService],
+  exports: [CloudinaryService],
+})
+export class CloudinaryModule {}

backend/testers/cloudinary.service.ts

@@ -0,0 +1,57 @@
+import { Injectable, BadRequestException } from '@nestjs/common';
+import {
+  UploadApiErrorResponse,
+  UploadApiResponse,
+  v2 as cloudinary,
+} from 'cloudinary';
+import { ConfigService } from '@nestjs/config';
+
+@Injectable()
+export class CloudinaryService {
+  constructor(private configService: ConfigService) {}
+
+  async uploadImage(
+    file: Express.Multer.File,
+    folder?: string,
+  ): Promise<UploadApiResponse | UploadApiErrorResponse> {
+    return new Promise((resolve, reject) => {
+      const uploadStream = cloudinary.uploader.upload_stream(
+        {
+          folder:
+            folder ||
+            this.configService.get<string>('CLOUDINARY_FOLDER') ||
+            'profile-pictures',
+          resource_type: 'auto',
+          transformation: [
+            { width: 500, height: 500, crop: 'limit' },
+            { quality: 'auto:good' },
+            { fetch_format: 'auto' },
+          ],
+        },
+        (error, result) => {
+          if (error) return reject(error);
+          resolve(result);
+        },
+      );
+
+      uploadStream.end(file.buffer);
+    });
+  }
+
+  async deleteImage(publicId: string): Promise<any> {
+    try {
+      return await cloudinary.uploader.destroy(publicId);
+    } catch (error) {
+      throw new BadRequestException('Failed to delete image from Cloudinary');
+    }
+  }
+
+  extractPublicIdFromUrl(url: string): string {
+    // Extract public_id from Cloudinary URL
+    const parts = url.split('/');
+    const fileWithExtension = parts[parts.length - 1];
+    const publicId = fileWithExtension.split('.')[0];
+    const folder = parts[parts.length - 2];
+    return `${folder}/${publicId}`;
+  }
+}