feat: Add core backend modules for user, veil, gallery, service, and payment management with initial configuration and payment strategies.

Author: beginwebdev2002

backend/package-lock.json

@@ -23,6 +23,7 @@
     "@nestjs/common": "^11.0.1",
     "@nestjs/config": "^4.0.3",
     "@nestjs/core": "^11.0.1",
+    "@nestjs/mapped-types": "^2.1.0",
     "@nestjs/mongoose": "^11.0.4",
     "@nestjs/platform-express": "^11.0.1",
     "class-transformer": "^0.5.1",

backend/package.json

@@ -60,9 +60,9 @@ export class TelegramAuthService {
       username?: string;
       language_code?: string;
     }
-    
+
     const telegramUser = JSON.parse(userJson) as TelegramUser;
-    
+
     return this.userService.findOrCreate(telegramUser.id, {
       firstName: telegramUser.first_name,
       lastName: telegramUser.last_name,

backend/src/auth/telegram-auth.service.ts

@@ -10,54 +10,79 @@ export class AppConfigService {
   }
 
   get nodeEnv(): string {
-    return this.configService.get<string>('NODE_ENV', { infer: true }) ?? 'development';
+    return (
+      this.configService.get<string>('NODE_ENV', { infer: true }) ??
+      'development'
+    );
   }
 
   get apiPrefix(): string {
-    return this.configService.get<string>('API_PREFIX', { infer: true }) ?? 'api';
+    return (
+      this.configService.get<string>('API_PREFIX', { infer: true }) ?? 'api'
+    );
   }
 
   get frontendUrl(): string {
-    return this.configService.get<string>('FRONTEND_URL', { infer: true }) ?? '';
+    return (
+      this.configService.get<string>('FRONTEND_URL', { infer: true }) ?? ''
+    );
   }
 
   get mongoUri(): string {
     return this.configService.get<string>('MONGO_URI', { infer: true }) ?? '';
   }
 
   get mongoDbName(): string {
-    return this.configService.get<string>('MONGO_DB_NAME', { infer: true }) ?? 'mavluda-beauty';
+    return (
+      this.configService.get<string>('MONGO_DB_NAME', { infer: true }) ??
+      'mavluda-beauty'
+    );
   }
 
   get jwtSecret(): string {
     return this.configService.get<string>('JWT_SECRET', { infer: true }) ?? '';
   }
 
   get jwtExpiration(): string {
-    return this.configService.get<string>('JWT_EXPIRATION', { infer: true }) ?? '1d';
+    return (
+      this.configService.get<string>('JWT_EXPIRATION', { infer: true }) ?? '1d'
+    );
   }
 
   get telegramBotToken(): string {
-    return this.configService.get<string>('TELEGRAM_BOT_TOKEN', { infer: true }) ?? '';
+    return (
+      this.configService.get<string>('TELEGRAM_BOT_TOKEN', { infer: true }) ??
+      ''
+    );
   }
 
   get telegramWebAppUrl(): string {
-    return this.configService.get<string>('TELEGRAM_WEBAPP_URL', { infer: true }) ?? '';
+    return (
+      this.configService.get<string>('TELEGRAM_WEBAPP_URL', { infer: true }) ??
+      ''
+    );
   }
 
   get alifMerchantId(): string {
-    return this.configService.get<string>('ALIF_MERCHANT_ID', { infer: true }) ?? '';
+    return (
+      this.configService.get<string>('ALIF_MERCHANT_ID', { infer: true }) ?? ''
+    );
   }
 
   get alifToken(): string {
     return this.configService.get<string>('ALIF_TOKEN', { infer: true }) ?? '';
   }
 
   get alifCallbackKey(): string {
-    return this.configService.get<string>('ALIF_CALLBACK_KEY', { infer: true }) ?? '';
+    return (
+      this.configService.get<string>('ALIF_CALLBACK_KEY', { infer: true }) ?? ''
+    );
   }
 
   get cardPaymentApiKey(): string {
-    return this.configService.get<string>('CARD_PAYMENT_API_KEY', { infer: true }) ?? '';
+    return (
+      this.configService.get<string>('CARD_PAYMENT_API_KEY', { infer: true }) ??
+      ''
+    );
   }
 }

backend/src/common/config/app-config.service.ts

@@ -1,5 +1,12 @@
 import { plainToInstance } from 'class-transformer';
-import { IsNumber, IsString, IsUrl, IsEnum, IsOptional, validateSync } from 'class-validator';
+import {
+  IsNumber,
+  IsString,
+  IsUrl,
+  IsEnum,
+  IsOptional,
+  validateSync,
+} from 'class-validator';
 
 class EnvironmentVariables {
   @IsNumber()
@@ -56,13 +63,9 @@ class EnvironmentVariables {
 }
 
 export function validate(config: Record<string, unknown>) {
-  const validatedConfig = plainToInstance(
-    EnvironmentVariables,
-    config,
-    {
-      enableImplicitConversion: true,
-    },
-  );
+  const validatedConfig = plainToInstance(EnvironmentVariables, config, {
+    enableImplicitConversion: true,
+  });
   const errors = validateSync(validatedConfig, {
     skipMissingProperties: false,
   });

backend/src/common/config/env.validation.ts

@@ -13,4 +13,29 @@ export class GalleryService {
   async create(gallery: Omit<Gallery, 'id' | 'createdAt'>): Promise<Gallery> {
     return this.galleryRepository.create(gallery);
   }
+  async findOne(id: string): Promise<Gallery> {
+    const gallery = await this.galleryRepository.findById(id);
+    if (!gallery) {
+      throw new Error(`Gallery item with ID ${id} not found`);
+    }
+    return gallery;
+  }
+
+  async update(
+    id: string,
+    updateGalleryDto: Partial<Gallery>,
+  ): Promise<Gallery> {
+    const updated = await this.galleryRepository.update(id, updateGalleryDto);
+    if (!updated) {
+      throw new Error(`Gallery item with ID ${id} not found`);
+    }
+    return updated;
+  }
+
+  async remove(id: string): Promise<void> {
+    const deleted = await this.galleryRepository.delete(id);
+    if (!deleted) {
+      throw new Error(`Gallery item with ID ${id} not found`);
+    }
+  }
 }

backend/src/gallery/application/gallery.service.ts

@@ -2,7 +2,10 @@ import { Injectable } from '@nestjs/common';
 import { InjectModel } from '@nestjs/mongoose';
 import { Model } from 'mongoose';
 import { Gallery } from '@gallery/domain/gallery.entity';
-import { GalleryDocument, GallerySchemaEntity } from '@gallery/infrastructure/schemas/gallery.schema';
+import {
+  GalleryDocument,
+  GallerySchemaEntity,
+} from '@gallery/infrastructure/schemas/gallery.schema';
 
 @Injectable()
 export class GalleryRepository {
@@ -22,14 +25,38 @@ export class GalleryRepository {
     return this.toDomain(doc);
   }
 
+  async findById(id: string): Promise<Gallery | null> {
+    if (!id || !id.match(/^[0-9a-fA-F]{24}$/)) {
+      return null;
+    }
+    const doc = await this.galleryModel.findById(id).exec();
+    return doc ? this.toDomain(doc) : null;
+  }
+
+  async update(
+    id: string,
+    updateData: Partial<Gallery>,
+  ): Promise<Gallery | null> {
+    const doc = await this.galleryModel
+      .findByIdAndUpdate(id, { $set: updateData }, { new: true })
+      .exec();
+    return doc ? this.toDomain(doc) : null;
+  }
+
+  async delete(id: string): Promise<boolean> {
+    const result = await this.galleryModel.findByIdAndDelete(id).exec();
+    return !!result;
+  }
+
   private toDomain(doc: GalleryDocument): Gallery {
+    const d = doc as any;
     return new Gallery(
-      doc._id.toString(),
-      doc.title,
-      doc.imageUrl,
-      doc.category,
-      doc.tags,
-      (doc as any).createdAt,
+      d._id.toString(),
+      d.title,
+      d.imageUrl,
+      d.category,
+      d.tags,
+      d.createdAt,
     );
   }
 }

backend/src/gallery/infrastructure/repositories/gallery.repository.ts

@@ -0,0 +1,20 @@
+import { IsString, IsNotEmpty, IsUrl, IsEnum, IsOptional, IsArray } from 'class-validator';
+
+export class CreateGalleryDto {
+  @IsString()
+  @IsNotEmpty()
+  title: string;
+
+  @IsUrl()
+  @IsNotEmpty()
+  imageUrl: string;
+
+  @IsString()
+  @IsNotEmpty()
+  category: string;
+
+  @IsArray()
+  @IsString({ each: true })
+  @IsOptional()
+  tags?: string[];
+}

backend/src/gallery/presentation/dto/create-gallery.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreateGalleryDto } from './create-gallery.dto';
+
+export class UpdateGalleryDto extends PartialType(CreateGalleryDto) {}

backend/src/gallery/presentation/dto/update-gallery.dto.ts

@@ -1,6 +1,16 @@
-import { Controller, Get, Post, Body } from '@nestjs/common';
+import {
+  Controller,
+  Get,
+  Post,
+  Body,
+  Put,
+  Param,
+  Delete,
+} from '@nestjs/common';
 import { GalleryService } from '../application/gallery.service';
 import { Gallery } from '../domain/gallery.entity';
+import { CreateGalleryDto } from './dto/create-gallery.dto';
+import { UpdateGalleryDto } from './dto/update-gallery.dto';
 
 @Controller('gallery')
 export class GalleryController {
@@ -11,8 +21,34 @@ export class GalleryController {
     return this.galleryService.findAll();
   }
 
+  @Get(':id')
+  async findOne(@Param('id') id: string): Promise<Gallery> {
+    return this.galleryService.findOne(id);
+  }
+
   @Post()
-  async create(@Body() gallery: Omit<Gallery, 'id' | 'createdAt'>): Promise<Gallery> {
+  async create(@Body() createGalleryDto: CreateGalleryDto): Promise<Gallery> {
+    // Mapping DTO to Domain Entity
+    const gallery = createGalleryDto as unknown as Omit<
+      Gallery,
+      'id' | 'createdAt'
+    >;
     return this.galleryService.create(gallery);
   }
+
+  @Put(':id')
+  async update(
+    @Param('id') id: string,
+    @Body() updateGalleryDto: UpdateGalleryDto,
+  ): Promise<Gallery> {
+    return this.galleryService.update(
+      id,
+      updateGalleryDto as unknown as Partial<Gallery>,
+    );
+  }
+
+  @Delete(':id')
+  async remove(@Param('id') id: string): Promise<void> {
+    return this.galleryService.remove(id);
+  }
 }