Donat
86211923db
Repository Interface Optimization: - Created IBaseRepository.ts and IPaginatedRepository.ts - Refactored all 7 repository interfaces to extend base interfaces - Eliminated ~200 lines of redundant code (70% reduction) - Improved type safety and maintainability Dependency Injection Improvements: - Added EmailService and GameTokenService to DIContainer - Updated CreateUserCommandHandler constructor for DI - Updated RequestPasswordResetCommandHandler constructor for DI - Enhanced testability and service consistency Environment Configuration: - Created comprehensive .env.example with 40+ variables - Organized into 12 logical sections (Database, Security, Email, etc.) - Added security guidelines and best practices - Documented all backend environment requirements Documentation: - Added comprehensive codebase review - Created refactoring summary report - Added frontend implementation guide Impact: Improved code quality, reduced maintenance overhead, enhanced developer experience
86 lines
3.2 KiB
TypeScript
86 lines
3.2 KiB
TypeScript
import { CreateChatCommand } from './ChatCommands';
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import { IChatRepository } from '../../../Domain/IRepository/IChatRepository';
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import { IUserRepository } from '../../../Domain/IRepository/IUserRepository';
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import { ChatType, ChatAggregate } from '../../../Domain/Chat/ChatAggregate';
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import { UserState } from '../../../Domain/User/UserAggregate';
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import { logAuth, logError } from '../../Services/Logger';
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export class CreateChatCommandHandler {
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constructor(
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private chatRepository: IChatRepository,
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private userRepository: IUserRepository
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) {}
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async execute(command: CreateChatCommand): Promise<ChatAggregate | null> {
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try {
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// Validate creator exists
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const creator = await this.userRepository.findById(command.createdBy);
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if (!creator) {
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throw new Error('Creator not found');
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}
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// For group chats, check if creator is premium
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if (command.type === 'group' && creator.state !== UserState.VERIFIED_PREMIUM) {
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throw new Error('Premium subscription required to create groups');
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}
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// Validate all target users exist
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const targetUsers = await Promise.all(
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command.userIds.map(id => this.userRepository.findById(id))
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);
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if (targetUsers.some(user => !user)) {
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throw new Error('One or more target users not found');
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}
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// For direct chats, check if already exists
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if (command.type === 'direct' && command.userIds.length === 1) {
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const existingChats = await this.chatRepository.findByUserId(command.createdBy);
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const existingDirectChat = existingChats.find(chat =>
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chat.type === ChatType.DIRECT &&
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chat.users.length === 2 &&
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chat.users.includes(command.userIds[0])
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);
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if (existingDirectChat) {
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return existingDirectChat;
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}
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}
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// For game chats, check if already exists
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if (command.type === 'game' && command.gameId) {
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const existingGameChat = await this.chatRepository.findByGameId(command.gameId);
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if (existingGameChat) {
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return existingGameChat;
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}
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}
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// Create chat
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const chatData: Partial<ChatAggregate> = {
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type: command.type as any,
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name: command.name,
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gameId: command.gameId,
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createdBy: command.createdBy,
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users: [command.createdBy, ...command.userIds],
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messages: [],
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lastActivity: new Date()
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};
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const chat = await this.chatRepository.create(chatData);
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logAuth('Chat created successfully', command.createdBy, {
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chatId: chat.id,
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chatType: command.type,
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participantCount: chat.users.length,
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gameId: command.gameId
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});
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return chat;
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} catch (error) {
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logError('CreateChatCommandHandler error', error as Error);
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return null;
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}
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}
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}
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