[#94] Backend

https://project.mdnd-it.cc/work_packages/94

SerpentRace_Backend/src/Application/Chat/commands/ChatArchiveCommandHandlers.ts

@@ -0,0 +1,69 @@
+import { ArchiveChatCommand, RestoreChatCommand } from './ChatCommands';
+import { IChatRepository } from '../../../Domain/IRepository/IChatRepository';
+import { ChatType } from '../../../Domain/Chat/ChatAggregate';
+import { logAuth, logError, logWarning } from '../../Services/Logger';
+
+export class ArchiveChatCommandHandler {
+    constructor(private chatRepository: IChatRepository) {}
+
+    async execute(command: ArchiveChatCommand): Promise<boolean> {
+        try {
+            const chat = await this.chatRepository.findById(command.chatId);
+            if (!chat) {
+                throw new Error('Chat not found');
+            }
+
+            await this.chatRepository.archiveChat(chat);
+
+            logAuth('Chat archived manually', undefined, {
+                chatId: command.chatId,
+                chatType: chat.type,
+                messageCount: chat.messages.length
+            });
+
+            return true;
+
+        } catch (error) {
+            logError('ArchiveChatCommandHandler error', error as Error);
+            return false;
+        }
+    }
+}
+
+export class RestoreChatCommandHandler {
+    constructor(private chatRepository: IChatRepository) {}
+
+    async execute(command: RestoreChatCommand): Promise<boolean> {
+        try {
+            const archive = await this.chatRepository.getArchivedChat(command.chatId);
+            if (!archive) {
+                throw new Error('Archived chat not found');
+            }
+
+            // Game chats cannot be restored, only viewed
+            if (archive.chatType === ChatType.GAME) {
+                logWarning('Attempt to restore game chat blocked', {
+                    chatId: command.chatId,
+                    chatType: archive.chatType
+                });
+                return false;
+            }
+
+            const restoredChat = await this.chatRepository.restoreFromArchive(command.chatId);
+            if (!restoredChat) {
+                throw new Error('Failed to restore chat from archive');
+            }
+
+            logAuth('Chat restored from archive', undefined, {
+                chatId: command.chatId,
+                messageCount: archive.archivedMessages.length
+            });
+
+            return true;
+
+        } catch (error) {
+            logError('RestoreChatCommandHandler error', error as Error);
+            return false;
+        }
+    }
+}