network chunk v13

UC/src/network/operations_custom/general_operations.ts

@@ -7,7 +7,6 @@ export class GeneralOperations implements OperationPlugin {
     public static readonly operationCodes = {
         OK: 'OK',
         ERR: 'ERR',
-        END: 'END',
         HEARTBEAT: 'HEARTBEAT',
         ALIVE: 'ALIVE',
         SET_PUBLIC_KEY: 'SET_PUBLIC_KEY',

UC/src/network/operations_custom/key_operations.ts

@@ -31,9 +31,27 @@ export class KeyOperations implements OperationPlugin {
             : { operationCode: operationCodes.ERR, metaInfo: { message: 'Key not found.' } };
     }
 
+    public static async handleDeleteKey(parsedMessage: ParsedMessage): Promise<ParsedMessage> {
+        const { userId } = parsedMessage.metaInfo || {};
+
+        if (!userId) {
+            return {
+                operationCode: operationCodes.ERR,
+                metaInfo: { message: 'User ID is required for deletion.' },
+            };
+        }
+
+        const isSuccess = keyDatabase.deleteKeysByUserId(userId);
+        return {
+            operationCode: isSuccess ? operationCodes.OK : operationCodes.ERR,
+            metaInfo: { message: isSuccess ? 'Key deleted successfully.' : 'Failed to delete key.' },
+        };
+    }
+
     public register(operationHandler: OperationHandler): void {
         operationHandler.registerHandler(KeyOperations.operationCodes.GET_KEYS, KeyOperations.handleGetKeys);
         operationHandler.registerHandler(KeyOperations.operationCodes.CREATE_KEY, KeyOperations.handleCreateKey);
         operationHandler.registerHandler(KeyOperations.operationCodes.FIND_KEY_BY_USER_ID, KeyOperations.handleFindKeyByUserId);
+        operationHandler.registerHandler(KeyOperations.operationCodes.DELETE_KEY, KeyOperations.handleDeleteKey);
     }
 }

UC/src/network/operations_custom/user_operations.ts

@@ -1,15 +1,15 @@
-import { ParsedMessage } from '../message_handler';
-import { userDatabase } from '../../db_managers/db';
-import { OperationHandler } from '../operations_base/operation_handler';
-import { OperationPlugin } from '../operations_base/operation_plugin';
-import { operationCodes} from "../operation_codes";
+import {ParsedMessage} from '../message_handler';
+import {userDatabase} from '../../db_managers/db';
+import {OperationHandler} from '../operations_base/operation_handler';
+import {OperationPlugin} from '../operations_base/operation_plugin';
+import {operationCodes} from "../operation_codes";
 
 export class UserOperations implements OperationPlugin {
     public static readonly operationCodes = {
-        GET_USERS: 'GET_USERS',
         CREATE_USER: 'CREATE_USER',
         MODIFY_USER: 'MODIFY_USER',
         DELETE_USER: 'DELETE_USER',
+        GET_USERS: 'GET_USERS',
         FIND_BY_ID: 'FIND_BY_ID',
         FIND_BY_EMAIL: 'FIND_BY_EMAIL',
     };
@@ -35,9 +35,45 @@ export class UserOperations implements OperationPlugin {
             : { operationCode: operationCodes.ERR, metaInfo: { message: 'Failed to modify user.' } };
     }
 
+    // Delete a user by ID
+    public static async handleDeleteUser(parsedMessage: ParsedMessage): Promise<ParsedMessage> {
+        const { id } = parsedMessage.metaInfo || {};
+
+        if (!id) {
+            return {
+                operationCode: operationCodes.ERR,
+                metaInfo: { message: 'User ID is required for deletion.' },
+            };
+        }
+
+        const isSuccess = userDatabase.deleteUser(id);
+        return {
+            operationCode: isSuccess ? operationCodes.OK : operationCodes.ERR,
+            metaInfo: { message: isSuccess ? 'User deleted successfully.' : 'Failed to delete user.' },
+        };
+    }
+
+    public static async handleGetUserByEmail(parsedMessage: ParsedMessage) : Promise<ParsedMessage>{
+        const { email } = parsedMessage.metaInfo || {};
+        if(!email){
+            return {
+                operationCode: operationCodes.ERR,
+                metaInfo: { message: 'Email is required.' },
+            };
+        }
+
+        const user = userDatabase.findByEmail(email);
+        return {
+            operationCode: user === null ? operationCodes.ERR : operationCodes.OK,
+            metaInfo: user === null ? {message: 'User not found.'} : user
+        };
+    }
+
     public register(operationHandler: OperationHandler): void {
-        operationHandler.registerHandler(UserOperations.operationCodes.GET_USERS, UserOperations.handleGetUsers);
         operationHandler.registerHandler(UserOperations.operationCodes.MODIFY_USER, UserOperations.handleModifyUser);
+        operationHandler.registerHandler(UserOperations.operationCodes.DELETE_USER, UserOperations.handleDeleteUser);
+        operationHandler.registerHandler(UserOperations.operationCodes.GET_USERS, UserOperations.handleGetUsers);
         operationHandler.registerHandler(UserOperations.operationCodes.FIND_BY_ID, UserOperations.handleGetUserById);
+        operationHandler.registerHandler(UserOperations.operationCodes.FIND_BY_EMAIL, UserOperations.handleGetUserByEmail);
     }
 }

UC/src/udp_server.ts

@@ -50,7 +50,7 @@ export class UdpServer {
 
         const communicator = new UdpSocketCommunicator(this.udpServer, ip, port, this.operationHandler);
 
-        communicator.handleIncomingMessage(msg.toString());
+        await communicator.handleIncomingMessage(msg.toString());
 
         const communicatorResult = communicator.getHandlerResult();
         if (communicatorResult) {

User/src/network/operations_custom/general_operations.ts

@@ -7,7 +7,6 @@ export class GeneralOperations implements OperationPlugin {
     public static readonly operationCodes = {
         OK: 'OK',
         ERR: 'ERR',
-        END: 'END',
         HEARTBEAT: 'HEARTBEAT',
         ALIVE: 'ALIVE',
         SET_PUBLIC_KEY: 'SET_PUBLIC_KEY',