#2 выполнил задание переделал путь

service/package-lock.json

@@ -14,6 +14,7 @@
         "@nestjs/core": "^10.0.0",
         "@nestjs/mapped-types": "*",
         "@nestjs/platform-express": "^10.0.0",
+        "caesar-salad": "^2.1.0",
         "class-transformer": "^0.5.1",
         "class-validator": "^0.14.1",
         "reflect-metadata": "^0.2.0",
@@ -3206,6 +3207,18 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/caesar-salad": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/caesar-salad/-/caesar-salad-2.1.0.tgz",
+      "integrity": "sha512-ul2EGpFSv9ftddddOo/2PkzTlbEFbdgBtc7ESpEend/Kf26/eG2e25vUuG9TL4nc+lZgnSMnc4SRgE1o7086DQ==",
+      "license": "MIT",
+      "dependencies": {
+        "char-buffer": "^1.0.0||^2.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
     "node_modules/call-bind": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.8.tgz",
@@ -3311,6 +3324,15 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/char-buffer": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/char-buffer/-/char-buffer-2.0.0.tgz",
+      "integrity": "sha512-VhQ0Lv1guSq/VfUM2nmEQiqLyD/bPtGh0zAMNqP9fjnI1wNbOU1Bv1xEh0tEdxhieatZfmaCw08lhzNEyeHpkQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/char-regex": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/char-regex/-/char-regex-1.0.2.tgz",

service/package.json

@@ -25,6 +25,7 @@
     "@nestjs/core": "^10.0.0",
     "@nestjs/mapped-types": "*",
     "@nestjs/platform-express": "^10.0.0",
+    "caesar-salad": "^2.1.0",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",
     "reflect-metadata": "^0.2.0",

service/src/message/message.controller.ts

@@ -2,7 +2,7 @@ import { Controller, Post, Body } from '@nestjs/common';
 import { MessageService } from './message.service';
 import { CreateMessageDto } from './dto/create-message.dto';
 
-@Controller('message')
+@Controller()
 export class MessageController {
   constructor(private readonly messageService: MessageService) {}
 

service/src/message/message.service.ts

 import { Injectable } from '@nestjs/common';
-import { CreateMessageDto } from './dto/create-message.dto';
-import { UpdateMessageDto } from './dto/update-message.dto';
+import { Vigenere } from 'caesar-salad';
 
 @Injectable()
 export class MessageService {
-  [x: string]: any;
-  create(createMessageDto: CreateMessageDto) {
-    return 'This action adds a new message';
+  encodeMessage(password: string, message: string): string {
+    return Vigenere.Cipher(password).crypt(message);
   }
 
-  findAll() {
-    return `This action returns all message`;
-  }
-
-  findOne(id: number) {
-    return `This action returns a #${id} message`;
-  }
-
-  update(id: number, updateMessageDto: UpdateMessageDto) {
-    return `This action updates a #${id} message`;
-  }
-
-  remove(id: number) {
-    return `This action removes a #${id} message`;
+  decodeMessage(password: string, message: string): string {
+    return Vigenere.Decipher(password).crypt(message);
   }
 }