module 3 task 1 версия 3

03-di/01-notification-service/app.module.ts

@@ -1,7 +1,11 @@
 import { Module } from "@nestjs/common";
 import { TasksModule } from "./tasks/tasks.module";
+import {ConfigurationModule} from "./configuration/configuration.module";
+import * as path from 'node:path';
+
+const configFileName = path.join('./', 'config.json');
 
 @Module({
-  imports: [TasksModule],
+  imports: [TasksModule, ConfigurationModule.forRoot(configFileName) ],
 })
 export class AppModule {}

03-di/01-notification-service/config.json

@@ -0,0 +1,5 @@
+{
+  "emailGetway": "some email getway",
+  "smsGetway": "some sms getway",
+  "someValue": "someValue"
+}

03-di/01-notification-service/configuration/configuration.module.ts

@@ -0,0 +1,16 @@
+import { Module, DynamicModule, Global } from "@nestjs/common";
+import { ConfigurationService  } from './configuration.service';
+
+@Global()
+@Module({
+  providers: [ConfigurationService],
+  exports: [ConfigurationService]
+})
+export class ConfigurationModule {
+  static forRoot(fileName: string): DynamicModule {
+    return {
+      module: ConfigurationModule,
+      providers: [{ provide: 'CONFIG_FILE_NAME', useFactory: () => fileName }],
+    };
+  }
+}

03-di/01-notification-service/configuration/configuration.service.ts

@@ -0,0 +1,47 @@
+import * as fs from 'node:fs';
+import { Injectable, Inject } from "@nestjs/common";
+import { z } from "zod";
+
+const ConfigSchema = z.object({
+  emailGetway: z.string({
+    required_error: "emailGetway not provided"
+  }).nonempty(),
+  smsGetway: z.string({
+    required_error: "smsGetway not provided"
+  }),
+  someValue: z.string({
+    required_error: "someValue not provided"
+  })
+});
+
+type Config = z.infer<typeof ConfigSchema>;
+
+const defaultOptions: Config = {
+  emailGetway: 'default',
+  smsGetway: 'default',
+  someValue: 'default',
+};
+
+@Injectable()
+export class ConfigurationService {
+  private config: Config = defaultOptions;
+
+  constructor(@Inject('CONFIG_FILE_NAME') private fileName: string) {
+    try {
+      const config = JSON.parse(fs.readFileSync(this.fileName, 'utf8'));
+
+      ConfigSchema.parse(config);
+
+      this.config = config;
+
+      console.log(this.config);
+    } catch (error) {
+      // console.error(error);
+      throw error;
+    }
+  }
+
+  get options() {
+    return this.config;
+  }
+}

03-di/01-notification-service/package.json

@@ -2,5 +2,8 @@
   "scripts": {
     "start": "nest start --watch",
     "test": "cross-env NODE_OPTIONS=\"$NODE_OPTIONS --no-warnings --experimental-vm-modules\" NODE_ENV=test jest --config jest.config.js --runInBand"
+  },
+  "dependencies": {
+    "zod": "^3.24.1"
   }
 }

03-di/01-notification-service/providers/Logger.ts

@@ -2,8 +2,6 @@ import {ILogger} from './types';
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 
-export const LoggerService = 'LoggerService';
-
 export class FileLoggerService implements ILogger {
   constructor(private path: string, private fileName: string) {
     try {

03-di/01-notification-service/providers/NotificationService.ts

@@ -1,11 +1,12 @@
 import { Injectable, Inject } from "@nestjs/common";
-import { LoggerService } from './Logger';
+import { LoggerService } from '../tokens';
 import { ILogger } from './types';
+import {ConfigurationService} from "../configuration/configuration.service";
 
 @Injectable()
 export class NotificationService {
-  constructor(@Inject(LoggerService) private logger: ILogger) {
-    console.log('NotificationService', logger);
+  constructor(@Inject(LoggerService) private logger: ILogger, private configurationService: ConfigurationService) {
+    console.log('NotificationService', this.configurationService.options);
   };
 
   sendEmail(to: string, subject: string, message: string): void {

03-di/01-notification-service/tasks/task.model.ts

@@ -10,22 +10,22 @@ export enum TaskStatus {
 export class Task {
   @IsString()
   @IsNotEmpty()
-  id: string;
+  id: string = '';
 
   @IsString()
   @IsNotEmpty()
-  title: string;
+  title: string = '';
 
   @IsString()
   @IsNotEmpty()
-  description: string;
+  description: string = '';
 
   @IsString()
   @IsIn(Object.values(TaskStatus))
-  status: TaskStatus;
+  status: TaskStatus = TaskStatus.Pending;
 
   @IsNumber()
-  assignedTo?: number;
+  assignedTo: number = 0;
 }
 
 export class CreateTaskDto extends PickType(Task, [

03-di/01-notification-service/tasks/tasks.module.ts

@@ -3,7 +3,8 @@ import { TasksController } from "./tasks.controller";
 import { TasksService } from "./tasks.service";
 import { UsersModule } from "../users/users.module";
 import { NotificationService } from "../providers/NotificationService";
-import { FileLoggerService, ConsoleLoggerService, LoggerService } from '../providers/Logger';
+import { FileLoggerService, ConsoleLoggerService } from '../providers/Logger';
+import {LoggerService} from "../tokens";
 
 const getLogger = () => process.env.LOGGER === 'file' ? new FileLoggerService(Date.now().toString(), 'logs.txt') : new ConsoleLoggerService();
 

03-di/01-notification-service/tasks/tasks.service.ts

@@ -2,14 +2,16 @@ import { BadRequestException, Injectable, NotFoundException, Inject } from "@nes
 import { CreateTaskDto, Task, TaskStatus, UpdateTaskDto } from "./task.model";
 import { UsersService } from '../users/users.service';
 import { NotificationService } from '../providers/NotificationService';
+import {ConfigurationService} from "../configuration/configuration.service";
 
 @Injectable()
 export class TasksService {
   private tasks: Task[] = [];
 
   constructor(
     private usersService: UsersService, 
-    private notificationService: NotificationService
+    private notificationService: NotificationService,
+    private configurationService: ConfigurationService
   ) {};
 
   async createTask(createTaskDto: CreateTaskDto) {

03-di/01-notification-service/tokens.ts

@@ -0,0 +1 @@
+export const LoggerService = 'LoggerService';

03-di/01-notification-service/tsconfig.json

@@ -12,11 +12,12 @@
     "baseUrl": "./",
     "incremental": true,
     "skipLibCheck": true,
-    "strictNullChecks": false,
+    "strictNullChecks": true,
     "noImplicitAny": false,
     "strictBindCallApply": false,
     "forceConsistentCasingInFileNames": false,
     "noFallthroughCasesInSwitch": false,
-    "allowJs": true
+    "allowJs": true,
+    "strict": true
   }
 }

03-di/01-notification-service/users/user.model.ts

@@ -1,6 +1,6 @@
 export class User {
-  id: number;
-  name: string;
-  email: string;
-  phone: string;
+  id: number = 0;
+  name: string = '';
+  email: string = '';
+  phone: string = '';
 }