Endpoint de status de banco de dados e email implementados

src/app.controller.ts

@@ -1,8 +1,9 @@
-import { Controller, Get, Req } from '@nestjs/common';
+import { Controller, Get, Req, Res } from '@nestjs/common';
 import { ApiOperation, ApiTags } from '@nestjs/swagger';
 import { AppService } from './app.service';
+import { SwaggerHealthCheck } from './shared/Swagger/decorators/app/health-check.swagger.decorator';
 
-import { Request } from 'express';
+import { Request, Response } from 'express';
 
 @ApiTags('Status')
 @Controller()
@@ -17,4 +18,14 @@ export class AppController {
     const baseUrl = req.protocol + '://' + req.get('host');
     return this.appService.getAppStatus(baseUrl);
   }
+
+  @Get('/health-check')
+  @SwaggerHealthCheck()
+  @ApiOperation({
+    summary: 'Retorna status dos serviços de email e banco de dados',
+  })
+  async getHealthCheck(@Res() res: Response){
+    const {status, data} =  await this.appService.getHealthCheck();
+    return res.status(status).send(data);
+  }
 }

src/app.module.ts

@@ -15,6 +15,8 @@ import { UploadModule } from './modules/upload/upload.module';
 import { UserModule } from './modules/user/user.module';
 import { ApplicationsModule } from './modules/applications/applications.module';
 import { typeormConfig } from './database/data-source';import { PassportModule } from '@nestjs/passport';
+import { UserRepository } from './modules/user/repository/user.repository';
+import { UsersEntity } from './database/entities/users.entity';
 
 @Module({
   imports: [
@@ -37,8 +39,12 @@ import { typeormConfig } from './database/data-source';import { PassportModule }
     UploadModule,
     CurriculumModule,
     ApplicationsModule,
+    TypeOrmModule.forFeature([UsersEntity])
   ],
   controllers: [AppController],
-  providers: [AppService],
+  providers: [
+    AppService,
+    UserRepository
+  ],
 })
 export class AppModule {}

src/app.service.ts

@@ -1,8 +1,70 @@
 import { Injectable } from '@nestjs/common';
+import { MailService } from './modules/mails/mail.service';
+import { UserRepository } from './modules/user/repository/user.repository';
+import { PageOptionsDto } from './shared/pagination';
+import { Order } from './shared/pagination';
 
 @Injectable()
 export class AppService {
+  constructor(
+    private mailService: MailService,
+    private userRepository: UserRepository
+  ){}
+
   getAppStatus(baseUrl: string) {
     return `<div style=text-align:center><a target="_blank" href="https://www.linkedin.com/company/soujunior/"><svg font-family="Times New Roman" font-size="16" height="299.96" viewBox="0 0 854 300" width="854.56" xmlns="http://www.w3.org/2000/svg" style="width:854.56px; height:299.96px; font-family:'Times New Roman'; font-size:16px; position:relative; z-index:1" xmlns:xlink="http://www.w3.org/1999/xlink"><style>.text {font-size: 90px;font-weight: 700;font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;}.desc {font-size: 20px;font-weight: 500;font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji;}.text, .desc {animation: fadeIn 1.2s ease-in-out forwards;}@keyframes fadeIn { from {opacity: 0; } to {opacity: 1; }};</style><g transform="translate(427, 150) scale(1, 1) translate(-427, -150)"><path d="" fill="#2088f2" opacity="0.4"><animate attributeName="d" begin="0s" calcmod="spline" dur="20s" keySplines="0.2 0 0.2 1;0.2 0 0.2 1;0.2 0 0.2 1" keyTimes="0;0.333;0.667;1" repeatCount="indefinite" values="M0 0L 0 220Q 213.5 260 427 230T 854 255L 854 0 Z;M0 0L 0 245Q 213.5 260 427 240T 854 230L 854 0 Z;M0 0L 0 265Q 213.5 235 427 265T 854 230L 854 0 Z;M0 0L 0 220Q 213.5 260 427 230T 854 255L 854 0 Z" /></path><path d="" fill="#2088f2" opacity="0.4"><animate attributeName="d" begin="-10s" calcmod="spline" dur="20s" keySplines="0.2 0 0.2 1;0.2 0 0.2 1;0.2 0 0.2 1" keyTimes="0;0.333;0.667;1" repeatCount="indefinite" values="M0 0L 0 235Q 213.5 280 427 250T 854 260L 854 0 Z;M0 0L 0 250Q 213.5 220 427 220T 854 240L 854 0 Z;M0 0L 0 245Q 213.5 225 427 250T 854 265L 854 0 Z;M0 0L 0 235Q 213.5 280 427 250T 854 260L 854 0 Z" /></path></g><text alignment-baseline="middle" class="text" stroke="#none" stroke-width="1" text-anchor="middle" x="50%" y="38%" style="font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji'; font-size:90px; font-weight:700; alignment-baseline:middle; fill:#ffffff; stroke-width:1; text-anchor:middle">Sou Junior</text><text alignment-baseline="middle" class="desc" text-anchor="middle" x="52%" y="61%" style="font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji'; font-size:20px; font-weight:500; alignment-baseline:middle; fill:#ffffff; text-anchor:middle">Projeto Opensource para melhorar o match entre os profissionais Juniors e Empresas!</text></svg></a></div>`;
   }
+
+  async getHealthCheck(){
+    const databaseStatus = await this.checkDatabase();
+    const mailerStatus = await this.checkEmail();
+    const data = {
+      databaseStatus,
+      mailerStatus
+    }
+    return {
+      status: 201,
+      data
+    };
+  }
+
+
+  private async checkDatabase(){
+    try{
+      const options: PageOptionsDto = {
+        page: 1,
+        take: 10,
+        orderByColumn: 'id',
+        order: Order.ASC
+      };
+      const allUsers = await this.userRepository.getAllUsers(options);
+      if (allUsers == null || allUsers == undefined){
+        return "DOWN";
+      }
+      return "OK";
+    }
+    catch(error){
+      return "DOWN";
+    }
+  }
+
+  private async checkEmail(){
+    try{
+      await this.mailService.sendMail({
+        subject: 'HealthCheck',
+        template: './health',
+        context: {
+          arg1: "Argumento1",
+          arg2: "Argumento2"
+        },
+        email: '[email protected]'
+      });
+      return "OK";
+    }
+    catch(error){
+      return "DOWN";
+    }
+
+  }
+
 }

src/modules/mails/templates/health.hbs

@@ -0,0 +1,13 @@
+<!DOCTYPE html>
+<html lang="pt-br">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Teste de Email</title>
+</head>
+<body>
+    <h1>Isso é um teste</h1>
+    <p>Isso é um teste. O primeiro argumento de contexto foi: {{arg1}}</p>
+    <p>O segundo argumento foi: {{arg2}}.</p>
+</body>
+</html>

src/shared/Swagger/decorators/app/classes/health-check-response.swagger.ts

@@ -0,0 +1,15 @@
+import { ApiProperty } from '@nestjs/swagger';
+
+export class HealthCheckResponse {
+    @ApiProperty({
+      example: 'DOWN',
+    })
+    databaseStatus: string;
+
+    @ApiProperty({
+      example: 'OK',
+    })
+    mailerStatus: string;
+
+}
+

src/shared/Swagger/decorators/app/health-check.swagger.decorator.ts

@@ -0,0 +1,16 @@
+import { applyDecorators, HttpStatus } from '@nestjs/common';
+import { ApiOperation, ApiResponse } from '@nestjs/swagger';
+import { HealthCheckResponse } from './classes/health-check-response.swagger';
+
+export function SwaggerHealthCheck() {
+  return applyDecorators(
+    ApiResponse({
+      status: HttpStatus.OK,
+      description: 'Exemplo do retorno de sucesso da rota',
+      type: HealthCheckResponse,
+    }),
+    ApiOperation({
+      summary: 'Retorna status dos serviços de email e banco de dados',
+    }),
+  );
+}