issue entity + remove template code

apps/backend/package.json

@@ -17,9 +17,15 @@
   "dependencies": {
     "@nestjs/common": "^9.0.0",
     "@nestjs/core": "^9.0.0",
+    "@nestjs/mapped-types": "*",
     "@nestjs/platform-express": "^9.0.0",
+    "@nestjs/typeorm": "^9.0.1",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.0",
+    "pg": "^8.11.0",
     "reflect-metadata": "^0.1.13",
-    "rxjs": "^7.2.0"
+    "rxjs": "^7.2.0",
+    "typeorm": "^0.3.16"
   },
   "devDependencies": {
     "@nestjs/cli": "^9.0.0",

apps/backend/src/app.controller.ts

@@ -1,12 +0,0 @@
-import { Controller, Get } from '@nestjs/common';
-import { AppService } from './app.service';
-
-@Controller()
-export class AppController {
-  constructor(private readonly appService: AppService) {}
-
-  @Get()
-  getHello(): string {
-    return this.appService.getHello();
-  }
-}

apps/backend/src/app.module.ts

@@ -1,10 +1,20 @@
 import { Module } from '@nestjs/common';
-import { AppController } from './app.controller';
-import { AppService } from './app.service';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { IssuesModule } from './issues/issues.module';
 
 @Module({
-  imports: [],
-  controllers: [AppController],
-  providers: [AppService],
+  imports: [
+    TypeOrmModule.forRoot({
+      type: 'postgres',
+      host: 'postgres',
+      port: 5432,
+      username: 'admin',
+      password: 'admin!',
+      database: 'city_tracker_db',
+      autoLoadEntities: true,
+      synchronize: process.env.NODE_ENV !== 'production',
+    }),
+    IssuesModule,
+  ],
 })
 export class AppModule {}

apps/backend/src/app.service.ts

@@ -1,8 +0,0 @@
-import { Injectable } from '@nestjs/common';
-
-@Injectable()
-export class AppService {
-  getHello(): string {
-    return 'Hello World!';
-  }
-}

apps/backend/src/issues/dto/create-issue.dto.ts

@@ -0,0 +1,19 @@
+import { IsNumber, IsString, MaxLength, MinLength } from 'class-validator';
+
+export class CreateIssueDto {
+  @IsString()
+  @MinLength(1)
+  @MaxLength(32)
+  title: string;
+
+  @IsString()
+  @MinLength(10)
+  @MaxLength(255)
+  description: string;
+
+  @IsNumber()
+  latitude: number;
+
+  @IsNumber()
+  longitude: string;
+}

apps/backend/src/issues/dto/update-issue.dto.ts

@@ -0,0 +1,4 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { CreateIssueDto } from './create-issue.dto';
+
+export class UpdateIssueDto extends PartialType(CreateIssueDto) {}

apps/backend/src/issues/entities/issue-status.enum.ts

@@ -0,0 +1,5 @@
+export enum IssueStatus {
+  new = 'NEW',
+  inProgress = 'IN_PROGRESS',
+  done = 'DONE',
+}

apps/backend/src/issues/entities/issue.entity.ts

@@ -0,0 +1,43 @@
+import {
+  Column,
+  CreateDateColumn,
+  Entity,
+  PrimaryGeneratedColumn,
+} from 'typeorm';
+import { IssueStatus } from './issue-status.enum';
+
+@Entity('issues')
+export class Issue {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  title: string;
+
+  @Column()
+  description: string;
+
+  @Column()
+  latitude: number;
+
+  @Column()
+  longitude: string;
+
+  @Column({ type: 'enum', enum: IssueStatus, default: IssueStatus.new })
+  status: IssueStatus;
+
+  @CreateDateColumn()
+  createdAt: Date;
+
+  toDto() {
+    return {
+      id: this.id,
+      title: this.title,
+      status: this.status,
+      description: this.description,
+      latitude: this.latitude,
+      longitude: this.longitude,
+      createdAt: this.createdAt,
+    };
+  }
+}

apps/backend/src/issues/issues.controller.ts

@@ -0,0 +1,50 @@
+import {
+  Controller,
+  Get,
+  Post,
+  Body,
+  Patch,
+  Param,
+  Delete,
+  HttpCode,
+  HttpStatus,
+} from '@nestjs/common';
+import { IssuesService } from './issues.service';
+import { CreateIssueDto } from './dto/create-issue.dto';
+import { UpdateIssueDto } from './dto/update-issue.dto';
+
+@Controller('issues')
+export class IssuesController {
+  constructor(private readonly issuesService: IssuesService) {}
+
+  @Post()
+  create(@Body() createIssueDto: CreateIssueDto) {
+    return this.issuesService.create(createIssueDto).then((i) => i.toDto());
+  }
+
+  @Get()
+  findAll(@Param('direction') direction: string) {
+    return this.issuesService
+      .findAll(
+        direction.toLowerCase() === 'desc' ||
+          direction.toLowerCase() === 'descending',
+      )
+      .then((r) => r.map((i) => i.toDto()));
+  }
+
+  @Get(':id')
+  findOne(@Param('id') id: string) {
+    return this.issuesService.findOne(id).then((i) => i.toDto());
+  }
+
+  @Patch(':id')
+  update(@Param('id') id: string, @Body() updateIssueDto: UpdateIssueDto) {
+    return this.issuesService.update(id, updateIssueDto).then((i) => i.toDto());
+  }
+
+  @Delete(':id')
+  @HttpCode(HttpStatus.NO_CONTENT)
+  remove(@Param('id') id: string) {
+    return this.issuesService.remove(id);
+  }
+}

apps/backend/src/issues/issues.module.ts

@@ -0,0 +1,13 @@
+import { Module } from '@nestjs/common';
+import { IssuesService } from './issues.service';
+import { IssuesController } from './issues.controller';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Issue } from './entities/issue.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Issue])],
+  controllers: [IssuesController],
+  providers: [IssuesService],
+  exports: [IssuesService],
+})
+export class IssuesModule {}

apps/backend/src/issues/issues.service.ts

@@ -0,0 +1,43 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { CreateIssueDto } from './dto/create-issue.dto';
+import { UpdateIssueDto } from './dto/update-issue.dto';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Issue } from './entities/issue.entity';
+import { Repository } from 'typeorm';
+
+@Injectable()
+export class IssuesService {
+  constructor(
+    @InjectRepository(Issue) private readonly repository: Repository<Issue>,
+  ) {}
+
+  async create(createIssueDto: CreateIssueDto) {
+    const issue = this.repository.create({ ...createIssueDto });
+    return this.repository.save(issue);
+  }
+
+  async findAll(descending: boolean) {
+    return this.repository.find({
+      order: { createdAt: descending ? 'DESC' : 'ASC' },
+    });
+  }
+
+  async findOne(id: string) {
+    const ent = this.repository.findOneBy({ id });
+    if (ent === null) {
+      throw new NotFoundException('Issue not found');
+    }
+    return ent;
+  }
+
+  async update(id: string, updateIssueDto: UpdateIssueDto) {
+    const ent = await this.findOne(id);
+    this.repository.merge(ent, updateIssueDto);
+    return this.repository.save(ent);
+  }
+
+  async remove(id: string) {
+    const ent = await this.findOne(id);
+    return this.repository.remove(ent);
+  }
+}

apps/backend/src/main.ts

@@ -1,8 +1,16 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
+import { ValidationPipe } from '@nestjs/common';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
+  app.useGlobalPipes(
+    new ValidationPipe({
+      transform: true,
+      transformOptions: { enableImplicitConversion: false },
+      whitelist: true,
+    }),
+  );
   await app.listen(3000);
 }
 bootstrap();