added merchants resource

bruno/Common Cents/Merchants/LOC DELETE Merchant.bru

@@ -0,0 +1,11 @@
+meta {
+  name: LOC DELETE Merchant
+  type: http
+  seq: 5
+}
+
+delete {
+  url: {{localBaseUrl}}/merchants/cbf30070-9ff7-419f-a567-f7d145be445b
+  body: none
+  auth: inherit
+}

bruno/Common Cents/Merchants/LOC GET Merchant By ID.bru

@@ -0,0 +1,15 @@
+meta {
+  name: LOC GET Merchant By ID
+  type: http
+  seq: 2
+}
+
+get {
+  url: {{localBaseUrl}}/merchants/{{merchantId}}
+  body: none
+  auth: inherit
+}
+
+vars:pre-request {
+  merchantId: 1d6d2842-b271-489b-bd93-e3ceaee5a139
+}

bruno/Common Cents/Merchants/LOC GET Merchants.bru

@@ -0,0 +1,11 @@
+meta {
+  name: LOC GET Merchants
+  type: http
+  seq: 1
+}
+
+get {
+  url: {{localBaseUrl}}/merchants
+  body: none
+  auth: inherit
+}

bruno/Common Cents/Merchants/LOC POST Merchant.bru

@@ -0,0 +1,17 @@
+meta {
+  name: LOC POST Merchant
+  type: http
+  seq: 3
+}
+
+post {
+  url: {{localBaseUrl}}/merchants
+  body: json
+  auth: inherit
+}
+
+body:json {
+  {
+    "name": "Walmart"
+  }
+}

bruno/Common Cents/Merchants/LOC PUT Merchant.bru

@@ -0,0 +1,18 @@
+meta {
+  name: LOC PUT Merchant
+  type: http
+  seq: 4
+}
+
+put {
+  url: {{localBaseUrl}}/merchants
+  body: json
+  auth: inherit
+}
+
+body:json {
+  {
+    "id": "1d6d2842-b271-489b-bd93-e3ceaee5a139",
+    "name": "Walmart"
+  }
+}

bruno/Common Cents/Merchants/folder.bru

@@ -0,0 +1,8 @@
+meta {
+  name: Merchants
+  seq: 3
+}
+
+auth {
+  mode: inherit
+}

src/app.module.ts

@@ -2,22 +2,19 @@ import { Module } from '@nestjs/common';
 import { AppController } from './app.controller';
 import { MerchantsModule } from './merchants/merchants.module';
 import { TypeOrmModule } from '@nestjs/typeorm';
-
+import { Merchant } from './merchants/entities/merchant.entity';
-// const config: SqliteConnectionOptions = {
-//   type: "sqlite",
-//   database: "../db",
-//   entities: [Post],
-//   synchronize: true
-// };
 
 @Module({
   imports: [
     MerchantsModule,
     TypeOrmModule.forRoot({
-
+      type: 'sqlite',
+      database: 'common-cents.db',
+      entities: [Merchant],
+      // synchronize: true // schema:sync
     })
   ],
   controllers: [AppController],
   providers: []
 })
-export class AppModule {}
+export class AppModule { }

src/merchants/dto/create-merchant.dto.ts

@@ -1 +1,3 @@
-export class CreateMerchantDto {}
+export class CreateMerchantDto {
+  name: string;
+}

src/merchants/dto/update-merchant.dto.ts

@@ -1,4 +1,4 @@
-import { PartialType } from '@nestjs/mapped-types';
+export class UpdateMerchantDto {
-import { CreateMerchantDto } from './create-merchant.dto';
+  id: string;
-
+  name: string;
-export class UpdateMerchantDto extends PartialType(CreateMerchantDto) {}
+}

src/merchants/entities/merchant.entity.ts

@@ -1 +1,10 @@
-export class Merchant {}
+import { Column, Entity, PrimaryGeneratedColumn } from 'typeorm';
+
+@Entity()
+export class Merchant {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column()
+  name: string;
+}

src/merchants/merchant-data.service.ts

@@ -0,0 +1,33 @@
+import { Injectable } from '@nestjs/common';
+import { DataSource, Repository } from 'typeorm';
+import { Merchant } from './entities/merchant.entity';
+import { UpdateMerchantDto } from './dto/update-merchant.dto';
+
+@Injectable()
+export class MerchantDataService {
+  private merchants: Repository<Merchant>;
+
+  public constructor(private dataSource: DataSource) {
+    this.merchants = this.dataSource.getRepository(Merchant);
+  }
+
+  public async getAllMerchants(): Promise<Merchant[]> {
+    return this.merchants.find();
+  }
+
+  public async getMerchantById(id: string): Promise<Merchant | null> {
+    return await this.merchants.findOneBy({ id });
+  }
+
+  public async createMerchant(name: string): Promise<Merchant> {
+    return await this.merchants.save({ name });
+  }
+
+  public async updateMerchant(updateMerchant: UpdateMerchantDto): Promise<Merchant> {
+    return await this.merchants.save(updateMerchant);
+  }
+
+  public async deleteMerchant(id: string): Promise<void> {
+    await this.merchants.delete({ id });
+  }
+}

src/merchants/merchants.controller.spec.ts

@@ -1,20 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { MerchantsController } from './merchants.controller';
-import { MerchantsService } from './merchants.service';
-
-describe('MerchantsController', () => {
-  let controller: MerchantsController;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [MerchantsController],
-      providers: [MerchantsService]
-    }).compile();
-
-    controller = module.get<MerchantsController>(MerchantsController);
-  });
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
-  });
-});

src/merchants/merchants.controller.ts

@@ -1,34 +1,75 @@
-import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
+import {
+  Controller,
+  Get,
+  Post,
+  Put,
+  Delete,
+  Body,
+  Param,
+  HttpCode,
+  HttpStatus,
+  NotFoundException,
+  BadRequestException,
+  InternalServerErrorException
+} from '@nestjs/common';
 import { MerchantsService } from './merchants.service';
 import { CreateMerchantDto } from './dto/create-merchant.dto';
 import { UpdateMerchantDto } from './dto/update-merchant.dto';
+import { Merchant } from './entities/merchant.entity';
 
 @Controller('merchants')
 export class MerchantsController {
-  constructor(private readonly merchantsService: MerchantsService) {}
+  public constructor(private readonly merchantsService: MerchantsService) { }
-
-  @Post()
-  create(@Body() createMerchantDto: CreateMerchantDto) {
-    return this.merchantsService.create(createMerchantDto);
-  }
 
   @Get()
-  findAll() {
+  @HttpCode(HttpStatus.OK)
-    return this.merchantsService.findAll();
+  public async findAll(): Promise<Merchant[]> {
+    return await this.merchantsService.findAll();
   }
 
   @Get(':id')
-  findOne(@Param('id') id: string) {
+  @HttpCode(HttpStatus.OK)
-    return this.merchantsService.findOne(+id);
+  public async findOne(@Param('id') id: string): Promise<Merchant> {
+    if (!id) {
+      throw new BadRequestException('No ID provided.');
+    }
+
+    try {
+      return await this.merchantsService.findById(id);
+    }
+    catch (error) {
+      throw new NotFoundException(error);
+    }
   }
 
-  @Patch(':id')
+  @Post()
-  update(@Param('id') id: string, @Body() updateMerchantDto: UpdateMerchantDto) {
+  @HttpCode(HttpStatus.CREATED)
-    return this.merchantsService.update(+id, updateMerchantDto);
+  public async create(@Body() newMerchant: CreateMerchantDto): Promise<Merchant> {
+    if (!newMerchant.name) {
+      throw new BadRequestException('Merchant name cannot be empty.');
+    }
+
+    try {
+      return await this.merchantsService.create(newMerchant);
+    }
+    catch (error) {
+      throw new InternalServerErrorException(error);
+    }
+  }
+
+  @Put()
+  @HttpCode(HttpStatus.OK)
+  public async update(@Body() updateMerchant: UpdateMerchantDto) {
+    if (!updateMerchant.id) {
+      return new BadRequestException('Merchant ID cannot be empty.');
+    }
+
+    return this.merchantsService.update(updateMerchant);
   }
 
   @Delete(':id')
-  remove(@Param('id') id: string) {
+  @HttpCode(HttpStatus.NO_CONTENT)
-    return this.merchantsService.remove(+id);
+  public async remove(@Param('id') id: string): Promise<void> {
+    return this.merchantsService.remove(id);
   }
 }

src/merchants/merchants.module.ts

@@ -1,9 +1,10 @@
 import { Module } from '@nestjs/common';
 import { MerchantsService } from './merchants.service';
 import { MerchantsController } from './merchants.controller';
+import { MerchantDataService } from './merchant-data.service';
 
 @Module({
   controllers: [MerchantsController],
-  providers: [MerchantsService]
+  providers: [MerchantsService, MerchantDataService]
 })
 export class MerchantsModule {}

src/merchants/merchants.service.spec.ts

@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { MerchantsService } from './merchants.service';
-
-describe('MerchantsService', () => {
-  let service: MerchantsService;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      providers: [MerchantsService]
-    }).compile();
-
-    service = module.get<MerchantsService>(MerchantsService);
-  });
-
-  it('should be defined', () => {
-    expect(service).toBeDefined();
-  });
-});

src/merchants/merchants.service.ts

@@ -1,26 +1,35 @@
 import { Injectable } from '@nestjs/common';
 import { CreateMerchantDto } from './dto/create-merchant.dto';
 import { UpdateMerchantDto } from './dto/update-merchant.dto';
+import { MerchantDataService } from './merchant-data.service';
+import { Merchant } from './entities/merchant.entity';
 
 @Injectable()
 export class MerchantsService {
-  create(createMerchantDto: CreateMerchantDto) {
+  public constructor(private merchantDataService: MerchantDataService) { }
-    return 'This action adds a new merchant';
+
+  public async findAll(): Promise<Merchant[]> {
+    return await this.merchantDataService.getAllMerchants();
   }
 
-  findAll() {
+  public async findById(id: string): Promise<Merchant> {
-    return `This action returns all merchants`;
+    const merchant = await this.merchantDataService.getMerchantById(id);
+    if (!merchant) {
+      throw new Error('Merchant not found.');
+    }
+
+    return merchant;
   }
 
-  findOne(id: number) {
+  public async create(newMerchant: CreateMerchantDto): Promise<Merchant> {
-    return `This action returns a #${id} merchant`;
+    return await this.merchantDataService.createMerchant(newMerchant.name);
   }
 
-  update(id: number, updateMerchantDto: UpdateMerchantDto) {
+  public async update(updateMerchant: UpdateMerchantDto): Promise<Merchant> {
-    return `This action updates a #${id} merchant`;
+    return await this.merchantDataService.updateMerchant(updateMerchant);
   }
 
-  remove(id: number) {
+  public async remove(id: string): Promise<void> {
-    return `This action removes a #${id} merchant`;
+    await this.merchantDataService.deleteMerchant(id);
   }
 }