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cfd85e729b
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cfd85e729b | 2 months ago |
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780fb8bc1f | 2 months ago |
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44b3017ce4 | 2 months ago |
6 changed files with 121 additions and 14 deletions
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import { Model, Table, Column, DataType } from "sequelize-typescript"; |
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@Table |
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export class Product extends Model<Product> { |
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@Column({ |
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type: DataType.STRING, |
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allowNull: false, |
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}) |
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name: string; |
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@Column({ |
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type: DataType.STRING, |
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allowNull: false, |
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}) |
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description: string; |
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@Column({ |
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type: DataType.DECIMAL(10, 2), |
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allowNull: false, |
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}) |
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price: number; |
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} |
@ -0,0 +1,23 @@ |
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import { Controller, Get, Post, Body, Patch, Param, Delete, Res, Query } from "@nestjs/common"; |
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import { ProductsService } from "./products.service"; |
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import { Product } from "./entities/product.entity"; |
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@Controller("products") |
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export class ProductsController { |
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constructor(private readonly productsService: ProductsService) {} |
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@Post() |
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async create(@Body() body: { name: string; description: string; price: number }) { |
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const { name, description, price } = body; |
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const product = await this.productsService.create(name, description, price); |
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return { |
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message: 'Product created successfully!', |
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product |
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}; |
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} |
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@Get() |
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async findAll(@Query() query: { search?: string; priceMin?: number; priceMax?: number }){ |
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const { search, priceMin, priceMax } = query; |
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return this.productsService.findAll(search, priceMin, priceMax); |
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} |
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} |
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@ -0,0 +1,12 @@ |
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import { Module } from "@nestjs/common"; |
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import { ProductsService } from "./products.service"; |
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import { ProductsController } from "./products.controller"; |
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import { SequelizeModule } from "@nestjs/sequelize"; |
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import { Product } from "./entities/product.entity"; |
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@Module({ |
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imports: [SequelizeModule.forFeature([Product])], |
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controllers: [ProductsController], |
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providers: [ProductsService], |
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}) |
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export class ProductsModule {} |
@ -0,0 +1,53 @@ |
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import { Injectable } from "@nestjs/common"; |
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import { InjectModel } from "@nestjs/sequelize"; |
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import { Product } from "./entities/product.entity"; |
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import { Op } from "sequelize"; |
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import { HttpException, HttpStatus } from "@nestjs/common"; |
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@Injectable() |
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export class ProductsService { |
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constructor(@InjectModel(Product) private readonly productModel: typeof Product) {} |
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async create(name: string, description: string, price: number): Promise<Product> { |
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try { |
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if (!name || !description || price <= 0) { |
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throw new Error("Invalid input data"); |
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} |
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const product = await this.productModel.create({ name, description, price }); |
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return product; |
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} catch (error) { |
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throw new Error("Error creating product"); |
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} |
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} |
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async findAll(search?: string, priceMin?: number, priceMax?: number): Promise<Product[]> { |
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const where: any = {}; |
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try { |
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if (search) { |
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where.name = { |
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[Op.like]: `%${search}%`, |
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}; |
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} |
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if (priceMin || priceMax) { |
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where.price = {}; |
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if (priceMin) where.price[Op.gte] = priceMin; |
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if (priceMax) where.price[Op.lte] = priceMax; |
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} |
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const products = await this.productModel.findAll({ where }); |
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if (!products || products.length === 0) { |
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throw new HttpException("No products found matching the given criteria.", HttpStatus.NOT_FOUND); |
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} |
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return products; |
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} catch (error) { |
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if (error instanceof HttpException) { |
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throw error; |
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} |
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throw new HttpException("An error occurred while retrieving products.", HttpStatus.INTERNAL_SERVER_ERROR); |
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} |
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} |
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} |
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