lesson 86

package-lock.json

@@ -13,9 +13,11 @@
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@@ -243,6 +334,15 @@
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@@ -255,6 +355,11 @@
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@@ -696,6 +804,14 @@
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@@ -801,6 +934,29 @@
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       "resolved": "https://registry.npmjs.org/simple-update-notifier/-/simple-update-notifier-2.0.0.tgz",
@@ -2831,6 +3329,14 @@
         "node": ">=8"
       }
     },
+    "node_modules/sqlstring": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.3.tgz",
+      "integrity": "sha512-qC9iz2FlN7DQl3+wjwn3802RTyjCx7sDvfQEXchwa6CWOx07/WVfh91gBmQ9fahw8snwGEWU3xGzOt4tFyHLxg==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/statuses": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
@@ -2860,11 +3366,49 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
+    "node_modules/string-width": {
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/string-width-cjs": {
+      "name": "string-width",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
       "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-      "dev": true,
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/strip-ansi-cjs": {
+      "name": "strip-ansi",
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
       "dependencies": {
         "ansi-regex": "^5.0.1"
       },
@@ -2897,7 +3441,6 @@
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
       "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
-      "dev": true,
       "dependencies": {
         "has-flag": "^4.0.0"
       },
@@ -2927,6 +3470,25 @@
       "integrity": "sha512-N+8UisAXDGk8PFXP4HAzVR9nbfmVJ3zYLAWiTIoqC5v5isinhr+r5uaO8+7r3BMfuNIufIsA7RdpVgacC2cSpw==",
       "dev": true
     },
+    "node_modules/thenify": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
+      "integrity": "sha512-RVZSIV5IG10Hk3enotrhvz0T9em6cyHBLkH/YAZuKqd8hRkKhSfCGIcP2KUY0EPxndzANBmNllzWPwak+bheSw==",
+      "dependencies": {
+        "any-promise": "^1.0.0"
+      }
+    },
+    "node_modules/thenify-all": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz",
+      "integrity": "sha512-RNxQH/qI8/t3thXJDwcstUO4zeqo64+Uy/+sNVRBx4Xn2OX+OZ9oP+iJnNFqplFra2ZUVeKCSa2oVWi3T4uVmA==",
+      "dependencies": {
+        "thenify": ">= 3.1.0 < 4"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -3073,6 +3635,146 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
     },
+    "node_modules/typeorm": {
+      "version": "0.3.20",
+      "resolved": "https://registry.npmjs.org/typeorm/-/typeorm-0.3.20.tgz",
+      "integrity": "sha512-sJ0T08dV5eoZroaq9uPKBoNcGslHBR4E4y+EBHs//SiGbblGe7IeduP/IH4ddCcj0qp3PHwDwGnuvqEAnKlq/Q==",
+      "dependencies": {
+        "@sqltools/formatter": "^1.2.5",
+        "app-root-path": "^3.1.0",
+        "buffer": "^6.0.3",
+        "chalk": "^4.1.2",
+        "cli-highlight": "^2.1.11",
+        "dayjs": "^1.11.9",
+        "debug": "^4.3.4",
+        "dotenv": "^16.0.3",
+        "glob": "^10.3.10",
+        "mkdirp": "^2.1.3",
+        "reflect-metadata": "^0.2.1",
+        "sha.js": "^2.4.11",
+        "tslib": "^2.5.0",
+        "uuid": "^9.0.0",
+        "yargs": "^17.6.2"
+      },
+      "bin": {
+        "typeorm": "cli.js",
+        "typeorm-ts-node-commonjs": "cli-ts-node-commonjs.js",
+        "typeorm-ts-node-esm": "cli-ts-node-esm.js"
+      },
+      "engines": {
+        "node": ">=16.13.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/typeorm"
+      },
+      "peerDependencies": {
+        "@google-cloud/spanner": "^5.18.0",
+        "@sap/hana-client": "^2.12.25",
+        "better-sqlite3": "^7.1.2 || ^8.0.0 || ^9.0.0",
+        "hdb-pool": "^0.1.6",
+        "ioredis": "^5.0.4",
+        "mongodb": "^5.8.0",
+        "mssql": "^9.1.1 || ^10.0.1",
+        "mysql2": "^2.2.5 || ^3.0.1",
+        "oracledb": "^6.3.0",
+        "pg": "^8.5.1",
+        "pg-native": "^3.0.0",
+        "pg-query-stream": "^4.0.0",
+        "redis": "^3.1.1 || ^4.0.0",
+        "sql.js": "^1.4.0",
+        "sqlite3": "^5.0.3",
+        "ts-node": "^10.7.0",
+        "typeorm-aurora-data-api-driver": "^2.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@google-cloud/spanner": {
+          "optional": true
+        },
+        "@sap/hana-client": {
+          "optional": true
+        },
+        "better-sqlite3": {
+          "optional": true
+        },
+        "hdb-pool": {
+          "optional": true
+        },
+        "ioredis": {
+          "optional": true
+        },
+        "mongodb": {
+          "optional": true
+        },
+        "mssql": {
+          "optional": true
+        },
+        "mysql2": {
+          "optional": true
+        },
+        "oracledb": {
+          "optional": true
+        },
+        "pg": {
+          "optional": true
+        },
+        "pg-native": {
+          "optional": true
+        },
+        "pg-query-stream": {
+          "optional": true
+        },
+        "redis": {
+          "optional": true
+        },
+        "sql.js": {
+          "optional": true
+        },
+        "sqlite3": {
+          "optional": true
+        },
+        "ts-node": {
+          "optional": true
+        },
+        "typeorm-aurora-data-api-driver": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/typeorm/node_modules/glob": {
+      "version": "10.3.12",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-10.3.12.tgz",
+      "integrity": "sha512-TCNv8vJ+xz4QiqTpfOJA7HvYv+tNIRHKfUWw/q+v2jdgN4ebz+KY9tGx5J4rHP0o84mNP+ApH66HRX8us3Khqg==",
+      "dependencies": {
+        "foreground-child": "^3.1.0",
+        "jackspeak": "^2.3.6",
+        "minimatch": "^9.0.1",
+        "minipass": "^7.0.4",
+        "path-scurry": "^1.10.2"
+      },
+      "bin": {
+        "glob": "dist/esm/bin.mjs"
+      },
+      "engines": {
+        "node": ">=16 || 14 >=14.17"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/typeorm/node_modules/mkdirp": {
+      "version": "2.1.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-2.1.6.tgz",
+      "integrity": "sha512-+hEnITedc8LAtIP9u3HJDFIdcLV2vXP33sqLLIzkv1Db1zO/1OxbvYf0Y1OC/S/Qo5dxHXepofhmxL02PsKe+A==",
+      "bin": {
+        "mkdirp": "dist/cjs/src/bin.js"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
     "node_modules/typescript": {
       "version": "5.4.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
@@ -3126,6 +3828,18 @@
         "node": ">= 0.4.0"
       }
     },
+    "node_modules/uuid": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-9.0.1.tgz",
+      "integrity": "sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "bin": {
+        "uuid": "dist/bin/uuid"
+      }
+    },
     "node_modules/v8-compile-cache-lib": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
@@ -3143,7 +3857,6 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
       "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
-      "dev": true,
       "dependencies": {
         "isexe": "^2.0.0"
       },
@@ -3154,6 +3867,39 @@
         "node": ">= 8"
       }
     },
+    "node_modules/wrap-ansi": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
+      "dependencies": {
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
+    "node_modules/wrap-ansi-cjs": {
+      "name": "wrap-ansi",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
+      "dependencies": {
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -3168,12 +3914,45 @@
         "node": ">=0.4"
       }
     },
+    "node_modules/y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/yallist": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
       "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
       "dev": true
     },
+    "node_modules/yargs": {
+      "version": "17.7.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz",
+      "integrity": "sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==",
+      "dependencies": {
+        "cliui": "^8.0.1",
+        "escalade": "^3.1.1",
+        "get-caller-file": "^2.0.5",
+        "require-directory": "^2.1.1",
+        "string-width": "^4.2.3",
+        "y18n": "^5.0.5",
+        "yargs-parser": "^21.1.1"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/yargs-parser": {
+      "version": "21.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
+      "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/yn": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",

package.json

@@ -17,9 +17,11 @@
     "cors": "^2.8.5",
     "express": "^4.18.2",
     "multer": "^1.4.5-lts.1",
+    "mysql2": "^3.9.4",
     "reflect-metadata": "^0.2.1",
     "ts-node": "^10.9.1",
     "tslib": "^2.6.0",
+    "typeorm": "^0.3.20",
     "typescript": "^5.1.6"
   },
   "devDependencies": {

src/app.ts

@@ -2,6 +2,7 @@ import express from 'express';
 import { Application, RequestHandler } from 'express';
 import { AppInit } from './interfaces/AppInit.interface';
 import { IRoute } from './interfaces/IRoute.interface';
+import { appDataSource } from '@/config/dataSource';
 
 class App {
   public app: Application;
@@ -28,9 +29,13 @@ class App {
     this.app.use(express.json());
     this.app.use(express.static('public'));
   }
-  public listen() {
+  public async listen() {
+    await appDataSource.initialize();
     this.app.listen(this.port, () => {
       console.log(`App listening  on the http://localhost:${this.port}`);
+      process.on('exit', () => {
+        appDataSource.destroy();
+      });
     });
   }
 }

src/config/dataSource.ts

+import { DataSource } from 'typeorm';
+import { Product } from '@/entities/product.entity';
+
+export const appDataSource = new DataSource({
+  type: 'mysql',
+  host: 'localhost',
+  port: 3306,
+  username: 'ilyas',
+  password: 'ilyas100890',
+  database: 'test',
+  synchronize: true,
+  logging: true,
+  entities: [Product],
+});

src/controllers/product.controller.ts

@@ -10,18 +10,24 @@ export class ProductController {
     this.service = new ProductService();
   }
 
-  getProducts: RequestHandler = (req, res): void => {
-    const products = this.service.getProducts();
+  getProducts: RequestHandler = async (req, res): Promise<void> => {
+    const products = await this.service.getProducts();
     res.send(products);
   };
-  getProduct: RequestHandler = (req, res): void => {
-    const product = this.service.getProduct(req.params.id);
-    res.send(product);
+
+  getProduct: RequestHandler = async (req, res): Promise<void> => {
+    try {
+      const product = await this.service.getProduct(Number(req.params.id));
+      res.send(product);
+    } catch (e) {
+      res.status(400).send({ message: (e as Error).message });
+    }
   };
-  createProduct: RequestHandler = (req, res): void => {
+
+  createProduct: RequestHandler = async (req, res): Promise<void> => {
     const productDto = plainToInstance(ProductDto, req.body);
     if (req.file) productDto.image = req.file.filename;
-    const product = this.service.createProduct(productDto);
+    const product = await this.service.createProduct(productDto);
     res.send(product);
   };
 }

src/entities/product.entity.ts

+import { Entity, Column, PrimaryGeneratedColumn } from 'typeorm';
+
+@Entity({ name: 'products' })
+export class Product {
+  @PrimaryGeneratedColumn()
+  id!: number;
+
+  @Column()
+  title!: string;
+
+  @Column()
+  price!: number;
+
+  @Column()
+  image?: string;
+
+  @Column()
+  description!: string;
+}

src/interfaces/IProduct.interface.ts

 export interface IProduct {
-  id: string;
+  id: number;
   title: string;
   price: number;
   description?: string;

src/mysqlDB.ts

+import mysql, { Pool } from 'mysql2/promise';
+
+let pool: Pool;
+
+export const connect = async () => {
+  pool = mysql.createPool({
+    host: 'localhost',
+    user: 'ilyas',
+    password: 'ilyas100890',
+    database: 'test',
+  });
+};
+
+export const disconnect = async () => {
+  await pool.end();
+};
+
+export const getDb = () => pool;

src/repositories/product.repository.ts

+import { IProduct } from '@/interfaces/IProduct.interface';
+import { ProductDto } from '@/dto/ProductDto';
+import { Repository } from 'typeorm';
+import { appDataSource } from '@/config/dataSource';
+import { Product } from '@/entities/product.entity';
+
+export class ProductRepository extends Repository<Product> {
+  constructor() {
+    super(Product, appDataSource.createEntityManager());
+  }
+  async getProducts(): Promise<IProduct[]> {
+    return await this.find();
+  }
+
+  async getProduct(id: number): Promise<IProduct> {
+    const product = await this.findOne({
+      where: { id },
+    });
+    if (!product) {
+      throw new Error('Продукта с таким id не существует');
+    }
+
+    return product;
+  }
+
+  async createProduct(productDto: ProductDto): Promise<IProduct> {
+    const { title, description, price, image } = productDto;
+    const product = new Product();
+    product.image = image;
+    product.title = title;
+    product.price = price;
+    product.description = description;
+
+    await this.save(product);
+    return product;
+  }
+}

src/services/product.service.ts

 import { IProduct } from '@/interfaces/IProduct.interface';
 import { ProductDto } from '@/dto/ProductDto';
-import * as fs from 'fs';
-import path from 'path';
-import { randomUUID } from 'crypto';
-
-const filePath = path.join(__dirname, '../data/products.json');
+import { ProductRepository } from '@/repositories/product.repository';
 
 export class ProductService {
-  private products: IProduct[] = [];
+  private repository: ProductRepository;
 
   constructor() {
-    this.init();
-  }
-
-  private init() {
-    try {
-      const fileContents = fs.readFileSync(filePath);
-      this.products = JSON.parse(fileContents.toString());
-    } catch (e) {
-      this.products = [];
-    }
+    this.repository = new ProductRepository();
   }
 
-  private save() {
-    fs.writeFileSync(filePath, JSON.stringify(this.products, null, 2));
+  public async getProducts(): Promise<IProduct[]> {
+    return await this.repository.getProducts();
   }
 
-  public getProducts(): IProduct[] {
-    return this.products;
-  }
-
-  public getProduct(id: string): IProduct {
-    const singleProduct = this.products.find((product) => product.id === id);
-    if (singleProduct) return singleProduct;
+  public async getProduct(id: number): Promise<IProduct> {
+    const product = await this.repository.getProduct(id);
+    if (product) return product;
     else throw new Error('Invalid id');
   }
 
-  public createProduct(productDto: ProductDto): IProduct {
-    const product = {
-      id: randomUUID(),
-      ...productDto,
-    };
-
-    this.products.push(product);
-    this.save();
-    return product;
+  public async createProduct(productDto: ProductDto): Promise<IProduct> {
+    return await this.repository.createProduct(productDto);
   }
 }