初始化

.gitignore

@@ -1,132 +1,6 @@
-# ---> Node
+.idea/
-# Logs
+.vscode/
-logs
-*.log
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-lerna-debug.log*
-.pnpm-debug.log*
-
-# Diagnostic reports (https://nodejs.org/api/report.html)
-report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
-
-# Runtime data
-pids
-*.pid
-*.seed
-*.pid.lock
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-*.lcov
-
-# nyc test coverage
-.nyc_output
-
-# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Bower dependency directory (https://bower.io/)
-bower_components
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (https://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directories
 node_modules/
-jspm_packages/
+build/
-
+tmp/
-# Snowpack dependency directory (https://snowpack.dev/)
+temp/
-web_modules/
-
-# TypeScript cache
-*.tsbuildinfo
-
-# Optional npm cache directory
-.npm
-
-# Optional eslint cache
-.eslintcache
-
-# Optional stylelint cache
-.stylelintcache
-
-# Microbundle cache
-.rpt2_cache/
-.rts2_cache_cjs/
-.rts2_cache_es/
-.rts2_cache_umd/
-
-# Optional REPL history
-.node_repl_history
-
-# Output of 'npm pack'
-*.tgz
-
-# Yarn Integrity file
-.yarn-integrity
-
-# dotenv environment variable files
-.env
-.env.development.local
-.env.test.local
-.env.production.local
-.env.local
-
-# parcel-bundler cache (https://parceljs.org/)
-.cache
-.parcel-cache
-
-# Next.js build output
-.next
-out
-
-# Nuxt.js build / generate output
-.nuxt
-dist
-
-# Gatsby files
-.cache/
-# Comment in the public line in if your project uses Gatsby and not Next.js
-# https://nextjs.org/blog/next-9-1#public-directory-support
-# public
-
-# vuepress build output
-.vuepress/dist
-
-# vuepress v2.x temp and cache directory
-.temp
-.cache
-
-# Docusaurus cache and generated files
-.docusaurus
-
-# Serverless directories
-.serverless/
-
-# FuseBox cache
-.fusebox/
-
-# DynamoDB Local files
-.dynamodb/
-
-# TernJS port file
-.tern-port
-
-# Stores VSCode versions used for testing VSCode extensions
-.vscode-test
-
-# yarn v2
-.yarn/cache
-.yarn/unplugged
-.yarn/build-state.yml
-.yarn/install-state.gz
-.pnp.*
-

README.md

@@ -1,2 +1,7 @@
-# DataBack
+# Awesome Project Build with TypeORM
 
+Steps to run this project:
+
+1. Run `npm i` command
+2. Setup database settings inside `data-source.ts` file
+3. Run `npm start` command

package.json

@@ -0,0 +1,22 @@
+{
+   "name": "typeorm-sample",
+   "version": "0.0.1",
+   "description": "Awesome project developed with TypeORM.",
+   "type": "commonjs",
+   "devDependencies": {
+      "ts-node": "10.7.0",
+      "@types/node": "^16.11.10",
+      "typescript": "4.5.2"
+   },
+   "dependencies": {
+      "typeorm": "0.3.17",
+      "reflect-metadata": "^0.1.13",
+      "mysql": "^2.14.1",
+      "express": "^4.17.2",
+      "body-parser": "^1.19.1"
+   },
+   "scripts": {
+      "start": "ts-node src/index.ts",
+      "typeorm": "typeorm-ts-node-commonjs"
+   }
+}

src/controller/UserController.ts

@@ -0,0 +1,53 @@
+import { AppDataSource } from "../data-source"
+import { NextFunction, Request, Response } from "express"
+import { User } from "../entity/User"
+
+export class UserController {
+
+    private userRepository = AppDataSource.getRepository(User)
+
+    async all(request: Request, response: Response, next: NextFunction) {
+        return this.userRepository.find()
+    }
+
+    async one(request: Request, response: Response, next: NextFunction) {
+        const id = parseInt(request.params.id)
+
+
+        const user = await this.userRepository.findOne({
+            where: { id }
+        })
+
+        if (!user) {
+            return "unregistered user"
+        }
+        return user
+    }
+
+    async save(request: Request, response: Response, next: NextFunction) {
+        const { firstName, lastName, age } = request.body;
+
+        const user = Object.assign(new User(), {
+            firstName,
+            lastName,
+            age
+        })
+
+        return this.userRepository.save(user)
+    }
+
+    async remove(request: Request, response: Response, next: NextFunction) {
+        const id = parseInt(request.params.id)
+
+        let userToRemove = await this.userRepository.findOneBy({ id })
+
+        if (!userToRemove) {
+            return "this user not exist"
+        }
+
+        await this.userRepository.remove(userToRemove)
+
+        return "user has been removed"
+    }
+
+}

src/data-source.ts

@@ -0,0 +1,17 @@
+import "reflect-metadata"
+import { DataSource } from "typeorm"
+import { User } from "./entity/User"
+
+export const AppDataSource = new DataSource({
+    type: "mysql",
+    host: "localhost",
+    port: 3306,
+    username: "test",
+    password: "test",
+    database: "test",
+    synchronize: true,
+    logging: false,
+    entities: [User],
+    migrations: [],
+    subscribers: [],
+})

src/entity/User.ts

@@ -0,0 +1,18 @@
+import { Entity, PrimaryGeneratedColumn, Column } from "typeorm"
+
+@Entity()
+export class User {
+
+    @PrimaryGeneratedColumn()
+    id: number
+
+    @Column()
+    firstName: string
+
+    @Column()
+    lastName: string
+
+    @Column()
+    age: number
+
+}

src/index.ts

@@ -0,0 +1,52 @@
+import * as express from "express"
+import * as bodyParser from "body-parser"
+import { Request, Response } from "express"
+import { AppDataSource } from "./data-source"
+import { Routes } from "./routes"
+import { User } from "./entity/User"
+
+AppDataSource.initialize().then(async () => {
+
+    // create express app
+    const app = express()
+    app.use(bodyParser.json())
+
+    // register express routes from defined application routes
+    Routes.forEach(route => {
+        (app as any)[route.method](route.route, (req: Request, res: Response, next: Function) => {
+            const result = (new (route.controller as any))[route.action](req, res, next)
+            if (result instanceof Promise) {
+                result.then(result => result !== null && result !== undefined ? res.send(result) : undefined)
+
+            } else if (result !== null && result !== undefined) {
+                res.json(result)
+            }
+        })
+    })
+
+    // setup express app here
+    // ...
+
+    // start express server
+    app.listen(3000)
+
+    // insert new users for test
+    await AppDataSource.manager.save(
+        AppDataSource.manager.create(User, {
+            firstName: "Timber",
+            lastName: "Saw",
+            age: 27
+        })
+    )
+
+    await AppDataSource.manager.save(
+        AppDataSource.manager.create(User, {
+            firstName: "Phantom",
+            lastName: "Assassin",
+            age: 24
+        })
+    )
+
+    console.log("Express server has started on port 3000. Open http://localhost:3000/users to see results")
+
+}).catch(error => console.log(error))

src/routes.ts

@@ -0,0 +1,23 @@
+import { UserController } from "./controller/UserController"
+
+export const Routes = [{
+    method: "get",
+    route: "/users",
+    controller: UserController,
+    action: "all"
+}, {
+    method: "get",
+    route: "/users/:id",
+    controller: UserController,
+    action: "one"
+}, {
+    method: "post",
+    route: "/users",
+    controller: UserController,
+    action: "save"
+}, {
+    method: "delete",
+    route: "/users/:id",
+    controller: UserController,
+    action: "remove"
+}]

tsconfig.json

@@ -0,0 +1,15 @@
+{
+   "compilerOptions": {
+      "lib": [
+         "es5",
+         "es6"
+      ],
+      "target": "es5",
+      "module": "commonjs",
+      "moduleResolution": "node",
+      "outDir": "./build",
+      "emitDecoratorMetadata": true,
+      "experimentalDecorators": true,
+      "sourceMap": true
+   }
+}