aula51

semana17/aula51 - template-webservices/.gitignore

@@ -0,0 +1,6 @@
+node_modules
+build
+
+.env
+
+.vscode

semana17/aula51 - template-webservices/package.json

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+{
+   "scripts": {
+      "start": "tsc && node --inspect ./build/index.js",
+      "dev-start": "tsnd --transpile-only --ignore-watch node_modules ./src/index.ts",
+      "migrations": "tsnd ./src/data/migrations.ts"
+   },
+   "dependencies": {
+      "cors": "^2.8.5",
+      "dotenv": "^8.2.0",
+      "express": "^4.17.1",
+      "knex": "^0.21.5",
+      "mysql": "^2.18.1"
+   },
+   "devDependencies": {
+      "@types/cors": "^2.8.8",
+      "@types/express": "^4.17.8",
+      "@types/node": "^14.11.2",
+      "ts-node-dev": "^1.0.0-pre.63",
+      "typescript": "^4.0.3"
+   }
+}

semana17/aula51 - template-webservices/src/app.ts

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+import express from 'express'
+import cors from 'cors'
+
+const app = express()
+
+app.use(express.json())
+app.use(cors())
+
+app.listen(3003, ()=>{
+    console.log('Servidor rodando na porta 3003')
+})
+
+export default app

semana17/aula51 - template-webservices/src/data/connection.ts

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+import knex from 'knex'
+import dotenv from 'dotenv'
+
+dotenv.config()
+
+export const connection = knex({
+    client: 'mysql',
+    connection: {
+        host: process.env.DB_HOST,
+        user: process.env.DB_USER,
+        password: process.env.DB_PASSWORD,
+        database: process.env.DB_SCHEMA,
+        port: 3306,
+        multipleStatements: true
+    }
+})

semana17/aula51 - template-webservices/src/data/migrations.ts

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+import { connection } from "./connection"
+import users from "./users.json"
+
+const printError = (error: any) => { console.log(error.sqlMessage || error.message) }
+
+const createTables = () => connection
+   .raw(`
+
+      CREATE TABLE IF NOT EXISTS aula51_users (
+         id VARCHAR(255) PRIMARY KEY,
+         name VARCHAR(255) NOT NULL,
+         nickname VARCHAR(255) NOT NULL,
+         email VARCHAR(255) UNIQUE NOT NULL,
+         address VARCHAR(255) NOT NULL
+      );
+   `)
+   .then(() => { console.log("Tabelas criadas") })
+   .catch(printError)
+
+const insertUsers = () => connection("aula51_users")
+   .insert(users)
+   .then(() => { console.log("Usuários criados") })
+   .catch(printError)
+
+const closeConnection = () => { connection.destroy() }
+
+createTables()
+   .then(insertUsers)
+   .finally(closeConnection)

semana17/aula51 - template-webservices/src/data/users.json

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+[
+   {
+      "id" :1,
+      "name":  "Alice",
+      "nickname":  "Lili",
+      "email": "alice@gmail.com",
+      "address":  "Avenida Portugal, 637 - Jardim Atlântico (31550-000) - Belo Horizonte, MG"
+   },
+   {
+      "id" :2,
+      "name":  "Bob",
+      "nickname":  "Robert",
+      "email": "bob@gmail.com",
+      "address":  "Rua Marechal Hermes, 542 - Juvevê (80530-230) - Curitiba, PR"
+   }
+]

semana17/aula51 - template-webservices/src/endpoints/createUser.ts

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+import { Request, Response } from "express";
+import { connection } from "../data/connection";
+import { user } from "../types";
+
+export default async function createUser(
+   req: Request,
+   res: Response
+): Promise<void> {
+   try {
+
+      const { name, nickname, email, address } = req.body
+
+      if (!name || !nickname || !email || !address) {
+         res.statusCode = 422
+         throw "'name', 'nickname', 'email' e 'address' são obrigatórios"
+      }
+
+      const id: string = Date.now().toString()
+
+      const newUser: user = { id, name, nickname, email, address }
+
+      await connection('aula51_users').insert(newUser)
+
+      res.status(201).send("Usuário criado!")
+
+   } catch (error) {
+
+      if (typeof error === "string") {
+
+         res.send(error)
+      } else {
+
+         console.log(error.sqlMessage || error.message);
+         res.status(500).send("Ops! Um erro inesperado ocorreu =/")
+      }
+
+   }
+}

semana17/aula51 - template-webservices/src/index.ts

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+import app from "./app"
+import createUser from './endpoints/createUser'
+
+app.post('/users/signup', createUser)

semana17/aula51 - template-webservices/src/types.ts

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+export type user = {
+   id: string
+   name: string
+   nickname: string
+   email: string
+   address: string
+}

semana17/aula51 - template-webservices/tsconfig.json

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+{
+   "compilerOptions": {
+      "target": "es6",
+      "module": "commonjs",
+      "outDir": "./build",
+      "rootDir": "./src",
+      "removeComments": true,
+      "strict": true,
+      "noImplicitAny": true,
+      "esModuleInterop": true,
+      "skipLibCheck": true,
+      "forceConsistentCasingInFileNames": true,
+      "resolveJsonModule": true
+   }
+}