Exercicio 1 feito!

Semana19/Aula4/template-testes-backend/.gitignore

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+node_modules/
+build/
+.vscode/
+
+.env
+.rest

Semana19/Aula4/template-testes-backend/jest.config.js

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+module.exports = {
+   roots: ["<rootDir>/tests"],
+   transform: {
+      "^.+\\.tsx?$": "ts-jest",
+   },
+   testRegex: "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",
+   moduleFileExtensions: ["ts", "tsx", "js", "jsx", "json", "node"],
+};

Semana19/Aula4/template-testes-backend/package.json

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+{
+   "name": "testes-no-backend",
+   "version": "1.0.0",
+   "description": "",
+   "main": "index.js",
+   "scripts": {
+      "test": "clear && echo \"Running tests...\" && jest",
+      "start": "tsc && node --inspect ./build/src/index.js",
+      "dev": " ts-node-dev ./src/index.ts"
+   },
+   "author": "Labenu",
+   "license": "ISC",
+   "dependencies": {
+      "bcryptjs": "^2.4.3",
+      "dotenv": "^8.2.0",
+      "express": "^4.17.1",
+      "jsonwebtoken": "^8.5.1",
+      "knex": "^0.21.1",
+      "mysql": "^2.18.1",
+      "uuid": "^8.0.0"
+   },
+   "devDependencies": {
+      "jest": "^26.0.1",
+      "ts-jest": "^26.1.0",
+      "typescript": "^3.9.2",
+      "ts-node-dev": "^1.0.0-pre.44",
+      "@types/bcryptjs": "^2.4.2",
+      "@types/express": "^4.17.6",
+      "@types/jest": "^25.2.3",
+      "@types/jsonwebtoken": "^8.5.0",
+      "@types/knex": "^0.16.1",
+      "@types/uuid": "^7.0.3"
+   }
+}

Semana19/Aula4/template-testes-backend/src/business/UserBusiness.ts

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+import { CustomError } from "../errors/CustomError";
+import { User, stringToUserRole } from "../model/User";
+import userDatabase from "../data/UserDatabase";
+import hashGenerator from "../services/hashGenerator";
+import idGenerator from "../services/idGenerator";
+import tokenGenerator from "../services/tokenGenerator";
+import UserDatabase from "../data/UserDatabase";
+
+export class UserBusiness {
+
+   public async signup(
+      name: string,
+      email: string,
+      password: string,
+      role: string
+   ) {
+      try {
+         if (!name || !email || !password || !role) {
+            throw new CustomError(422, "Missing input");
+         }
+
+         if (email.indexOf("@") === -1) {
+            throw new CustomError(422, "Invalid email");
+         }
+
+         if (password.length < 6) {
+            throw new CustomError(422, "Invalid password");
+         }
+
+         const id = idGenerator.generate();
+
+         const cypherPassword = await hashGenerator.hash(password);
+
+         await userDatabase.createUser(
+            new User(id, name, email, cypherPassword, stringToUserRole(role))
+         );
+
+         const accessToken = tokenGenerator.generate({
+            id,
+            role,
+         });
+         return { accessToken };
+      } catch (error) {
+         if (error.message.includes("key 'email'")) {
+            throw new CustomError(409, "Email already in use")
+         }
+
+         throw new CustomError(error.statusCode, error.message)
+      }
+
+   }
+
+   public async login(email: string, password: string) {
+
+      try {
+         if (!email || !password) {
+            throw new CustomError(422, "Missing input");
+         }
+
+         const user = await userDatabase.getUserByEmail(email);
+
+         if (!user) {
+            throw new CustomError(401, "Invalid credentials");
+         }
+
+         const isPasswordCorrect = await hashGenerator.compareHash(
+            password,
+            user.getPassword()
+         );
+
+         if (!isPasswordCorrect) {
+            throw new CustomError(401, "Invalid credentials");
+         }
+
+         const accessToken = tokenGenerator.generate({
+            id: user.getId(),
+            role: user.getRole(),
+         });
+
+         return { accessToken };
+      } catch (error) {
+         throw new CustomError(error.statusCode, error.message)
+      }
+   }
+
+   public async getUserById(id: string) {
+      try {
+         const user = await UserDatabase.getUserById(id);
+
+         if (!user) {
+            throw new CustomError(402, "Id not a String");
+         }
+
+         return {
+            id: user.getId(),
+            name: user.getName(),
+            email: user.getEmail(),
+            role: user.getRole(),
+          };
+
+      } catch (error) {
+         throw new CustomError(error.statusCode, error.message)
+      }
+
+   }
+}
+
+export default new UserBusiness()

Semana19/Aula4/template-testes-backend/src/controller/UserController.ts

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+import { Request, Response } from "express";
+import userBusiness from "../business/UserBusiness";
+import UserDatabase from "../data/UserDatabase";
+
+export class UserController {
+
+   public async signup(req: Request, res: Response) {
+      try {
+         const { name, role, email, password } = req.body
+         const result = await userBusiness.signup(
+            name,
+            email,
+            password,
+            role
+         );
+         res.status(200).send(result);
+      } catch (error) {
+         const { statusCode, message } = error
+         res.status(statusCode || 400).send({ message });
+      }
+   }
+
+   public async login(req: Request, res: Response) {
+      try {
+         const { email, password } = req.body
+         const result = await userBusiness.login(email, password);
+         res.status(200).send(result);
+      } catch (error) {
+         const { statusCode, message } = error
+         res.status(statusCode || 400).send({ message });
+      }
+   }
+
+   public async profile(req: Request, res: Response) {
+      try {
+
+         const id = req.params.id         
+         const result = await userBusiness.getUserById(id)
+         console.log(result)
+         res.status(200).send(result)
+      } catch (error) {
+         const { statusCode, message } = error
+         res.status(statusCode || 400).send({ message });
+      }
+   }
+}
+
+export default new UserController()

Semana19/Aula4/template-testes-backend/src/data/BaseDatabase.ts

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+import dotenv from "dotenv";
+import knex from "knex";
+
+dotenv.config();
+
+export default class BaseDataBase {
+
+   protected static connection: knex = 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
+      },
+   });
+
+   public static async destroyConnection(): Promise<void> {
+      await BaseDataBase.connection.destroy();
+   }
+}

Semana19/Aula4/template-testes-backend/src/data/UserDatabase.ts

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+import BaseDataBase from "./BaseDatabase";
+import { User } from "../model/User";
+
+export class UserDatabase extends BaseDataBase {
+
+   protected tableName: string = "UserSemana19";
+
+   private toModel(dbModel?: any): User | undefined {
+      return (
+         dbModel &&
+         new User(
+            dbModel.id,
+            dbModel.name,
+            dbModel.email,
+            dbModel.password,
+            dbModel.role
+         )
+      );
+   }
+
+   public async createUser(user: User): Promise<void> {
+      try {
+         await BaseDataBase.connection.raw(`
+            INSERT INTO ${this.tableName} (id, name, email, password, role)
+            VALUES (
+            '${user.getId()}', 
+            '${user.getName()}', 
+            '${user.getEmail()}',
+            '${user.getPassword()}', 
+            '${user.getRole()}'
+            )`
+         );
+      } catch (error) {
+         throw new Error(error.sqlMessage || error.message)
+      }
+   }
+
+   public async getUserByEmail(email: string): Promise<User | undefined> {
+      try {
+         const result = await BaseDataBase.connection.raw(`
+            SELECT * from ${this.tableName} WHERE email = '${email}'
+         `);
+         return this.toModel(result[0][0]);
+      } catch (error) {
+         throw new Error(error.sqlMessage || error.message)
+      }
+   }
+
+   public async getUserById(id: string): Promise<User | undefined> {
+      try {
+         const result = await BaseDataBase.connection.raw(`
+            SELECT * from ${this.tableName} WHERE id = '${id}'
+         `);
+         return this.toModel(result[0][0]);
+      } catch (error) {
+         throw new Error(error.sqlMessage || error.message)
+      }
+   }
+
+   public async getAllUsers(): Promise<User[]> {
+      try {
+         const result = await BaseDataBase.connection.raw(`
+            SELECT * from ${this.tableName}
+         `);
+         return result[0].map((res: any) => {
+            return this.toModel(res);
+         });
+      } catch (error) {
+         throw new Error(error.sqlMessage || error.message)
+      }
+   }
+}
+
+export default new UserDatabase()

Semana19/Aula4/template-testes-backend/src/errors/CustomError.ts

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+export class CustomError extends Error {
+   constructor(
+      public statusCode: number,
+      message: string
+   ) {
+      super(message);
+   }
+}

Semana19/Aula4/template-testes-backend/src/index.ts

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+import express from "express";
+import {AddressInfo} from "net";
+import { userRouter } from "./router/UserRouter";
+
+const app = express();
+
+app.use(express.json());
+
+app.use("/users", userRouter);
+
+const server = app.listen(3003, () => {
+  if (server) {
+    const address = server.address() as AddressInfo;
+    console.log(`Servidor rodando em http://localhost:${address.port}`);
+  } else {
+    console.error(`Falha ao rodar o servidor.`);
+  }
+});

Semana19/Aula4/template-testes-backend/src/model/User.ts

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+import { CustomError } from "../errors/CustomError";
+
+export class User {
+   constructor(
+      private id: string,
+      private name: string,
+      private email: string,
+      private password: string,
+      private role: USER_ROLES
+   ) { }
+
+   public getId(): string {
+      return this.id;
+   }
+
+   public getName(): string {
+      return this.name;
+   }
+
+   public getEmail(): string {
+      return this.email;
+   }
+
+   public getPassword(): string {
+      return this.password;
+   }
+
+   public getRole(): USER_ROLES {
+      return this.role;
+   }
+}
+
+export const stringToUserRole = (input: string): USER_ROLES => {
+   switch (input) {
+      case "NORMAL":
+         return USER_ROLES.NORMAL;
+      case "ADMIN":
+         return USER_ROLES.ADMIN;
+      default:
+         throw new CustomError(422, "Invalid user role");
+   }
+};
+
+export enum USER_ROLES {
+   NORMAL = "NORMAL",
+   ADMIN = "ADMIN",
+}

Semana19/Aula4/template-testes-backend/src/router/UserRouter.ts

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+import express from "express";
+import userController from "../controller/UserController";
+
+export const userRouter = express.Router();
+
+userRouter.post("/signup", userController.signup);
+userRouter.post("/login", userController.login);
+userRouter.get("/profile/:id", userController.profile);