🚧 work in progress - labook

.gitignore

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+node_modules
+build
+.DS_Store
+*.db

package.json

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+{
+    "name": "arquitetura-revisao-template",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "scripts": {
+        "start": "node ./build/index.js",
+        "build": "tsc",
+        "dev": "ts-node-dev ./src/index.ts"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "devDependencies": {
+        "@types/cors": "^2.8.13",
+        "@types/express": "^4.17.15",
+        "@types/knex": "^0.16.1",
+        "@types/node": "^18.11.18",
+        "ts-node-dev": "^2.0.0",
+        "typescript": "^4.9.4"
+    },
+    "dependencies": {
+        "cors": "^2.8.5",
+        "express": "^4.18.2",
+        "knex": "^2.4.2",
+        "sqlite3": "^5.1.4"
+    }
+}

src/database/BaseDatabase.ts

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+import { knex } from "knex";
+
+export abstract class BaseDatabase {
+  protected static connection = knex({
+    client: "sqlite3",
+    connection: {
+      filename: "./src/database/projetoBack_End.db",
+    },
+    useNullAsDefault: true,
+    pool: {
+      min: 0,
+      max: 1,
+      afterCreate: (conn: any, cb: any) => {
+        conn.run("PRAGMA foreign_keys = ON", cb);
+      },
+    },
+  });
+}

src/database/projetoBack_End.sql

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+-- Active: 1682949688943@@127.0.0.1@3306
+CREATE TABLE users (
+    id TEXT PRIMARY KEY UNIQUE NOT NULL,
+    name TEXT NOT NULL,
+    email TEXT NOT NULL,
+    password TEXT NOT NULL,
+    created_at TEXT DEFAULT (DATETIME()) NOT NULL
+);
+
+CREATE TABLE
+    posts (
+        id TEXT PRIMARY KEY UNIQUE NOT NULL,
+        content TEXT NOT NULL,
+        likes INTEGER DEFAULT(0) NOT NULL,
+        dislikes INTEGER DEFAULT(0) NOT NULL,
+        created_at TEXT DEFAULT (DATETIME()) NOT NULL,
+        updated_at TEXT DEFAULT (DATETIME()) NOT NULL,
+        creator_id TEXT NOT NULL,
+        FOREIGN KEY (creator_id) REFERENCES users(id)
+    );
+    CREATE TABLE
+    likes_dislikes (
+        user_id TEXT NOT NULL,
+        post_id TEXT NOT NULL,
+        like INTEGER DEFAULT (0) NOT NULL,
+        FOREIGN KEY (user_id) REFERENCES users (id),
+        FOREIGN KEY (post_id) REFERENCES posts (id)
+    );
+
+SELECT * FROM users;
+
+SELECT * FROM posts;
+
+SELECT * FROM likes_dislikes;

src/errors/BadRequestError.ts

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+import { BaseError } from "./BaseError";
+
+export class BadRequestError extends BaseError {
+  constructor(message: string = "Dados inválidos") {
+    super(400, message);
+  }
+}

src/errors/BaseError.ts

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

src/errors/NotFoundError.ts

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+import { BaseError } from "./BaseError";
+
+export class NotFoundError extends BaseError {
+  constructor(
+    message: string = "Recurso não encontrado" // mensagem de erro padrão caso não seja enviado um argumento
+  ) {
+    super(404, message);
+  }
+}

src/index.ts

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+import express from "express";
+import cors from "cors";
+
+// import { userRouter } from "./router/userRouter";
+// import { accountRouter } from "./router/accountRouter";
+
+const app = express();
+
+app.use(cors());
+app.use(express.json());
+
+app.listen(3003, () => {
+  console.log(`Servidor rodando na porta ${3003}`);
+});

tsconfig.json

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+{
+    "compilerOptions": {
+        "target": "ES6",
+        "module": "commonjs",   
+        "sourceMap": true,       
+        "outDir": "./build",      
+        "rootDir": "./src",       
+        "removeComments": true,   
+        "noImplicitAny": true,      
+        "esModuleInterop": true,
+        "noEmitOnError": true,
+        "strict": true
+    }
+}