Praticando NOdeJS

Author: ElvisFelix-dev

.gitignore

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+node_modules
+yarn.lock

insomnia

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+Subproject commit aee9add9d208142b1813d789917c6bd62b8fb4bf

package.json

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+{
+  "name": "backend",
+  "version": "1.0.0",
+  "main": "src/index.js",
+  "license": "MIT",
+  "scripts": {
+    "dev": "nodemon"
+  },
+  "dependencies": {
+    "express": "^4.17.1",
+    "uuidv4": "^6.2.3"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.4"
+  }
+}

src/index.js

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+const express = require('express');
+const { uuid, isUuid } = require('uuidv4');
+
+const app = express();
+
+app.use(express.json());
+
+const projects = [];
+
+function logRequests(request, response, next) {
+    const { method, url } = request;
+
+    const logLabel = `[${method.toUpperCase()}] ${url}`;
+
+    console.time(logLabel);
+
+    next();
+
+    console.timeEnd(logLabel)
+}
+
+function validateProjectId(request, response, next) {
+    const { id } = request.params;
+
+    if (!isUuid(id)) {
+        return response.status(400).json({ error:'Invalid project ID' })
+    }
+}
+
+app.use(logRequests)
+app.use('/projects/:id', validateProjectId);
+
+app.get('/projects', (request, response) =>{
+
+    const { title } = request.query;
+
+    const results = title 
+
+    ? projects.filter(project => project.title.includes(title))
+    : projects;
+    
+
+    return response.json(results);
+});
+
+app.post('/projects', (request, response) => {
+
+    const { title, owner } = request.body;
+
+    const project = { id: uuid(), title, owner }
+
+    projects.push(project);
+    
+
+    return response.json(project)
+})
+
+app.put('/projects/:id', (request, response) => {
+
+    const { id } = request.params;
+    const { title, owner } = request.body;
+
+    const projectIndex = projects.findIndex(project => project.id === id);
+
+    if (projectIndex < 0) {
+        return response.status(400).json({ error: 'Project not found' })
+    }
+
+    const project = {
+        id,
+        title,
+        owner,
+    }
+
+    projects[projectIndex] = project
+
+    return response.json(project)
+})
+
+app.delete('/projects/:id', (request, response) => {
+
+    const { id } = request.params;
+
+    const projectIndex = projects.findIndex(project => project.id === id);
+
+    if (projectIndex < 0) {
+        return response.status(400).json({ error: 'Project not found' })
+    }
+
+    projects.splice(projectIndex, 1);
+
+    return response.status(200).send();
+})
+
+
+app.listen(3333, ()=> {
+    console.log('🚀 back-end started!')
+});