Sequelize ORM #2 CRUD/API básicos

Author: Royer Reyes León

.gitignore

@@ -0,0 +1 @@
+node_modules

app.js

@@ -1,28 +1,25 @@
 const express = require('express')
 const app = express();
 const sequelize = require('./database/db');
-const User = require('./database/models/Users');
+// const User = require('./database/models/Users');
 
 // CONFIGURACION
-const port = process.env.PORT || 3006
+const port = process.env.PORT || 3006;
+
+
+// MIDDLEWARE
+app.use(express.json()); // PARA PODER RECIBIR DATOS EN FORMATO JSON.
+app.use(express.urlencoded({extended:false})); // PARA PODER PASAR DATOS LIVIANOS.
 
 
 
 // RUTAS
-app.get('/insertar' , (req , res)=>{
-   User.create({
-       name:"Royer",
-       birthday: new Date(1997, 11, 16)
-   }).then(user => {
-       res.json(user);
-   });
-})
-
-app.get('/listar' , (req , res)=>{
-    User.findAll().then(users => {
-        res.json(users);
-    });
- })
+app.get('/' , (req , res)=>{
+   res.json("Hola mundo");
+});
+
+app.use('/api/posts', require('./routes/posts'));
+
 
 
 

database/models/Post.js

@@ -0,0 +1,15 @@
+const { Model, DataTypes } = require('sequelize');
+const sequelize = require('../db');
+
+// CREAMOS EL MODELO Y CADA UNO DE SUS ATRIBUTOS CON SUS TIPOS DE DATOS
+class Post extends Model {}
+Post.init({
+  // ATRIBUTOS
+  title: DataTypes.STRING,
+  body: DataTypes.TEXT,
+}, {
+    sequelize,
+    modelName: 'post' // TABLA DE BD.
+});
+
+module.exports = Post;

routes/posts.js

@@ -0,0 +1,104 @@
+const { Router } = require("express");
+const { destroy } = require("./../database/models/Post");
+const router = Router();
+// REQUERIR EL MODELO
+// const Post = require('./../database/models/Post');
+const Post = require('./../database/models/Post');
+
+
+
+// RETORNAR TODOS
+/*
+http://localhost:3006/api/posts
+*/
+router.get('/' , (req , res)=>{
+
+    Post.findAll().then(posts => {
+        res.json(posts);
+    })
+
+});
+
+
+
+// RETORNAR SOLO UNO POR EL ID
+/*
+http://localhost:3006/api/posts/1
+*/
+router.get('/:id' , (req , res)=>{
+    Post.findByPk(req.params.id).then(post => {
+        res.json(post);
+    })
+});
+
+
+// CREAR
+/*
+http://localhost:3006/api/posts
+Content-Type application/json
+{
+    "title" : "Nuevo 2",
+    "body": "Nuevo desde post 2"
+}
+*/
+router.post('/' , (req , res)=>{
+
+    Post.create({
+        title: req.body.title,
+        body: req.body.body
+    }).then(post => {
+        res.json(post);
+    }).catch(error => {
+        console.log("Ocurrio error al guardar: ", error);
+        res.json({status: error})
+    })
+ 
+ });
+
+
+
+// ACTUALIZAR
+/*
+http://localhost:3006/api/posts/1
+Content-Type application/json
+{
+    "title" : "Nuevo 2",
+    "body": "Nuevo desde post 2"
+}
+*/
+router.patch('/:id' , (req , res)=>{
+
+    Post.update({
+        title: req.body.title,
+        body: req.body.body
+    },{
+        where: {
+            id: req.params.id
+        }
+    }).then(result => {
+        res.json(result);
+    });
+ 
+});
+
+
+
+// ELIMINAR
+/*
+http://localhost:3006/api/posts/1
+*/
+router.delete('/:id' , (req , res)=>{
+
+    Post.destroy({
+        where:{
+            id : req.params.id
+        }
+    }).then(result => {
+        res.json(result);
+    })
+
+});
+
+
+
+module.exports = router;