add code

Author: kshitij soni

app/config/db.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+  HOST: "127.0.0.1",
+  USER: "root",
+  PASSWORD: "root",
+  DB: "expense",
+  dialect: "mysql",
+  freezeTableName: true,
+  pool: {
+    max: 5,
+    min: 0,
+    acquire: 30000,
+    idle: 10000
+  }
+};

app/controllers/expenseuser.controller.js

@@ -0,0 +1,44 @@
+const db = require("../models");
+const ExpenseUser = db.expenseuser;
+const Op = db.Sequelize.Op;
+
+// Retrieve all Tutorials from the database.
+exports.findAll = (req, res) => {
+  const { page, size, title } = req.query;
+  var condition = title ? { name: { [Op.like]: `%${title}%` } } : null;
+
+  const { limit, offset } = getPagination(page, size);
+
+  ExpenseUser.findAndCountAll({
+    where: condition,
+    limit,
+    offset,
+    attributes: ["id", "name",'address','created'],
+  })
+    .then((data) => {
+      const response = getPagingData(data, page, limit);
+      res.send(response);
+    })
+    .catch((err) => {
+      res.status(500).send({
+        message:
+          err.message || "Some error occurred while retrieving tutorials.",
+      });
+    });
+};
+
+
+const getPagination = (page, size) => {
+  const limit = size ? +size : 1;
+  const offset = page ? page * limit : 0;
+
+  return { limit, offset };
+};
+
+const getPagingData = (data, page, limit) => {
+  const { count: totalItems, rows: tutorials } = data;
+  const currentPage = page ? +page : 0;
+  const totalPages = Math.ceil(totalItems / limit);
+
+  return { totalItems, tutorials, totalPages, currentPage };
+};

app/models/expenseuser.model.js

@@ -0,0 +1,31 @@
+module.exports = (sequelize,Sequelize) => {
+    const ExpenseName = sequelize.define("r_expense_user", {
+      name: {
+        type: Sequelize.STRING
+      },
+      email: {
+        type: Sequelize.STRING
+      },
+      phone: {
+        type: Sequelize.STRING
+      },
+      address: {
+        type: Sequelize.STRING
+      },
+      token: {
+        type: Sequelize.STRING
+      },
+      status: {
+        type: Sequelize.BOOLEAN
+      },
+      type: {
+        type: Sequelize.BOOLEAN
+      },
+      created: {
+        type: Sequelize.DATE
+      },
+    },{tableName : 'r_expense_user'});
+  
+    return ExpenseName;
+  };
+  

app/models/index.js

@@ -0,0 +1,27 @@
+const dbConfig = require("../config/db.config.js");
+
+const Sequelize = require("sequelize");
+const sequelize = new Sequelize(dbConfig.DB, dbConfig.USER, dbConfig.PASSWORD, {
+  host: dbConfig.HOST,
+  dialect: dbConfig.dialect,
+  operatorsAliases: 0,
+  define: {
+    "timestamps": false
+  },
+  freezeTableName: true,
+  logging:true,
+  pool: {
+    max: dbConfig.pool.max,
+    min: dbConfig.pool.min,
+    acquire: dbConfig.pool.acquire,
+    idle: dbConfig.pool.idle
+  }
+});
+
+const db = {};
+
+db.Sequelize = Sequelize;
+
+db.expenseuser = require("./expenseuser.model.js")(sequelize,Sequelize);
+
+module.exports = db;

app/routes/turorial.routes.js

@@ -0,0 +1,7 @@
+module.exports = (app) => {
+  const expense_user = require("../controllers/expenseuser.controller.js");
+  var router = require("express").Router();
+  router.get("/parties", expense_user.findAll);
+  app.use("/api", router);
+  app.use("*", (req, res) => res.status(404).json({ error: "not found" }));
+};

package.json

@@ -0,0 +1,28 @@
+{
+  "name": "js-express-sequelize-mysql",
+  "version": "1.0.0",
+  "description": "Node.js Rest Apis with Express, Sequelize pagination & MySQL.",
+  "main": "server.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "node",
+    "js",
+    "express",
+    "sequelize",
+    "pagination",
+    "mysql",
+    "rest",
+    "api"
+  ],
+  "author": "stemword",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "cors": "^2.8.5",
+    "express": "^4.17.1",
+    "mysql2": "^2.1.0",
+    "sequelize": "^5.21.12"
+  }
+}

server.js

@@ -0,0 +1,21 @@
+const express = require("express");
+const bodyParser = require("body-parser");
+const cors = require("cors");
+
+const app = express();
+app.use(cors());
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({ extended: true }));
+
+const db = require("./app/models");
+app.get("/", (req, res) => {
+  res.json({ message: "Welcome to application." });
+});
+
+require("./app/routes/turorial.routes")(app);
+
+// set port, listen for requests
+const PORT = 4568;
+app.listen(PORT, () => {
+  console.log(`Server is running on port ${PORT}.`);
+});