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@RizkyRajitha
Created Mar 20, 2020
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const express = require("express");
const app = express();
const port = process.env.PORT || 3001;
const bodyParser = require("body-parser");
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
const User = require("./models/user"); // import our declared schema from models folder
const mongoose = require("mongoose"); // import mongoose
mongoose.Promise = global.Promise; // configure mongoose promises
app.use(require("morgan")("dev"));
const mongodbAPI = "mongodb://127.0.0.1:27017/mongoexpress"; // here we declare our database URL. we can use any name after instead of "mongoexpress" and it will automatically create database for us in that name
app.post("/adduser", (req, res) => {
var newUser = User({
// create a new user object and pass the formdata to the newUser . then call .save() method . it will return a promise .
email: req.body.email,
firstName: req.body.firstName,
lastName: req.body.lastName,
address: req.body.address,
Occupation: req.body.Occupation,
income: req.body.income
});
newUser
.save()
.then(doc => {
console.log(doc);
res.json(doc);
})
.catch(err => {
console.log(err);
res.send(err);
});
});
app.get("/viewusers", (req, res) => {
User.find({}) // find without any conditions will return all the documents in that collection
.then(docs => {
res.json(docs); // send documents
})
.catch(err => {
res.send(err);
});
});
app.post("/deletebyid", (req, res) => {
User.findByIdAndDelete(req.body.userid)
.then(result => {
res.json({ status: "ok", result: result });
})
.catch(err => {
console.log(err);
res.send(err);
});
});
app.post("/deletebyemail", (req, res) => {
User.deleteOne({ email: req.body.email })
.then(result => {
res.json({ status: "ok", result: result });
})
.catch(err => {
console.log(err);
res.send(err);
});
});
app.post("/updateuser", (req, res) => {
User.findByIdAndUpdate(req.body.userid, {
$set: {
firstName: req.body.firstName,
lastName: req.body.lastName,
address: req.body.address,
Occupation: req.body.Occupation,
income: req.body.income
}
})
.then(doc => {
res.json({ status: "ok", result: doc });
})
.catch(err => {
console.log(err);
res.send(err);
});
});
try {
// here we connect with MongoDB with the url we specified earlier
mongoose.connect(
mongodbAPI,
{ useNewUrlParser: true, useUnifiedTopology: true },
err => {
if (!err) console.log("connected to mongodb sucsessfully" + "👍");
console.log(err);
}
);
} catch (error) {
console.log(error);
}
app.listen(port, () => {
console.log("listning on " + port);
});
User.findOneAndDelete
const mongoose = require("mongoose"); //import mongoose
var Schema = mongoose.Schema; // declare a new schema
var userSchema = new Schema({
email: {
// here we are adding attributes to our declared schema
type: String, // in the options we have to give the type . and will can
unique: true // also add additional options , since email is unique we
// will create it as unique.
},
firstName: {
type: String
},
lastName: {
type: String
},
address: {
type: String
},
Occupation: {
type: String
},
income: {
type: Number
}
});
const User = mongoose.model("User", userSchema); // now we have to create our model
module.exports = User; // export our created model
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