// Require path
var path = require("path");
// Require epxress and create express app
var express = require("express");
var app = express();
// Require body-parser to be able to send POST data
var bodyParser = require("body-parser");
app.use(bodyParser.urlencoded( {extended: true} ));
// Link to mongoose.js
require("./server/config/mongoose.js");
// Link to routes.js and pass in "app" variable
require("./server/config/routes.js")(app);
// Static content
app.use(express.static(path.join(__dirname + "/client/static")));
// Set up views directory & ejs
app.set("views", path.join(__dirname + "/views"));
app.set("view engine", "ejs");
// Listen on port 8000
app.listen(8000, function() {
console.log("Node.js is running on port 8000");
});
MongooseJS: /config/mongoose.js
// Require mongoose
var mongoose = require("mongoose");
// Require file-system so we can load, ready, require
// all of the model files
var fs = require("fs");
// Connect to "animals" DB
mongoose.connect("mongodb://localhost/animals");
// Specify the path to all of the models
var modelsPath = __dirname + "/../models";
// Read all of the files in the modelsPath AND
// for each one check if it is a javascript file
// before requiring it
fs.readdirSync(modelsPath).forEach(function(file) {
if(file.indexOf(".js") > 0) {
require(modelsPath + "/" + file);
}
});
Routes: /config/routes.js
// Show export to "animalsController" controller
var showanimals = require("../controllers/showanimals.js");
// Pass routes from this file to server.js
module.exports = function(app) {
// Home page
app.get("/", function(req, res) {
showanimals.show(req, res);
});
// Form page to add new animals
// to MongoDB collection
app.get("/mongooses/new", function(req, res){
showanimals.newanimalform(req, res);
});
// Show a single animal
app.get("/mongooses/:id", function(req, res) {
showanimals.showSingleAnimal(req, res);
});
// Update a single animal
app.get("/mongooses/:id/edit", function(req, res) {
showanimals.updateSingleAnimal(req, res);
});
// Route to add an animal to DB
app.post("/mongooses", function(req, res) {
showanimals.addanimal(req, res);
});
// Route to update a single
// animal document
app.post("/mongooses/:id", function(req, res) {
showanimals.executeUpdateAnimal(req, res);
});
// Route to delete a single
// animal document
app.get("/mongooses/:id/destroy", function(req, res) {
showanimals.deleteAnimal(req, res);
});
}
Controller: /controllers/showanimals.js
// Require mongoose
var mongoose = require("mongoose");
// Load models by name
var Animal = mongoose.model("Animal");
var AddAnimal = mongoose.model("AddAnimal");
var UpdateAnimal = mongoose.model("UpdateAnimal");
// Create a controller object to use for export
var showanimalsController = {};
// Call the "show" method for the controller object
showanimalsController.show = function(req, res) {
Animal.find({}).exec(function (err, animals) {
if (err) {
console.log("Error:", err);
}
else {
res.render("../client/views/index", {animals: animals});
}
});
};
// Go to form to add a new animal to
// the MongoDB "animals" collection
showanimalsController.newanimalform = function(req, res) {
res.render("../client/views/new");
};
// Add a new animal into the MongoDB
// the MongoDB "animals" collection
showanimalsController.addanimal = function(req, res) {
// Create a new "animal" object
// to save
var animal = new Animal(req.body);
// Save a single animal into MongoDB
animal.save(function(err) {
// Show form data posted
//console.log("POST DATA", req.body);
if(err) {
console.log("Animal not added to 'animals' collection.");
res.render("/mongooses/new");
}
else {
console.log("Successfully updated an animal.");
res.redirect("/");
}
});
};
// Show a single animal
showanimalsController.showSingleAnimal = function(req, res) {
// Show one "animal" document based
// on said document's "_id"
Animal.findOne({_id: req.params.id}, function(err, animal) {
res.render("../client/views/animal", {animal: animal});
});
};
// Update single animal document
showanimalsController.updateSingleAnimal = function(req, res) {
Animal.findOne({_id: req.params.id}, function(err, animal) {
console.log("Edit an animal");
res.render("../client/views/editanimal", {animal: animal});
});
};
// Update a single animal name controller method
showanimalsController.executeUpdateAnimal = function(req, res) {
// Update a single animal
Animal.update({_id: req.params.id}, {$set: {name: req.body.name} }, function(err) {
// If error exists display it
if(err) {
console.log("Update Animal Error:", err);
}
// Else update a single animal name
else {
console.log("New Animal Name:", req.body.name);
res.redirect("/");
}
});
};
// Delete a single animal document method
showanimalsController.deleteAnimal = function(req, res) {
// Delete a single animal document
// and redirect to the home page
Animal.remove({_id: req.params.id}, function(err) {
// If error exists display it
if(err) {
console.log("Delete Animal Error", err);
}
else {
console.log("Animal deleted!");
res.redirect("/");
}
});
};
module.exports = showanimalsController;
Model: /models/showanimal.js
// Require mongoose
var mongoose = require("mongoose");
// Create new schemas for
// CRUD animals into/from database
var AnimalSchema = new mongoose.Schema({
name: String,
updated_at: {type: Date, default: Date.now}
});
// Schema for adding animals into database
var AddAnimalSchema = new mongoose.Schema({
name: String,
updated_at: {type: Date, default: Date.now}
});
// Schema for updating a single animal
var UpdateAnimalSchema = new mongoose.Schema({
name: String,
updated_at: {type: Date, default: Date.now}
});
// Connect my collection and model schemas
mongoose.model("Animal", AnimalSchema);
mongoose.model("AddAnimal", AddAnimalSchema);
mongoose.model("UpdateAnimal", UpdateAnimalSchema);
View to Show All Animals from MongoDB animals Collection: /client/views/index.ejs
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Mongoose Dashboard</title>
<link rel="stylesheet" type="text/css" href="css/styles.css"/>
</head>
<body>
<div id="wrapper">
<h1>Show all Documents in <em>animals</em> MongoDB</h1>
<ul>
<% for(var i = animals.length -1; i > -1; i--) {%>
<li><strong>Name:</strong> <a href="mongooses/<%= animals[i]._id %>"><%= animals[i].name %></a></li>
<% } %>
</ul>
<p><a href="mongooses/new">Insert New Animal into Database</a></p>
</div>
</body>
</html>
View to Add (Create) an Animal Into Collection: /client/views/new.ejs
<div id="wrapper">
<h1>Insert a New Animal into the <em>animals</em> MongoDB</h1>
<form action="/mongooses" method="post">
<p><label for="name">Animal Name: </label><input type="text" name="name"/></p>
<p><input type="submit" value="Submit"/></p>
</form>
<p><a href="/">Go Home</a></p>
</div>
View to Show a Single Animal Document: /client/views/animal.ejs
