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server.js
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server.js
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var express = require("express");
var path = require("path");
var bodyParser = require("body-parser");
var mongodb = require("mongodb");
var ObjectID = mongodb.ObjectID;
var BOOKS_COLLECTION = "books";
var app = express();
app.use(express.static(__dirname + "/public"));
app.use(bodyParser.json());
var db;
mongodb.MongoClient.connect('mongodb://Ketrin:[email protected]:17965/books', function (err, database) {
if (err) {
console.log(err);
process.exit(1);
}
db = database;
console.log("Database connection ready");
var server = app.listen(process.env.PORT || 8080, function () {
var port = server.address().port;
console.log("App now running on port", port);
});
});
function handleError(res, reason, message, code) {
console.log("ERROR: " + reason);
res.status(code || 500).json({"error": message});
}
app.get("/books", function(req, res) {
db.collection(BOOKS_COLLECTION).find({}).toArray(function(err, docs) {
if (err) {
handleError(res, err.message, "Failed to get books.");
} else {
res.status(200).json(docs);
}
});
});
app.post("/books", function(req, res) {
var newBook = req.body;
newBook.createDate = new Date();
if (!(req.body.bookTitle || req.body.authorsName)) {
handleError(res, "Invalid input", "You must specify at least Book Title and Authors Name.", 400);
}
db.collection(BOOKS_COLLECTION).insertOne(newBook, function(err, doc) {
if (err) {
handleError(res, err.message, "Failed to create new book.");
} else {
res.status(201).json(doc.ops[0]);
}
});
});
app.get("/books/:id", function(req, res) {
db.collection(BOOKS_COLLECTION).findOne({ _id: new ObjectID(req.params.id) }, function(err, doc) {
if (err) {
handleError(res, err.message, "Failed to get book");
} else {
res.status(200).json(doc);
}
});
});
app.put("/books/:id", function(req, res) {
var updateDoc = req.body;
delete updateDoc._id;
db.collection(BOOKS_COLLECTION).updateOne({_id: new ObjectID(req.params.id)}, updateDoc, function(err, doc) {
if (err) {
handleError(res, err.message, "Failed to update book");
} else {
res.status(204).end();
}
});
});
app.delete("/books/:id", function(req, res) {
db.collection(BOOKS_COLLECTION).deleteOne({_id: new ObjectID(req.params.id)}, function(err, result) {
if (err) {
handleError(res, err.message, "Failed to delete book");
} else {
res.status(204).end();
}
});
});