PriceTracker

NodeJS based web service to track the price changes on newegg.com

System requirements

• NodeJS
• MongoDB

Features

• NodeJS based web service to track the price changes on newegg.com
• See a tracked product’s price history by inputting a URL
• (Optional) Sign up for price alerts
• (Optional) Compare price histories
• (Optional) See price history by category

Installing PriceTracker

Install Stuff

• Node.JS
• MongoDB
• Add the MongoDB directory to your PATH environment variable. MongoDB does not do this for you.
• Clone our project and use npm to install dependencies.

git clone https://github.com/cs580ice/PriceTracker.git <project_home>
cd <project_home>
npm install

Prepping MongoDB

cd <project_home>
mongo prep_mongodb.js

Import Test Data into MongoDB

cd <project_home>
mongoimport --db pricetrack --collection history --file samplehistory.json

Starting the Server

cd <project_home>
mongod --dbpath=<path_to_database_files>
npm start

Now you can access the web service via http://localhost:3000

Demo

Try searching for these products for a demo:

• https://www.newegg.com/Product/Product.aspx?Item=N82E16811235048.
• https://www.newegg.com/Product/Product.aspx?Item=N82E16834315672.
• https://www.newegg.com/Product/Product.aspx?Item=9SIA2F83PB2659.
• https://www.newegg.com/Product/Product.aspx?Item=N82E16820231826.

Development HOWTOs

Add new service(url mapping)

In web/server.js

app.get('/demo/:user', function(request, response) {
	response.send(request.params.user);
});

Try the new service http://localhost:3000/demo/InputAnythingYouWant

Different content format of a service

• For plain text: javascript response.send( 'hello world' );
• For JSON: javascript response.json( {message: 'hello world'} );
• For HTML: javascript response.render( '<template_name>', model );

Note: locate templates in web/views/