Web Crawler

It is a backend of an web application which accepts users input for URL and fetches crawled URLs

Tasks done:

1. Required
2. Good

Functionality Overview:

• Accepts a URL to be crawled alongwith isUserPaid status
• Checks for URL in cached URL data
• If available, return result
• Schedules queues depending upon user Paid status
• Retrives crawled data
• Displays a JSON object to user consisting of URLs
• Uses Colly Web Framework for crawling logic
• Uses goroutines alongwith waitGroups
• Uses five goroutiens for paidUsers retrieving faster response
• Two goroutines are used for nonPaidUsers
• Uses mutex lock during writing in crawled data, queue,

Setup & Usage

Make sure you have Go installed in your local environment by running go in your terminal Install the Colly framework by using the command go get github.com/gocolly/colly Install necesssary dependencies by go install Run the server by go run main.go

Demo

https://drive.google.com/file/d/14zyUx4h_32uYs6t2zjMycnibYQBSIom7/view