News Feed

A news feed for your social networking application

• Users can create Posts which are shared with followers
• Posts can contain text and media
• Users can also like and comment on a post
• News Feed of followers are created when user creates a post
• Ranking of posts in feed is based on parameters such as : Likes count, Comments count, time of post and distance of post from user.

API Docs - http://jatin.work/#/news-feed/swagger-ui

Postman Collection - https://www.postman.com/warped-crater-862837/workspace/news-feed/collection/13803448-95027502-7e8c-45b1-8c7a-3faf165d7815

High Level Diagram

Ranking Algorithm

• Inspired by Reddit's hot algorithm
• As time goes by, newer posts will have a higher score.
• Number of likes and comments have a logarithmic effect on score
• Here, y is always positive

Database Schema

Environment Variables

• MYSQL_PASSWORD
• NEO4J_PASSWORD
• AWS_ACCESS_KEY_ID
• AWS_SECRET_ACCESS_KEY
• AWS_DEFAULT_REGION