Instagram API using GO

Design and Develop an HTTP JSON API capable of the following operations,

• Create an User
  • Should be a POST request
  • Use JSON request body
  • URL should be ‘/users'
• Get a user using id
  • Should be a GET request
  • Id should be in the url parameter
  • URL should be ‘/users/’
• Create a Post
  • Should be a POST request
  • Use JSON request body
  • URL should be ‘/posts'
• Get a post using id
  • Should be a GET request
  • Id should be in the url parameter
  • URL should be ‘/posts/’
• List all posts of a user
  • Should be a GET request
  • URL should be ‘/posts/users/'

JSON API created

controllers

• getConnection handles connecting to the DB
• createUser creats the user and pushing the user to DB
• handleCreateUser handles the creating of the user and showing the Id as res
• createPost creates the Post and push to the DB
• handleCreatePost handles the createPost and shows the Id as res
• getUser gets the user id and name from the DB and takes the :userId as param
• getPost gets the post complete information saved in the DB and takes :postId as param
• listPost lists all the posts created by the user and takes :userId as param

Two models

• Users
• Posts

MongoDB

• instagram
  • posts
    • _id
    • caption
    • author
    • PostedTimeStamp
  • users
    • _id
    • name
    • email
    • password (hashed)

Testing the API endpoints and there result

On Postman Testing results

1. 
2. 
3. 
4. 

Pagination has been used in the listPost and gives 2 posts for each page
Passwords are hashed before it is saved in the DB (using bcrypt)