Instructions: Go to url https://repl.it/@AhmadFaizal/PES Login and open the repo Do the Solve below mentioned problem statement and save Share the link after you edit (when you edit and save it will create a fork of repo into your directory and hence will have a different url) Problem statement: Create Following model structure and add admin Model Class (Tables) User - user default Django User Author - Custom Model bellow are fields and its type name - char with max length 25 address - text Book - Custom Model bellow are fields and its type title - char with max length 100 description - text count - positive integer subscription_cost - positive integer topic - char with max length 20 author - array of reference to Author Subscriber - Custom Model bellow are fields and its type user - reference to User table address - text phone - phone number Subscription - Custom Model bellow are fields and its type subscriber - reference to Subscriber table book - reference to Book table borrowed_date - date( date of creaton) amount_paid - positive integer days - positive integer returned - Boolean Create Django rest API List, Detailed, create, update, and delete view for all the above Models including User model Create following APIs: List all books of specific author that are available in the library List all books given a topic (match topic case insensitive way) List all Subscribers who didn’t return (returned=False) who’s subscription expired (expiry = borrowed_date + days) Add attribute due_amount in Subscription detailed view (due_amount=(Book. subscription_cost[ ] Subscription.days) - Subscription.amount_paid) Make sure can add subscription only if there is book in library (books in library = Book.count – subscription of book that are not returned)