Fix IOS App bug

App Bugs documentation 1. Facebook Login link not working 2. Twitter Login also not working 3. Before downloading the app needs to check whether the user is logged in with our database 4. When a user successfully made the payment for purchase the details of the purchase should be entered in the our database using the API. The below table shows the database structure of the table where the data will be stored after the user make success in the payment purchase_id Integer Auto increment, Primary purchase_user_id integer purchase_magazine_id integer purchase_magazine_cover_id integer purchase_date date purchase_transaction_id varchar(255) 5. The shelf should show only the logged in user’s purchase or subscription. Now the books are displayed what ever purchase are made on that device. 6. Now Books are being displayed from the local database and not from the our database. When an user is logged in and open the myself it should display all the purchased he made referring our database. App should check the local database and if the book not downloaded it should automatically download the book to that device