We have to develop an app where:

• Users
  • can log in and log out from their sessions.
  • can CRUD personal collections.
  • can CRUD books in their personal desk.
  • can Publish and UnPublish books into the global catalogue from their personal desk.
• Books:
  • can be read by anyone.
  • They have Title, Writer, Abstract and Chapter list.
  • Users can give stars to their favourites books.
  • Users can leave comments in the book (as an entity).
• Chapters:
  • can be read by anyone.
  • They have title, writer, publication date and creation date.
  • They also have Writer Warnings, body of text and Writer Start and End Notes.
  • Users can leave comments in each chapter
• Global Catalogue of books.
  • Books in the global catalogue can be read for everyone, not only logged users.
• Categories of books.
  • Categories can have zero or one parent category.
  • Categories can have zero or more children category.
  • A book can be into one or more categories.
• There are several kinds of tags:
  • Book-Tag: Tags for Books and about the characters, locations, epoch...
  • Reader-Tag: Tags for Users as Readers, about their selected preferences.
  • Writer-Tag: Tags for Users as Writers, about their selected preferences

• Login/SignUp Screen
• HomePage, catalogue and categories Screen
• Book Screen
• Chapter Screen
• User Profile Screen
• User desk screen

There is: Username input Password input login button

Username rules:

• Can't have spaces
• At least it must have 4 characters.
• Can't have more than 16 characters.
• Characters must be alphanumerics.