Linked Bookshelf to Specific User and Added Delete Button

[EiSimp]

• Bookshelf.java:

  • Added user association to Bookshelf model
  • Introduced userId column to store user identifier
  • Created ManyToOne relationship with User entity to add a foreign key constraint
  • Added getters and setters for userId and user fields

• BookshelfRepository.java:

  • Added findByUserId method to BookshelfRepository
  • Allows fetching bookshelves associated with a specific user

• BookshelfService.java:

  • Added UserRepository to BookshelfService
  • Updated createBookshelf method to associate created bookshelf with the current user
  • Introduced getCurrentUser method to retrieve the authenticated user
  • Added getAllBookshelvesByUser method to fetch bookshelves for the current user
  • Removed generic getAllBookshelves method

• JavaScript (bookshelf operations):

  • Added delete bookshelf functionality in frontend
  • Added delete button element to handle bookshelf deletion
  • Implemented event listener for delete button click with confirmation
  • Integrated CSRF token handling for secure delete requests
  • Updated DOM manipulation to remove deleted bookshelf from library view
  • Added error handling for delete operation
  • Removed excessive renaming and deleting function.

• homepage.html:

  • Added delete bookshelf button with warning message to homepage
  • Updated layout to include the new delete button within existing button container

• bookshelf.css:

  • Optimized existing CSS code for performance and readability
  • Added styles for new delete button and related elements