46 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?php
 | 
						|
 | 
						|
namespace BookStack\Entities\Tools;
 | 
						|
 | 
						|
use BookStack\Entities\Models\Book;
 | 
						|
use BookStack\Entities\Models\Bookshelf;
 | 
						|
 | 
						|
class ShelfContext
 | 
						|
{
 | 
						|
    protected $KEY_SHELF_CONTEXT_ID = 'context_bookshelf_id';
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the current bookshelf context for the given book.
 | 
						|
     */
 | 
						|
    public function getContextualShelfForBook(Book $book): ?Bookshelf
 | 
						|
    {
 | 
						|
        $contextBookshelfId = session()->get($this->KEY_SHELF_CONTEXT_ID, null);
 | 
						|
 | 
						|
        if (!is_int($contextBookshelfId)) {
 | 
						|
            return null;
 | 
						|
        }
 | 
						|
 | 
						|
        /** @var Bookshelf $shelf */
 | 
						|
        $shelf = Bookshelf::visible()->find($contextBookshelfId);
 | 
						|
        $shelfContainsBook = $shelf && $shelf->contains($book);
 | 
						|
 | 
						|
        return $shelfContainsBook ? $shelf : null;
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Store the current contextual shelf ID.
 | 
						|
     */
 | 
						|
    public function setShelfContext(int $shelfId)
 | 
						|
    {
 | 
						|
        session()->put($this->KEY_SHELF_CONTEXT_ID, $shelfId);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Clear the session stored shelf context id.
 | 
						|
     */
 | 
						|
    public function clearShelfContext()
 | 
						|
    {
 | 
						|
        session()->forget($this->KEY_SHELF_CONTEXT_ID);
 | 
						|
    }
 | 
						|
}
 |