127 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
<?php
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namespace BookStack\Entities\Models;
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use BookStack\Uploads\Image;
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use Exception;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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use Illuminate\Database\Eloquent\Relations\BelongsToMany;
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use Illuminate\Database\Eloquent\Relations\HasMany;
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use Illuminate\Support\Collection;
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/**
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 * Class Book.
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 *
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 * @property string     $description
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 * @property int        $image_id
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 * @property Image|null $cover
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 */
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class Book extends Entity implements HasCoverImage
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{
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    public $searchFactor = 2;
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    protected $fillable = ['name', 'description'];
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    protected $hidden = ['restricted', 'pivot', 'image_id', 'deleted_at'];
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    /**
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     * Get the url for this book.
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     */
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    public function getUrl(string $path = ''): string
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    {
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        return url('/books/' . implode('/', [urlencode($this->slug), trim($path, '/')]));
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    }
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    /**
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     * Returns book cover image, if book cover not exists return default cover image.
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     *
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     * @param int $width  - Width of the image
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     * @param int $height - Height of the image
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     *
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     * @return string
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     */
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    public function getBookCover($width = 440, $height = 250)
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    {
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        $default = 'data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==';
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        if (!$this->image_id) {
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            return $default;
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        }
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        try {
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            $cover = $this->cover ? url($this->cover->getThumb($width, $height, false)) : $default;
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        } catch (Exception $err) {
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            $cover = $default;
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        }
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        return $cover;
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    }
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    /**
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     * Get the cover image of the book.
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     */
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    public function cover(): BelongsTo
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    {
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        return $this->belongsTo(Image::class, 'image_id');
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    }
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    /**
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     * Get the type of the image model that is used when storing a cover image.
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     */
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    public function coverImageTypeKey(): string
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    {
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        return 'cover_book';
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    }
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    /**
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     * Get all pages within this book.
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     *
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     * @return HasMany
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     */
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    public function pages()
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    {
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        return $this->hasMany(Page::class);
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    }
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    /**
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     * Get the direct child pages of this book.
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     *
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     * @return HasMany
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     */
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    public function directPages()
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    {
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        return $this->pages()->where('chapter_id', '=', '0');
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    }
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    /**
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     * Get all chapters within this book.
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     *
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     * @return HasMany
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     */
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    public function chapters()
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    {
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        return $this->hasMany(Chapter::class);
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    }
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    /**
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     * Get the shelves this book is contained within.
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     *
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     * @return BelongsToMany
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     */
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    public function shelves()
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    {
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        return $this->belongsToMany(Bookshelf::class, 'bookshelves_books', 'book_id', 'bookshelf_id');
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    }
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    /**
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     * Get the direct child items within this book.
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     *
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     * @return Collection
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     */
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    public function getDirectChildren(): Collection
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    {
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        $pages = $this->directPages()->visible()->get();
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        $chapters = $this->chapters()->visible()->get();
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        return $pages->concat($chapters)->sortBy('priority')->sortByDesc('draft');
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    }
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}
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