BookStack/app/Book.php

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PHP
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<?php namespace BookStack;
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class Book extends Entity
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{
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protected $fillable = ['name', 'description', 'image_id'];
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/**
* Get the url for this book.
* @param string|bool $path
* @return string
*/
public function getUrl($path = false)
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{
if ($path !== false) {
return baseUrl('/books/' . urlencode($this->slug) . '/' . trim($path, '/'));
}
return baseUrl('/books/' . urlencode($this->slug));
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}
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/**
* Returns book cover image, if book cover not exists return default cover image.
* @param int $width - Width of the image
* @param int $height - Height of the image
* @return string
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*/
public function getBookCover($width = 440, $height = 250)
{
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$default = baseUrl('/book_default_cover.png');
if (!$this->image_id) {
return $default;
}
try {
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$cover = $this->cover ? baseUrl($this->cover->getThumb($width, $height, false)) : $default;
} catch (\Exception $err) {
$cover = $default;
}
return $cover;
}
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/**
* Get the cover image of the book
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
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public function cover()
{
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return $this->belongsTo(Image::class, 'image_id');
}
/*
* Get the edit url for this book.
* @return string
*/
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public function getEditUrl()
{
return $this->getUrl() . '/edit';
}
/**
* Get all pages within this book.
* @return \Illuminate\Database\Eloquent\Relations\HasMany
*/
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public function pages()
{
return $this->hasMany(Page::class);
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}
/**
* Get all chapters within this book.
* @return \Illuminate\Database\Eloquent\Relations\HasMany
*/
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public function chapters()
{
return $this->hasMany(Chapter::class);
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}
/**
* Get an excerpt of this book's description to the specified length or less.
* @param int $length
* @return string
*/
public function getExcerpt($length = 100)
{
$description = $this->description;
return strlen($description) > $length ? substr($description, 0, $length-3) . '...' : $description;
}
/**
* Return a generalised, common raw query that can be 'unioned' across entities.
* @return string
*/
public function entityRawQuery()
{
return "'BookStack\\\\Book' as entity_type, id, id as entity_id, slug, name, {$this->textField} as text,'' as html, '0' as book_id, '0' as priority, '0' as chapter_id, '0' as draft, created_by, updated_by, updated_at, created_at";
}
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}