48 lines
1.2 KiB
PHP
48 lines
1.2 KiB
PHP
<?php namespace BookStack;
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class Chapter extends Entity
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{
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protected $fillable = ['name', 'description', 'priority', 'book_id'];
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/**
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* Get the book this chapter is within.
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* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
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*/
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public function book()
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{
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return $this->belongsTo(Book::class);
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}
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/**
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* Get the pages that this chapter contains.
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* @return mixed
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*/
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public function pages()
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{
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return $this->hasMany(Page::class)->orderBy('priority', 'ASC');
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}
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/**
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* Get the url of this chapter.
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* @return string
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*/
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public function getUrl()
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{
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$bookSlug = $this->getAttribute('bookSlug') ? $this->getAttribute('bookSlug') : $this->book->slug;
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return '/books/' . $bookSlug. '/chapter/' . $this->slug;
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}
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/**
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* Get an excerpt of this chapter's description to the specified length or less.
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* @param int $length
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* @return string
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*/
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public function getExcerpt($length = 100)
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{
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$description = $this->description;
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return strlen($description) > $length ? substr($description, 0, $length-3) . '...' : $description;
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}
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}
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