75 lines
1.9 KiB
PHP
75 lines
1.9 KiB
PHP
<?php namespace BookStack\Entities\Models;
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use BookStack\Entities\Models\BookChild;
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use BookStack\Entities\Models\Page;
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use Illuminate\Support\Collection;
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/**
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* Class Chapter
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* @property Collection<Page> $pages
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*/
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class Chapter extends BookChild
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{
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public $searchFactor = 1.3;
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protected $fillable = ['name', 'description', 'priority', 'book_id'];
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protected $hidden = ['restricted', 'pivot'];
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/**
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* Get the pages that this chapter contains.
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* @param string $dir
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* @return mixed
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*/
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public function pages($dir = 'ASC')
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{
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return $this->hasMany(Page::class)->orderBy('priority', $dir);
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}
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/**
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* Get the url of this chapter.
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* @param string|bool $path
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* @return string
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*/
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public function getUrl($path = false)
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{
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$bookSlug = $this->getAttribute('bookSlug') ? $this->getAttribute('bookSlug') : $this->book->slug;
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$fullPath = '/books/' . urlencode($bookSlug) . '/chapter/' . urlencode($this->slug);
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if ($path !== false) {
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$fullPath .= '/' . trim($path, '/');
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}
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return url($fullPath);
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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(int $length = 100)
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{
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$description = $this->text ?? $this->description;
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return mb_strlen($description) > $length ? mb_substr($description, 0, $length-3) . '...' : $description;
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}
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/**
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* Check if this chapter has any child pages.
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* @return bool
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*/
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public function hasChildren()
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{
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return count($this->pages) > 0;
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}
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/**
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* Get the visible pages in this chapter.
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*/
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public function getVisiblePages(): Collection
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{
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return $this->pages()->visible()
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->orderBy('draft', 'desc')
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->orderBy('priority', 'asc')
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->get();
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}
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}
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