161 lines
No EOL
4 KiB
PHP
161 lines
No EOL
4 KiB
PHP
<?php namespace BookStack\Repos;
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use Activity;
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use Illuminate\Support\Str;
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use BookStack\Chapter;
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class ChapterRepo
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{
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protected $chapter;
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/**
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* ChapterRepo constructor.
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* @param $chapter
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*/
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public function __construct(Chapter $chapter)
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{
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$this->chapter = $chapter;
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}
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/**
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* Check if an id exists.
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* @param $id
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* @return bool
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*/
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public function idExists($id)
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{
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return $this->chapter->where('id', '=', $id)->count() > 0;
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}
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/**
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* Get a chapter by a specific id.
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* @param $id
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* @return mixed
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*/
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public function getById($id)
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{
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return $this->chapter->findOrFail($id);
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}
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/**
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* Get all chapters.
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* @return \Illuminate\Database\Eloquent\Collection|static[]
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*/
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public function getAll()
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{
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return $this->chapter->all();
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}
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/**
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* Get a chapter that has the given slug within the given book.
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* @param $slug
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* @param $bookId
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* @return mixed
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*/
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public function getBySlug($slug, $bookId)
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{
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$chapter = $this->chapter->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
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if ($chapter === null) abort(404);
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return $chapter;
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}
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/**
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* Create a new chapter from request input.
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* @param $input
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* @return $this
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*/
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public function newFromInput($input)
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{
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return $this->chapter->fill($input);
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}
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/**
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* Destroy a chapter and its relations by providing its slug.
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* @param Chapter $chapter
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*/
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public function destroy(Chapter $chapter)
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{
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if (count($chapter->pages) > 0) {
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foreach ($chapter->pages as $page) {
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$page->chapter_id = 0;
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$page->save();
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}
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}
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Activity::removeEntity($chapter);
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$chapter->views()->delete();
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$chapter->delete();
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}
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/**
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* Check if a chapter's slug exists.
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* @param $slug
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* @param $bookId
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* @param bool|false $currentId
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* @return bool
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*/
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public function doesSlugExist($slug, $bookId, $currentId = false)
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{
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$query = $this->chapter->where('slug', '=', $slug)->where('book_id', '=', $bookId);
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if ($currentId) {
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$query = $query->where('id', '!=', $currentId);
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}
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return $query->count() > 0;
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}
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/**
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* Finds a suitable slug for the provided name.
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* Checks database to prevent duplicate slugs.
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* @param $name
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* @param $bookId
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* @param bool|false $currentId
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* @return string
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*/
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public function findSuitableSlug($name, $bookId, $currentId = false)
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{
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$slug = Str::slug($name);
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while ($this->doesSlugExist($slug, $bookId, $currentId)) {
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$slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
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}
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return $slug;
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}
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/**
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* Get chapters by the given search term.
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* @param $term
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* @param array $whereTerms
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* @return mixed
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*/
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public function getBySearch($term, $whereTerms = [])
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{
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$terms = explode(' ', preg_quote(trim($term)));
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$chapters = $this->chapter->fullTextSearch(['name', 'description'], $terms, $whereTerms);
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$words = join('|', $terms);
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foreach ($chapters as $chapter) {
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//highlight
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$result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $chapter->getExcerpt(100));
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$chapter->searchSnippet = $result;
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}
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return $chapters;
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}
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/**
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* Changes the book relation of this chapter.
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* @param $bookId
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* @param Chapter $chapter
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* @return Chapter
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*/
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public function changeBook($bookId, Chapter $chapter)
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{
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$chapter->book_id = $bookId;
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foreach ($chapter->activity as $activity) {
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$activity->book_id = $bookId;
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$activity->save();
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}
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$chapter->slug = $this->findSuitableSlug($chapter->name, $bookId, $chapter->id);
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$chapter->save();
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return $chapter;
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}
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} |