BookStack/app/Repos/BookRepo.php

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<?php namespace Oxbow\Repos;
use Illuminate\Support\Str;
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use Oxbow\Book;
class BookRepo
{
protected $book;
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protected $pageRepo;
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/**
* BookRepo constructor.
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* @param Book $book
* @param PageRepo $pageRepo
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*/
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public function __construct(Book $book, PageRepo $pageRepo)
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{
$this->book = $book;
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$this->pageRepo = $pageRepo;
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}
public function getById($id)
{
return $this->book->findOrFail($id);
}
public function getAll()
{
return $this->book->all();
}
public function getBySlug($slug)
{
return $this->book->where('slug', '=', $slug)->first();
}
public function newFromInput($input)
{
return $this->book->fill($input);
}
public function countBySlug($slug)
{
return $this->book->where('slug', '=', $slug)->count();
}
public function destroyBySlug($bookSlug)
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{
$book = $this->getBySlug($bookSlug);
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foreach($book->pages as $page) {
$page->delete();
}
foreach($book->chapters as $chapter) {
$chapter->delete();
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}
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$book->delete();
}
public function getNewPriority($book)
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{
$lastElem = $book->children()->pop();
return $lastElem ? $lastElem->priority + 1 : 0;
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}
public function doesSlugExist($slug, $currentId = false)
{
$query = $this->book->where('slug', '=', $slug);
if($currentId) {
$query = $query->where('id', '!=', $currentId);
}
return $query->count() > 0;
}
public function findSuitableSlug($name, $currentId = false)
{
$slug = Str::slug($name);
while($this->doesSlugExist($slug, $currentId)) {
$slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
}
return $slug;
}
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}