-<?php namespace Oxbow\Repos;
+<?php namespace BookStack\Repos;
-use Oxbow\Book;
+use Activity;
+use Illuminate\Support\Str;
+use BookStack\Book;
+use Views;
class BookRepo
{
protected $book;
+ protected $pageRepo;
+ protected $chapterRepo;
+ protected $restrictionService;
/**
* BookRepo constructor.
- * @param $book
+ * @param Book $book
+ * @param PageRepo $pageRepo
+ * @param ChapterRepo $chapterRepo
+ * @param RestrictionService $restrictionService
*/
- public function __construct(Book $book)
+ public function __construct(Book $book, PageRepo $pageRepo, ChapterRepo $chapterRepo, RestrictionService $restrictionService)
{
$this->book = $book;
+ $this->pageRepo = $pageRepo;
+ $this->chapterRepo = $chapterRepo;
+ $this->restrictionService = $restrictionService;
+ }
+
+ /**
+ * Base query for getting books.
+ * Takes into account any restrictions.
+ * @return mixed
+ */
+ private function bookQuery()
+ {
+ return $this->restrictionService->enforceBookRestrictions($this->book, 'view');
}
+ /**
+ * Get the book that has the given id.
+ * @param $id
+ * @return mixed
+ */
public function getById($id)
{
- return $this->book->findOrFail($id);
+ return $this->bookQuery()->findOrFail($id);
}
- public function getAll()
+ /**
+ * Get all books, Limited by count.
+ * @param int $count
+ * @return mixed
+ */
+ public function getAll($count = 10)
{
- return $this->book->all();
+ $bookQuery = $this->bookQuery()->orderBy('name', 'asc');
+ if (!$count) return $bookQuery->get();
+ return $bookQuery->take($count)->get();
}
+ /**
+ * Get all books paginated.
+ * @param int $count
+ * @return mixed
+ */
+ public function getAllPaginated($count = 10)
+ {
+ return $this->bookQuery()
+ ->orderBy('name', 'asc')->paginate($count);
+ }
+
+
+ /**
+ * Get the latest books.
+ * @param int $count
+ * @return mixed
+ */
+ public function getLatest($count = 10)
+ {
+ return $this->bookQuery()->orderBy('created_at', 'desc')->take($count)->get();
+ }
+
+ /**
+ * Gets the most recently viewed for a user.
+ * @param int $count
+ * @param int $page
+ * @return mixed
+ */
+ public function getRecentlyViewed($count = 10, $page = 0)
+ {
+ // TODO restrict
+ return Views::getUserRecentlyViewed($count, $page, $this->book);
+ }
+
+ /**
+ * Gets the most viewed books.
+ * @param int $count
+ * @param int $page
+ * @return mixed
+ */
+ public function getPopular($count = 10, $page = 0)
+ {
+ // TODO - Restrict
+ return Views::getPopular($count, $page, $this->book);
+ }
+
+ /**
+ * Get a book by slug
+ * @param $slug
+ * @return mixed
+ * @throws NotFoundException
+ */
public function getBySlug($slug)
{
- return $this->book->where('slug', '=', $slug)->first();
+ $book = $this->bookQuery()->where('slug', '=', $slug)->first();
+ if ($book === null) throw new NotFoundException('Book not found');
+ return $book;
}
- public function newFromInput($input)
+ /**
+ * Checks if a book exists.
+ * @param $id
+ * @return bool
+ */
+ public function exists($id)
{
- return $this->book->fill($input);
+ return $this->bookQuery()->where('id', '=', $id)->exists();
}
- public function countBySlug($slug)
+ /**
+ * Get a new book instance from request input.
+ * @param $input
+ * @return Book
+ */
+ public function newFromInput($input)
{
- return $this->book->where('slug', '=', $slug)->count();
+ return $this->book->newInstance($input);
}
- public function destroyById($id)
+ /**
+ * Destroy a book identified by the given slug.
+ * @param $bookSlug
+ */
+ public function destroyBySlug($bookSlug)
{
- $book = $this->getById($id);
+ $book = $this->getBySlug($bookSlug);
+ foreach ($book->pages as $page) {
+ $this->pageRepo->destroy($page);
+ }
+ foreach ($book->chapters as $chapter) {
+ $this->chapterRepo->destroy($chapter);
+ }
+ $book->views()->delete();
+ $book->restrictions()->delete();
$book->delete();
}
+ /**
+ * Get the next child element priority.
+ * @param Book $book
+ * @return int
+ */
+ public function getNewPriority($book)
+ {
+ $lastElem = $this->getChildren($book)->pop();
+ return $lastElem ? $lastElem->priority + 1 : 0;
+ }
+
+ /**
+ * @param string $slug
+ * @param bool|false $currentId
+ * @return bool
+ */
+ public function doesSlugExist($slug, $currentId = false)
+ {
+ $query = $this->book->where('slug', '=', $slug);
+ if ($currentId) {
+ $query = $query->where('id', '!=', $currentId);
+ }
+ return $query->count() > 0;
+ }
+
+ /**
+ * Provides a suitable slug for the given book name.
+ * Ensures the returned slug is unique in the system.
+ * @param string $name
+ * @param bool|false $currentId
+ * @return string
+ */
+ public function findSuitableSlug($name, $currentId = false)
+ {
+ $originalSlug = Str::slug($name);
+ $slug = $originalSlug;
+ $count = 2;
+ while ($this->doesSlugExist($slug, $currentId)) {
+ $slug = $originalSlug . '-' . $count;
+ $count++;
+ }
+ return $slug;
+ }
+
+ /**
+ * Get all child objects of a book.
+ * Returns a sorted collection of Pages and Chapters.
+ * Loads the bookslug onto child elements to prevent access database access for getting the slug.
+ * @param Book $book
+ * @return mixed
+ */
+ public function getChildren(Book $book)
+ {
+ $pageQuery = $book->pages()->where('chapter_id', '=', 0);
+ $pageQuery = $this->restrictionService->enforcePageRestrictions($pageQuery, 'view');
+ $pages = $pageQuery->get();
+
+ $chapterQuery = $book->chapters()->with(['pages' => function($query) {
+ $this->restrictionService->enforcePageRestrictions($query, 'view');
+ }]);
+ $chapterQuery = $this->restrictionService->enforceChapterRestrictions($chapterQuery, 'view');
+ $chapters = $chapterQuery->get();
+ $children = $pages->merge($chapters);
+ $bookSlug = $book->slug;
+ $children->each(function ($child) use ($bookSlug) {
+ $child->setAttribute('bookSlug', $bookSlug);
+ if ($child->isA('chapter')) {
+ $child->pages->each(function ($page) use ($bookSlug) {
+ $page->setAttribute('bookSlug', $bookSlug);
+ });
+ }
+ });
+ return $children->sortBy('priority');
+ }
+
+ /**
+ * Get books by search term.
+ * @param $term
+ * @param int $count
+ * @param array $paginationAppends
+ * @return mixed
+ */
+ public function getBySearch($term, $count = 20, $paginationAppends = [])
+ {
+ preg_match_all('/"(.*?)"/', $term, $matches);
+ if (count($matches[1]) > 0) {
+ $terms = $matches[1];
+ $term = trim(preg_replace('/"(.*?)"/', '', $term));
+ } else {
+ $terms = [];
+ }
+ if (!empty($term)) {
+ $terms = array_merge($terms, explode(' ', $term));
+ }
+ $books = $this->restrictionService->enforceBookRestrictions($this->book->fullTextSearchQuery(['name', 'description'], $terms))
+ ->paginate($count)->appends($paginationAppends);
+ $words = join('|', explode(' ', preg_quote(trim($term), '/')));
+ foreach ($books as $book) {
+ //highlight
+ $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $book->getExcerpt(100));
+ $book->searchSnippet = $result;
+ }
+ return $books;
+ }
+
+ /**
+ * Updates books restrictions from a request
+ * @param $request
+ * @param $book
+ */
+ public function updateRestrictionsFromRequest($request, $book)
+ {
+ // TODO - extract into shared repo
+ $book->restricted = $request->has('restricted') && $request->get('restricted') === 'true';
+ $book->restrictions()->delete();
+ if ($request->has('restrictions')) {
+ foreach ($request->get('restrictions') as $roleId => $restrictions) {
+ foreach ($restrictions as $action => $value) {
+ $book->restrictions()->create([
+ 'role_id' => $roleId,
+ 'action' => strtolower($action)
+ ]);
+ }
+ }
+ }
+ $book->save();
+ }
+
}
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