X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/b54ef3bb4b7c51f43382660d497c265b10de1361..refs/pull/234/head:/app/Repos/ChapterRepo.php

diff --git a/app/Repos/ChapterRepo.php b/app/Repos/ChapterRepo.php
index 1eb819a82..4106f93ee 100644
--- a/app/Repos/ChapterRepo.php
+++ b/app/Repos/ChapterRepo.php
@@ -1,70 +1,226 @@
-<?php namespace Oxbow\Repos;
+<?php namespace BookStack\Repos;
 
 
+use Activity;
+use BookStack\Book;
+use BookStack\Exceptions\NotFoundException;
 use Illuminate\Support\Str;
-use Oxbow\Chapter;
+use BookStack\Chapter;
 
-class ChapterRepo
+class ChapterRepo extends EntityRepo
 {
-
-    protected $chapter;
+    protected $pageRepo;
 
     /**
      * ChapterRepo constructor.
-     * @param $chapter
+     * @param $pageRepo
      */
-    public function __construct(Chapter $chapter)
+    public function __construct(PageRepo $pageRepo)
     {
-        $this->chapter = $chapter;
+        $this->pageRepo = $pageRepo;
+        parent::__construct();
     }
 
+    /**
+     * Base query for getting chapters, Takes permissions into account.
+     * @return mixed
+     */
+    private function chapterQuery()
+    {
+        return $this->permissionService->enforceChapterRestrictions($this->chapter, 'view');
+    }
+
+    /**
+     * Check if an id exists.
+     * @param $id
+     * @return bool
+     */
     public function idExists($id)
     {
-        return $this->chapter->where('id', '=', $id)->count() > 0;
+        return $this->chapterQuery()->where('id', '=', $id)->count() > 0;
     }
 
+    /**
+     * Get a chapter by a specific id.
+     * @param $id
+     * @return mixed
+     */
     public function getById($id)
     {
-        return $this->chapter->findOrFail($id);
+        return $this->chapterQuery()->findOrFail($id);
     }
 
+    /**
+     * Get all chapters.
+     * @return \Illuminate\Database\Eloquent\Collection|static[]
+     */
     public function getAll()
     {
-        return $this->chapter->all();
+        return $this->chapterQuery()->all();
     }
 
+    /**
+     * Get a chapter that has the given slug within the given book.
+     * @param $slug
+     * @param $bookId
+     * @return mixed
+     * @throws NotFoundException
+     */
     public function getBySlug($slug, $bookId)
     {
-        return $this->chapter->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
+        $chapter = $this->chapterQuery()->where('slug', '=', $slug)->where('book_id', '=', $bookId)->first();
+        if ($chapter === null) throw new NotFoundException(trans('errors.chapter_not_found'));
+        return $chapter;
+    }
+
+    /**
+     * Get the child items for a chapter
+     * @param Chapter $chapter
+     */
+    public function getChildren(Chapter $chapter)
+    {
+        $pages = $this->permissionService->enforcePageRestrictions($chapter->pages())->get();
+        // Sort items with drafts first then by priority.
+        return $pages->sortBy(function ($child, $key) {
+            $score = $child->priority;
+            if ($child->draft) $score -= 100;
+            return $score;
+        });
     }
 
-    public function newFromInput($input)
+    /**
+     * Create a new chapter from request input.
+     * @param $input
+     * @param Book $book
+     * @return Chapter
+     */
+    public function createFromInput($input, Book $book)
     {
-        return $this->chapter->fill($input);
+        $chapter = $this->chapter->newInstance($input);
+        $chapter->slug = $this->findSuitableSlug($chapter->name, $book->id);
+        $chapter->created_by = user()->id;
+        $chapter->updated_by = user()->id;
+        $chapter = $book->chapters()->save($chapter);
+        $this->permissionService->buildJointPermissionsForEntity($chapter);
+        return $chapter;
     }
 
-    public function destroyById($id)
+    /**
+     * Destroy a chapter and its relations by providing its slug.
+     * @param Chapter $chapter
+     */
+    public function destroy(Chapter $chapter)
     {
-        $page = $this->getById($id);
-        $page->delete();
+        if (count($chapter->pages) > 0) {
+            foreach ($chapter->pages as $page) {
+                $page->chapter_id = 0;
+                $page->save();
+            }
+        }
+        Activity::removeEntity($chapter);
+        $chapter->views()->delete();
+        $chapter->permissions()->delete();
+        $this->permissionService->deleteJointPermissionsForEntity($chapter);
+        $chapter->delete();
     }
 
+    /**
+     * Check if a chapter's slug exists.
+     * @param            $slug
+     * @param            $bookId
+     * @param bool|false $currentId
+     * @return bool
+     */
     public function doesSlugExist($slug, $bookId, $currentId = false)
     {
         $query = $this->chapter->where('slug', '=', $slug)->where('book_id', '=', $bookId);
-        if($currentId) {
+        if ($currentId) {
             $query = $query->where('id', '!=', $currentId);
         }
         return $query->count() > 0;
     }
 
+    /**
+     * Finds a suitable slug for the provided name.
+     * Checks database to prevent duplicate slugs.
+     * @param            $name
+     * @param            $bookId
+     * @param bool|false $currentId
+     * @return string
+     */
     public function findSuitableSlug($name, $bookId, $currentId = false)
     {
-        $slug = Str::slug($name);
-        while($this->doesSlugExist($slug, $bookId, $currentId)) {
+        $slug = $this->nameToSlug($name);
+        while ($this->doesSlugExist($slug, $bookId, $currentId)) {
             $slug .= '-' . substr(md5(rand(1, 500)), 0, 3);
         }
         return $slug;
     }
 
+    /**
+     * Get a new priority value for a new page to be added
+     * to the given chapter.
+     * @param Chapter $chapter
+     * @return int
+     */
+    public function getNewPriority(Chapter $chapter)
+    {
+        $lastPage = $chapter->pages->last();
+        return $lastPage !== null ? $lastPage->priority + 1 : 0;
+    }
+
+    /**
+     * Get chapters by the given search term.
+     * @param string $term
+     * @param array $whereTerms
+     * @param int $count
+     * @param array $paginationAppends
+     * @return mixed
+     */
+    public function getBySearch($term, $whereTerms = [], $count = 20, $paginationAppends = [])
+    {
+        $terms = $this->prepareSearchTerms($term);
+        $chapterQuery = $this->permissionService->enforceChapterRestrictions($this->chapter->fullTextSearchQuery(['name', 'description'], $terms, $whereTerms));
+        $chapterQuery = $this->addAdvancedSearchQueries($chapterQuery, $term);
+        $chapters = $chapterQuery->paginate($count)->appends($paginationAppends);
+        $words = join('|', explode(' ', preg_quote(trim($term), '/')));
+        foreach ($chapters as $chapter) {
+            //highlight
+            $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $chapter->getExcerpt(100));
+            $chapter->searchSnippet = $result;
+        }
+        return $chapters;
+    }
+
+    /**
+     * Changes the book relation of this chapter.
+     * @param $bookId
+     * @param Chapter $chapter
+     * @param bool $rebuildPermissions
+     * @return Chapter
+     */
+    public function changeBook($bookId, Chapter $chapter, $rebuildPermissions = false)
+    {
+        $chapter->book_id = $bookId;
+        // Update related activity
+        foreach ($chapter->activity as $activity) {
+            $activity->book_id = $bookId;
+            $activity->save();
+        }
+        $chapter->slug = $this->findSuitableSlug($chapter->name, $bookId, $chapter->id);
+        $chapter->save();
+        // Update all child pages
+        foreach ($chapter->pages as $page) {
+            $this->pageRepo->changeBook($bookId, $page);
+        }
+
+        // Update permissions if applicable
+        if ($rebuildPermissions) {
+            $chapter->load('book');
+            $this->permissionService->buildJointPermissionsForEntity($chapter->book);
+        }
+
+        return $chapter;
+    }
+
 }
\ No newline at end of file