X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/cd6572b61af2165133468d2562d04dffdca8fca8..refs/pull/691/head:/app/Repos/EntityRepo.php

diff --git a/app/Repos/EntityRepo.php b/app/Repos/EntityRepo.php
index 0515a4cd4..64f7a0810 100644
--- a/app/Repos/EntityRepo.php
+++ b/app/Repos/EntityRepo.php
@@ -4,10 +4,12 @@ use BookStack\Book;
 use BookStack\Chapter;
 use BookStack\Entity;
 use BookStack\Exceptions\NotFoundException;
+use BookStack\Exceptions\NotifyException;
 use BookStack\Page;
 use BookStack\PageRevision;
 use BookStack\Services\AttachmentService;
 use BookStack\Services\PermissionService;
+use BookStack\Services\SearchService;
 use BookStack\Services\ViewService;
 use Carbon\Carbon;
 use DOMDocument;
@@ -59,13 +61,12 @@ class EntityRepo
     protected $tagRepo;
 
     /**
-     * Acceptable operators to be used in a query
-     * @var array
+     * @var SearchService
      */
-    protected $queryOperators = ['<=', '>=', '=', '<', '>', 'like', '!='];
+    protected $searchService;
 
     /**
-     * EntityService constructor.
+     * EntityRepo constructor.
      * @param Book $book
      * @param Chapter $chapter
      * @param Page $page
@@ -73,12 +74,18 @@ class EntityRepo
      * @param ViewService $viewService
      * @param PermissionService $permissionService
      * @param TagRepo $tagRepo
+     * @param SearchService $searchService
      */
     public function __construct(
-        Book $book, Chapter $chapter, Page $page, PageRevision $pageRevision,
-        ViewService $viewService, PermissionService $permissionService, TagRepo $tagRepo
-    )
-    {
+        Book $book,
+        Chapter $chapter,
+        Page $page,
+        PageRevision $pageRevision,
+        ViewService $viewService,
+        PermissionService $permissionService,
+        TagRepo $tagRepo,
+        SearchService $searchService
+    ) {
         $this->book = $book;
         $this->chapter = $chapter;
         $this->page = $page;
@@ -86,12 +93,12 @@ class EntityRepo
         $this->entities = [
             'page' => $this->page,
             'chapter' => $this->chapter,
-            'book' => $this->book,
-            'page_revision' => $this->pageRevision
+            'book' => $this->book
         ];
         $this->viewService = $viewService;
         $this->permissionService = $permissionService;
         $this->tagRepo = $tagRepo;
+        $this->searchService = $searchService;
     }
 
     /**
@@ -110,9 +117,9 @@ class EntityRepo
      * @param bool $allowDrafts
      * @return \Illuminate\Database\Query\Builder
      */
-    protected function entityQuery($type, $allowDrafts = false)
+    protected function entityQuery($type, $allowDrafts = false, $permission = 'view')
     {
-        $q = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type), 'view');
+        $q = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type), $permission);
         if (strtolower($type) === 'page' && !$allowDrafts) {
             $q = $q->where('draft', '=', false);
         }
@@ -135,11 +142,16 @@ class EntityRepo
      * @param string $type
      * @param integer $id
      * @param bool $allowDrafts
+     * @param bool $ignorePermissions
      * @return Entity
      */
-    public function getById($type, $id, $allowDrafts = false)
+    public function getById($type, $id, $allowDrafts = false, $ignorePermissions = false)
     {
-        return $this->entityQuery($type, $allowDrafts)->findOrFail($id);
+        if ($ignorePermissions) {
+            $entity = $this->getEntity($type);
+            return $entity->newQuery()->find($id);
+        }
+        return $this->entityQuery($type, $allowDrafts)->find($id);
     }
 
     /**
@@ -155,14 +167,16 @@ class EntityRepo
         $q = $this->entityQuery($type)->where('slug', '=', $slug);
 
         if (strtolower($type) === 'chapter' || strtolower($type) === 'page') {
-            $q = $q->where('book_id', '=', function($query) use ($bookSlug) {
+            $q = $q->where('book_id', '=', function ($query) use ($bookSlug) {
                 $query->select('id')
                     ->from($this->book->getTable())
                     ->where('slug', '=', $bookSlug)->limit(1);
             });
         }
         $entity = $q->first();
-        if ($entity === null) throw new NotFoundException(trans('errors.' . strtolower($type) . '_not_found'));
+        if ($entity === null) {
+            throw new NotFoundException(trans('errors.' . strtolower($type) . '_not_found'));
+        }
         return $entity;
     }
 
@@ -188,15 +202,18 @@ class EntityRepo
     }
 
     /**
-     * Get all entities of a type limited by count unless count if false.
+     * Get all entities of a type with the given permission, limited by count unless count is false.
      * @param string $type
      * @param integer|bool $count
+     * @param string $permission
      * @return Collection
      */
-    public function getAll($type, $count = 20)
+    public function getAll($type, $count = 20, $permission = 'view')
     {
-        $q = $this->entityQuery($type)->orderBy('name', 'asc');
-        if ($count !== false) $q = $q->take($count);
+        $q = $this->entityQuery($type, false, $permission)->orderBy('name', 'asc');
+        if ($count !== false) {
+            $q = $q->take($count);
+        }
         return $q->get();
     }
 
@@ -217,12 +234,15 @@ class EntityRepo
      * @param int $count
      * @param int $page
      * @param bool|callable $additionalQuery
+     * @return Collection
      */
     public function getRecentlyCreated($type, $count = 20, $page = 0, $additionalQuery = false)
     {
         $query = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type))
             ->orderBy('created_at', 'desc');
-        if (strtolower($type) === 'page') $query = $query->where('draft', '=', false);
+        if (strtolower($type) === 'page') {
+            $query = $query->where('draft', '=', false);
+        }
         if ($additionalQuery !== false && is_callable($additionalQuery)) {
             $additionalQuery($query);
         }
@@ -235,12 +255,15 @@ class EntityRepo
      * @param int $count
      * @param int $page
      * @param bool|callable $additionalQuery
+     * @return Collection
      */
     public function getRecentlyUpdated($type, $count = 20, $page = 0, $additionalQuery = false)
     {
         $query = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type))
             ->orderBy('updated_at', 'desc');
-        if (strtolower($type) === 'page') $query = $query->where('draft', '=', false);
+        if (strtolower($type) === 'page') {
+            $query = $query->where('draft', '=', false);
+        }
         if ($additionalQuery !== false && is_callable($additionalQuery)) {
             $additionalQuery($query);
         }
@@ -314,31 +337,44 @@ class EntityRepo
      * Loads the book slug onto child elements to prevent access database access for getting the slug.
      * @param Book $book
      * @param bool $filterDrafts
+     * @param bool $renderPages
      * @return mixed
      */
-    public function getBookChildren(Book $book, $filterDrafts = false)
+    public function getBookChildren(Book $book, $filterDrafts = false, $renderPages = false)
     {
-        $q = $this->permissionService->bookChildrenQuery($book->id, $filterDrafts);
+        $q = $this->permissionService->bookChildrenQuery($book->id, $filterDrafts, $renderPages)->get();
         $entities = [];
         $parents = [];
         $tree = [];
 
         foreach ($q as $index => $rawEntity) {
-            if ($rawEntity->entity_type === 'Bookstack\\Page') {
+            if ($rawEntity->entity_type === 'BookStack\\Page') {
                 $entities[$index] = $this->page->newFromBuilder($rawEntity);
-            } else if ($rawEntity->entity_type === 'Bookstack\\Chapter') {
+                if ($renderPages) {
+                    $entities[$index]->html = $rawEntity->html;
+                    $entities[$index]->html = $this->renderPage($entities[$index]);
+                };
+            } else if ($rawEntity->entity_type === 'BookStack\\Chapter') {
                 $entities[$index] = $this->chapter->newFromBuilder($rawEntity);
                 $key = $entities[$index]->entity_type . ':' . $entities[$index]->id;
                 $parents[$key] = $entities[$index];
                 $parents[$key]->setAttribute('pages', collect());
             }
-            if ($entities[$index]->chapter_id === 0) $tree[] = $entities[$index];
+            if ($entities[$index]->chapter_id === 0 || $entities[$index]->chapter_id === '0') {
+                $tree[] = $entities[$index];
+            }
             $entities[$index]->book = $book;
         }
 
         foreach ($entities as $entity) {
-            if ($entity->chapter_id === 0) continue;
-            $parentKey = 'Bookstack\\Chapter:' . $entity->chapter_id;
+            if ($entity->chapter_id === 0 || $entity->chapter_id === '0') {
+                continue;
+            }
+            $parentKey = 'BookStack\\Chapter:' . $entity->chapter_id;
+            if (!isset($parents[$parentKey])) {
+                $tree[] = $entity;
+                continue;
+            }
             $chapter = $parents[$parentKey];
             $chapter->pages->push($entity);
         }
@@ -350,6 +386,7 @@ class EntityRepo
      * Get the child items for a chapter sorted by priority but
      * with draft items floated to the top.
      * @param Chapter $chapter
+     * @return \Illuminate\Database\Eloquent\Collection|static[]
      */
     public function getChapterChildren(Chapter $chapter)
     {
@@ -357,56 +394,6 @@ class EntityRepo
             ->orderBy('draft', 'DESC')->orderBy('priority', 'ASC')->get();
     }
 
-    /**
-     * Search entities of a type via a given query.
-     * @param string $type
-     * @param string $term
-     * @param array $whereTerms
-     * @param int $count
-     * @param array $paginationAppends
-     * @return mixed
-     */
-    public function getBySearch($type, $term, $whereTerms = [], $count = 20, $paginationAppends = [])
-    {
-        $terms = $this->prepareSearchTerms($term);
-        $q = $this->permissionService->enforceEntityRestrictions($type, $this->getEntity($type)->fullTextSearchQuery($terms, $whereTerms));
-        $q = $this->addAdvancedSearchQueries($q, $term);
-        $entities = $q->paginate($count)->appends($paginationAppends);
-        $words = join('|', explode(' ', preg_quote(trim($term), '/')));
-
-        // Highlight page content
-        if ($type === 'page') {
-            //lookahead/behind assertions ensures cut between words
-            $s = '\s\x00-/:-@\[-`{-~'; //character set for start/end of words
-
-            foreach ($entities as $page) {
-                preg_match_all('#(?<=[' . $s . ']).{1,30}((' . $words . ').{1,30})+(?=[' . $s . '])#uis', $page->text, $matches, PREG_SET_ORDER);
-                //delimiter between occurrences
-                $results = [];
-                foreach ($matches as $line) {
-                    $results[] = htmlspecialchars($line[0], 0, 'UTF-8');
-                }
-                $matchLimit = 6;
-                if (count($results) > $matchLimit) $results = array_slice($results, 0, $matchLimit);
-                $result = join('... ', $results);
-
-                //highlight
-                $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $result);
-                if (strlen($result) < 5) $result = $page->getExcerpt(80);
-
-                $page->searchSnippet = $result;
-            }
-            return $entities;
-        }
-
-        // Highlight chapter/book content
-        foreach ($entities as $entity) {
-            //highlight
-            $result = preg_replace('#' . $words . '#iu', "<span class=\"highlight\">\$0</span>", $entity->getExcerpt(100));
-            $entity->searchSnippet = $result;
-        }
-        return $entities;
-    }
 
     /**
      * Get the next sequential priority for a new child element in the given book.
@@ -461,7 +448,9 @@ class EntityRepo
         if (strtolower($type) === 'page' || strtolower($type) === 'chapter') {
             $query = $query->where('book_id', '=', $bookId);
         }
-        if ($currentId) $query = $query->where('id', '!=', $currentId);
+        if ($currentId) {
+            $query = $query->where('id', '!=', $currentId);
+        }
         return $query->count() > 0;
     }
 
@@ -472,9 +461,10 @@ class EntityRepo
      */
     public function updateEntityPermissionsFromRequest($request, Entity $entity)
     {
-        $entity->restricted = $request->has('restricted') && $request->get('restricted') === 'true';
+        $entity->restricted = $request->get('restricted', '') === 'true';
         $entity->permissions()->delete();
-        if ($request->has('restrictions')) {
+
+        if ($request->filled('restrictions')) {
             foreach ($request->get('restrictions') as $roleId => $restrictions) {
                 foreach ($restrictions as $action => $value) {
                     $entity->permissions()->create([
@@ -484,108 +474,12 @@ class EntityRepo
                 }
             }
         }
+
         $entity->save();
         $this->permissionService->buildJointPermissionsForEntity($entity);
     }
 
-    /**
-     * Prepare a string of search terms by turning
-     * it into an array of terms.
-     * Keeps quoted terms together.
-     * @param $termString
-     * @return array
-     */
-    public function prepareSearchTerms($termString)
-    {
-        $termString = $this->cleanSearchTermString($termString);
-        preg_match_all('/(".*?")/', $termString, $matches);
-        $terms = [];
-        if (count($matches[1]) > 0) {
-            foreach ($matches[1] as $match) {
-                $terms[] = $match;
-            }
-            $termString = trim(preg_replace('/"(.*?)"/', '', $termString));
-        }
-        if (!empty($termString)) $terms = array_merge($terms, explode(' ', $termString));
-        return $terms;
-    }
-
-    /**
-     * Removes any special search notation that should not
-     * be used in a full-text search.
-     * @param $termString
-     * @return mixed
-     */
-    protected function cleanSearchTermString($termString)
-    {
-        // Strip tag searches
-        $termString = preg_replace('/\[.*?\]/', '', $termString);
-        // Reduced multiple spacing into single spacing
-        $termString = preg_replace("/\s{2,}/", " ", $termString);
-        return $termString;
-    }
 
-    /**
-     * Get the available query operators as a regex escaped list.
-     * @return mixed
-     */
-    protected function getRegexEscapedOperators()
-    {
-        $escapedOperators = [];
-        foreach ($this->queryOperators as $operator) {
-            $escapedOperators[] = preg_quote($operator);
-        }
-        return join('|', $escapedOperators);
-    }
-
-    /**
-     * Parses advanced search notations and adds them to the db query.
-     * @param $query
-     * @param $termString
-     * @return mixed
-     */
-    protected function addAdvancedSearchQueries($query, $termString)
-    {
-        $escapedOperators = $this->getRegexEscapedOperators();
-        // Look for tag searches
-        preg_match_all("/\[(.*?)((${escapedOperators})(.*?))?\]/", $termString, $tags);
-        if (count($tags[0]) > 0) {
-            $this->applyTagSearches($query, $tags);
-        }
-
-        return $query;
-    }
-
-    /**
-     * Apply extracted tag search terms onto a entity query.
-     * @param $query
-     * @param $tags
-     * @return mixed
-     */
-    protected function applyTagSearches($query, $tags) {
-        $query->where(function($query) use ($tags) {
-            foreach ($tags[1] as $index => $tagName) {
-                $query->whereHas('tags', function($query) use ($tags, $index, $tagName) {
-                    $tagOperator = $tags[3][$index];
-                    $tagValue = $tags[4][$index];
-                    if (!empty($tagOperator) && !empty($tagValue) && in_array($tagOperator, $this->queryOperators)) {
-                        if (is_numeric($tagValue) && $tagOperator !== 'like') {
-                            // We have to do a raw sql query for this since otherwise PDO will quote the value and MySQL will
-                            // search the value as a string which prevents being able to do number-based operations
-                            // on the tag values. We ensure it has a numeric value and then cast it just to be sure.
-                            $tagValue = (float) trim($query->getConnection()->getPdo()->quote($tagValue), "'");
-                            $query->where('name', '=', $tagName)->whereRaw("value ${tagOperator} ${tagValue}");
-                        } else {
-                            $query->where('name', '=', $tagName)->where('value', $tagOperator, $tagValue);
-                        }
-                    } else {
-                        $query->where('name', '=', $tagName);
-                    }
-                });
-            }
-        });
-        return $query;
-    }
 
     /**
      * Create a new entity from request input.
@@ -604,12 +498,13 @@ class EntityRepo
         $entity->updated_by = user()->id;
         $isChapter ? $book->chapters()->save($entity) : $entity->save();
         $this->permissionService->buildJointPermissionsForEntity($entity);
+        $this->searchService->indexEntity($entity);
         return $entity;
     }
 
     /**
      * Update entity details from request input.
-     * Use for books and chapters
+     * Used for books and chapters
      * @param string $type
      * @param Entity $entityModel
      * @param array $input
@@ -624,6 +519,7 @@ class EntityRepo
         $entityModel->updated_by = user()->id;
         $entityModel->save();
         $this->permissionService->buildJointPermissionsForEntity($entityModel);
+        $this->searchService->indexEntity($entityModel);
         return $entityModel;
     }
 
@@ -664,11 +560,11 @@ class EntityRepo
 
     /**
      * Alias method to update the book jointPermissions in the PermissionService.
-     * @param Collection $collection collection on entities
+     * @param Book $book
      */
-    public function buildJointPermissions(Collection $collection)
+    public function buildJointPermissionsForBook(Book $book)
     {
-        $this->permissionService->buildJointPermissionsForEntities($collection);
+        $this->permissionService->buildJointPermissionsForEntity($book);
     }
 
     /**
@@ -678,9 +574,12 @@ class EntityRepo
      */
     protected function nameToSlug($name)
     {
-        $slug = str_replace(' ', '-', strtolower($name));
-        $slug = preg_replace('/[\+\/\\\?\@\}\{\.\,\=\[\]\#\&\!\*\'\;\:\$\%]/', '', $slug);
-        if ($slug === "") $slug = substr(md5(rand(1, 500)), 0, 5);
+        $slug = preg_replace('/[\+\/\\\?\@\}\{\.\,\=\[\]\#\&\!\*\'\;\:\$\%]/', '', mb_strtolower($name));
+        $slug = preg_replace('/\s{2,}/', ' ', $slug);
+        $slug = str_replace(' ', '-', $slug);
+        if ($slug === "") {
+            $slug = substr(md5(rand(1, 500)), 0, 5);
+        }
         return $slug;
     }
 
@@ -702,12 +601,13 @@ class EntityRepo
 
         $draftPage->slug = $this->findSuitableSlug('page', $draftPage->name, false, $draftPage->book->id);
         $draftPage->html = $this->formatHtml($input['html']);
-        $draftPage->text = strip_tags($draftPage->html);
+        $draftPage->text = $this->pageToPlainText($draftPage);
         $draftPage->draft = false;
+        $draftPage->revision_count = 1;
 
         $draftPage->save();
         $this->savePageRevision($draftPage, trans('entities.pages_initial_revision'));
-
+        $this->searchService->indexEntity($draftPage);
         return $draftPage;
     }
 
@@ -720,7 +620,9 @@ class EntityRepo
     public function savePageRevision(Page $page, $summary = null)
     {
         $revision = $this->pageRevision->newInstance($page->toArray());
-        if (setting('app-editor') !== 'markdown') $revision->markdown = '';
+        if (setting('app-editor') !== 'markdown') {
+            $revision->markdown = '';
+        }
         $revision->page_id = $page->id;
         $revision->slug = $page->slug;
         $revision->book_slug = $page->book->slug;
@@ -728,6 +630,7 @@ class EntityRepo
         $revision->created_at = $page->updated_at;
         $revision->type = 'version';
         $revision->summary = $summary;
+        $revision->revision_number = $page->revision_count;
         $revision->save();
 
         // Clear old revisions
@@ -747,7 +650,9 @@ class EntityRepo
      */
     protected function formatHtml($htmlText)
     {
-        if ($htmlText == '') return $htmlText;
+        if ($htmlText == '') {
+            return $htmlText;
+        }
         libxml_use_internal_errors(true);
         $doc = new DOMDocument();
         $doc->loadHTML(mb_convert_encoding($htmlText, 'HTML-ENTITIES', 'UTF-8'));
@@ -761,7 +666,9 @@ class EntityRepo
 
         foreach ($childNodes as $index => $childNode) {
             /** @var \DOMElement $childNode */
-            if (get_class($childNode) !== 'DOMElement') continue;
+            if (get_class($childNode) !== 'DOMElement') {
+                continue;
+            }
 
             // Overwrite id if not a BookStack custom id
             if ($childNode->hasAttribute('id')) {
@@ -796,6 +703,74 @@ class EntityRepo
         return $html;
     }
 
+
+    /**
+     * Render the page for viewing, Parsing and performing features such as page transclusion.
+     * @param Page $page
+     * @param bool $ignorePermissions
+     * @return mixed|string
+     */
+    public function renderPage(Page $page, $ignorePermissions = false)
+    {
+        $content = $page->html;
+        $matches = [];
+        preg_match_all("/{{@\s?([0-9].*?)}}/", $content, $matches);
+        if (count($matches[0]) === 0) {
+            return $content;
+        }
+
+        $topLevelTags = ['table', 'ul', 'ol'];
+        foreach ($matches[1] as $index => $includeId) {
+            $splitInclude = explode('#', $includeId, 2);
+            $pageId = intval($splitInclude[0]);
+            if (is_nan($pageId)) {
+                continue;
+            }
+
+            $matchedPage = $this->getById('page', $pageId, false, $ignorePermissions);
+            if ($matchedPage === null) {
+                $content = str_replace($matches[0][$index], '', $content);
+                continue;
+            }
+
+            if (count($splitInclude) === 1) {
+                $content = str_replace($matches[0][$index], $matchedPage->html, $content);
+                continue;
+            }
+
+            $doc = new DOMDocument();
+            $doc->loadHTML(mb_convert_encoding('<body>'.$matchedPage->html.'</body>', 'HTML-ENTITIES', 'UTF-8'));
+            $matchingElem = $doc->getElementById($splitInclude[1]);
+            if ($matchingElem === null) {
+                $content = str_replace($matches[0][$index], '', $content);
+                continue;
+            }
+            $innerContent = '';
+            $isTopLevel = in_array(strtolower($matchingElem->nodeName), $topLevelTags);
+            if ($isTopLevel) {
+                $innerContent .= $doc->saveHTML($matchingElem);
+            } else {
+                foreach ($matchingElem->childNodes as $childNode) {
+                    $innerContent .= $doc->saveHTML($childNode);
+                }
+            }
+            $content = str_replace($matches[0][$index], trim($innerContent), $content);
+        }
+
+        return $content;
+    }
+
+    /**
+     * Get the plain text version of a page's content.
+     * @param Page $page
+     * @return string
+     */
+    public function pageToPlainText(Page $page)
+    {
+        $html = $this->renderPage($page);
+        return strip_tags($html);
+    }
+
     /**
      * Get a new draft page instance.
      * @param Book $book
@@ -810,9 +785,12 @@ class EntityRepo
         $page->updated_by = user()->id;
         $page->draft = true;
 
-        if ($chapter) $page->chapter_id = $chapter->id;
+        if ($chapter) {
+            $page->chapter_id = $chapter->id;
+        }
 
         $book->pages()->save($page);
+        $page = $this->page->find($page->id);
         $this->permissionService->buildJointPermissionsForEntity($page);
         return $page;
     }
@@ -835,19 +813,23 @@ class EntityRepo
 
     /**
      * Parse the headers on the page to get a navigation menu
-     * @param Page $page
-     * @return Collection
+     * @param String $pageContent
+     * @return array
      */
-    public function getPageNav(Page $page)
+    public function getPageNav($pageContent)
     {
-        if ($page->html == '') return null;
+        if ($pageContent == '') {
+            return [];
+        }
         libxml_use_internal_errors(true);
         $doc = new DOMDocument();
-        $doc->loadHTML(mb_convert_encoding($page->html, 'HTML-ENTITIES', 'UTF-8'));
+        $doc->loadHTML(mb_convert_encoding($pageContent, 'HTML-ENTITIES', 'UTF-8'));
         $xPath = new DOMXPath($doc);
         $headers = $xPath->query("//h1|//h2|//h3|//h4|//h5|//h6");
 
-        if (is_null($headers)) return null;
+        if (is_null($headers)) {
+            return [];
+        }
 
         $tree = collect([]);
         foreach ($headers as $header) {
@@ -863,12 +845,12 @@ class EntityRepo
         // Normalise headers if only smaller headers have been used
         if (count($tree) > 0) {
             $minLevel = $tree->pluck('level')->min();
-            $tree = $tree->map(function($header) use ($minLevel) {
+            $tree = $tree->map(function ($header) use ($minLevel) {
                 $header['level'] -= ($minLevel - 2);
                 return $header;
             });
         }
-        return $tree;
+        return $tree->toArray();
     }
 
     /**
@@ -898,9 +880,12 @@ class EntityRepo
         $userId = user()->id;
         $page->fill($input);
         $page->html = $this->formatHtml($input['html']);
-        $page->text = strip_tags($page->html);
-        if (setting('app-editor') !== 'markdown') $page->markdown = '';
+        $page->text = $this->pageToPlainText($page);
+        if (setting('app-editor') !== 'markdown') {
+            $page->markdown = '';
+        }
         $page->updated_by = $userId;
+        $page->revision_count++;
         $page->save();
 
         // Remove all update drafts for this user & page.
@@ -911,6 +896,8 @@ class EntityRepo
             $this->savePageRevision($page, $input['summary']);
         }
 
+        $this->searchService->indexEntity($page);
+
         return $page;
     }
 
@@ -958,7 +945,9 @@ class EntityRepo
     public function getUserPageDraftMessage(PageRevision $draft)
     {
         $message = trans('entities.pages_editing_draft_notification', ['timeDiff' => $draft->updated_at->diffForHumans()]);
-        if ($draft->page->updated_at->timestamp <= $draft->updated_at->timestamp) return $message;
+        if ($draft->page->updated_at->timestamp <= $draft->updated_at->timestamp) {
+            return $message;
+        }
         return $message . "\n" . trans('entities.pages_draft_edited_notification');
     }
 
@@ -1007,13 +996,15 @@ class EntityRepo
      */
     public function restorePageRevision(Page $page, Book $book, $revisionId)
     {
+        $page->revision_count++;
         $this->savePageRevision($page);
-        $revision = $this->getById('page_revision', $revisionId);
+        $revision = $page->revisions()->where('id', '=', $revisionId)->first();
         $page->fill($revision->toArray());
         $page->slug = $this->findSuitableSlug('page', $page->name, $page->id, $book->id);
-        $page->text = strip_tags($page->html);
+        $page->text = $this->pageToPlainText($page);
         $page->updated_by = user()->id;
         $page->save();
+        $this->searchService->indexEntity($page);
         return $page;
     }
 
@@ -1030,7 +1021,7 @@ class EntityRepo
         if ($page->draft) {
             $page->fill($data);
             if (isset($data['html'])) {
-                $page->text = strip_tags($data['html']);
+                $page->text = $this->pageToPlainText($page);
             }
             $page->save();
             return $page;
@@ -1052,7 +1043,9 @@ class EntityRepo
         }
 
         $draft->fill($data);
-        if (setting('app-editor') !== 'markdown') $draft->markdown = '';
+        if (setting('app-editor') !== 'markdown') {
+            $draft->markdown = '';
+        }
 
         $draft->save();
         return $draft;
@@ -1106,6 +1099,7 @@ class EntityRepo
         $book->views()->delete();
         $book->permissions()->delete();
         $this->permissionService->deleteJointPermissionsForEntity($book);
+        $this->searchService->deleteEntityTerms($book);
         $book->delete();
     }
 
@@ -1125,12 +1119,14 @@ class EntityRepo
         $chapter->views()->delete();
         $chapter->permissions()->delete();
         $this->permissionService->deleteJointPermissionsForEntity($chapter);
+        $this->searchService->deleteEntityTerms($chapter);
         $chapter->delete();
     }
 
     /**
      * Destroy a given page along with its dependencies.
      * @param Page $page
+     * @throws NotifyException
      */
     public function destroyPage(Page $page)
     {
@@ -1140,6 +1136,13 @@ class EntityRepo
         $page->revisions()->delete();
         $page->permissions()->delete();
         $this->permissionService->deleteJointPermissionsForEntity($page);
+        $this->searchService->deleteEntityTerms($page);
+
+        // Check if set as custom homepage
+        $customHome = setting('app-homepage', '0:');
+        if (intval($page->id) === intval(explode(':', $customHome)[0])) {
+            throw new NotifyException(trans('errors.page_custom_home_deletion'), $page->getUrl());
+        }
 
         // Delete Attached Files
         $attachmentService = app(AttachmentService::class);
@@ -1149,17 +1152,4 @@ class EntityRepo
 
         $page->delete();
     }
-
 }
-
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