3 namespace BookStack\Entities\Repos;
5 use BookStack\Activity\ActivityType;
6 use BookStack\Entities\Models\Book;
7 use BookStack\Entities\Models\Chapter;
8 use BookStack\Entities\Models\Entity;
9 use BookStack\Entities\Models\Page;
10 use BookStack\Entities\Models\PageRevision;
11 use BookStack\Entities\Queries\EntityQueries;
12 use BookStack\Entities\Tools\BookContents;
13 use BookStack\Entities\Tools\PageContent;
14 use BookStack\Entities\Tools\PageEditorData;
15 use BookStack\Entities\Tools\TrashCan;
16 use BookStack\Exceptions\MoveOperationException;
17 use BookStack\Exceptions\PermissionsException;
18 use BookStack\Facades\Activity;
19 use BookStack\References\ReferenceStore;
20 use BookStack\References\ReferenceUpdater;
25 public function __construct(
26 protected BaseRepo $baseRepo,
27 protected RevisionRepo $revisionRepo,
28 protected EntityQueries $entityQueries,
29 protected ReferenceStore $referenceStore,
30 protected ReferenceUpdater $referenceUpdater
35 * Get a new draft page belonging to the given parent entity.
37 public function getNewDraftPage(Entity $parent)
39 $page = (new Page())->forceFill([
40 'name' => trans('entities.pages_initial_name'),
41 'created_by' => user()->id,
42 'owned_by' => user()->id,
43 'updated_by' => user()->id,
47 if ($parent instanceof Chapter) {
48 $page->chapter_id = $parent->id;
49 $page->book_id = $parent->book_id;
51 $page->book_id = $parent->id;
54 $defaultTemplate = $page->chapter->defaultTemplate ?? $page->book->defaultTemplate;
55 if ($defaultTemplate && userCan('view', $defaultTemplate)) {
57 'html' => $defaultTemplate->html,
58 'markdown' => $defaultTemplate->markdown,
63 $page->refresh()->rebuildPermissions();
69 * Publish a draft page to make it a live, non-draft page.
71 public function publishDraft(Page $draft, array $input): Page
73 $draft->draft = false;
74 $draft->revision_count = 1;
75 $draft->priority = $this->getNewPriority($draft);
76 $this->updateTemplateStatusAndContentFromInput($draft, $input);
77 $this->baseRepo->update($draft, $input);
79 $this->revisionRepo->storeNewForPage($draft, trans('entities.pages_initial_revision'));
82 Activity::add(ActivityType::PAGE_CREATE, $draft);
88 * Update a page in the system.
90 public function update(Page $page, array $input): Page
92 // Hold the old details to compare later
93 $oldHtml = $page->html;
94 $oldName = $page->name;
95 $oldMarkdown = $page->markdown;
97 $this->updateTemplateStatusAndContentFromInput($page, $input);
98 $this->baseRepo->update($page, $input);
100 // Update with new details
101 $page->revision_count++;
104 // Remove all update drafts for this user & page.
105 $this->revisionRepo->deleteDraftsForCurrentUser($page);
107 // Save a revision after updating
108 $summary = trim($input['summary'] ?? '');
109 $htmlChanged = isset($input['html']) && $input['html'] !== $oldHtml;
110 $nameChanged = isset($input['name']) && $input['name'] !== $oldName;
111 $markdownChanged = isset($input['markdown']) && $input['markdown'] !== $oldMarkdown;
112 if ($htmlChanged || $nameChanged || $markdownChanged || $summary) {
113 $this->revisionRepo->storeNewForPage($page, $summary);
116 Activity::add(ActivityType::PAGE_UPDATE, $page);
121 protected function updateTemplateStatusAndContentFromInput(Page $page, array $input)
123 if (isset($input['template']) && userCan('templates-manage')) {
124 $page->template = ($input['template'] === 'true');
127 $pageContent = new PageContent($page);
128 $currentEditor = $page->editor ?: PageEditorData::getSystemDefaultEditor();
129 $newEditor = $currentEditor;
131 $haveInput = isset($input['markdown']) || isset($input['html']);
132 $inputEmpty = empty($input['markdown']) && empty($input['html']);
134 if ($haveInput && $inputEmpty) {
135 $pageContent->setNewHTML('', user());
136 } elseif (!empty($input['markdown']) && is_string($input['markdown'])) {
137 $newEditor = 'markdown';
138 $pageContent->setNewMarkdown($input['markdown'], user());
139 } elseif (isset($input['html'])) {
140 $newEditor = 'wysiwyg';
141 $pageContent->setNewHTML($input['html'], user());
144 if ($newEditor !== $currentEditor && userCan('editor-change')) {
145 $page->editor = $newEditor;
150 * Save a page update draft.
152 public function updatePageDraft(Page $page, array $input)
154 // If the page itself is a draft simply update that
156 $this->updateTemplateStatusAndContentFromInput($page, $input);
163 // Otherwise, save the data to a revision
164 $draft = $this->revisionRepo->getNewDraftForCurrentUser($page);
165 $draft->fill($input);
167 if (!empty($input['markdown'])) {
168 $draft->markdown = $input['markdown'];
171 $draft->html = $input['html'];
172 $draft->markdown = '';
181 * Destroy a page from the system.
185 public function destroy(Page $page)
187 $trashCan = new TrashCan();
188 $trashCan->softDestroyPage($page);
189 Activity::add(ActivityType::PAGE_DELETE, $page);
190 $trashCan->autoClearOld();
194 * Restores a revision's content back into a page.
196 public function restoreRevision(Page $page, int $revisionId): Page
198 $oldUrl = $page->getUrl();
199 $page->revision_count++;
201 /** @var PageRevision $revision */
202 $revision = $page->revisions()->where('id', '=', $revisionId)->first();
204 $page->fill($revision->toArray());
205 $content = new PageContent($page);
207 if (!empty($revision->markdown)) {
208 $content->setNewMarkdown($revision->markdown, user());
210 $content->setNewHTML($revision->html, user());
213 $page->updated_by = user()->id;
214 $page->refreshSlug();
216 $page->indexForSearch();
217 $this->referenceStore->updateForEntity($page);
219 $summary = trans('entities.pages_revision_restored_from', ['id' => strval($revisionId), 'summary' => $revision->summary]);
220 $this->revisionRepo->storeNewForPage($page, $summary);
222 if ($oldUrl !== $page->getUrl()) {
223 $this->referenceUpdater->updateEntityReferences($page, $oldUrl);
226 Activity::add(ActivityType::PAGE_RESTORE, $page);
227 Activity::add(ActivityType::REVISION_RESTORE, $revision);
233 * Move the given page into a new parent book or chapter.
234 * The $parentIdentifier must be a string of the following format:
235 * 'book:<id>' (book:5).
237 * @throws MoveOperationException
238 * @throws PermissionsException
240 public function move(Page $page, string $parentIdentifier): Entity
242 $parent = $this->entityQueries->findVisibleByStringIdentifier($parentIdentifier);
243 if (!$parent instanceof Chapter && !$parent instanceof Book) {
244 throw new MoveOperationException('Book or chapter to move page into not found');
247 if (!userCan('page-create', $parent)) {
248 throw new PermissionsException('User does not have permission to create a page within the new parent');
251 $page->chapter_id = ($parent instanceof Chapter) ? $parent->id : null;
252 $newBookId = ($parent instanceof Chapter) ? $parent->book->id : $parent->id;
253 $page->changeBook($newBookId);
254 $page->rebuildPermissions();
256 Activity::add(ActivityType::PAGE_MOVE, $page);
262 * Get a new priority for a page.
264 protected function getNewPriority(Page $page): int
266 $parent = $page->getParent();
267 if ($parent instanceof Chapter) {
268 /** @var ?Page $lastPage */
269 $lastPage = $parent->pages('desc')->first();
271 return $lastPage ? $lastPage->priority + 1 : 0;
274 return (new BookContents($page->book))->getLastPriority() + 1;