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\Tools\BookContents;
12 use BookStack\Entities\Tools\PageContent;
13 use BookStack\Entities\Tools\PageEditorData;
14 use BookStack\Entities\Tools\TrashCan;
15 use BookStack\Exceptions\MoveOperationException;
16 use BookStack\Exceptions\NotFoundException;
17 use BookStack\Exceptions\PermissionsException;
18 use BookStack\Facades\Activity;
19 use BookStack\References\ReferenceStore;
20 use BookStack\References\ReferenceUpdater;
22 use Illuminate\Pagination\LengthAwarePaginator;
26 public function __construct(
27 protected BaseRepo $baseRepo,
28 protected RevisionRepo $revisionRepo,
29 protected ReferenceStore $referenceStore,
30 protected ReferenceUpdater $referenceUpdater
37 * @throws NotFoundException
39 public function getById(int $id, array $relations = ['book']): Page
41 /** @var Page $page */
42 $page = Page::visible()->with($relations)->find($id);
45 throw new NotFoundException(trans('errors.page_not_found'));
52 * Get a page its book and own slug.
54 * @throws NotFoundException
56 public function getBySlug(string $bookSlug, string $pageSlug): Page
58 $page = Page::visible()->whereSlugs($bookSlug, $pageSlug)->first();
61 throw new NotFoundException(trans('errors.page_not_found'));
68 * Get a page by its old slug but checking the revisions table
69 * for the last revision that matched the given page and book slug.
71 public function getByOldSlug(string $bookSlug, string $pageSlug): ?Page
73 $revision = $this->revisionRepo->getBySlugs($bookSlug, $pageSlug);
75 return $revision->page ?? null;
79 * Get pages that have been marked as a template.
81 public function getTemplates(int $count = 10, int $page = 1, string $search = ''): LengthAwarePaginator
83 $query = Page::visible()
84 ->where('template', '=', true)
85 ->orderBy('name', 'asc')
86 ->skip(($page - 1) * $count)
90 $query->where('name', 'like', '%' . $search . '%');
93 $paginator = $query->paginate($count, ['*'], 'page', $page);
94 $paginator->withPath('/templates');
100 * Get a parent item via slugs.
102 public function getParentFromSlugs(string $bookSlug, string $chapterSlug = null): Entity
104 if ($chapterSlug !== null) {
105 return Chapter::visible()->whereSlugs($bookSlug, $chapterSlug)->firstOrFail();
108 return Book::visible()->where('slug', '=', $bookSlug)->firstOrFail();
112 * Get the draft copy of the given page for the current user.
114 public function getUserDraft(Page $page): ?PageRevision
116 return $this->revisionRepo->getLatestDraftForCurrentUser($page);
120 * Get a new draft page belonging to the given parent entity.
122 public function getNewDraftPage(Entity $parent)
124 $page = (new Page())->forceFill([
125 'name' => trans('entities.pages_initial_name'),
126 'created_by' => user()->id,
127 'owned_by' => user()->id,
128 'updated_by' => user()->id,
132 if ($parent instanceof Chapter) {
133 $page->chapter_id = $parent->id;
134 $page->book_id = $parent->book_id;
136 $page->book_id = $parent->id;
139 $defaultTemplate = $page->book->defaultTemplate;
140 if ($defaultTemplate && userCan('view', $defaultTemplate)) {
142 'html' => $defaultTemplate->html,
143 'markdown' => $defaultTemplate->markdown,
148 $page->refresh()->rebuildPermissions();
154 * Publish a draft page to make it a live, non-draft page.
156 public function publishDraft(Page $draft, array $input): Page
158 $draft->draft = false;
159 $draft->revision_count = 1;
160 $draft->priority = $this->getNewPriority($draft);
161 $this->updateTemplateStatusAndContentFromInput($draft, $input);
162 $this->baseRepo->update($draft, $input);
164 $this->revisionRepo->storeNewForPage($draft, trans('entities.pages_initial_revision'));
165 $this->referenceStore->updateForPage($draft);
168 Activity::add(ActivityType::PAGE_CREATE, $draft);
174 * Update a page in the system.
176 public function update(Page $page, array $input): Page
178 // Hold the old details to compare later
179 $oldHtml = $page->html;
180 $oldName = $page->name;
181 $oldMarkdown = $page->markdown;
183 $this->updateTemplateStatusAndContentFromInput($page, $input);
184 $this->baseRepo->update($page, $input);
185 $this->referenceStore->updateForPage($page);
187 // Update with new details
188 $page->revision_count++;
191 // Remove all update drafts for this user & page.
192 $this->revisionRepo->deleteDraftsForCurrentUser($page);
194 // Save a revision after updating
195 $summary = trim($input['summary'] ?? '');
196 $htmlChanged = isset($input['html']) && $input['html'] !== $oldHtml;
197 $nameChanged = isset($input['name']) && $input['name'] !== $oldName;
198 $markdownChanged = isset($input['markdown']) && $input['markdown'] !== $oldMarkdown;
199 if ($htmlChanged || $nameChanged || $markdownChanged || $summary) {
200 $this->revisionRepo->storeNewForPage($page, $summary);
203 Activity::add(ActivityType::PAGE_UPDATE, $page);
208 protected function updateTemplateStatusAndContentFromInput(Page $page, array $input)
210 if (isset($input['template']) && userCan('templates-manage')) {
211 $page->template = ($input['template'] === 'true');
214 $pageContent = new PageContent($page);
215 $currentEditor = $page->editor ?: PageEditorData::getSystemDefaultEditor();
216 $newEditor = $currentEditor;
218 $haveInput = isset($input['markdown']) || isset($input['html']);
219 $inputEmpty = empty($input['markdown']) && empty($input['html']);
221 if ($haveInput && $inputEmpty) {
222 $pageContent->setNewHTML('', user());
223 } elseif (!empty($input['markdown']) && is_string($input['markdown'])) {
224 $newEditor = 'markdown';
225 $pageContent->setNewMarkdown($input['markdown'], user());
226 } elseif (isset($input['html'])) {
227 $newEditor = 'wysiwyg';
228 $pageContent->setNewHTML($input['html'], user());
231 if ($newEditor !== $currentEditor && userCan('editor-change')) {
232 $page->editor = $newEditor;
237 * Save a page update draft.
239 public function updatePageDraft(Page $page, array $input)
241 // If the page itself is a draft simply update that
243 $this->updateTemplateStatusAndContentFromInput($page, $input);
250 // Otherwise, save the data to a revision
251 $draft = $this->revisionRepo->getNewDraftForCurrentUser($page);
252 $draft->fill($input);
254 if (!empty($input['markdown'])) {
255 $draft->markdown = $input['markdown'];
258 $draft->html = $input['html'];
259 $draft->markdown = '';
268 * Destroy a page from the system.
272 public function destroy(Page $page)
274 $trashCan = new TrashCan();
275 $trashCan->softDestroyPage($page);
276 Activity::add(ActivityType::PAGE_DELETE, $page);
277 $trashCan->autoClearOld();
281 * Restores a revision's content back into a page.
283 public function restoreRevision(Page $page, int $revisionId): Page
285 $oldUrl = $page->getUrl();
286 $page->revision_count++;
288 /** @var PageRevision $revision */
289 $revision = $page->revisions()->where('id', '=', $revisionId)->first();
291 $page->fill($revision->toArray());
292 $content = new PageContent($page);
294 if (!empty($revision->markdown)) {
295 $content->setNewMarkdown($revision->markdown, user());
297 $content->setNewHTML($revision->html, user());
300 $page->updated_by = user()->id;
301 $page->refreshSlug();
303 $page->indexForSearch();
304 $this->referenceStore->updateForPage($page);
306 $summary = trans('entities.pages_revision_restored_from', ['id' => strval($revisionId), 'summary' => $revision->summary]);
307 $this->revisionRepo->storeNewForPage($page, $summary);
309 if ($oldUrl !== $page->getUrl()) {
310 $this->referenceUpdater->updateEntityPageReferences($page, $oldUrl);
313 Activity::add(ActivityType::PAGE_RESTORE, $page);
314 Activity::add(ActivityType::REVISION_RESTORE, $revision);
320 * Move the given page into a new parent book or chapter.
321 * The $parentIdentifier must be a string of the following format:
322 * 'book:<id>' (book:5).
324 * @throws MoveOperationException
325 * @throws PermissionsException
327 public function move(Page $page, string $parentIdentifier): Entity
329 $parent = $this->findParentByIdentifier($parentIdentifier);
330 if (is_null($parent)) {
331 throw new MoveOperationException('Book or chapter to move page into not found');
334 if (!userCan('page-create', $parent)) {
335 throw new PermissionsException('User does not have permission to create a page within the new parent');
338 $page->chapter_id = ($parent instanceof Chapter) ? $parent->id : null;
339 $newBookId = ($parent instanceof Chapter) ? $parent->book->id : $parent->id;
340 $page->changeBook($newBookId);
341 $page->rebuildPermissions();
343 Activity::add(ActivityType::PAGE_MOVE, $page);
349 * Find a page parent entity via an identifier string in the format:
353 * @throws MoveOperationException
355 public function findParentByIdentifier(string $identifier): ?Entity
357 $stringExploded = explode(':', $identifier);
358 $entityType = $stringExploded[0];
359 $entityId = intval($stringExploded[1]);
361 if ($entityType !== 'book' && $entityType !== 'chapter') {
362 throw new MoveOperationException('Pages can only be in books or chapters');
365 $parentClass = $entityType === 'book' ? Book::class : Chapter::class;
367 return $parentClass::visible()->where('id', '=', $entityId)->first();
371 * Get a new priority for a page.
373 protected function getNewPriority(Page $page): int
375 $parent = $page->getParent();
376 if ($parent instanceof Chapter) {
377 /** @var ?Page $lastPage */
378 $lastPage = $parent->pages('desc')->first();
380 return $lastPage ? $lastPage->priority + 1 : 0;
383 return (new BookContents($page->book))->getLastPriority() + 1;