132 lines
3.8 KiB
PHP
132 lines
3.8 KiB
PHP
<?php
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namespace BookStack\Entities\Repos;
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use BookStack\Entities\Models\Page;
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use BookStack\Entities\Models\PageRevision;
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use Illuminate\Database\Eloquent\Builder;
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class RevisionRepo
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{
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/**
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* Get a revision by its stored book and page slug values.
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*/
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public function getBySlugs(string $bookSlug, string $pageSlug): ?PageRevision
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{
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/** @var ?PageRevision $revision */
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$revision = PageRevision::query()
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->whereHas('page', function (Builder $query) {
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$query->scopes('visible');
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})
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->where('slug', '=', $pageSlug)
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->where('type', '=', 'version')
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->where('book_slug', '=', $bookSlug)
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->orderBy('created_at', 'desc')
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->with('page')
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->first();
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return $revision;
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}
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/**
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* Get the latest draft revision, for the given page, belonging to the current user.
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*/
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public function getLatestDraftForCurrentUser(Page $page): ?PageRevision
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{
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/** @var ?PageRevision $revision */
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$revision = $this->queryForCurrentUserDraft($page->id)->first();
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return $revision;
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}
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/**
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* Delete all drafts revisions, for the given page, belonging to the current user.
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*/
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public function deleteDraftsForCurrentUser(Page $page): void
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{
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$this->queryForCurrentUserDraft($page->id)->delete();
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}
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/**
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* Get a user update_draft page revision to update for the given page.
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* Checks for an existing revisions before providing a fresh one.
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*/
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public function getNewDraftForCurrentUser(Page $page): PageRevision
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{
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$draft = $this->getLatestDraftForCurrentUser($page);
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if ($draft) {
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return $draft;
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}
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$draft = new PageRevision();
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$draft->page_id = $page->id;
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$draft->slug = $page->slug;
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$draft->book_slug = $page->book->slug;
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$draft->created_by = user()->id;
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$draft->type = 'update_draft';
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return $draft;
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}
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/**
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* Store a new revision in the system for the given page.
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*/
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public function storeNewForPage(Page $page, string $summary = null): PageRevision
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{
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$revision = new PageRevision();
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$revision->name = $page->name;
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$revision->html = $page->html;
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$revision->markdown = $page->markdown;
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$revision->text = $page->text;
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$revision->page_id = $page->id;
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$revision->slug = $page->slug;
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$revision->book_slug = $page->book->slug;
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$revision->created_by = user()->id;
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$revision->created_at = $page->updated_at;
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$revision->type = 'version';
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$revision->summary = $summary;
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$revision->revision_number = $page->revision_count;
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$revision->save();
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$this->deleteOldRevisions($page);
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return $revision;
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}
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/**
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* Delete old revisions, for the given page, from the system.
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*/
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protected function deleteOldRevisions(Page $page)
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{
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$revisionLimit = config('app.revision_limit');
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if ($revisionLimit === false) {
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return;
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}
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$revisionsToDelete = PageRevision::query()
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->where('page_id', '=', $page->id)
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->orderBy('created_at', 'desc')
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->skip(intval($revisionLimit))
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->take(10)
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->get(['id']);
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if ($revisionsToDelete->count() > 0) {
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PageRevision::query()->whereIn('id', $revisionsToDelete->pluck('id'))->delete();
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}
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}
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/**
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* Query update draft revisions for the current user.
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*/
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protected function queryForCurrentUserDraft(int $pageId): Builder
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{
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return PageRevision::query()
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->where('created_by', '=', user()->id)
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->where('type', 'update_draft')
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->where('page_id', '=', $pageId)
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->orderBy('created_at', 'desc');
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}
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}
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