BookStack Code Mirror - bookstack/blob - app/Entities/Repos/RevisionRepo.php

   1 <?php
   2
   3 namespace BookStack\Entities\Repos;
   4
   5 use BookStack\Entities\Models\Page;
   6 use BookStack\Entities\Models\PageRevision;
   7 use BookStack\Entities\Queries\PageRevisionQueries;
   8
   9 class RevisionRepo
  10 {
  11     public function __construct(
  12         protected PageRevisionQueries $queries,
  13     ) {
  14     }
  15
  16     /**
  17      * Delete all drafts revisions, for the given page, belonging to the current user.
  18      */
  19     public function deleteDraftsForCurrentUser(Page $page): void
  20     {
  21         $this->queries->latestCurrentUserDraftsForPageId($page->id)->delete();
  22     }
  23
  24     /**
  25      * Get a user update_draft page revision to update for the given page.
  26      * Checks for an existing revisions before providing a fresh one.
  27      */
  28     public function getNewDraftForCurrentUser(Page $page): PageRevision
  29     {
  30         $draft = $this->queries->findLatestCurrentUserDraftsForPageId($page->id);
  31
  32         if ($draft) {
  33             return $draft;
  34         }
  35
  36         $draft = new PageRevision();
  37         $draft->page_id = $page->id;
  38         $draft->slug = $page->slug;
  39         $draft->book_slug = $page->book->slug;
  40         $draft->created_by = user()->id;
  41         $draft->type = 'update_draft';
  42
  43         return $draft;
  44     }
  45
  46     /**
  47      * Store a new revision in the system for the given page.
  48      */
  49     public function storeNewForPage(Page $page, ?string $summary = null): PageRevision
  50     {
  51         $revision = new PageRevision();
  52
  53         $revision->name = $page->name;
  54         $revision->html = $page->html;
  55         $revision->markdown = $page->markdown;
  56         $revision->text = $page->text;
  57         $revision->page_id = $page->id;
  58         $revision->slug = $page->slug;
  59         $revision->book_slug = $page->book->slug;
  60         $revision->created_by = user()->id;
  61         $revision->created_at = $page->updated_at;
  62         $revision->type = 'version';
  63         $revision->summary = $summary;
  64         $revision->revision_number = $page->revision_count;
  65         $revision->save();
  66
  67         $this->deleteOldRevisions($page);
  68
  69         return $revision;
  70     }
  71
  72     /**
  73      * Delete old revisions, for the given page, from the system.
  74      */
  75     protected function deleteOldRevisions(Page $page)
  76     {
  77         $revisionLimit = config('app.revision_limit');
  78         if ($revisionLimit === false) {
  79             return;
  80         }
  81
  82         $revisionsToDelete = PageRevision::query()
  83             ->where('page_id', '=', $page->id)
  84             ->orderBy('created_at', 'desc')
  85             ->skip(intval($revisionLimit))
  86             ->take(10)
  87             ->get(['id']);
  88
  89         if ($revisionsToDelete->count() > 0) {
  90             PageRevision::query()->whereIn('id', $revisionsToDelete->pluck('id'))->delete();
  91         }
  92     }
  93 }