Merge pull request #3 from OsmosysSoftware/revert-1-issue-181

[bookstack] / app / PageRevision.php

diff --git a/app/PageRevision.php b/app/PageRevision.php
index 1ffd63dbd584700376c983e39a4f4c1c8ce36800..ff469f0ed3a78b3d3750c3ff6d07b6b2d787c226 100644 (file)
--- a/app/PageRevision.php
+++ b/app/PageRevision.php
@@ -25,11 +25,26 @@ class PageRevision extends Model
 
     /**
      * Get the url for this revision.
 
     /**
      * Get the url for this revision.

+     * @param null|string $path

      * @return string
      */
      * @return string
      */

-    public function getUrl()
+    public function getUrl($path = null)

     {
     {

-        return $this->page->getUrl() . '/revisions/' . $this->id;
+        $url = $this->page->getUrl() . '/revisions/' . $this->id;
+        if ($path) return $url . '/' . trim($path, '/');
+        return $url;
+    }
+
+    /**
+     * Get the previous revision for the same page if existing
+     * @return \BookStack\PageRevision|null
+     */
+    public function getPrevious()
+    {
+        if ($id = static::where('page_id', '=', $this->page_id)->where('id', '<', $this->id)->max('id')) {
+            return static::find($id);
+        }
+        return null;

     }
 
 }
     }
 
 }