Performances: reorder links when they're written instead of read

relates to #891

2 files changed, 16 insertions, 9 deletions

diff --git a/application/LinkDB.php b/application/LinkDB.php
index 22c1f0ab..eace625e 100644
--- a/application/LinkDB.php
+++ b/application/LinkDB.php
@@ -289,13 +289,15 @@ You use the community supported version of the original Shaarli project, by Seba
             return;
         }
 
+        $this->urls = [];
+        $this->ids = [];
         $this->links = FileUtils::readFlatDB($this->datastore, []);
 
         $toremove = array();
         foreach ($this->links as $key => &$link) {
             if (! $this->loggedIn && $link['private'] != 0) {
                 // Transition for not upgraded databases.
-                $toremove[] = $key;
+                unset($this->links[$key]);
                 continue;
             }
 
@@ -329,14 +331,10 @@ You use the community supported version of the original Shaarli project, by Seba
                 }
                 $link['shorturl'] = smallHash($link['linkdate']);
             }
-        }
 
-        // If user is not logged in, filter private links.
-        foreach ($toremove as $offset) {
-            unset($this->links[$offset]);
+            $this->urls[$link['url']] = $key;
+            $this->ids[$link['id']] = $key;
         }
-
-        $this->reorder();
     }
 
     /**
@@ -346,6 +344,7 @@ You use the community supported version of the original Shaarli project, by Seba
      */
     private function write()
     {
+        $this->reorder();
         FileUtils::writeFlatDB($this->datastore, $this->links);
     }
 
@@ -528,8 +527,8 @@ You use the community supported version of the original Shaarli project, by Seba
             return $a['created'] < $b['created'] ? 1 * $order : -1 * $order;
         });
 
-        $this->urls = array();
-        $this->ids = array();
+        $this->urls = [];
+        $this->ids = [];
         foreach ($this->links as $key => $link) {
             $this->urls[$link['url']] = $key;
             $this->ids[$link['id']] = $key;
diff --git a/application/Updater.php b/application/Updater.php
index 40a15906..0702158a 100644
--- a/application/Updater.php
+++ b/application/Updater.php
@@ -436,6 +436,14 @@ class Updater
         }
         return true;
     }
+
+    /**
+     * Save the datastore -> the link order is now applied when links are saved.
+     */
+    public function updateMethodReorderDatastore()
+    {
+        $this->linkDB->save($this->conf->get('resource.page_cache'));
+    }
 }
 
 /**