AutoCompletion backend

* introduce a Controller for requests
* introduce result sorting mechanism
* extend Comments to retrieve commentors (actors) in a tree
* add commenters sorter
* add share recipients sorter

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

1 files changed, 85 insertions, 0 deletions

diff --git a/apps/files_sharing/lib/Collaboration/ShareRecipientSorter.php b/apps/files_sharing/lib/Collaboration/ShareRecipientSorter.php
new file mode 100644
index 00000000000..ba07d9d44d0
--- /dev/null
+++ b/apps/files_sharing/lib/Collaboration/ShareRecipientSorter.php
@@ -0,0 +1,85 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Files_Sharing\Collaboration;
+
+
+use OCP\Collaboration\AutoComplete\ISorter;
+use OCP\Files\Folder;
+use OCP\Files\Node;
+use OCP\Share\IManager;
+
+class ShareRecipientSorter implements ISorter {
+
+	/** @var IManager */
+	private $shareManager;
+	/** @var Folder */
+	private $userFolder;
+
+	public function __construct(IManager $shareManager, Folder $userFolder) {
+		$this->shareManager = $shareManager;
+		$this->userFolder = $userFolder;
+	}
+
+	public function getId() {
+		return 'share-recipients';
+	}
+
+	public function sort(array &$sortArray, array $context) {
+		// let's be tolerant. Comments  uses "files" by default, other usages are often singular
+		if($context['itemType'] !== 'files' && $context['itemType'] !== 'file') {
+			return;
+		}
+		/** @var Node[] $nodes */
+		$nodes = $this->userFolder->getById((int)$context['itemId']);
+		if(count($nodes) === 0) {
+			return;
+		}
+		$al = $this->shareManager->getAccessList($nodes[0]);
+
+		foreach ($sortArray as $type => &$byType) {
+			if(!isset($al[$type]) || !is_array($al[$type])) {
+				continue;
+			}
+			usort($byType, function ($a, $b) use ($al, $type) {
+				return  $this->compare($a, $b, $al[$type]);
+			});
+		}
+	}
+
+	/**
+	 * @param array $a
+	 * @param array $b
+	 * @param array $al
+	 * @return int
+	 */
+	protected function compare(array $a, array $b, array $al) {
+		$a = $a['value']['shareWith'];
+		$b = $b['value']['shareWith'];
+
+		$valueA = (int)in_array($a, $al, true);
+		$valueB = (int)in_array($b, $al, true);
+
+		return $valueB - $valueA;
+	}
+}