Implement DAV calendars sync with clones

3 files changed, 76 insertions, 2 deletions

diff --git a/include/cdav.php b/include/cdav.php
index d72caa442..cdf7775db 100644
--- a/include/cdav.php
+++ b/include/cdav.php
@@ -175,12 +175,12 @@ function import_cdav_card($id, $ext, $table, $column, $objects, $profile, $backe
 
 function get_cdav_id($principaluri, $uri, $table) {
 
-        $r = q("SELECT id FROM $table WHERE principaluri = '%s' AND uri = '%s' LIMIT 1",
+        $r = q("SELECT * FROM $table WHERE principaluri = '%s' AND uri = '%s' LIMIT 1",
                 dbesc($principaluri),
                 dbesc($uri)
         );
         if(! $r)
                 return false;
 
-        return $r[0]['id'];
+        return $r[0];
 }
diff --git a/include/import.php b/include/import.php
index 0519052d8..bfe71963f 100644
--- a/include/import.php
+++ b/include/import.php
@@ -1503,6 +1503,7 @@ function sync_files($channel, $files) {
 	}
 }
 
+
 /**
  * @brief Synchronize addressbooks.
  *
@@ -1571,6 +1572,76 @@ function sync_addressbook($channel, $data) {
 
 
 /**
+ * @brief Synchronize calendars.
+ *
+ * @param array $channel
+ * @param array $data
+ */
+function sync_calendar($channel, $data) {
+
+	if(! \Zotlabs\Lib\Apps::system_app_installed($channel['channel_id'], 'Calendar'))
+		return;
+
+	logger("debug: " . print_r($data,true), LOGGER_DEBUG);
+
+	require_once('include/cdav.php');
+
+        $principalUri = 'principals/' . $channel['channel_address'];
+
+	if($data['action'] !== 'create') {
+		$x = get_cdav_id($principalUri, $data['uri'], 'calendarinstances');
+		if(! $x)
+			return;
+		$id = [ $x['id'], $x['calendarid'] ];
+	}
+
+	$pdo = \DBA::$dba->db;
+
+	$caldavBackend = new \Sabre\CalDAV\Backend\PDO($pdo);
+	$calendars = $caldavBackend->getCalendarsForUser($principalUri);
+
+	switch($data['action']) {
+
+		case 'create':
+			$id = $caldavBackend->createCalendar($principalUri, $data['uri'], $data['properties']);
+			set_pconfig($channel['channel_id'], 'cdav_calendar', $id[0], 1);
+			break;
+
+		case 'drop':
+			$caldavBackend->deleteCalendar($id);
+			break;
+
+		case 'edit':
+			$patch = new \Sabre\DAV\PropPatch($data['mutations']);
+			$caldavBackend->updateCalendar($id, $patch);
+			$patch->commit();
+			break;
+
+		case 'delete_card':
+			$caldavBackend->deleteCalendarObject($id, $data['carduri']);
+			break;
+
+		case 'update_card':
+			$caldavBackend->updateCalendarObject($id, $data['carduri'], $data['card']);			
+			break;
+
+		case 'switch':
+			set_pconfig($channel['channel_id'], 'cdav_calendar', $id[0], $data['switch']);
+			break;
+
+		case 'import':
+			$objects = new \Sabre\VObject\Splitter\ICalendar($data['card']);
+			$profile = \Sabre\VObject\Node::PROFILE_CALDAV;
+			import_cdav_card($id, 'ics', 'calendarobjects', 'calendarid', $objects, $profile, $caldavBackend, $data['ids']);
+			break;
+
+		default:
+			break;
+	}
+}
+
+
+/**
  * @brief Rename a key in an array.
  *
  * Replaces $old key with $new key in $arr.
diff --git a/include/zot.php b/include/zot.php
index c02dab162..5d5ac8424 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -3614,6 +3614,9 @@ function process_channel_sync_delivery($sender, $arr, $deliveries) {
 		if(array_key_exists('addressbook',$arr) && $arr['addressbook'])
 			sync_addressbook($channel,$arr['addressbook']);
 
+		if(array_key_exists('calendar',$arr) && $arr['calendar'])
+			sync_calendar($channel,$arr['calendar']);
+
 		if(array_key_exists('chatroom',$arr) && $arr['chatroom'])
 			sync_chatrooms($channel,$arr['chatroom']);