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-rw-r--r--plugins/libkolab/lib/kolab_storage_config.php94
1 files changed, 94 insertions, 0 deletions
diff --git a/plugins/libkolab/lib/kolab_storage_config.php b/plugins/libkolab/lib/kolab_storage_config.php
index 8a0fab5..35d0d62 100644
--- a/plugins/libkolab/lib/kolab_storage_config.php
+++ b/plugins/libkolab/lib/kolab_storage_config.php
@@ -654,6 +654,100 @@ class kolab_storage_config
}
/**
+ * Find objects linked with the given groupware object through a relation
+ *
+ * @param string Object UUID
+ * @param array List of related URIs
+ */
+ public function get_object_links($uid)
+ {
+ $links = array();
+ $object_uri = self::build_member_url($uid);
+
+ foreach ($this->get_relations_for_member($uid) as $relation) {
+ if (in_array($object_uri, (array) $relation['members'])) {
+ // make relation members up-to-date
+ kolab_storage_config::resolve_members($relation);
+
+ foreach ($relation['members'] as $member) {
+ if ($member != $object_uri) {
+ $links[] = $member;
+ }
+ }
+ }
+ }
+
+ return array_unique($links);
+ }
+
+ /**
+ *
+ */
+ public function save_object_links($uid, $links, $remove = array())
+ {
+ $object_uri = self::build_member_url($uid);
+ $relations = $this->get_relations_for_member($uid);
+ $done = false;
+
+ foreach ($relations as $relation) {
+ // make relation members up-to-date
+ kolab_storage_config::resolve_members($relation);
+
+ // remove and add links
+ $members = array_diff($relation['members'], (array)$remove);
+ $members = array_unique(array_merge($members, $links));
+
+ // make sure the object_uri is still a member
+ if (!in_array($object_uri, $members)) {
+ $members[$obejct_uri];
+ }
+
+ // remove relation if no other members remain
+ if (count($members) <= 1) {
+ $done = $this->delete($relation['uid']);
+ }
+ // update relation object if members changed
+ else if (count(array_diff($members, $relation['members'])) || count(array_diff($relation['members'], $members))) {
+ $relation['members'] = $members;
+ $done = $this->save($relation, 'relation');
+ $links = array();
+ }
+ // no changes, we're happy
+ else {
+ $done = true;
+ $links = array();
+ }
+ }
+
+ // create a new relation
+ if (!$done) {
+ $relation = array(
+ 'members' => array_merge($links, array($object_uri)),
+ 'category' => 'generic',
+ );
+
+ $ret = $this->save($relation, 'relation');
+ }
+
+ return $ret;
+ }
+
+ /**
+ * Find relation objects referring to specified note
+ */
+ public function get_relations_for_member($uid, $reltype = 'generic')
+ {
+ $default = true;
+ $filter = array(
+ array('type', '=', 'relation'),
+ array('category', '=', $reltype),
+ array('member', '=', $uid),
+ );
+
+ return $this->get_objects($filter, $default, 100);
+ }
+
+ /**
* Find kolab objects assigned to specified e-mail message
*
* @param rcube_message $message E-mail message