updated the group actions - edit group needs more work

git-svn-id: http://code.elgg.org/elgg/trunk@8573 36083f99-b078-4883-b0ff-0f9b5a30f544

6 files changed, 239 insertions, 0 deletions

diff --git a/mod/groups/actions/groups/membership/add.php b/mod/groups/actions/groups/membership/add.php
new file mode 100644
index 000000000..de0cba613
--- /dev/null
+++ b/mod/groups/actions/groups/membership/add.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Add users to a group
+ *
+ * @package ElggGroups
+ */
+$logged_in_user = elgg_get_logged_in_user_entity();
+
+$user_guid = get_input('user_guid');
+if (!is_array($user_guid)) {
+	$user_guid = array($user_guid);
+}
+$group_guid = get_input('group_guid');
+$group = get_entity($group_guid);
+
+if (sizeof($user_guid)) {
+	foreach ($user_guid as $u_id) {
+		$user = get_user($u_id);
+
+		if ($user && $group && $group->canEdit()) {
+			if (!$group->isMember($user)) {
+				if (groups_join_group($group, $user)) {
+
+					// send welcome email to user
+					notify_user($user->getGUID(), $group->owner_guid,
+							elgg_echo('groups:welcome:subject', array($group->name)),
+							elgg_echo('groups:welcome:body', array(
+								$user->name,
+								$group->name,
+								$group->getURL())
+							));
+
+					system_message(elgg_echo('groups:addedtogroup'));
+				} else {
+					// huh
+				}
+			}
+		}
+	}
+}
+
+forward(REFERER);
diff --git a/mod/groups/actions/groups/membership/delete_invite.php b/mod/groups/actions/groups/membership/delete_invite.php
new file mode 100644
index 000000000..4b654f0b6
--- /dev/null
+++ b/mod/groups/actions/groups/membership/delete_invite.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * Delete an invitation to join a group.
+ *
+ * @package ElggGroups
+ */
+
+$user_guid = get_input('user_guid', elgg_get_logged_in_user_guid());
+$group_guid = get_input('group_guid');
+
+$user = get_entity($user_guid);
+$group = get_entity($group_guid);
+
+// If join request made
+if (check_entity_relationship($group->guid, 'invited', $user->guid)) {
+	remove_entity_relationship($group->guid, 'invited', $user->guid);
+	system_message(elgg_echo("groups:invitekilled"));
+}
+
+forward(REFERER);
diff --git a/mod/groups/actions/groups/membership/delete_request.php b/mod/groups/actions/groups/membership/delete_request.php
new file mode 100644
index 000000000..883c9d748
--- /dev/null
+++ b/mod/groups/actions/groups/membership/delete_request.php
@@ -0,0 +1,20 @@
+<?php
+/**
+ * Delete a request to join a closed group.
+ *
+ * @package ElggGroups
+ */
+
+$user_guid = get_input('user_guid', elgg_get_logged_in_user_guid());
+$group_guid = get_input('group_guid');
+
+$user = get_entity($user_guid);
+$group = get_entity($group_guid);
+
+// If join request made
+if (check_entity_relationship($user->guid, 'membership_request', $group->guid)) {
+	remove_entity_relationship($user->guid, 'membership_request', $group->guid);
+	system_message(elgg_echo("groups:joinrequestkilled"));
+}
+
+forward(REFERER);
diff --git a/mod/groups/actions/groups/membership/invite.php b/mod/groups/actions/groups/membership/invite.php
new file mode 100644
index 000000000..b106e4869
--- /dev/null
+++ b/mod/groups/actions/groups/membership/invite.php
@@ -0,0 +1,51 @@
+<?php
+/**
+ * Invite users to join a group
+ *
+ * @package ElggGroups
+ */
+
+$logged_in_user = elgg_get_logged_in_user_entity();
+
+$user_guid = get_input('user_guid');
+if (!is_array($user_guid)) {
+	$user_guid = array($user_guid);
+}
+$group_guid = get_input('group_guid');
+
+if (sizeof($user_guid)) {
+	foreach ($user_guid as $u_id) {
+		$user = get_entity($u_id);
+		$group = get_entity($group_guid);
+
+		if ($user && $group && ($group instanceof ElggGroup) && $group->canEdit()) {
+
+			if (!check_entity_relationship($group->guid, 'invited', $user->guid)) {
+
+				// Create relationship
+				add_entity_relationship($group->guid, 'invited', $user->guid);
+
+				// Send email
+				$url = elgg_normalize_url("pg/groups/invitations/$user->username");
+				$result = notify_user($user->getGUID(), $group->owner_guid,
+						elgg_echo('groups:invite:subject', array($user->name, $group->name)),
+						elgg_echo('groups:invite:body', array(
+							$user->name,
+							$logged_in_user->name,
+							$group->name,
+							$url,
+						)),
+						NULL);
+				if ($result) {
+					system_message(elgg_echo("groups:userinvited"));
+				} else {
+					register_error(elgg_echo("groups:usernotinvited"));
+				}
+			} else {
+				register_error(elgg_echo("groups:useralreadyinvited"));
+			}
+		}
+	}
+}
+
+forward(REFERER);
diff --git a/mod/groups/actions/groups/membership/join.php b/mod/groups/actions/groups/membership/join.php
new file mode 100644
index 000000000..3c4571a59
--- /dev/null
+++ b/mod/groups/actions/groups/membership/join.php
@@ -0,0 +1,70 @@
+<?php
+/**
+ * Join a group
+ *
+ * Three states:
+ * open group so user joins
+ * closed group so request sent to group owner
+ * closed group with invite so user joins
+ * 
+ * @package ElggGroups
+ */
+
+$user_guid = get_input('user_guid', elgg_get_logged_in_user_guid());
+$group_guid = get_input('group_guid');
+
+$user = get_entity($user_guid);
+
+// @todo investigate if the access bypass is needed
+$ia = elgg_set_ignore_access(true);
+$group = get_entity($group_guid);
+elgg_set_ignore_access($ia);
+
+if (($user instanceof ElggUser) && ($group instanceof ElggGroup)) {
+
+	// join or request
+	$join = false;
+	if ($group->isPublicMembership() || $group->canEdit($user->guid)) {
+		// anyone can join public groups and admins can join any group
+		$join = true;
+	} else {
+		if (check_entity_relationship($user->guid, 'membership_request', $group->guid)) {
+			// user has invite to closed group
+			$join = true;
+		}
+	}
+
+	if ($join) {
+		if (groups_join_group($group, $user)) {
+			system_message(elgg_echo("groups:joined"));
+			forward($group->getURL());
+		} else {
+			register_error(elgg_echo("groups:cantjoin"));
+		}
+	} else {
+		add_entity_relationship($user->guid, 'membership_request', $group->guid);
+
+		// Notify group owner
+		$url = "{$CONFIG->url}mod/groups/membershipreq.php?group_guid={$group->guid}";
+		$subject = elgg_echo('groups:request:subject', array(
+			$user->name,
+			$group->name,
+		));
+		$body = elgg_echo('groups:request:body', array(
+			$group->getOwnerEntity()->name,
+			$user->name,
+			$group->name,
+			$user->getURL(),
+			$url,
+		));
+		if (notify_user($group->owner_guid, $user->getGUID(), $subject, $body)) {
+			system_message(elgg_echo("groups:joinrequestmade"));
+		} else {
+			register_error(elgg_echo("groups:joinrequestnotmade"));
+		}
+	}
+} else {
+	register_error(elgg_echo("groups:cantjoin"));
+}
+
+forward(REFERER);
diff --git a/mod/groups/actions/groups/membership/leave.php b/mod/groups/actions/groups/membership/leave.php
new file mode 100644
index 000000000..390870df1
--- /dev/null
+++ b/mod/groups/actions/groups/membership/leave.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Leave a group action.
+ *
+ * @package ElggGroups
+ */
+
+$user_guid = get_input('user_guid');
+$group_guid = get_input('group_guid');
+
+$user = NULL;
+if (!$user_guid) {
+	$user = elgg_get_logged_in_user_entity();
+} else {
+	$user = get_entity($user_guid);
+}
+
+$group = get_entity($group_guid);
+
+set_page_owner($group->guid);
+
+if (($user instanceof ElggUser) && ($group instanceof ElggGroup)) {
+	if ($group->getOwnerGUID() != elgg_get_logged_in_user_guid()) {
+		if ($group->leave($user)) {
+			system_message(elgg_echo("groups:left"));
+		} else {
+			register_error(elgg_echo("groups:cantleave"));
+		}
+	} else {
+		register_error(elgg_echo("groups:cantleave"));
+	}
+} else {
+	register_error(elgg_echo("groups:cantleave"));
+}
+
+forward(REFERER);