updated the group actions - edit group needs more work

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

9 files changed, 454 insertions, 0 deletions

diff --git a/mod/groups/actions/groups/delete.php b/mod/groups/actions/groups/delete.php
new file mode 100644
index 000000000..9ed7954dc
--- /dev/null
+++ b/mod/groups/actions/groups/delete.php
@@ -0,0 +1,37 @@
+<?php
+/**
+ * Delete a group
+ */
+		
+$guid = (int) get_input('group_guid');
+$entity = get_entity($guid);
+
+if (!$entity->canEdit()) {
+	register_error(elgg_echo('group:notdeleted'));
+	forward(REFERER);
+}
+
+if (($entity) && ($entity instanceof ElggGroup)) {
+	// delete group icons
+	$owner_guid = $entity->owner_guid;
+	$prefix = "groups/" . $entity->guid;
+	$imagenames = array('.jpg', 'tiny.jpg', 'small.jpg', 'medium.jpg', 'large.jpg');
+	$img = new ElggFile();
+	$img->owner_guid = $owner_guid;
+	foreach ($imagenames as $name) {
+		$img->setFilename($prefix . $name);
+		$img->delete();
+	}
+
+	// delete group
+	if ($entity->delete()) {
+		system_message(elgg_echo('group:deleted'));
+	} else {
+		register_error(elgg_echo('group:notdeleted'));
+	}
+} else {
+	register_error(elgg_echo('group:notdeleted'));
+}
+
+$url_name = elgg_get_logged_in_user_entity()->username;
+forward(elgg_get_site_url() . "pg/groups/member/{$url_name}");
diff --git a/mod/groups/actions/groups/edit.php b/mod/groups/actions/groups/edit.php
new file mode 100644
index 000000000..b3c39c461
--- /dev/null
+++ b/mod/groups/actions/groups/edit.php
@@ -0,0 +1,152 @@
+<?php
+/**
+ * Elgg groups plugin edit action.
+ *
+ * @package ElggGroups
+ */
+
+// Load configuration
+global $CONFIG;
+
+/**
+ * wrapper for recursive array walk decoding
+ */
+function profile_array_decoder(&$v) {
+	$v = html_entity_decode($v, ENT_COMPAT, 'UTF-8');
+}
+
+// Get group fields
+$input = array();
+foreach ($CONFIG->group as $shortname => $valuetype) {
+	// another work around for Elgg's encoding problems: #561, #1963
+	$input[$shortname] = get_input($shortname);
+	if (is_array($input[$shortname])) {
+		array_walk_recursive($input[$shortname], 'profile_array_decoder');
+	} else {
+		$input[$shortname] = html_entity_decode($input[$shortname], ENT_COMPAT, 'UTF-8');
+	}
+
+	if ($valuetype == 'tags') {
+		$input[$shortname] = string_to_tag_array($input[$shortname]);
+	}
+}
+
+$input['name'] = get_input('name');
+$input['name'] = html_entity_decode($input['name'], ENT_COMPAT, 'UTF-8');
+
+$user = elgg_get_logged_in_user_entity();
+
+$group_guid = (int)get_input('group_guid');
+$new_group_flag = $group_guid == 0;
+
+$group = new ElggGroup($group_guid); // load if present, if not create a new group
+if (($group_guid) && (!$group->canEdit())) {
+	register_error(elgg_echo("groups:cantedit"));
+
+	forward(REFERER);
+}
+
+// Assume we can edit or this is a new group
+if (sizeof($input) > 0) {
+	foreach($input as $shortname => $value) {
+		$group->$shortname = $value;
+	}
+}
+
+// Validate create
+if (!$group->name) {
+	register_error(elgg_echo("groups:notitle"));
+
+	forward(REFERER);
+}
+
+// Group membership - should these be treated with same constants as access permissions?
+switch (get_input('membership')) {
+	case ACCESS_PUBLIC:
+		$group->membership = ACCESS_PUBLIC;
+		break;
+	default:
+		$group->membership = ACCESS_PRIVATE;
+}
+
+// Set access - all groups are public from elgg's point of view, unless the override is in place
+if (elgg_get_plugin_setting('hidden_groups', 'groups') == 'yes') {
+	$visibility = (int)get_input('vis', '', false);
+
+	$group->access_id = $visibility;
+} else {
+	$group->access_id = ACCESS_PUBLIC;
+}
+
+// Set group tool options
+if (isset($CONFIG->group_tool_options)) {
+	foreach ($CONFIG->group_tool_options as $group_option) {
+		$group_option_toggle_name = $group_option->name . "_enable";
+		if ($group_option->default_on) {
+			$group_option_default_value = 'yes';
+		} else {
+			$group_option_default_value = 'no';
+		}
+		$group->$group_option_toggle_name = get_input($group_option_toggle_name, $group_option_default_value);
+	}
+}	
+
+$group->save();
+
+// group creator needs to be member of new group and river entry created
+if ($new_group_flag) {
+	set_page_owner($group->guid);
+	$group->join($user);
+	add_to_river('river/group/create', 'create', $user->guid, $group->guid);
+}
+
+
+
+// Now see if we have a file icon
+if ((isset($_FILES['icon'])) && (substr_count($_FILES['icon']['type'],'image/'))) {
+	$prefix = "groups/".$group->guid;
+
+	$filehandler = new ElggFile();
+	$filehandler->owner_guid = $group->owner_guid;
+	$filehandler->setFilename($prefix . ".jpg");
+	$filehandler->open("write");
+	$filehandler->write(get_uploaded_file('icon'));
+	$filehandler->close();
+
+	$thumbtiny = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(),25,25, true);
+	$thumbsmall = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(),40,40, true);
+	$thumbmedium = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(),100,100, true);
+	$thumblarge = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(),200,200, false);
+	if ($thumbtiny) {
+
+		$thumb = new ElggFile();
+		$thumb->owner_guid = $group->owner_guid;
+		$thumb->setMimeType('image/jpeg');
+
+		$thumb->setFilename($prefix."tiny.jpg");
+		$thumb->open("write");
+		$thumb->write($thumbtiny);
+		$thumb->close();
+
+		$thumb->setFilename($prefix."small.jpg");
+		$thumb->open("write");
+		$thumb->write($thumbsmall);
+		$thumb->close();
+
+		$thumb->setFilename($prefix."medium.jpg");
+		$thumb->open("write");
+		$thumb->write($thumbmedium);
+		$thumb->close();
+
+		$thumb->setFilename($prefix."large.jpg");
+		$thumb->open("write");
+		$thumb->write($thumblarge);
+		$thumb->close();
+
+		$group->icontime = time();
+	}
+}
+
+system_message(elgg_echo("groups:saved"));
+
+forward($group->getUrl());
diff --git a/mod/groups/actions/groups/featured.php b/mod/groups/actions/groups/featured.php
new file mode 100644
index 000000000..2d623b1e4
--- /dev/null
+++ b/mod/groups/actions/groups/featured.php
@@ -0,0 +1,26 @@
+<?php	
+/**
+ * Feature a group
+ *
+ * @package ElggGroups
+ */
+
+$group_guid = get_input('group_guid');
+$action = get_input('action_type');
+
+$group = get_entity($group_guid);
+
+if ($group) {
+	//get the action, is it to feature or unfeature
+	if ($action == "feature") {
+		$group->featured_group = "yes";
+		system_message(elgg_echo('groups:featuredon'));
+	}
+
+	if ($action == "unfeature") {
+		$group->featured_group = "no";
+		system_message(elgg_echo('groups:unfeatured'));
+	}
+}
+
+forward(REFERER);
diff --git a/mod/groups/actions/groups/membership/add.php b/mod/groups/actions/groups/membership/add.php
new file mode 100644
index 000000000..de0cba613
--- /dev/null
+++ b/mod/groups/actions/groups/membership/add.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Add users to a group
+ *
+ * @package ElggGroups
+ */
+$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);