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- <?php
- /**
- * Elgg groups plugin edit action.
- *
- * @package ElggGroups
- */
- elgg_make_sticky_form('groups');
- /**
- * wrapper for recursive array walk decoding
- *
- * @param string &$v value
- *
- * @return string
- */
- function profile_array_decoder(&$v) {
- $v = _elgg_html_decode($v);
- }
- // Get group fields
- $input = array();
- foreach (elgg_get_config('group') as $shortname => $valuetype) {
- $input[$shortname] = get_input($shortname);
- // @todo treat profile fields as unescaped: don't filter, encode on output
- if (is_array($input[$shortname])) {
- array_walk_recursive($input[$shortname], 'profile_array_decoder');
- } else {
- $input[$shortname] = _elgg_html_decode($input[$shortname]);
- }
- if ($valuetype == 'tags') {
- $input[$shortname] = string_to_tag_array($input[$shortname]);
- }
- }
- $input['name'] = htmlspecialchars(get_input('name', '', false), ENT_QUOTES, 'UTF-8');
- $user = elgg_get_logged_in_user_entity();
- $group_guid = (int)get_input('group_guid');
- $is_new_group = $group_guid == 0;
- if ($is_new_group
- && (elgg_get_plugin_setting('limited_groups', 'groups') == 'yes')
- && !$user->isAdmin()) {
- register_error(elgg_echo("groups:cantcreate"));
- forward(REFERER);
- }
- $group = $group_guid ? get_entity($group_guid) : new ElggGroup();
- if (elgg_instanceof($group, "group") && !$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 => $value) {
- // update access collection name if group name changes
- if (!$is_new_group && $shortname == 'name' && $value != $group->name) {
- $group_name = html_entity_decode($value, ENT_QUOTES, 'UTF-8');
- $ac_name = sanitize_string(elgg_echo('groups:group') . ": " . $group_name);
- $acl = get_access_collection($group->group_acl);
- if ($acl) {
- // @todo Elgg api does not support updating access collection name
- $db_prefix = elgg_get_config('dbprefix');
- $query = "UPDATE {$db_prefix}access_collections SET name = '$ac_name'
- WHERE id = $group->group_acl";
- update_data($query);
- }
- }
- $group->$shortname = $value;
- }
- }
- // Validate create
- if (!$group->name) {
- register_error(elgg_echo("groups:notitle"));
- forward(REFERER);
- }
- // Set group tool options
- $tool_options = elgg_get_config('group_tool_options');
- if ($tool_options) {
- foreach ($tool_options as $group_option) {
- $option_toggle_name = $group_option->name . "_enable";
- $option_default = $group_option->default_on ? 'yes' : 'no';
- $group->$option_toggle_name = get_input($option_toggle_name, $option_default);
- }
- }
- // Group membership - should these be treated with same constants as access permissions?
- $is_public_membership = (get_input('membership') == ACCESS_PUBLIC);
- $group->membership = $is_public_membership ? ACCESS_PUBLIC : ACCESS_PRIVATE;
- $content_access_mode = get_input('content_access_mode');
- $group->setContentAccessMode($content_access_mode);
- if ($is_new_group) {
- $group->access_id = ACCESS_PUBLIC;
- // if new group, we need to save so group acl gets set in event handler
- $group->save();
- }
- // Invisible group support
- // @todo this requires save to be called to create the acl for the group. This
- // is an odd requirement and should be removed. Either the acl creation happens
- // in the action or the visibility moves to a plugin hook
- if (elgg_get_plugin_setting('hidden_groups', 'groups') == 'yes') {
- $visibility = (int)get_input('vis');
- if ($visibility == ACCESS_PRIVATE) {
- // Make this group visible only to group members. We need to use
- // ACCESS_PRIVATE on the form and convert it to group_acl here
- // because new groups do not have acl until they have been saved once.
- $visibility = $group->group_acl;
- // Force all new group content to be available only to members
- $group->setContentAccessMode(ElggGroup::CONTENT_ACCESS_MODE_MEMBERS_ONLY);
- }
- $group->access_id = $visibility;
- }
- $group->save();
- // default access
- $default_access = (int) get_input('group_default_access');
- if (($group->getContentAccessMode() === ElggGroup::CONTENT_ACCESS_MODE_MEMBERS_ONLY) && (($default_access === ACCESS_PUBLIC) || ($default_access === ACCESS_LOGGED_IN))) {
- system_message(elgg_echo('group_tools:action:group:edit:error:default_access'));
- $default_access = (int) $group->group_acl;
- }
- $group->setPrivateSetting("elgg_default_access", $default_access);
- // group saved so clear sticky form
- elgg_clear_sticky_form('groups');
- // group creator needs to be member of new group and river entry created
- if ($is_new_group) {
- // @todo this should not be necessary...
- elgg_set_page_owner_guid($group->guid);
- $group->join($user);
- elgg_create_river_item(array(
- 'view' => 'river/group/create',
- 'action_type' => 'create',
- 'subject_guid' => $user->guid,
- 'object_guid' => $group->guid,
- ));
- }
- $has_uploaded_icon = get_resized_image_from_uploaded_file("icon", 100, 100);
- if ($has_uploaded_icon) {
- $icon_sizes = elgg_get_config('icon_sizes');
- $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();
- $filename = $filehandler->getFilenameOnFilestore();
- $sizes = array('tiny', 'small', 'medium', 'large');
- $thumbs = array();
- foreach ($sizes as $size) {
- $thumbs[$size] = get_resized_image_from_existing_file(
- $filename,
- $icon_sizes[$size]['w'],
- $icon_sizes[$size]['h'],
- $icon_sizes[$size]['square']
- );
- }
- if ($thumbs['tiny']) { // just checking if resize successful
- $thumb = new ElggFile();
- $thumb->owner_guid = $group->owner_guid;
- $thumb->setMimeType('image/jpeg');
- foreach ($sizes as $size) {
- $thumb->setFilename("{$prefix}{$size}.jpg");
- $thumb->open("write");
- $thumb->write($thumbs[$size]);
- $thumb->close();
- }
- $group->icontime = time();
- }
- }
- // owner transfer
- $old_owner_guid = $is_new_group ? 0 : $group->owner_guid;
- $new_owner_guid = (int) get_input('owner_guid');
- if (!$is_new_group && $new_owner_guid && ($new_owner_guid != $old_owner_guid)) {
- // who can transfer
- $admin_transfer = elgg_get_plugin_setting("admin_transfer", "group_tools");
-
- $transfer_allowed = false;
- if (($admin_transfer == "admin") && elgg_is_admin_logged_in()) {
- $transfer_allowed = true;
- } elseif (($admin_transfer == "owner") && (($group->getOwnerGUID() == $user->getGUID()) || elgg_is_admin_logged_in())) {
- $transfer_allowed = true;
- }
-
- if ($transfer_allowed) {
- // get the new owner
- $new_owner = get_user($new_owner_guid);
-
- // transfer the group to the new owner
- group_tools_transfer_group_ownership($group, $new_owner);
- }
- }
- system_message(elgg_echo("groups:saved"));
- forward($group->getUrl());
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