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<?php
/**
* Elgg groups plugin edit action.
*
* @package ElggGroups
*/
// Load configuration
global $CONFIG;
elgg_make_sticky_form('groups');
$group_guid = (int)get_input('group_guid');
$new_group_flag = ($group_guid == 0);
if ($new_group_flag && elgg_get_plugin_setting('limited_groups', 'groups') == 'yes'
&& !elgg_is_admin_logged_in()) {
register_error(elgg_echo("groups:cantcreate"));
forward(REFERER);
}
$sticky_alias = ('no' == elgg_get_plugin_setting('changeable_group_alias', 'group_alias'));
/**
* wrapper for recursive array walk decoding
*/
function profile_array_decoder(&$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]);
}
if ($shortname == 'alias' && ($new_group_flag || !$sticky_alias)) {
elgg_load_library('elgg:group_alias');
try {
group_alias_validate($input['alias']);
$existing_group = get_group_from_group_alias($input['alias']);
if ($existing_group && $existing_group->guid != get_input('group_guid')) {
throw new Exception(elgg_echo('groups:alias:already_taken'));
}
} catch(Exception $e) {
register_error($e->getMessage());
forward(REFERER);
}
}
}
$input['name'] = get_input('name');
$input['name'] = html_entity_decode($input['name'], ENT_COMPAT, 'UTF-8');
$user = elgg_get_logged_in_user_entity();
$group = new ElggGroup($group_guid); // load if present, if not create a new group
if (($group_guid) && (!$group->canEdit())) {
register_error(elgg_echo("groups:cantedit"));
forward(REFERER);
}
// Keep existing alias unless explicit update
if ($input['alias'] == $group->alias || (!$new_group_flag && $sticky_alias)) {
unset($input['alias']);
}
// 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);
}
// 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 membership - should these be treated with same constants as access permissions?
switch (get_input('membership')) {
case ACCESS_PUBLIC:
$group->membership = ACCESS_PUBLIC;
break;
default:
$group->membership = ACCESS_PRIVATE;
}
if ($new_group_flag) {
$group->access_id = ACCESS_PUBLIC;
}
$owner_guid = (int) get_input('owner_guid');
$loggedin_guid = elgg_get_logged_in_user_guid();
$is_admin = elgg_is_admin_logged_in();
if (!$new_group_flag && $owner_guid && $owner_guid != $group->owner_guid) {
if($group->isMember($owner_guid) && ($group->owner_guid == $loggedin_guid || $is_admin)) {
$old_owner_guid = $group->owner_guid;
$group->owner_guid = $owner_guid;
// @todo Remove this when #4683 fixed
$owner_changed_flag = true;
$old_icontime = $group->icontime;
}
}
$group->save();
// group saved so clear sticky form
elgg_clear_sticky_form('groups');
// 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') {
$visibility = (int)get_input('vis', '', false);
if ($visibility != ACCESS_PUBLIC && $visibility != ACCESS_LOGGED_IN) {
$visibility = $group->group_acl;
}
if ($group->access_id != $visibility) {
$group->access_id = $visibility;
}
}
$group->save();
// group creator needs to be member of new group and river entry created
if ($new_group_flag) {
elgg_set_page_owner_guid($group->guid);
$group->join($user);
add_to_river('river/group/create', 'create', $user->guid, $group->guid, $group->access_id);
}
// Now see if we have a file icon
if ((isset($_FILES['icon'])) && (substr_count($_FILES['icon']['type'],'image/'))) {
$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();
$thumbtiny = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(), $icon_sizes['tiny']['w'], $icon_sizes['tiny']['h'], $icon_sizes['tiny']['square']);
$thumbsmall = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(), $icon_sizes['small']['w'], $icon_sizes['small']['h'], $icon_sizes['small']['square']);
$thumbmedium = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(), $icon_sizes['medium']['w'], $icon_sizes['medium']['h'], $icon_sizes['medium']['square']);
$thumblarge = get_resized_image_from_existing_file($filehandler->getFilenameOnFilestore(), $icon_sizes['large']['w'], $icon_sizes['large']['h'], $icon_sizes['large']['square']);
if ($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();
$group->icontime = time();
}
if ($owner_changed_flag && $old_icontime) { // @todo Remove this when #4683 fixed
$filehandler = new ElggFile();
$filehandler->setFilename('groups');
$filehandler->owner_guid = $old_owner_guid;
$old_path = $filehandler->getFilenameOnFilestore();
$sizes = array('', 'tiny', 'small', 'medium', 'large');
foreach($sizes as $size) {
unlink("$old_path/{$group_guid}{$size}.jpg");
}
}
} elseif ($owner_changed_flag && $old_icontime) { // @todo Remove this when #4683 fixed
$filehandler = new ElggFile();
$filehandler->setFilename('groups');
$filehandler->owner_guid = $old_owner_guid;
$old_path = $filehandler->getFilenameOnFilestore();
$filehandler->owner_guid = $group->owner_guid;
$new_path = $filehandler->getFilenameOnFilestore();
$sizes = array('', 'tiny', 'small', 'medium', 'large');
foreach ($sizes as $size) {
rename("$old_path/{$group_guid}{$size}.jpg", "$new_path/{$group_guid}{$size}.jpg");
}
}
system_message(elgg_echo("groups:saved"));
forward($group->getUrl());
|
