/**
* Get the latest activity of this group based on the river
*
* @param ElggGroup $entity the group to check
*
* @return int the UNIX timestamp of the latest activity
*/
function csv_exporter_get_last_group_activity(ElggGroup $entity)
{
$result = 0;
if (!$entity instanceof ElggGroup) {
return $result;
}
$dbprefix = elgg_get_config('dbprefix');
$query = 'SELECT max(r.posted) as posted';
$query .= " FROM {$dbprefix}river r";
$query .= " INNER JOIN {$dbprefix}entities e ON r.object_guid = e.guid";
$query .= " WHERE (e.container_guid = {$entity->getGUID()})";
$query .= " OR (r.object_guid = {$entity->getGUID()})";
$data = get_data($query);
if (!empty($data)) {
$result = (int) $data[0]->posted;
}
return $result;
}
function group_tools_invite_email(ElggGroup $group, $email, $text = "", $resend = false)
{
$result = false;
if (!empty($group) && $group instanceof ElggGroup && !empty($email) && is_email_address($email) && ($loggedin_user = elgg_get_logged_in_user_entity())) {
// get site secret
$site_secret = get_site_secret();
// generate invite code
$invite_code = md5($site_secret . $email . $group->getGUID());
if (!group_tools_check_group_email_invitation($invite_code, $group->getGUID()) || $resend) {
// make site email
$site = elgg_get_site_entity();
if (!empty($site->email)) {
if (!empty($site->name)) {
$site_from = $site->name . " <" . $site->email . ">";
} else {
$site_from = $site->email;
}
} else {
// no site email, so make one up
if (!empty($site->name)) {
$site_from = $site->name . " <noreply@" . get_site_domain($site->getGUID()) . ">";
} else {
$site_from = "noreply@" . get_site_domain($site->getGUID());
}
}
if (!$resend) {
// register invite with group
$group->annotate("email_invitation", $invite_code, ACCESS_LOGGED_IN, $group->getGUID());
}
// make subject
$subject = elgg_echo("group_tools:groups:invite:email:subject", array($group->name));
// make body
$body = elgg_echo("group_tools:groups:invite:email:body", array($loggedin_user->name, $group->name, $site->name, $text, $site->name, elgg_get_site_url() . "register", elgg_get_site_url() . "groups/invitations/?invitecode=" . $invite_code, $invite_code));
$result = elgg_send_email($site_from, $email, $subject, $body);
} else {
$result = null;
}
}
return $result;
}
/**
* Registers the buttons for title area of the group profile page
*
* @param ElggGroup $group
*/
function groups_register_profile_buttons($group)
{
$actions = array();
// group owners
if ($group->canEdit()) {
// edit and invite
$url = elgg_get_site_url() . "groups/edit/{$group->getGUID()}";
$actions[$url] = 'groups:edit';
$url = elgg_get_site_url() . "groups/invite/{$group->getGUID()}";
$actions[$url] = 'groups:invite';
}
// group members
if ($group->isMember(elgg_get_logged_in_user_entity())) {
if ($group->getOwnerGUID() != elgg_get_logged_in_user_guid()) {
// leave
$url = elgg_get_site_url() . "action/groups/leave?group_guid={$group->getGUID()}";
$url = elgg_add_action_tokens_to_url($url);
$actions[$url] = 'groups:leave';
}
} elseif (elgg_is_logged_in()) {
// join - admins can always join.
$url = elgg_get_site_url() . "action/groups/join?group_guid={$group->getGUID()}";
$url = elgg_add_action_tokens_to_url($url);
if ($group->isPublicMembership() || $group->canEdit()) {
$actions[$url] = 'groups:join';
} else {
// request membership
$actions[$url] = 'groups:joinrequest';
}
}
if ($actions) {
foreach ($actions as $url => $text) {
elgg_register_menu_item('title', array('name' => $text, 'href' => $url, 'text' => elgg_echo($text), 'link_class' => 'elgg-button elgg-button-action'));
}
}
}
/**
* Get the time_created from the group membership relation
*
* @param ElggUser $user the user to check
* @param ElggGroup $group the group to check
*
* @return int
*/
function group_tools_get_membership_information(ElggUser $user, ElggGroup $group)
{
$result = 0;
if (!empty($user) && !empty($group)) {
$query = "SELECT *";
$query .= " FROM " . elgg_get_config("dbprefix") . "entity_relationships";
$query .= " WHERE guid_one = " . $user->getGUID();
$query .= " AND guid_two = " . $group->getGUID();
$query .= " AND relationship = 'member'";
$row = get_data_row($query);
if (!empty($row)) {
$result = $row->time_created;
}
}
return $result;
}
/**
* Join a user to a group, add river event, clean-up invitations
*
* @param ElggGroup $group
* @param ElggUser $user
* @return bool
*/
function groups_join_group($group, $user)
{
global $NOTIFICATION_HANDLERS;
// access ignore so user can be added to access collection of invisible group
$ia = elgg_set_ignore_access(TRUE);
$result = $group->join($user);
elgg_set_ignore_access($ia);
if ($result) {
// flush user's access info so the collection is added
get_access_list($user->guid, 0, true);
// Remove any invite or join request flags
remove_entity_relationship($group->guid, 'invited', $user->guid);
remove_entity_relationship($user->guid, 'membership_request', $group->guid);
//check if notifications are turned off for the group
if ($group->notifications == "false") {
//turn users notifications off
foreach ($NOTIFICATION_HANDLERS as $method => $dummy) {
error_log("group" . $method);
remove_entity_relationship($user->getGUID(), "notify" . $method, $group->getGUID());
}
}
add_to_river('river/relationship/member/create', 'join', $user->guid, $group->guid);
return true;
}
return false;
}
/**
* Check if the user is receiving notifications from the group
*
* @param \ElggUser $user the user to check
* @param \ElggGroup $group the group to check for
*
* @return bool
*/
public static function notificationsEnabledForGroup(\ElggUser $user, \ElggGroup $group)
{
if (!$user instanceof \ElggUser || !$group instanceof \ElggGroup) {
return false;
}
$subscriptions = elgg_get_subscriptions_for_container($group->getGUID());
if (!is_array($subscriptions)) {
return false;
}
if (!empty($subscriptions[$user->getGUID()])) {
return true;
}
return false;
}
public function testJoinLeaveGroupACL()
{
if (!elgg_is_active_plugin('groups')) {
return;
}
$group = new ElggGroup();
$group->name = 'Test group';
$group->save();
$result = $group->join($this->user);
$this->assertTrue($result);
// disable security since we run as admin
$ia = elgg_set_ignore_access(false);
// need to set the page owner to emulate being in a group context.
// this is kinda hacky.
elgg_set_page_owner_guid($group->getGUID());
if ($result) {
$can_edit = can_edit_access_collection($group->group_acl, $this->user->guid);
$this->assertTrue($can_edit);
}
$result = $group->leave($this->user);
$this->assertTrue($result);
if ($result) {
$can_edit = can_edit_access_collection($group->group_acl, $this->user->guid);
$this->assertFalse($can_edit);
}
elgg_set_ignore_access($ia);
$group->delete();
}
/**
* Add a user to a group
*
* @param ElggGroup $group the group to add the user to
* @param ElggUser $user the user to be added
* @param string $text (optional) extra text for the notification
*
* @return boolean true if successfull
*/
function zhgroups_add_user(ElggGroup $group, ElggUser $user, $text = "")
{
$result = false;
$loggedin_user = elgg_get_logged_in_user_entity();
if (!empty($user) && $user instanceof ElggUser && !empty($group) && $group instanceof ElggGroup && !empty($loggedin_user)) {
// make sure all goes well
$ia = elgg_set_ignore_access(true);
if ($group->join($user)) {
// Remove any invite or join request flags
remove_entity_relationship($group->getGUID(), "invited", $user->getGUID());
remove_entity_relationship($user->getGUID(), "membership_request", $group->getGUID());
// notify user
$subject = elgg_echo("zhgroups:groups:invite:add:subject", array($group->name));
$msg = elgg_echo("zhgroups:groups:invite:add:body", array($user->name, $loggedin_user->name, $group->name, $text, $group->getURL()));
$params = array("group" => $group, "inviter" => $loggedin_user, "invitee" => $user);
//to do?
$msg = elgg_trigger_plugin_hook("invite_notification", "zhgroups", $params, $msg);
if (notify_user($user->getGUID(), $group->getOwnerGUID(), $subject, $msg, null, "email")) {
$result = true;
}
}
// restore access
elgg_set_ignore_access($ia);
}
return $result;
}
/**
* Get the activity count since last action of the previous login of the user
*
* @param ElggGroup $group the group to check for
*
* @return false|int
*/
function theme_eersel_get_group_activity_count(ElggGroup $group)
{
if (!$group instanceof ElggGroup) {
return false;
}
if (!elgg_is_logged_in() || empty($_SESSION['theme_eersel_activity_last_action'])) {
return false;
}
if (!is_array($_SESSION['theme_eersel_group_activity_counter'])) {
$_SESSION['theme_eersel_group_activity_counter'] = [];
}
if (isset($_SESSION['theme_eersel_group_activity_counter'][$group->getGUID()])) {
return $_SESSION['theme_eersel_group_activity_counter'][$group->getGUID()];
}
// get river activity since last action of user
$dbprefix = elgg_get_config('dbprefix');
$options = ['count' => true, 'joins' => ["JOIN {$dbprefix}entities oe ON rv.object_guid = oe.guid"], 'wheres' => ["(rv.object_guid = {$group->getGUID()} || oe.container_guid = {$group->getGUID()})"], 'posted_time_lower' => (int) $_SESSION['theme_eersel_activity_last_action']];
$_SESSION['theme_eersel_group_activity_counter'][$group->getGUID()] = elgg_get_river($options);
return $_SESSION['theme_eersel_group_activity_counter'][$group->getGUID()];
}
/**
* Registers the buttons for title area of the group profile page
*
* @param ElggGroup $group
*/
function groups_register_profile_buttons($group)
{
$user = elgg_get_logged_in_user_entity();
$actions = array();
// group owners
if ($group->canEdit()) {
// local groups except town groups cannot be edited (except by admins)
if ($group->grouptype != 'local' || $group->grouptype == 'local' && $group->localtype == 'town' || $user->isAdmin()) {
$url = elgg_get_site_url() . "groups/edit/{$group->getGUID()}";
$actions[$url] = 'groups:edit';
}
// local groups except town groups cannot use invitation system
if ($group->grouptype != 'local' || $group->grouptype == 'local' && $group->localtype == 'town') {
$url = elgg_get_site_url() . "groups/invite/{$group->getGUID()}";
$actions[$url] = 'groups:invite';
}
}
// add a button to allow adding town groups (only for group members)
if ($group->grouptype == 'local' && $group->localtype == 'departemental' && $group->isMember(elgg_get_logged_in_user_entity())) {
$url = elgg_get_site_url() . "groups/local/add/{$group->getGUID()}";
$actions[$url] = 'localgroups:addtown';
}
// group members (not for local groups except town group)
if ($group->grouptype == 'local' && $group->localtype == 'town' || $group->grouptype != 'local') {
if ($group->isMember(elgg_get_logged_in_user_entity())) {
if ($group->getOwnerGUID() != elgg_get_logged_in_user_guid()) {
// leave
$url = elgg_get_site_url() . "action/groups/leave?group_guid={$group->getGUID()}";
$url = elgg_add_action_tokens_to_url($url);
$actions[$url] = 'groups:leave';
}
} elseif (elgg_is_logged_in()) {
// join - admins can always join.
$url = elgg_get_site_url() . "action/groups/join?group_guid={$group->getGUID()}";
$url = elgg_add_action_tokens_to_url($url);
if ($group->isPublicMembership() || $group->canEdit()) {
$actions[$url] = 'groups:join';
} else {
// request membership
$actions[$url] = 'groups:joinrequest';
}
}
}
if ($actions) {
foreach ($actions as $url => $text) {
elgg_register_menu_item('title', array('name' => $text, 'href' => $url, 'text' => elgg_echo($text), 'link_class' => 'elgg-button elgg-button-action'));
}
}
}
/**
* Add messageboard post
*
* @param ElggUser $user User posting the message
* @param ElggGroup $group Group who owns the message board
* @param stdClass $message The posted message
* @param int $access_id Access level
* @return bool
*/
function wespot_msg_add_message($user, $group, $message, $access_id = ACCESS_PUBLIC)
{
if (!isset($message) || empty($message->messageId) || empty($message->threadId) || empty($message->body)) {
return false;
}
$obj = new ElggObject();
$obj->subtype = 'arlearn_msg';
$obj->owner_guid = $user->getGUID();
$obj->container_guid = $group->getGUID();
$obj->write_access_id = ACCESS_PRIVATE;
//$access_id;
$obj->access_id = ACCESS_PUBLIC;
$obj->messageId = $message->messageId;
$obj->threadId = $message->threadId;
$obj->body = $message->body;
$obj->post_date = $message->date;
elgg_set_ignore_access(true);
$result = $obj->save();
elgg_set_ignore_access(false);
if (!$result) {
return false;
}
//add_to_river('river/object/arlearn_msg/create', 'create', $user->guid, $group->guid, $access_id, ($obj->post_date / 1000), $result);
return $result;
}
/**
* Get the time_created from the group membership relation
*
* @param ElggUser $user the user to check
* @param ElggGroup $group the group to check
*
* @return int
*/
function group_tools_get_membership_information(ElggUser $user, ElggGroup $group)
{
if (!$user instanceof ElggUser || !$group instanceof ElggGroup) {
return 0;
}
$query = 'SELECT *';
$query .= ' FROM ' . elgg_get_config('dbprefix') . 'entity_relationships';
$query .= " WHERE guid_one = {$user->getGUID()}";
$query .= " AND guid_two = {$group->getGUID()}";
$query .= ' AND relationship = "member"';
$row = get_data_row($query);
if (!empty($row)) {
return (int) $row->time_created;
}
return 0;
}
/**
* Invite a new user by email to a group
*
* @param ElggGroup $group the group to be invited for
* @param string $email the email address to be invited
* @param string $text (optional) extra text in the invitation
* @param boolean $resend should existing invitations be resend
*
* @return boolean|NULL true is invited, false on failure, null when already send
*/
function group_tools_invite_email(ElggGroup $group, $email, $text = "", $resend = false)
{
$result = false;
$loggedin_user = elgg_get_logged_in_user_entity();
if (!empty($group) && $group instanceof ElggGroup && !empty($email) && is_email_address($email) && !empty($loggedin_user)) {
// generate invite code
$invite_code = group_tools_generate_email_invite_code($group->getGUID(), $email);
if (!empty($invite_code)) {
$found_group = group_tools_check_group_email_invitation($invite_code, $group->getGUID());
if (empty($found_group) || $resend) {
// make site email
$site = elgg_get_site_entity();
if (!empty($site->email)) {
if (!empty($site->name)) {
$site_from = $site->name . " <" . $site->email . ">";
} else {
$site_from = $site->email;
}
} else {
// no site email, so make one up
if (!empty($site->name)) {
$site_from = $site->name . " <noreply@" . get_site_domain($site->getGUID()) . ">";
} else {
$site_from = "noreply@" . get_site_domain($site->getGUID());
}
}
if (empty($found_group)) {
// register invite with group
$group->annotate("email_invitation", $invite_code . "|" . $email, ACCESS_LOGGED_IN, $group->getGUID());
}
// make subject
$subject = elgg_echo("group_tools:groups:invite:email:subject", array($group->name));
// make body
$body = elgg_echo("group_tools:groups:invite:email:body", array($loggedin_user->name, $group->name, $site->name, $text, $site->name, elgg_get_site_url() . "register?group_invitecode=" . $invite_code, elgg_get_site_url() . "groups/invitations/?invitecode=" . $invite_code, $invite_code));
$params = array("group" => $group, "inviter" => $loggedin_user, "invitee" => $email);
$body = elgg_trigger_plugin_hook("invite_notification", "group_tools", $params, $body);
$result = elgg_send_email($site_from, $email, $subject, $body);
} else {
$result = null;
}
}
}
return $result;
}
