/**
* Determines if a user is permitted to send another user a private message.
* If no sender is provided then it defaults to the logged in user.
*
* @param object $recipient User object.
* @param object $sender User object.
* @return bool true if user is permitted, false otherwise.
*/
function message_can_post_message($recipient, $sender = null)
{
global $USER, $DB;
if (is_null($sender)) {
// The message is from the logged in user, unless otherwise specified.
$sender = $USER;
}
if (!has_capability('moodle/site:sendmessage', context_system::instance(), $sender)) {
return false;
}
// The recipient blocks messages from non-contacts and the
// sender isn't a contact.
if (message_is_user_non_contact_blocked($recipient, $sender)) {
return false;
}
// The recipient has specifically blocked this sender.
if (message_is_user_blocked($recipient, $sender)) {
return false;
}
return true;
}
//, array('class' => $historyclass)
$messagehistorylink .= get_string('unreadnewmessages', 'message', $displaycount);
$messagehistorylink .= html_writer::end_tag('span');
}
$messagehistorylink .= html_writer::end_tag('div');
message_print_message_history($user1, $user2, $search, $displaycount, $messagehistorylink, $viewingnewmessages, $showactionlinks);
echo html_writer::end_tag('div');
//send message form
if ($currentuser && has_capability('moodle/site:sendmessage', $systemcontext) && $user2realuser) {
echo html_writer::start_tag('div', array('class' => 'mdl-align messagesend'));
if (!empty($messageerror)) {
echo html_writer::tag('span', $messageerror, array('id' => 'messagewarning'));
} else {
// Display a warning if the current user is blocking non-contacts and is about to message to a non-contact
// Otherwise they may wonder why they never get a reply
if (message_is_user_non_contact_blocked($user1, $user2)) {
$msg = get_string('messagingblockednoncontact', 'message', fullname($user2));
echo html_writer::tag('span', $msg, array('id' => 'messagewarning'));
}
$mform = new send_form();
$defaultmessage = new stdClass();
$defaultmessage->id = $user2->id;
$defaultmessage->viewing = $viewing;
$defaultmessage->message = '';
//$defaultmessage->messageformat = FORMAT_MOODLE;
$mform->set_data($defaultmessage);
$mform->display();
}
echo html_writer::end_tag('div');
}
} else {
/**
* Test that message_is_user_non_contact_blocked returns false if the recipient doesn't
* allow messages from non-contacts but the sender is a contact.
*/
public function test_message_is_user_non_contact_blocked_false_with_if_contact()
{
$sender = $this->getDataGenerator()->create_user(array('firstname' => 'Test1', 'lastname' => 'User1'));
$recipient = $this->getDataGenerator()->create_user(array('firstname' => 'Test2', 'lastname' => 'User2'));
$this->setUser($recipient);
set_user_preference('message_blocknoncontacts', true, $recipient);
message_add_contact($sender->id);
$this->assertFalse(message_is_user_non_contact_blocked($recipient, $sender));
}
