Proyectos de Subversion Moodle

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * The eduplayer share configuration form
 *
 * It uses the standard core Moodle formslib. For more info about them, please
 * visit: http://docs.moodle.org/en/Development:lib/formslib.php
 * 
 * @package    mod
 * @subpackage eduplayer
 * @author     Humanage Srl <info@humanage.it>
 * @copyright  2013 Humanage Srl <info@humanage.it>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once("$CFG->libdir/formslib.php");

class shareform_form extends moodleform {

    /**
     * Defines forms elements
     */
    public function definition() {
        global $CFG;
 
        $f = $this->_form;
                $f->addElement('html', '<p>'. get_string('sharetext', 'eduplayer') .'</p>');
        $f->addElement('text', 'email', get_string('email'));
        $f->setType('email', PARAM_NOTAGS);
        $f->addRule('email', get_string('missingemail'), 'required', null, 'server');
        $f->addRule('email', get_string('validemail','eduplayer'), 'email', null, 'server');
                
                $f->addElement('submit', 'intro', get_string('share', 'eduplayer') );
    }

        /**
         * Share the link provided by email
         *
         * @global cgf
         * @global user
         * @uses SITEID
         * @param stdClass $eduplay the activity object
         * @return bool Returns true if mail was sent OK and false if there was an error.
         */
        public function shareEmailLink( $eduplay ){
                global $CFG;
                global $USER;
                
                $subject=get_string('sharesubbject', 'eduplayer', $USER );
                $from=$USER;
                $to=$this->get_data()->email;
                $messagetext='';
                $messagehtml=$eduplay->sharemailmessage. "<p>". $eduplay->sharelink ."</p>";
        
                if (!empty($CFG->noemailever)) {
                        // hidden setting for development sites, set in config.php if needed
                        $noemail = 'Not sending email due to noemailever config setting';
                        error_log($noemail);
                        if (CLI_SCRIPT) {
                                mtrace('Error: lib/moodlelib.php email_to_user(): '.$noemail);
                        }
                        return true;
                }
                
                // Overwrite the receiver
                if (!empty($CFG->divertallemailsto)) {
                        $subject = "[DIVERTED {$to}] $subject";
                        $to = $CFG->divertallemailsto;
                }

                // we can not send emails to invalid addresses - it might create security issue or confuse the mailer           
                if (!validate_email($to)) {
                        $invalidemail = "Email $to is invalid! Not sending.";
                        error_log($invalidemail);
                        if (CLI_SCRIPT) {
                                mtrace('Error: mod/eduplayer/share_form.php shareEmailLink(): '.$invalidemail);
                        }
                        return false;
                }
                
                $mail = get_mailer();
                $mail->AddAddress( $to );               
                if (!empty($mail->SMTPDebug)) {
                        echo '<pre>' . "\n";
                }       

                $tempreplyto = array();
                $supportuser = generate_email_supportuser();
                
                if ($from->maildisplay) {
                        $mail->From     = $from->email;
                        $mail->FromName = fullname($from);
                        $mail->Sender = $from->email;
                } else {
                        $mail->From     = $CFG->noreplyaddress;
                        $mail->FromName = fullname($from);
                        if (empty($replyto)) {
                                $tempreplyto[] = array($CFG->noreplyaddress, get_string('noreplyname'));
                        }
                }
                
                if (!empty($replyto)) {
                        $tempreplyto[] = array($replyto, $replytoname);
                }
                
                $mail->Subject = substr($subject, 0, 900);
                $mail->WordWrap = 79;
                
                if (!empty($from->customheaders)) {                     // Add custom headers
                        if (is_array($from->customheaders)) {
                                foreach ($from->customheaders as $customheader) {
                                        $mail->AddCustomHeader($customheader);
                                }
                        } else {
                                $mail->AddCustomHeader($from->customheaders);
                        }
                }
                
                if (!empty($from->priority)) {
                        $mail->Priority = $from->priority;
                }
                
        $mail->IsHTML(true);
        $mail->Encoding = 'quoted-printable';           // Encoding to use
        $mail->Body    =  $messagehtml;
        $mail->AltBody =  "\n$messagetext\n";
                
                // Check if the email should be sent in an other charset then the default UTF-8
                if ((!empty($CFG->sitemailcharset) || !empty($CFG->allowusermailcharset))) {

                        // use the defined site mail charset or eventually the one preferred by the recipient
                        $charset = $CFG->sitemailcharset;
                        if (!empty($CFG->allowusermailcharset)) {
                                if ($useremailcharset = get_user_preferences('mailcharset', '0', $user->id)) {
                                        $charset = $useremailcharset;
                                }
                        }

                        // convert all the necessary strings if the charset is supported
                        $charsets = get_list_of_charsets();
                        unset($charsets['UTF-8']);
                        if (in_array($charset, $charsets)) {
                                $mail->CharSet  = $charset;
                                $mail->FromName = textlib::convert($mail->FromName, 'utf-8', strtolower($charset));
                                $mail->Subject  = textlib::convert($mail->Subject, 'utf-8', strtolower($charset));
                                $mail->Body     = textlib::convert($mail->Body, 'utf-8', strtolower($charset));
                                $mail->AltBody  = textlib::convert($mail->AltBody, 'utf-8', strtolower($charset));

                                foreach ($tempreplyto as $key => $values) {
                                        $tempreplyto[$key][1] = textlib::convert($values[1], 'utf-8', strtolower($charset));
                                }
                        }
                }
                
                foreach ($tempreplyto as $values) {
                        $mail->AddReplyTo($values[0], $values[1]);
                }
                
                if ($mail->Send()) {
                        set_send_count($USER);
                        $mail->IsSMTP();                               // use SMTP directly
                        if (!empty($mail->SMTPDebug)) {
                                echo '</pre>';
                        }
                        return true;
                } else {
                        add_to_log(SITEID, 'library', 'mailer', qualified_me(), 'ERROR: '. $mail->ErrorInfo);
                        if (CLI_SCRIPT) {
                                mtrace('Error: mod/eduplayer/share_form.php shareEmailLink(): '.$mail->ErrorInfo);
                        }
                        if (!empty($mail->SMTPDebug)) {
                                echo '</pre>';
                        }
                        return false;
                }

        }
        
    //Custom validation should be added here
    function validation($data, $files) {
        return array();
    }
        
        /**
         * Print o screen a template customized share form
         */
        function displayCustom(){
                global $USER;
                $html = '
        <form autocomplete="off" action="?id=10" method="post" accept-charset="utf-8" id="mform1" class="mform">
                <div style="display: none;"><input name="sesskey" type="hidden" value="'. $USER->sesskey .'">
                        <input name="_qf__shareform_form" type="hidden" value="1">
                </div>
                <p>'. get_string('sharetext','eduplayer') .'</p>
                <label for="id_email">
                        '. get_string('shareemaillabel','eduplayer') .'
                        <input name="email" type="text" id="id_email" />
                </label>
                <input name="intro" value="'. get_string('share','eduplayer') .'" type="submit" id="id_intro" />
        </form>';
                echo $html;
        }
}