<?php

/*
   ---------------------------------------------------
   | This script contains the notification functions |
   ---------------------------------------------------
*/

/**
 * Notifications
 *
 * @package
 * @version $Id$
 * @copyright 2006 Flyspray.org
 * @notes: This is a mess and should be replaced for 1.0
 */

class Notifications {

   // {{{ Wrapper function for all others
   function create($type, $task_id, $info = null, $to = null, $ntype = NOTIFY_BOTH, $proj_lang = null) {
	global $fs;
	
        if (is_null($to)) {
            $to = $this->address($task_id, $type);
        }

        if (!is_array($to)) {
            settype($to, 'array');
        }

        if (!count($to)) {
            return false;
        }

        $languages = array();
        $emails = array();
        $jabbers = array();
        $onlines = array();

        if (isset($to[0])) {
            foreach ($to[0] as $recipient) {
		if (!empty($recipient['lang'])) {
		    $lang = $recipient['lang'];
		} else if (!empty($proj_lang)) {
		    $lang = $proj_lang;
		} else {
		    $lang = $fs->prefs['lang_code'];
		}
                $emails[$lang][] = $recipient['recipient'];
                if (!in_array($lang, $languages)) {
                    $languages[] = $lang;
                }
            }
        }

        if (isset($to[1])) {
            foreach ($to[1] as $recipient) {
		if (!empty($recipient['lang'])) {
		    $lang = $recipient['lang'];
		} else if (!empty($proj_lang)) {
		    $lang = $proj_lang;
		} else {
		    $lang = $fs->prefs['lang_code'];
		}
                $jabbers[$lang][] = $recipient['recipient'];
                if (!in_array($lang, $languages)) {
                    $languages[] = $lang;
                }
            }
        }
	/*
        if (isset($to[2])) {
            foreach ($to[2] as $recipient) {
                $lang = $recipient['lang'];
                if ($lang == 'j')
                    echo "<pre>Error 3!</pre>";
                $onlines[$lang][] = $recipient['recipient'];
                if (!in_array($lang, $languages)) {
                    $languages[] = $lang;
                }
            }
        }
	 */

	$result = true;
        foreach ($languages as $lang) {
            $msg = $this->generateMsg($type, $task_id, $info, $lang);
            if (isset($emails[$lang]) && ($ntype == NOTIFY_EMAIL || $ntype == NOTIFY_BOTH)) {
                if (!$this->sendEmail($emails[$lang], $msg[0], $msg[1], $task_id)) {
                    $result = false;
                }
            }
            
            if (isset($jabbers[$lang]) && ($ntype == NOTIFY_JABBER || $ntype == NOTIFY_BOTH)) {
                if (!$this->storeJabber($jabbers[$lang], $msg[0], $msg[1])) {
                    $result = false;
                }
            }
            
            // Get rid of undefined offset 2 when notify type is explicitly set,
            // in these cases caller really has not set offset 2. Track down the
            // callers later.
	    /*
            if (isset($onlines[$lang]) && ($ntype != NOTIFY_EMAIL && $ntype != NOTIFY_JABBER)) {
                if (!$this->StoreOnline($onlines[$lang], $msg[2], $msg[3], $task_id)) {
                    $result = false;
                }
            }
	    */
        }
        return $result;

        // End of Create() function
    }

   function storeOnline($to, $subject, $body, $online, $task_id = null) {
	global $db, $fs;

	if (!count($to)) {
	    return false;
	}

	$date = time();

	// store notification in table
	$db->query("INSERT INTO {notification_messages}
                  (message_subject, message_body, time_created)
                  VALUES (?, ?, ?)", array($online, '', $date)
	);

	// grab notification id
        /*
	$result = $db->query("SELECT message_id FROM {notification_messages}
                            WHERE time_created = ? ORDER BY message_id DESC", array($date), 1);

	$row = $db->fetchRow($result);
	$message_id = $row['message_id'];
        */
        $message_id = $db->insert_ID();
	// If message could not be inserted for whatever reason...
	if (!$message_id) {
	    return false;
	}

	// make sure every user is only added once
	settype($to, 'array');
	$to = array_unique($to);

	foreach ($to as $jid) {
	    // store each recipient in table
	    $db->query("INSERT INTO {notification_recipients}
                     (notify_method, message_id, notify_address)
                     VALUES (?, ?, ?)", array('o', $message_id, $jid)
	    );
	}

	return true;
    }

    static function getUnreadNotifications() {
      global $db, $fs, $user;

      $notifications = $db->query('SELECT r.recipient_id, m.message_subject
                                     FROM {notification_recipients} r
                                     JOIN {notification_messages} m ON r.message_id = m.message_id
                                    WHERE r.notify_method = ? AND notify_address = ?',
              array('o', $user['user_id']));
      return $db->fetchAllArray($notifications);
   }

	static function NotificationsHaveBeenRead($ids) {
		global $db, $fs, $user;

		$readones = join(",", array_map('intval', $ids));
		if($readones !=''){	
			$db->query("
				DELETE FROM {notification_recipients}
				WHERE message_id IN ($readones)
				AND notify_method = ?
				AND notify_address = ?",
				array('o', $user['user_id']
				)
			);
		}
	}

   // {{{ Store Jabber messages for sending later
   function storeJabber( $to, $subject, $body )
   {
      global $db, $fs;

      if (empty($fs->prefs['jabber_server'])
          || empty($fs->prefs['jabber_port'])
          || empty($fs->prefs['jabber_username'])
          || empty($fs->prefs['jabber_password'])) {
            return false;
      }

      if (empty($to)) {
         return false;
      }

      $date = time();

      // store notification in table
      $db->query("INSERT INTO {notification_messages}
                  (message_subject, message_body, time_created)
                  VALUES (?, ?, ?)",
                  array($subject, $body, $date)
                );

      // grab notification id
      /*
      $result = $db->query("SELECT message_id FROM {notification_messages}
                            WHERE time_created = ? ORDER BY message_id DESC",
                            array($date), 1);

      $row = $db->fetchRow($result);
      $message_id = $row['message_id'];
      */
      $message_id = $db->insert_ID();
      // If message could not be inserted for whatever reason...
      if (!$message_id) {
          return false;
      }

      settype($to, 'array');

      $duplicates = array();
      foreach ($to as $jid) {
          // make sure every recipient is only added once
          if (in_array($jid, $duplicates)) {
              continue;
          }
          $duplicates[] = $jid;
          // store each recipient in table
          $db->query("INSERT INTO {notification_recipients}
                     (notify_method, message_id, notify_address)
                     VALUES (?, ?, ?)",
                     array('j', $message_id, $jid)
                    );

      }

      return true;
   } // }}}

   static function jabberRequestAuth($email)
   {
        global $fs;

        include_once BASEDIR . '/includes/class.jabber2.php';

        if (empty($fs->prefs['jabber_server'])
            || empty($fs->prefs['jabber_port'])
            || empty($fs->prefs['jabber_username'])
            || empty($fs->prefs['jabber_password'])) {
            return false;
        }

        $JABBER = new Jabber($fs->prefs['jabber_username'] . '@' . $fs->prefs['jabber_server'],
                   $fs->prefs['jabber_password'],
                   $fs->prefs['jabber_ssl'],
                   $fs->prefs['jabber_port']);
        $JABBER->login();
        $JABBER->send("<presence to='" . Jabber::jspecialchars($email) . "' type='subscribe'/>");
        $JABBER->disconnect();
   }

   // {{{ send Jabber messages that were stored earlier
   function sendJabber()
   {
      global $db, $fs;

      include_once BASEDIR . '/includes/class.jabber2.php';

      if ( empty($fs->prefs['jabber_server'])
        || empty($fs->prefs['jabber_port'])
        || empty($fs->prefs['jabber_username'])
        || empty($fs->prefs['jabber_password'])) {
          return false;
      }

		// get listing of all pending jabber notifications
		$result = $db->query("SELECT DISTINCT message_id
                            FROM {notification_recipients}
                            WHERE notify_method='j'");

		if (!$db->countRows($result)) {
			return false;
		}

		$JABBER = new Jabber($fs->prefs['jabber_username'] . '@' . $fs->prefs['jabber_server'],
                   $fs->prefs['jabber_password'],
                   $fs->prefs['jabber_ssl'],
                   $fs->prefs['jabber_port']);
		$JABBER->login();

		// we have notifications to process - connect
		$JABBER->log("We have notifications to process...");
		$JABBER->log("Starting Jabber session:");

		$ids = array();

		while ( $row = $db->fetchRow($result) ) {
			$ids[] = $row['message_id'];
		}

		$desired = join(",", array_map('intval', $ids));
		$JABBER->log("message ids to send = {" . $desired . "}");

			// removed array usage as it's messing up the select
			// I suspect this is due to the variable being comma separated
			// Jamin W. Collins 20050328
			$notifications = $db->query("
				SELECT * FROM {notification_messages}
				WHERE message_id IN ($desired)
				ORDER BY time_created ASC"
			);
		$JABBER->log("number of notifications {" . $db->countRows($notifications) . "}");

		// loop through notifications
		while ( $notification = $db->fetchRow($notifications) ) {
			$subject = $notification['message_subject'];
			$body    = $notification['message_body'];

			$JABBER->log("Processing notification {" . $notification['message_id'] . "}");
			$recipients = $db->query("
				SELECT * FROM {notification_recipients}
				WHERE message_id = ?
				AND notify_method = 'j'",
				array($notification['message_id'])
			);

            // loop through recipients
            while ($recipient = $db->fetchRow($recipients) ) {
               $jid = $recipient['notify_address'];
               $JABBER->log("- attempting send to {" . $jid . "}");

               // send notification
               if ($JABBER->send_message($jid, $body, $subject, 'normal')) {
                   // delete entry from notification_recipients
                   $result = $db->query("DELETE FROM {notification_recipients}
                                         WHERE message_id = ?
                                         AND notify_method = 'j'
                                         AND notify_address = ?",
                                         array($notification['message_id'], $jid)
                                       );
                   $JABBER->log("- notification sent");
                } else {
                   $JABBER->log("- notification not sent");
                }
            }
            // check to see if there are still recipients for this notification
            $result = $db->query("SELECT * FROM {notification_recipients}
                                  WHERE message_id = ?",
                                  array($notification['message_id'])
                                );

            if ( $db->countRows($result) == 0 ) {
               $JABBER->log("No further recipients for message id {" . $notification['message_id'] . "}");
               // remove notification no more recipients
               $result = $db->query("DELETE FROM {notification_messages}
                                     WHERE message_id = ?",
                                     array($notification['message_id'])
                                   );
               $JABBER->log("- Notification deleted");
            }
         }

         // disconnect from server
         $JABBER->disconnect();
         $JABBER->log("Disconnected from Jabber server");

      return true;
   } // }}}
    // {{{ send email
    function sendEmail($to, $subject, $body, $task_id = null)
    {
        global $fs, $proj, $user;

        if (empty($to) || empty($to[0])) {
            return;
        }

        // Do we want to use a remote mail server?
        if (!empty($fs->prefs['smtp_server'])) {

          // connection... SSL, TLS or none
          if ($fs->prefs['email_tls']) {
              $swiftconn = Swift_SmtpTransport::newInstance($fs->prefs['smtp_server'], 587, 'tls');
          } else if ($fs->prefs['email_ssl']) {
              $swiftconn = Swift_SmtpTransport::newInstance($fs->prefs['smtp_server'], 465, 'ssl');
          } else {
              $swiftconn = Swift_SmtpTransport::newInstance($fs->prefs['smtp_server']);
          }

          if ($fs->prefs['smtp_user']) {
              $swiftconn->setUsername($fs->prefs['smtp_user']);
          }

          if ($fs->prefs['smtp_pass']){
              $swiftconn->setPassword($fs->prefs['smtp_pass']);
          }

          if(defined('FS_SMTP_TIMEOUT')) {
              $swiftconn->setTimeout(FS_SMTP_TIMEOUT);
          }
        // Use php's built-in mail() function
        } else {
            $swiftconn = Swift_MailTransport::newInstance();
        }

        // Make plaintext URLs into hyperlinks, but don't disturb existing ones!
        $htmlbody = preg_replace("/(?<!\")(https?:\/\/)([a-zA-Z0-9\-.]+\.[a-zA-Z0-9\-]+([\/]([a-zA-Z0-9_\/\-.?&%=+#])*)*)/", '<a href="$1$2">$2</a>', $body);
        $htmlbody = str_replace("\n","<br>", $htmlbody);
        
        // Those constants used were introduced in 5.4.
        if (version_compare(phpversion(), '5.4.0', '<')) {
            $plainbody= html_entity_decode(strip_tags($body));
        } else {
            $plainbody= html_entity_decode(strip_tags($body), ENT_COMPAT | ENT_HTML401, 'utf-8');
        }
        
        $swift = Swift_Mailer::newInstance($swiftconn);

		if(defined('FS_MAIL_LOGFILE')) {
			$logger = new Swift_Plugins_Loggers_ArrayLogger();
			$swift->registerPlugin(new Swift_Plugins_LoggerPlugin($logger));
		}
		
        $message = new Swift_Message($subject);
        if (isset($fs->prefs['emailNoHTML']) && $fs->prefs['emailNoHTML'] == '1'){
           $message->setBody($plainbody, 'text/plain');
        }else{
           $message->setBody($htmlbody, 'text/html');
           $message->addPart($plainbody, 'text/plain');
        }
        
        $type = $message->getHeaders()->get('Content-Type');
        $type->setParameter('charset', 'utf-8');

        $message->getHeaders()->addTextHeader('Precedence', 'list');
        $message->getHeaders()->addTextHeader('X-Mailer', 'Flyspray');

        if ($proj->prefs['notify_reply']) {
            $message->setReplyTo($proj->prefs['notify_reply']);
        }

        if (isset($task_id)) {
            $hostdata = parse_url($GLOBALS['baseurl']);
            $inreplyto = sprintf('<FS%d@%s>', $task_id, $hostdata['host']);
        // see http://cr.yp.to/immhf/thread.html this does not seems to work though :(
            $message->getHeaders()->addTextHeader('In-Reply-To', $inreplyto);
            $message->getHeaders()->addTextHeader('References', $inreplyto);
        }

	// accepts string, array, or Swift_Address
	if( is_array($to) && count($to)>1 ){
		$message->setTo($fs->prefs['admin_email']);
        	$message->setBcc($to);
	} else{
		$message->setTo($to);
	}
        $message->setFrom(array($fs->prefs['admin_email'] => $proj->prefs['project_title']));
        $swift->send($message);

        if(defined('FS_MAIL_LOGFILE')) {
            if(is_writable(dirname(FS_MAIL_LOGFILE))) {
                if($fh = fopen(FS_MAIL_LOGFILE, 'ab')) {
                    fwrite($fh, $logger->dump());
                    fwrite($fh, php_uname());
                    fclose($fh);
                }
            }
        }

        return true;
    } //}}}
    // {{{ create a message for any occasion
    function generateMsg($type, $task_id, $arg1 = '0', $lang) {
        global $db, $fs, $user, $proj;

        // Get the task details
        $task_details = Flyspray::getTaskDetails($task_id);
        if ($task_id) {
            $proj = new Project($task_details['project_id']);
        }

        // Set the due date correctly
        if ($task_details['due_date'] == '0') {
            $due_date = tL('undecided', $lang);
        } else {
            $due_date = formatDate($task_details['due_date']);
        }

        // Set the due version correctly
        if ($task_details['closedby_version'] == '0') {
            $task_details['due_in_version_name'] = tL('undecided', $lang);
        }

        // Get the string of modification
        $notify_type_msg = array(
            0 => tL('none'),
            NOTIFY_TASK_OPENED => tL('taskopened', $lang),
            NOTIFY_TASK_CHANGED => tL('pm.taskchanged', $lang),
            NOTIFY_TASK_CLOSED => tL('taskclosed', $lang),
            NOTIFY_TASK_REOPENED => tL('pm.taskreopened', $lang),
            NOTIFY_DEP_ADDED => tL('pm.depadded', $lang),
            NOTIFY_DEP_REMOVED => tL('pm.depremoved', $lang),
            NOTIFY_COMMENT_ADDED => tL('commentadded', $lang),
            NOTIFY_ATT_ADDED => tL('attachmentadded', $lang),
            NOTIFY_REL_ADDED => tL('relatedadded', $lang),
            NOTIFY_OWNERSHIP => tL('ownershiptaken', $lang),
            NOTIFY_PM_REQUEST => tL('pmrequest', $lang),
            NOTIFY_PM_DENY_REQUEST => tL('pmrequestdenied', $lang),
            NOTIFY_NEW_ASSIGNEE => tL('newassignee', $lang),
            NOTIFY_REV_DEP => tL('revdepadded', $lang),
            NOTIFY_REV_DEP_REMOVED => tL('revdepaddedremoved', $lang),
            NOTIFY_ADDED_ASSIGNEES => tL('assigneeadded', $lang),
        );

        // Generate the nofication message
        if (isset($proj->prefs['notify_subject']) && !$proj->prefs['notify_subject']) {
            $proj->prefs['notify_subject'] = '[%p][#%t] %s';
        }
        if (!isset($proj->prefs['notify_subject']) ||
                $type == NOTIFY_CONFIRMATION ||
                $type == NOTIFY_ANON_TASK ||
                $type == NOTIFY_PW_CHANGE ||
                $type == NOTIFY_NEW_USER ||
                $type == NOTIFY_OWN_REGISTRATION) {
            $subject = tL('notifyfromfs', $lang);
        } else {
            $subject = strtr($proj->prefs['notify_subject'], array('%p' => $proj->prefs['project_title'],
                '%s' => $task_details['item_summary'],
                '%t' => $task_id,
                '%a' => $notify_type_msg[$type],
                '%u' => $user->infos['user_name']));
        }

        $subject = strtr($subject, "\n", '');


        /* -------------------------------
          | List of notification types: |
          | 1. Task opened              |
          | 2. Task details changed     |
          | 3. Task closed              |
          | 4. Task re-opened           |
          | 5. Dependency added         |
          | 6. Dependency removed       |
          | 7. Comment added            |
          | 8. Attachment added         |
          | 9. Related task added       |
          |10. Taken ownership          |
          |11. Confirmation code        |
          |12. PM request               |
          |13. PM denied request        |
          |14. New assignee             |
          |15. Reversed dep             |
          |16. Reversed dep removed     |
          |17. Added to assignees list  |
          |18. Anon-task opened         |
          |19. Password change          |
          |20. New user                 |
          |21. User registration        |
          -------------------------------
         */

        $body = tL('donotreply', $lang) . "\n\n";
        $online = '';

        // {{{ New task opened
        if ($type == NOTIFY_TASK_OPENED) {
            $body .= tL('newtaskopened', $lang) . " \n\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ") \n\n";
            $body .= tL('attachedtoproject', $lang) . ' - ' . $task_details['project_title'] . "\n";
            $body .= tL('summary', $lang) . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('tasktype', $lang) . ' - ' . $task_details['tasktype_name'] . "\n";
            $body .= tL('category', $lang) . ' - ' . $task_details['category_name'] . "\n";
            $body .= tL('status', $lang) . ' - ' . $task_details['status_name'] . "\n";
            $body .= tL('assignedto', $lang) . ' - ' . implode(', ', $task_details['assigned_to_name']) . "\n";
            $body .= tL('operatingsystem', $lang) . ' - ' . $task_details['os_name'] . "\n";
            $body .= tL('severity', $lang) . ' - ' . $task_details['severity_name'] . "\n";
            $body .= tL('priority', $lang) . ' - ' . $task_details['priority_name'] . "\n";
            $body .= tL('reportedversion', $lang) . ' - ' . $task_details['reported_version_name'] . "\n";
            $body .= tL('dueinversion', $lang) . ' - ' . $task_details['due_in_version_name'] . "\n";
            $body .= tL('duedate', $lang) . ' - ' . $due_date . "\n";
            $body .= tL('details', $lang) . ' - ' . $task_details['detailed_desc'] . "\n\n";

            if ($arg1 == 'files') {
                $body .= tL('fileaddedtoo', $lang) . "\n\n";
                $subject .= ' (' . tL('attachmentadded', $lang) . ')';
            }

            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('newtaskopened', $lang) . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
            $online .= tL('attachedtoproject', $lang) . ' - ' . $task_details['project_title'] . ". ";
            $online .= tL('summary', $lang) . ' - ' . $task_details['item_summary'];
        } // }}}
        // {{{ Task details changed
        if ($type == NOTIFY_TASK_CHANGED) {
            $translation = array('priority_name' => tL('priority', $lang),
                'severity_name' => tL('severity', $lang),
                'status_name' => tL('status', $lang),
                'assigned_to_name' => tL('assignedto', $lang),
                'due_in_version_name' => tL('dueinversion', $lang),
                'reported_version_name' => tL('reportedversion', $lang),
                'tasktype_name' => tL('tasktype', $lang),
                'os_name' => tL('operatingsystem', $lang),
                'category_name' => tL('category', $lang),
                'due_date' => tL('duedate', $lang),
                'percent_complete' => tL('percentcomplete', $lang),
                'mark_private' => tL('visibility', $lang),
                'item_summary' => tL('summary', $lang),
                'detailed_desc' => tL('taskedited', $lang),
                'project_title' => tL('attachedtoproject', $lang),
		'estimated_effort' => tL('estimatedeffort', $lang));

            $body .= tL('taskchanged', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ': ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";

            $online .= tL('taskchanged', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'];

            foreach ($arg1 as $change) {
                if ($change[0] == 'assigned_to_name') {
                    $change[1] = implode(', ', $change[1]);
                    $change[2] = implode(', ', $change[2]);
                }
                
                if ($change[0] == 'detailed_desc') {
                    $body .= $translation[$change[0]] . ":\n-------\n" . $change[2] . "\n-------\n";
                } else {
                    $body .= $translation[$change[0]] . ': ' . ( ($change[1]) ? $change[1] : '[-]' ) . ' -> ' . ( ($change[2]) ? $change[2] : '[-]' ) . "\n";
                }
            }
            $body .= "\n" . tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);
        } // }}}
        // {{{ Task closed
        if ($type == NOTIFY_TASK_CLOSED) {
            $body .= tL('notify.taskclosed', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= tL('reasonforclosing', $lang) . ' ' . $task_details['resolution_name'] . "\n";

            if (!empty($task_details['closure_comment'])) {
                $body .= tL('closurecomment', $lang) . ' ' . $task_details['closure_comment'] . "\n\n";
            }

            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('notify.taskclosed', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Task re-opened
        if ($type == NOTIFY_TASK_REOPENED) {
            $body .= tL('notify.taskreopened', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('notify.taskreopened', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Dependency added
        if ($type == NOTIFY_DEP_ADDED) {
            $depend_task = Flyspray::getTaskDetails($arg1);

            $body .= tL('newdep', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";
            $body .= createURL('details', $task_id) . "\n\n\n";
            $body .= tL('newdepis', $lang) . ':' . "\n\n";
            $body .= 'FS#' . $depend_task['task_id'] . ' - ' . $depend_task['item_summary'] . "\n";
            $body .= createURL('details', $depend_task['task_id']);

            $online .= tL('newdep', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Dependency removed
        if ($type == NOTIFY_DEP_REMOVED) {
            $depend_task = Flyspray::getTaskDetails($arg1);

            $body .= tL('notify.depremoved', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";
            $body .= createURL('details', $task_id) . "\n\n\n";
            $body .= tL('removeddepis', $lang) . ':' . "\n\n";
            $body .= 'FS#' . $depend_task['task_id'] . ' - ' . $depend_task['item_summary'] . "\n";
            $body .= createURL('details', $depend_task['task_id']);

            $online .= tL('notify.depremoved', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Comment added
        if ($type == NOTIFY_COMMENT_ADDED) {
            // Get the comment information
            $result = $db->query("SELECT comment_id, comment_text
                               FROM {comments}
                               WHERE user_id = ?
                               AND task_id = ?
                               ORDER BY comment_id DESC", array($user->id, $task_id), '1');
            $comment = $db->fetchRow($result);

            $body .= tL('notify.commentadded', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= "----------\n";
            $body .= $comment['comment_text'] . "\n";
            $body .= "----------\n\n";

            if ($arg1 == 'files') {
                $body .= tL('fileaddedtoo', $lang) . "\n\n";
                $subject .= ' (' . tL('attachmentadded', $lang) . ')';
            }

            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id) . '#comment' . $comment['comment_id'];

            $online .= tL('notify.commentadded', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Attachment added
        if ($type == NOTIFY_ATT_ADDED) {
            $body .= tL('newattachment', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('newattachment', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Related task added
        if ($type == NOTIFY_REL_ADDED) {
            $related_task = Flyspray::getTaskDetails($arg1);

            $body .= tL('notify.relatedadded', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";
            $body .= createURL('details', $task_id) . "\n\n\n";
            $body .= tL('relatedis', $lang) . ':' . "\n\n";
            $body .= 'FS#' . $related_task['task_id'] . ' - ' . $related_task['item_summary'] . "\n";
            $body .= createURL('details', $related_task['task_id']);

            $online .= tL('notify.relatedadded', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Ownership taken
        if ($type == NOTIFY_OWNERSHIP) {
            $body .= implode(', ', $task_details['assigned_to_name']) . ' ' . tL('takenownership', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n\n";
            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= implode(', ', $task_details['assigned_to_name']) . ' ' . tL('takenownership', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ".";
        } // }}}
        // {{{ Confirmation code
        if ($type == NOTIFY_CONFIRMATION) {
            $body .= tL('noticefrom', $lang) . " {$proj->prefs['project_title']}\n\n"
                    . tL('addressused', $lang) . "\n\n"
                    . " {$arg1[0]}index.php?do=register&magic_url={$arg1[1]} \n\n"
                    // In case that spaces in the username have been removed
                    . tL('username', $lang) . ': ' . $arg1[2] . "\n"
                    . tL('confirmcodeis', $lang) . " $arg1[3] \n\n";

            $online = $body;
        } // }}}
        // {{{ Pending PM request
        if ($type == NOTIFY_PM_REQUEST) {
            $body .= tL('requiresaction', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho') . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('requiresaction', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ PM request denied
        if ($type == NOTIFY_PM_DENY_REQUEST) {
            $body .= tL('pmdeny', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= tL('denialreason', $lang) . ':' . "\n";
            $body .= $arg1 . "\n\n";
            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('pmdeny', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ New assignee
        if ($type == NOTIFY_NEW_ASSIGNEE) {
            $body .= tL('assignedtoyou', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n\n";
            $body .= tL('moreinfo', $lang) . "\n";
            $body .= createURL('details', $task_id);

            $online .= tL('assignedtoyou', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Reversed dep
        if ($type == NOTIFY_REV_DEP) {
            $depend_task = Flyspray::getTaskDetails($arg1);

            $body .= tL('taskwatching', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";
            $body .= createURL('details', $task_id) . "\n\n\n";
            $body .= tL('isdepfor', $lang) . ':' . "\n\n";
            $body .= 'FS#' . $depend_task['task_id'] . ' - ' . $depend_task['item_summary'] . "\n";
            $body .= createURL('details', $depend_task['task_id']);

            $online .= tL('taskwatching', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Reversed dep - removed
        if ($type == NOTIFY_REV_DEP_REMOVED) {
            $depend_task = Flyspray::getTaskDetails($arg1);

            $body .= tL('taskwatching', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";
            $body .= createURL('details', $task_id) . "\n\n\n";
            $body .= tL('isnodepfor', $lang) . ':' . "\n\n";
            $body .= 'FS#' . $depend_task['task_id'] . ' - ' . $depend_task['item_summary'] . "\n";
            $body .= createURL('details', $depend_task['task_id']);

            $online .= tL('taskwatching', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ User added to assignees list
        if ($type == NOTIFY_ADDED_ASSIGNEES) {
            $body .= tL('useraddedtoassignees', $lang) . "\n\n";
            $body .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . "\n";
            $body .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . ")\n";
            $body .= createURL('details', $task_id);

            $online .= tL('useraddedtoassignees', $lang) . ". ";
            $online .= 'FS#' . $task_id . ' - ' . $task_details['item_summary'] . ". ";
            $online .= tL('userwho', $lang) . ' - ' . $user->infos['real_name'] . ' (' . $user->infos['user_name'] . "). ";
        } // }}}
        // {{{ Anon-task has been opened
        if ($type == NOTIFY_ANON_TASK) {
            $body .= tL('thankyouforbug', $lang) . "\n\n";
            $body .= createURL('details', $task_id, null, array('task_token' => $arg1)) . "\n\n";

            $online .= tL('thankyouforbug') . "";
        } // }}}
        // {{{ Password change
        if ($type == NOTIFY_PW_CHANGE) {
            $body = tL('magicurlmessage', $lang) . " \n"
                    . "{$arg1[0]}index.php?do=lostpw&magic_url=$arg1[1]\n\n"
                    . tL('messagefrom', $lang) . $arg1[0];
            $online = $body;
        } // } }}
        // {{{ New user
        if ($type == NOTIFY_NEW_USER) {
            $body = tL('newuserregistered', $lang) . " \n\n"
                    . tL('username', $lang) . ': ' . $arg1[1] . "\n" .
                    tL('realname', $lang) . ': ' . $arg1[2] . "\n";
            $online = $body;

            if ($arg1[6]) {
                $body .= tL('password', $lang) . ': ' . $arg1[5] . "\n";
            }

            $body .= tL('emailaddress', $lang) . ': ' . $arg1[3] . "\n";
            $body .= tL('jabberid', $lang) . ':' . $arg1[4] . "\n\n";
            $body .= tL('messagefrom', $lang) . $arg1[0];
        } // }}}
        // {{{ New user him/herself
        if ($type == NOTIFY_OWN_REGISTRATION) {
            $body = tL('youhaveregistered', $lang) . " \n\n"
                    . tL('username', $lang) . ': ' . $arg1[1] . "\n" .
                    tL('realname', $lang) . ': ' . $arg1[2] . "\n";
            $online = $body;

            if ($arg1[6]) {
                $body .= tL('password', $lang) . ': ' . $arg1[5] . "\n";
            }

            $body .= tL('emailaddress', $lang) . ': ' . $arg1[3] . "\n";
            $body .= tL('jabberid', $lang) . ':' . $arg1[4] . "\n\n";
            
            // Add something here to tell the user whether the registration must
            // first be accepted by Administrators or not. And if it had and was
            // rejected, the reason. Check first what happening when requests are
            // either denied or accepted.
            
            $body .= tL('messagefrom', $lang) . $arg1[0];
        } // }}}

        $body .= "\n\n" . tL('disclaimer', $lang);
        return array(Notifications::fixMsgData($subject), Notifications::fixMsgData($body), $online);
    }

// }}}

    public static function assignRecipients($recipients, &$emails, &$jabbers, &$onlines, $ignoretype = false) {
        global $db, $fs, $user;

        if (!is_array($recipients)) {
            return false;
        }

        foreach ($recipients as $recipient) {
            if ($recipient['user_id'] == $user->id && !$user->infos['notify_own']) {
                continue;
            }

            if (($fs->prefs['user_notify'] == '1' && ($recipient['notify_type'] == NOTIFY_EMAIL || $recipient['notify_type'] == NOTIFY_BOTH) ) || $fs->prefs['user_notify'] == '2' || $ignoretype) {
                if (isset($recipient['email_address']) && !empty($recipient['email_address'])) {
                    $emails[$recipient['email_address']] = array('recipient' => $recipient['email_address'], 'lang' => $recipient['lang_code']);
                }
            }

            if (($fs->prefs['user_notify'] == '1' && ($recipient['notify_type'] == NOTIFY_JABBER || $recipient['notify_type'] == NOTIFY_BOTH) ) || $fs->prefs['user_notify'] == '3' || $ignoretype) {
                if (isset($recipient['jabber_id']) && !empty($recipient['jabber_id']) && $recipient['jabber_id']) {
                    $jabbers[$recipient['jabber_id']] = array('recipient' => $recipient['jabber_id'], 'lang' => $recipient['lang_code']);
                }
            }
	    /*
            if ($fs->prefs['user_notify'] == '1' && $recipient['notify_online']) {
                $onlines[$recipient['user_id']] = array('recipient' => $recipient['user_id'], 'lang' => $recipient['lang_code']);
            }
	    */
        }
    }

    // {{{ Create an address list for specific users
   function specificAddresses($users, $ignoretype = false) {
        global $db, $fs, $user;

        $emails = array();
        $jabbers = array();
        $onlines = array();

        if (!is_array($users)) {
            settype($users, 'array');
        }

        if (count($users) < 1) {
            return array();
        }

        $sql = $db->query('SELECT u.user_id, u.email_address, u.jabber_id,
                                  u.notify_online, u.notify_type, u.notify_own, u.lang_code
                             FROM {users} u
                            WHERE' . substr(str_repeat(' user_id = ? OR ', count($users)), 0, -3), array_values($users));

        self::assignRecipients($db->fetchAllArray($sql), $emails, $jabbers, $onlines, $ignoretype);
        
        return array($emails, $jabbers, $onlines);
    }

// }}}

	// {{{ Create a standard address list of users (assignees, notif tab and proj addresses)
	function address($task_id, $type) {
		global $db, $fs, $proj, $user;

		$users = array();
		$emails = array();
		$jabbers = array();
		$onlines = array();

		$task_details = Flyspray::getTaskDetails($task_id);

		// Get list of users from the notification tab
		$get_users = $db->query('
			SELECT * FROM {notifications} n
			LEFT JOIN {users} u ON n.user_id = u.user_id
			WHERE n.task_id = ?',
			array($task_id)
		);
        self::assignRecipients($db->fetchAllArray($get_users), $emails, $jabbers, $onlines);

		// Get list of assignees
		$get_users = $db->query('
			SELECT * FROM {assigned} a
			LEFT JOIN {users} u ON a.user_id = u.user_id
			WHERE a.task_id = ?',
			array($task_id)
		);
        self::assignRecipients($db->fetchAllArray($get_users), $emails, $jabbers, $onlines);

		// Now, we add the project contact addresses...
		// ...but only if the task is public
		if ($task_details['mark_private'] != '1' 
		    && in_array($type, Flyspray::int_explode(' ', $proj->prefs['notify_types']))) {

            // FIXME! Have to find users preferred language here too,
            // must fetch from database. But the address could also be a mailing
            // list address and user not exist in database, use fs->prefs in that case,

			$proj_emails = preg_split('/[\s,;]+/', $proj->prefs['notify_email'], -1, PREG_SPLIT_NO_EMPTY);
			$desired = implode("','", $proj_emails);
			if($desired !=''){
				$get_users = $db->query("
					SELECT DISTINCT u.user_id, u.email_address, u.jabber_id,
					u.notify_online, u.notify_type, u.notify_own, u.lang_code
					FROM {users} u
					WHERE u.email_address IN ('$desired')"
				);

				self::assignRecipients($db->fetchAllArray($get_users), $emails, $jabbers, $onlines);
			}
			
			$proj_jids = explode(',', $proj->prefs['notify_jabber']);
			$desired = implode("','", $proj_jids);
			if($desired!='') {
				$get_users = $db->query("
					SELECT DISTINCT u.user_id, u.email_address, u.jabber_id,
					u.notify_online, u.notify_type, u.notify_own, u.lang_code
					FROM {users} u
					WHERE u.jabber_id IN ('$desired')"
				);
				self::assignRecipients($db->fetchAllArray($get_users), $emails, $jabbers, $onlines);
			}

			// Now, handle notification addresses that are not assigned to any user...
			foreach ($proj_emails as $email) {
				if (!array_key_exists($email, $emails)) {
					$emails[$email] = array('recipient' => $email, 'lang' => $fs->prefs['lang_code']);
				}
			}
            
			foreach ($proj_jids as $jabber) {
				if (!array_key_exists($jabber, $jabbers)) {
					$jabbers[$jabber] = array('recipient' => $jabber, 'lang' => $fs->prefs['lang_code']);
				}
			}
            /*
            echo "<pre>";
            echo var_dump($proj_emails);
            echo var_dump($proj_jids);
            echo "</pre>";
            */
            // End of checking if a task is private
		}
		// Send back three arrays containing the notification addresses
		return array($emails, $jabbers, $onlines);
	}

// }}}

    // {{{ Fix the message data
        /**
         * fixMsgData
         * a 0.9.9.x ONLY workaround for the "truncated email problem"
         * based on code Henri Sivonen (http://hsivonen.iki.fi)
         * @param mixed $data
         * @access public
         * @return void
         */
        function fixMsgData($data)
        {
            // at the first step, remove all NUL bytes
            //users with broken databases  encoding  can give us this :(
            $data = str_replace(chr(0), '', $data);

            //then remove all invalid utf8 secuences
                $UTF8_BAD =
                '([\x00-\x7F]'.                          # ASCII (including control chars)
                '|[\xC2-\xDF][\x80-\xBF]'.               # non-overlong 2-byte
                '|\xE0[\xA0-\xBF][\x80-\xBF]'.           # excluding overlongs
                '|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}'.    # straight 3-byte
                '|\xED[\x80-\x9F][\x80-\xBF]'.           # excluding surrogates
                '|\xF0[\x90-\xBF][\x80-\xBF]{2}'.        # planes 1-3
                '|[\xF1-\xF3][\x80-\xBF]{3}'.            # planes 4-15
                '|\xF4[\x80-\x8F][\x80-\xBF]{2}'.        # plane 16
                '|(.{1}))';                              # invalid byte

            $valid_data = '';

            while (preg_match('/'.$UTF8_BAD.'/S', $data, $matches)) {
                if ( !isset($matches[2])) {
                    $valid_data .= $matches[0];
                } else {
                    $valid_data .= '?';
                }
                $data = substr($data, strlen($matches[0]));
            }
                return $valid_data;
        } //}}}

// End of Notify class
}