lib_notification.js.php

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<?php
/* Copyright (C) 2016    Sergio Sanchis   <sergiosanchis@hotmail.com>
 * Copyright (C) 2017    Juanjo Menent    <jmenent@2byte.es>
 * Copyright (C) 2020-2023 Destailleur Laurent  <eldy@users.sourceforge.net>
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
 *
 * Library javascript to enable Browser notifications
 */
 
if (!defined('NOREQUIREUSER')) {
  define('NOREQUIREUSER', '1');
}
if (!defined('NOREQUIRESOC')) {
  define('NOREQUIRESOC', '1');
}
if (!defined('NOCSRFCHECK')) {
  define('NOCSRFCHECK', 1);
}
if (!defined('NOTOKENRENEWAL')) {
  define('NOTOKENRENEWAL', 1);
}
if (!defined('NOLOGIN')) {
  define('NOLOGIN', 1);
}
if (!defined('NOREQUIREMENU')) {
  define('NOREQUIREMENU', 1);
}
if (!defined('NOREQUIREHTML')) {
  define('NOREQUIREHTML', 1);
}
 
session_cache_limiter('public');
 
require_once '../../main.inc.php';
 
 
/*
 * View
 */
 
top_httphead('text/javascript; charset=UTF-8');
// Important: Following code is to avoid page request by browser and PHP CPU at each Dolibarr page access.
if (empty($dolibarr_nocache)) {
  header('Cache-Control: max-age=10800, public, must-revalidate');
} else {
  header('Cache-Control: no-cache');
}
 
 
print "jQuery(document).ready(function () {\n";
 
//print " console.log('referrer=".dol_escape_js($_SERVER['HTTP_REFERER'])."');\n";
 
print ' var nowtime = Date.now();';
print ' var time_auto_update = '.max(1, getDolGlobalInt('MAIN_BROWSER_NOTIFICATION_FREQUENCY')).';'."\n"; // Always defined
print ' var time_js_next_test;'."\n";
print ' var dolnotif_nb_test_for_page = 0;'."\n";
print ' var dolnotif_idinterval = null;'."\n";
?>
 
/* Check if Notification is supported */
if ("Notification" in window) {
  /* Check if permission ok */
  if (Notification.permission !== "granted") {
    console.log("Ask Notification.permission");
    Notification.requestPermission(function(result) {
      console.log("result for requestPermission is "+result);
    });
  }
 
  /* Launch timer */
 
  // We set a delay before launching first test so next check will arrive after the time_auto_update compared to previous one.
  //var time_first_execution = (time_auto_update + (time_js_next_test - nowtime)) * 1000; //need milliseconds
  var time_first_execution = <?php echo max(3, empty($conf->global->MAIN_BROWSER_NOTIFICATION_CHECK_FIRST_EXECUTION) ? 0 : $conf->global->MAIN_BROWSER_NOTIFICATION_CHECK_FIRST_EXECUTION); ?>;
 
  setTimeout(first_execution, time_first_execution * 1000); // Launch a first execution after a time_first_execution delay
  time_js_next_test = nowtime + time_first_execution;
  console.log("Launch browser notif check: setTimeout is set to launch 'first_execution' function after a wait of time_first_execution="+time_first_execution+". nowtime (time php page generation) = "+nowtime+" time_js_next_check = "+time_js_next_test);
} else {
  console.log("This browser in this context does not support Notification.");
}
 
/* The method called after time_first_execution on each page */
function first_execution() {
  console.log("Call first_execution of check_events()");
  result = check_events();  //one check before setting the new time for other checks
  if (result > 0) {
    console.log("check_events() is scheduled as a repeated task with a time_auto_update = MAIN_BROWSER_NOTIFICATION_FREQUENCY = "+time_auto_update+"s");
    dolnotif_idinterval = setInterval(check_events, time_auto_update * 1000); // Set new time to run next check events. time_auto_update=nb of seconds
  }
}
 
/* the method call frequently every time_auto_update */
function check_events() {
  var result = 0;
  dolnotif_nb_test_for_page += 1;
 
  if (Notification.permission === "granted") {
    var currentToken = 'notrequired';
    const allMeta = document.getElementsByTagName("meta");
    for (let i = 0; i < allMeta.length; i++) {
      if (allMeta[i].getAttribute("name") == 'anti-csrf-currenttoken') {
        currentToken = allMeta[i].getAttribute('content');
        console.log("currentToken in page = "+currentToken);
      }
    }
    time_js_next_test += time_auto_update;
 
    console.log("Call ajax to check events with time_js_next_test = "+time_js_next_test+" dolnotif_nb_test_for_page="+dolnotif_nb_test_for_page);
 
    $.ajax("<?php print DOL_URL_ROOT.'/core/ajax/check_notifications.php'; ?>", {
      type: "POST",   // Usually post or get
      async: true,
      data: { time_js_next_test: time_js_next_test, forcechecknow: 1, token: currentToken, dolnotif_nb_test_for_page: dolnotif_nb_test_for_page },
      dataType: "json",
      success: function (result) {
        //console.log(result);
        var arrayofpastreminders = Object.values(result.pastreminders);
        if (arrayofpastreminders && arrayofpastreminders.length > 0) {
          console.log("Retrieved "+arrayofpastreminders.length+" reminders to do.");
          var audio = null;
          <?php
          if (!empty($conf->global->AGENDA_REMINDER_BROWSER_SOUND)) {
            print 'audio = new Audio(\''.DOL_URL_ROOT.'/theme/common/sound/notification_agenda.wav\');';
          }
          ?>
          var listofreminderids = '';
          var noti = []
 
          $.each(arrayofpastreminders, function (index, value) {
            console.log(value);
            var url = "notdefined";
            var title = "Not defined";
            var body = value.label;
            var icon = '<?php print DOL_URL_ROOT.'/theme/common/octicons/build/svg/bell.svg'; ?>';
            var image = '<?php print DOL_URL_ROOT.'/theme/common/octicons/build/svg/bell.svg'; ?>';
            if (value.type == 'agenda' && value.location != null && value.location != '') {
              body += '\n' + value.location;
            }
 
            if (value.type == 'agenda' && (value.event_date_start_formated != null || value.event_date_start_formated['event_date_start'] != '')) {
              body += '\n' + value.event_date_start_formated;
            }
 
            if (value.type == 'agenda')
            {
              url = '<?php print DOL_URL_ROOT.'/comm/action/card.php?id='; ?>' + value.id_agenda;
              title = '<?php print dol_escape_js($langs->transnoentities('EventReminder')) ?>';
            }
            var extra = {
              icon: icon,
              body: body,
              lang: '<?php print dol_escape_js($langs->getDefaultLang(1)); ?>',
              tag: value.id_agenda,
              requireInteraction: true
              /* only supported for persistent notification shown using ServiceWorkerRegistration.showNotification() so disabled */
              /* actions: [{ action: 'action1', title: 'New Button Label' }, { action: 'action2', title: 'Another Button' }] */
            };
 
            // We release the notify
            console.log("Send notification on browser url="+url);
            noti[index] = new Notification(title, extra);
            if (index==0 && audio)
            {
              audio.play();
            }
 
            if (noti[index]) {
              noti[index].onclick = function (event) {
                /* If the use has clicked on button Activate */
                console.log("A click on notification on browser has been done for url="+url);
                event.preventDefault(); // prevent the browser from focusing the Notification's tab
                window.focus();
                window.open(url, '_blank');
                noti[index].close();
              };
 
              listofreminderids = (listofreminderids == '' ? '' : listofreminderids + ',') + value.id_reminder
            }
          });
 
          // Update status of all notifications we sent on browser (listofreminderids)
          console.log("Flag notification as done for listofreminderids="+listofreminderids);
          $.ajax("<?php print DOL_URL_ROOT.'/core/ajax/check_notifications.php?action=stopreminder&listofreminderids='; ?>"+listofreminderids, {
            type: "POST",   // Usually post or get
            async: true,
            data: { time_js_next_test: time_js_next_test, token: currentToken }
          });
        } else {
          console.log("No remind to do found, next search at "+time_js_next_test);
        }
      }
    });
 
    result = 1;
  } else {
    console.log("Cancel check_events() with dolnotif_nb_test_for_page="+dolnotif_nb_test_for_page+". Check is useless because javascript Notification.permission is "+Notification.permission+" (blocked manualy or web site is not https).");
 
    result = 2; // We return a positive so the repeated check will done even if authroization is not yet allowed may be after this check)
  }
 
  if (dolnotif_nb_test_for_page >= 5) {
    console.log("We did "+dolnotif_nb_test_for_page+" consecutive test on this page. We stop checking now from here by clearing dolnotif_idinterval="+dolnotif_idinterval);
    clearInterval(dolnotif_idinterval);
  }
 
  return result;
}
<?php
 
print "\n";
print '})'."\n";