admin/timezoneimport.php

   1 <?php // $Id$
   2
   3     // Automatic update of Timezones from a new source
   4
   5     require_once('../config.php');
   6     require_once($CFG->libdir.'/filelib.php');
   7     require_once($CFG->libdir.'/olson.php');
   8
   9     $ok = optional_param('ok');
  10
  11     require_login();
  12
  13     if (!isadmin()) {
  14         error('Only administrators can use this page!');
  15     }
  16
  17     if (!$site = get_site()) {
  18         error('Site isn\'t defined!');
  19     }
  20
  21 /// Print headings
  22
  23     $stradministration = get_string('administration');
  24     $strconfiguration = get_string('configuration');
  25     $strcalendarsettings = get_string('calendarsettings', 'admin');
  26     $strimporttimezones = get_string('importtimezones', 'admin');
  27
  28     print_header("$site->shortname: $strcalendarsettings", "$site->fullname",
  29                  "<a href=\"index.php\">$stradministration</a> -> ".
  30                  "<a href=\"configure.php\">$strconfiguration</a> -> ".
  31                  "<a href=\"calendar.php\">$strcalendarsettings</a> -> $strimporttimezones");
  32
  33     print_heading($strimporttimezones);
  34
  35     if (!$ok or !confirm_sesskey()) {
  36         $message = '<p>';
  37         $message .= $CFG->dataroot.'/temp/olson.txt<br />';
  38         $message .= $CFG->dataroot.'/temp/timezones.txt<br />';
  39         $message .= '<a href="http://download.moodle.org/timezones/">http://download.moodle.org/timezones/</a><br />';
  40         $message .= '<a href="'.$CFG->wwwroot.'/lib/timezones.txt">'.$CFG->dirroot.'/lib/timezones.txt</a><br />';
  41         $message .= '</p>';
  42
  43         $message = get_string("configintrotimezones", 'admin', $message);
  44
  45         notice_yesno($message, 'timezoneimport.php?ok=1&sesskey='.sesskey(), 'calendar.php');
  46
  47         print_footer();
  48         exit;
  49     }
  50
  51
  52 /// Try to find a source of timezones to import from
  53
  54     $importdone = false;
  55
  56 /// First, look for an Olson file locally
  57
  58     $source = $CFG->dataroot.'/temp/olson.txt';
  59     if (!$importdone and is_readable($source)) {
  60         if ($timezones = olson_to_timezones($source)) {
  61             update_timezone_records($timezones);
  62             $importdone = $source;
  63         }
  64     }
  65
  66 /// Next, look for a CSV file locally
  67
  68     $source = $CFG->dataroot.'/temp/timezones.txt';
  69     if (!$importdone and is_readable($source)) {
  70         if ($timezones = get_records_csv($source, 'timezone')) {
  71             update_timezone_records($timezones);
  72             $importdone = $source;
  73         }
  74     }
  75
  76 /// Otherwise, let's try moodle.org's copy
  77
  78     $source = 'http://download.moodle.org/timezones/';
  79     if (!$importdone and ini_get('allow_url_fopen')) {
  80         if (is_readable($source) && $contents = file_get_contents($source)) {  // Grab whole page
  81             if ($file = fopen($CFG->dataroot.'/temp/timezones.txt', 'w')) {            // Make local copy
  82                 fwrite($file, $contents);
  83                 fclose($file);
  84                 if ($timezones = get_records_csv($CFG->dataroot.'/temp/timezones.txt', 'timezone')) {  // Parse it
  85                     update_timezone_records($timezones);
  86                     $importdone = $source;
  87                 }
  88                 unlink($CFG->dataroot.'/temp/timezones.txt');
  89             }
  90         }
  91     }
  92
  93
  94 /// Final resort, use the copy included in Moodle
  95
  96     $source = $CFG->dirroot.'/lib/timezones.txt';
  97     if (!$importdone and is_readable($source)) {  // Distribution file
  98         if ($timezones = get_records_csv($source, 'timezone')) {
  99             update_timezone_records($timezones);
 100             $importdone = $source;
 101         }
 102     }
 103
 104
 105 /// That's it!
 106
 107     if ($importdone) {
 108         $a = null;
 109         $a->count = count($timezones);
 110         $a->source  = $importdone;
 111         print_heading(get_string('importtimezonescount', 'admin', $a), '', 3);
 112
 113         print_continue('calendar.php');
 114
 115         $timezonelist = array();
 116         foreach ($timezones as $timezone) {
 117             if (isset($timezonelist[$timezone->name])) {
 118                 $timezonelist[$timezone->name]++;
 119             } else {
 120                 $timezonelist[$timezone->name] = 1;
 121             }
 122         }
 123         ksort($timezonelist);
 124
 125         echo "<br />";
 126         print_simple_box_start('center');
 127         foreach ($timezonelist as $name => $count) {
 128             echo "$name ($count)<br />";
 129         }
 130         print_simple_box_end();
 131
 132     } else {
 133         print_heading(get_string('importtimezonesfailed', 'admin'), '', 3);
 134         print_continue('calendar.php');
 135     }
 136
 137     print_footer();
 138
 139 ?>