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($CFG->libdir.'/adminlib.php');
   7     require_once($CFG->libdir.'/filelib.php');
   8     require_once($CFG->libdir.'/olson.php');
   9
  10     $adminroot = admin_get_root();
  11     admin_externalpage_setup('timezoneimport', $adminroot);
  12
  13     $ok = optional_param('ok', 0, PARAM_BOOL);
  14
  15
  16 /// Print headings
  17
  18     $strimporttimezones = get_string('importtimezones', 'admin');
  19
  20     admin_externalpage_print_header($adminroot);
  21
  22     print_heading($strimporttimezones);
  23
  24     if (!$ok or !confirm_sesskey()) {
  25         $message = '<br /><br />';
  26         $message .= $CFG->dataroot.'/temp/olson.txt<br />';
  27         $message .= $CFG->dataroot.'/temp/timezones.txt<br />';
  28         $message .= '<a href="http://download.moodle.org/timezones/">http://download.moodle.org/timezones/</a><br />';
  29         $message .= '<a href="'.$CFG->wwwroot.'/lib/timezones.txt">'.$CFG->dirroot.'/lib/timezones.txt</a><br />';
  30         $message .= '<br />';
  31
  32         $message = get_string("configintrotimezones", 'admin', $message);
  33
  34         notice_yesno($message, 'timezoneimport.php?ok=1&amp;sesskey='.sesskey(), 'index.php');
  35
  36         admin_externalpage_print_footer($adminroot);
  37         exit;
  38     }
  39
  40
  41 /// Try to find a source of timezones to import from
  42
  43     $importdone = false;
  44
  45 /// First, look for an Olson file locally
  46
  47     $source = $CFG->dataroot.'/temp/olson.txt';
  48     if (!$importdone and is_readable($source)) {
  49         if ($timezones = olson_to_timezones($source)) {
  50             update_timezone_records($timezones);
  51             $importdone = $source;
  52         }
  53     }
  54
  55 /// Next, look for a CSV file locally
  56
  57     $source = $CFG->dataroot.'/temp/timezones.txt';
  58     if (!$importdone and is_readable($source)) {
  59         if ($timezones = get_records_csv($source, 'timezone')) {
  60             update_timezone_records($timezones);
  61             $importdone = $source;
  62         }
  63     }
  64
  65 /// Otherwise, let's try moodle.org's copy
  66
  67     $source = 'http://download.moodle.org/timezones/';
  68     if (!$importdone and ini_get('allow_url_fopen')) {
  69         if (is_readable($source) && $contents = file_get_contents($source)) {  // Grab whole page
  70             if ($file = fopen($CFG->dataroot.'/temp/timezones.txt', 'w')) {            // Make local copy
  71                 fwrite($file, $contents);
  72                 fclose($file);
  73                 if ($timezones = get_records_csv($CFG->dataroot.'/temp/timezones.txt', 'timezone')) {  // Parse it
  74                     update_timezone_records($timezones);
  75                     $importdone = $source;
  76                 }
  77                 unlink($CFG->dataroot.'/temp/timezones.txt');
  78             }
  79         }
  80     }
  81
  82
  83 /// Final resort, use the copy included in Moodle
  84
  85     $source = $CFG->dirroot.'/lib/timezones.txt';
  86     if (!$importdone and is_readable($source)) {  // Distribution file
  87         if ($timezones = get_records_csv($source, 'timezone')) {
  88             update_timezone_records($timezones);
  89             $importdone = $source;
  90         }
  91     }
  92
  93
  94 /// That's it!
  95
  96     if ($importdone) {
  97         $a = null;
  98         $a->count = count($timezones);
  99         $a->source  = $importdone;
 100         print_heading(get_string('importtimezonescount', 'admin', $a), '', 3);
 101
 102         print_continue('index.php');
 103
 104         $timezonelist = array();
 105         foreach ($timezones as $timezone) {
 106             if (isset($timezonelist[$timezone->name])) {
 107                 $timezonelist[$timezone->name]++;
 108             } else {
 109                 $timezonelist[$timezone->name] = 1;
 110             }
 111         }
 112         ksort($timezonelist);
 113
 114         echo "<br />";
 115         print_simple_box_start('center');
 116         foreach ($timezonelist as $name => $count) {
 117             echo "$name ($count)<br />";
 118         }
 119         print_simple_box_end();
 120
 121     } else {
 122         print_heading(get_string('importtimezonesfailed', 'admin'), '', 3);
 123         print_continue('index.php');
 124     }
 125
 126     admin_externalpage_print_footer($adminroot);
 127
 128 ?>