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