admin/timezoneimport.php

   1 <?php
   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     echo $OUTPUT->header();
  20
  21     echo $OUTPUT->heading($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/timezone.txt<br />';
  27         $message .= '<a href="http://download.moodle.org/timezone/">http://download.moodle.org/timezone/</a><br />';
  28         $message .= '<a href="'.$CFG->wwwroot.'/lib/timezone.txt">'.$CFG->dirroot.'/lib/timezone.txt</a><br />';
  29         $message .= '<br />';
  30
  31         $message = get_string("configintrotimezones", 'admin', $message);
  32
  33         echo $OUTPUT->confirm($message, 'timezoneimport.php?ok=1', 'index.php');
  34
  35         echo $OUTPUT->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 = $CFG->dataroot.'/temp/timezone.txt';
  57     if (!$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     $source = 'http://download.moodle.org/timezone/';
  66     if (!$importdone && ($content=download_file_content($source))) {
  67         if ($file = fopen($CFG->dataroot.'/temp/timezone.txt', 'w')) {            // Make local copy
  68             fwrite($file, $content);
  69             fclose($file);
  70             if ($timezones = get_records_csv($CFG->dataroot.'/temp/timezone.txt', 'timezone')) {  // Parse it
  71                 update_timezone_records($timezones);
  72                 $importdone = $source;
  73             }
  74             unlink($CFG->dataroot.'/temp/timezone.txt');
  75         }
  76     }
  77
  78
  79 /// Final resort, use the copy included in Moodle
  80     $source = $CFG->dirroot.'/lib/timezone.txt';
  81     if (!$importdone and is_readable($source)) {  // Distribution file
  82         if ($timezones = get_records_csv($source, 'timezone')) {
  83             update_timezone_records($timezones);
  84             $importdone = $source;
  85         }
  86     }
  87
  88
  89 /// That's it!
  90
  91     if ($importdone) {
  92         $a = null;
  93         $a->count = count($timezones);
  94         $a->source  = $importdone;
  95         echo $OUTPUT->heading(get_string('importtimezonescount', 'admin', $a), 3);
  96
  97         echo $OUTPUT->continue_button('index.php');
  98
  99         $timezonelist = array();
 100         foreach ($timezones as $timezone) {
 101             if (is_array($timezone)) {
 102                 $timezone = (object)$timezone;
 103             }
 104             if (isset($timezonelist[$timezone->name])) {
 105                 $timezonelist[$timezone->name]++;
 106             } else {
 107                 $timezonelist[$timezone->name] = 1;
 108             }
 109         }
 110         ksort($timezonelist);
 111
 112         echo "<br />";
 113         echo $OUTPUT->box_start();
 114         foreach ($timezonelist as $name => $count) {
 115             echo "$name ($count)<br />";
 116         }
 117         echo $OUTPUT->box_end();
 118
 119     } else {
 120         echo $OUTPUT->heading(get_string('importtimezonesfailed', 'admin'), 3);
 121         echo $OUTPUT->continue_button('index.php');
 122     }
 123
 124     echo $OUTPUT->footer();
 125
 126