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Merge branch 'MDL-28531-22' of git://github.com/FMCorz/moodle into MO…

…ODLE_22_STABLE
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Aparup Banerjee
Aparup Banerjee committed Aug 7, 2012
2 parents dd9f138 + bf8777d commit 0c9a3490bb3eeec6c4f6e280beac0b069be6d860
Showing with 488 additions and 26 deletions.
  1. +46 −24 backup/util/helper/backup_cron_helper.class.php
  2. +2 −2 lib/moodlelib.php
  3. +440 −0 lib/tests/backup_test.php
@@ -110,7 +110,7 @@ public static function run_automated_backup($rundirective = self::RUN_ON_SCHEDUL
$nextstarttime = backup_cron_automated_helper::calculate_next_automated_backup($admin->timezone, $now);
$showtime = "undefined";
if ($nextstarttime > 0) {
$showtime = userdate($nextstarttime,"",$admin->timezone);
$showtime = date('r', $nextstarttime);
}
$rs = $DB->get_recordset('course');
@@ -124,7 +124,14 @@ public static function run_automated_backup($rundirective = self::RUN_ON_SCHEDUL
}
// Skip courses that do not yet need backup
$skipped = !(($backupcourse->nextstarttime >= 0 && $backupcourse->nextstarttime < $now) || $rundirective == self::RUN_IMMEDIATELY);
$skipped = !(($backupcourse->nextstarttime > 0 && $backupcourse->nextstarttime < $now) || $rundirective == self::RUN_IMMEDIATELY);
if ($skipped && $backupcourse->nextstarttime != $nextstarttime) {
$backupcourse->nextstarttime = $nextstarttime;
$backupcourse->laststatus = backup_cron_automated_helper::BACKUP_STATUS_SKIPPED;
$DB->update_record('backup_courses', $backupcourse);
mtrace('Backup of \'' . $course->fullname . '\' is scheduled on ' . $showtime);
}
// Skip backup of unavailable courses that have remained unmodified in a month
if (!$skipped && empty($course->visible) && ($now - $course->timemodified) > 31*24*60*60) { //Hidden + settings were unmodified last month
//Check log if there were any modifications to the course content
@@ -139,9 +146,10 @@ public static function run_automated_backup($rundirective = self::RUN_ON_SCHEDUL
$skipped = true;
}
}
//Now we backup every non-skipped course
if (!$skipped) {
mtrace('Backing up '.$course->fullname, '...');
mtrace('Backing up '.$course->fullname.'...');
//We have to send a email because we have included at least one backup
$emailpending = true;
@@ -270,38 +278,47 @@ public static function get_backup_status_array() {
/**
* Works out the next time the automated backup should be run.
*
* @param mixed $timezone
* @param int $now
* @return int
* @param mixed $timezone user timezone
* @param int $now timestamp, should not be in the past, most likely time()
* @return int timestamp of the next execution at server time
*/
public static function calculate_next_automated_backup($timezone, $now) {
$result = -1;
$result = 0;
$config = get_config('backup');
$midnight = usergetmidnight($now, $timezone);
$autohour = $config->backup_auto_hour;
$automin = $config->backup_auto_minute;
// Gets the user time relatively to the server time.
$date = usergetdate($now, $timezone);
$usertime = mktime($date['hours'], $date['minutes'], $date['seconds'], $date['mon'], $date['mday'], $date['year']);
$diff = $now - $usertime;
// Get number of days (from today) to execute backups
// Get number of days (from user's today) to execute backups.
$automateddays = substr($config->backup_auto_weekdays, $date['wday']) . $config->backup_auto_weekdays;
$daysfromtoday = strpos($automateddays, "1", 1);
$daysfromnow = strpos($automateddays, "1");
// If we can't find the next day, we set it to tomorrow
if (empty($daysfromtoday)) {
$daysfromtoday = 1;
// Error, there are no days to schedule the backup for.
if ($daysfromnow === false) {
return 0;
}
// If some day has been found
if ($daysfromtoday !== false) {
// Calculate distance
$dist = ($daysfromtoday * 86400) + // Days distance
($config->backup_auto_hour * 3600) + // Hours distance
($config->backup_auto_minute * 60); // Minutes distance
$result = $midnight + $dist;
// Checks if the date would happen in the future (of the user).
$userresult = mktime($autohour, $automin, 0, $date['mon'], $date['mday'] + $daysfromnow, $date['year']);
if ($userresult <= $usertime) {
// If not, we skip the first scheduled day, that should fix it.
$daysfromnow = strpos($automateddays, "1", 1);
$userresult = mktime($autohour, $automin, 0, $date['mon'], $date['mday'] + $daysfromnow, $date['year']);
}
// If that time is past, call the function recursively to obtain the next valid day
if ($result > 0 && $result < time()) {
$result = self::calculate_next_automated_backup($timezone, $result);
// Now we generate the time relative to the server.
$result = $userresult + $diff;
// If that time is past, call the function recursively to obtain the next valid day.
if ($result <= $now) {
// Checking time() in here works, but makes PHPUnit Tests extremely hard to predict.
// $now should never be earlier than time() anyway...
$result = self::calculate_next_automated_backup($timezone, $now + DAYSECS);
}
return $result;
@@ -411,7 +428,12 @@ public static function get_automated_backup_state($rundirective = self::RUN_ON_S
$config = get_config('backup');
$active = (int)$config->backup_auto_active;
if ($active === self::AUTO_BACKUP_DISABLED || ($rundirective == self::RUN_ON_SCHEDULE && $active === self::AUTO_BACKUP_MANUAL)) {
$weekdays = (string)$config->backup_auto_weekdays;
// In case of automated backup also check that it is scheduled for at least one weekday.
if ($active === self::AUTO_BACKUP_DISABLED ||
($rundirective == self::RUN_ON_SCHEDULE && $active === self::AUTO_BACKUP_MANUAL) ||
($rundirective == self::RUN_ON_SCHEDULE && strpos($weekdays, '1') === false)) {
return self::STATE_DISABLED;
} else if (!empty($config->backup_auto_running)) {
// Detect if the backup_auto_running semaphore is a valid one
@@ -2251,10 +2251,10 @@ function get_user_timezone($tz = 99) {
$tz = 99;
while(($tz == '' || $tz == 99 || $tz == NULL) && $next = each($timezones)) {
// Loop while $tz is, empty but not zero, or 99, and there is another timezone is the array
while(((empty($tz) && !is_numeric($tz)) || $tz == 99) && $next = each($timezones)) {
$tz = $next['value'];
}
return is_numeric($tz) ? (float) $tz : $tz;
}

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