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<?php |
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/* For licensing terms, see /license.txt */ |
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/** |
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* Create course sessions procedure. It creates sessions for courses that haven't it yet. |
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* If today is greater than OFFSET, it will create them also for the next quarter. |
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* |
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* @package chamilo.cron |
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* |
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* @author Imanol Losada <[email protected]> |
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*/ |
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/** |
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* Initialization. |
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*/ |
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if (php_sapi_name() != 'cli') { |
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exit; //do not run from browser |
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} |
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require_once __DIR__."/../inc/global.inc.php"; |
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// First day of the current month to create sessions and add courses for the next month (e.g. "07") |
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define("OFFSET", "15"); |
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/** |
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* If no $initialDate is supplied, returns an array with the first and last days of the current |
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* month. Otherwise, returns an array with the first and last days of the $initialDate month . |
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* |
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* @param array $initialDate First day of the month |
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* |
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* @return array First and last days of the month |
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*/ |
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function getMonthFirstAndLastDates($initialDate = null) |
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{ |
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$startDate = $initialDate ? $initialDate : date("Y-m-01"); |
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$nextMonthStartDate = date("Y-m-d", api_strtotime($startDate." + 1 month")); |
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$endDate = date("Y-m-d", api_strtotime($nextMonthStartDate." - 1 minute")); |
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return ['startDate' => $startDate, 'endDate' => $endDate]; |
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} |
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/** |
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* Same as month, but for quarters. |
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* |
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* @param array $initialDate First day of the quarter |
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* |
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* @return array First and last days of the quarter |
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*/ |
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function getQuarterFirstAndLastDates($initialDate = null) |
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{ |
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$startDate = $initialDate ? $initialDate : date("Y-m-01"); |
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$month = getQuarterFirstMonth(getQuarter(date('m', $startDate))); |
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$startDate = substr($startDate, 0, 5).$month.'-01'; |
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$nextQuarterStartDate = date('Y-m-d', api_strtotime($startDate.' + 3 month')); |
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$endDate = date('Y-m-d', api_strtotime($nextQuarterStartDate.' - 1 minute')); |
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return ['startDate' => $startDate, 'endDate' => $endDate]; |
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} |
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/** |
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* Returns a quarter from a month. |
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* |
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* @param string The month (digit), with or without leading 0 |
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* @param string $month |
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* |
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* @return int The yearly quarter (1, 2, 3 or 4) in which this month lies |
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*/ |
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function getQuarter($month) |
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{ |
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$quarter = 1; |
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// Remove the leading 0 if any |
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if (substr($month, 0, 1) == '0') { |
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$month = substr($month, 1); |
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} |
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// reduce to 4 quarters: 1..3=1; 4..6=2 |
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switch ($month) { |
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case 1: |
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case 2: |
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case 3: |
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$quarter = 1; |
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break; |
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case 4: |
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case 5: |
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case 6: |
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$quarter = 2; |
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break; |
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case 7: |
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case 8: |
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case 9: |
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$quarter = 3; |
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break; |
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case 10: |
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case 11: |
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case 12: |
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$quarter = 4; |
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break; |
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} |
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return $quarter; |
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} |
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/** |
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* Returns the first month of the quarter. |
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* |
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* @param int Quarter |
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* @param int $quarter |
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* |
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* @return string Number of the month, with leading 0 |
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*/ |
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function getQuarterFirstMonth($quarter) |
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{ |
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switch ($quarter) { |
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case 1: |
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return '01'; |
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case 2: |
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return '04'; |
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case 3: |
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return '07'; |
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case 4: |
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return '10'; |
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} |
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return false; |
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} |
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/** |
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* Get the quarter in Roman letters. |
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* |
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* @param int Quarter |
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* @param int $quarter |
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* |
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* @return string Roman letters |
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*/ |
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function getQuarterRoman($quarter) |
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{ |
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switch ($quarter) { |
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case 1: |
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return 'I'; |
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case 2: |
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return 'II'; |
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case 3: |
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return 'III'; |
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case 4: |
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return 'IV'; |
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} |
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} |
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/** |
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* Creates one session per course with $administratorId as the creator and |
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* adds it to the session starting on $startDate and finishing on $endDate. |
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* |
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* @param array $courses Courses |
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* @param int $administratorId Administrator id |
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* @param date $startDate First day of the month |
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* @param date $endDate Last day of the month |
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*/ |
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function createCourseSessions($courses, $administratorId, $startDate, $endDate) |
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{ |
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echo "\n"; |
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echo $courses ? |
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"Creating sessions and adding courses for the period between ".$startDate." and ".$endDate : "Every course is already in session for the period between ".$startDate." and ".$endDate; |
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echo "\n=====================================================================================\n\n"; |
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// Loop through courses creating one session per each and adding them |
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foreach ($courses as $course) { |
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//$period = date("m/Y", api_strtotime($startDate)); |
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$month = date("m", api_strtotime($startDate)); |
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$year = date("Y", api_strtotime($startDate)); |
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$quarter = getQuarter($month); |
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$quarter = getQuarterRoman($quarter); |
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$period = $year.'-'.$quarter; |
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$sessionName = '['.$period.'] '.$course['title']; |
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$sessionId = SessionManager::create_session( |
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$sessionName, |
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$startDate, |
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$endDate, |
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null, |
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null, |
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null, |
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null, |
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$administratorId, |
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0, |
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SESSION_INVISIBLE |
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); |
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SessionManager::add_courses_to_session($sessionId, [$course['id']]); |
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echo "Session '".$sessionName."' created.\nCourse '".$course['title']."' added.\n\n"; |
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} |
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} |
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// Starts the script |
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echo "Starting process...".PHP_EOL; |
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// Get first active administrator |
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$administrators = array_reverse(UserManager::get_all_administrators()); |
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$lastingAdministrators = count($administrators); |
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while (!$administrators[$lastingAdministrators - 1]['active'] && $lastingAdministrators > 0) { |
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$lastingAdministrators--; |
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} |
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if (!$lastingAdministrators) { |
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echo "There are no active administrators. Process halted.\n"; |
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exit; |
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} |
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$administratorId = intval($administrators[$lastingAdministrators - 1]['user_id']); |
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// Creates course sessions for the current month |
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$dates = getQuarterFirstAndLastDates(date('Y-m-').'01'); |
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// Get courses that don't have any session |
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$courses = CourseManager::getCoursesWithoutSession($dates['startDate'], $dates['endDate']); |
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createCourseSessions($courses, $administratorId, $dates['startDate'], $dates['endDate']); |
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// Creates course sessions for the following month |
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$offsetDay = intval(substr($dates['endDate'], 8, 2)) - OFFSET; |
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if (date("Y-m-d") >= date(substr($dates['endDate'], 0, 8).$offsetDay)) { |
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$dates = getQuarterFirstAndLastDates(date("Y-m-d", api_strtotime(date("Y-m-01")." + 3 month"))); |
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// Get courses that don't have any session the next month |
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$courses = CourseManager::getCoursesWithoutSession($dates['startDate'], $dates['endDate']); |
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createCourseSessions($courses, $administratorId, $dates['startDate'], $dates['endDate']); |
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} |
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