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plugins/libkolab/lib/kolab_date_recurrence.php
| Show First 20 Lines • Show All 132 Lines • ▼ Show 20 Lines | public function end() | ||||
| $end_dt = clone $event['end']; | $end_dt = clone $event['end']; | ||||
| $end_dt->add(new DateInterval('P100Y')); | $end_dt->add(new DateInterval('P100Y')); | ||||
| return $end_dt; | return $end_dt; | ||||
| } | } | ||||
| return false; | return false; | ||||
| } | } | ||||
| /** | |||||
| * Find date/time of the first occurrence (excluding start date) | |||||
| */ | |||||
| public function first_occurrence() | |||||
| { | |||||
| $event = $this->object->to_array(); | |||||
| $start = clone $this->start; | |||||
| $orig_start = clone $this->start; | |||||
| $interval = intval($event['recurrence']['INTERVAL'] ?: 1); | |||||
| switch ($event['recurrence']['FREQ']) { | |||||
| case 'WEEKLY': | |||||
| if (empty($event['recurrence']['BYDAY'])) { | |||||
| return $orig_start; | |||||
| } | |||||
| $start->sub(new DateInterval("P{$interval}W")); | |||||
| break; | |||||
| case 'MONTHLY': | |||||
| if (empty($event['recurrence']['BYDAY']) && empty($event['recurrence']['BYMONTHDAY'])) { | |||||
| return $orig_start; | |||||
| } | |||||
| $start->sub(new DateInterval("P{$interval}M")); | |||||
| break; | |||||
| case 'YEARLY': | |||||
| if (empty($event['recurrence']['BYDAY']) && empty($event['recurrence']['BYMONTH'])) { | |||||
| return $orig_start; | |||||
| } | |||||
| $start->sub(new DateInterval("P{$interval}Y")); | |||||
| break; | |||||
| case 'DAILY': | |||||
| if (!empty($event['recurrence']['BYMONTH'])) { | |||||
| break; | |||||
| } | |||||
| default: | |||||
| return $orig_start; | |||||
| } | |||||
| $event['start'] = $start; | |||||
| $event['recurrence']['INTERVAL'] = $interval; | |||||
| if ($event['recurrence']['COUNT']) { | |||||
| // Increase count so we do not stop the loop to early | |||||
| $event['recurrence']['COUNT'] += 100; | |||||
| } | |||||
| // Create recurrence that starts in the past | |||||
| $object_type = $this->object instanceof kolab_format_task ? 'task' : 'event'; | |||||
| $object = kolab_format::factory($object_type, 3.0); | |||||
| $object->set($event); | |||||
| $recurrence = new self($object); | |||||
| // find the first occurrence | |||||
| $found = false; | |||||
| while ($next = $recurrence->next_start()) { | |||||
| $start = $next; | |||||
| if ($next >= $orig_start) { | |||||
| $found = true; | |||||
| break; | |||||
| } | |||||
| } | |||||
| if (!$found) { | |||||
| rcube::raise_error(array( | |||||
| 'file' => __FILE__, | |||||
| 'line' => __LINE__, | |||||
| 'message' => sprintf("Failed to find a first occurrence. Start: %s, Recurrence: %s", | |||||
| $orig_start->format(DateTime::ISO8601), json_encode($event['recurrence'])), | |||||
| ), true); | |||||
| return null; | |||||
| } | |||||
| if ($orig_start->_dateonly) { | |||||
| $start->_dateonly = true; | |||||
| } | |||||
| return $start; | |||||
| } | |||||
| } | } | ||||