function src_event_edit()
{
if (!CheckPermissions($this->mPermission)) {
return;
}
// Get data from uri resolution.
$source_id = $this->mData['SourceId'];
$event_id = $this->mData['EventId'];
$occurrence_specified = array_key_exists('OccurrenceId', $this->mData);
if ($occurrence_specified) {
$occurrence_id = $this->mData['OccurrenceId'];
} else {
$occurrence_id = NULL;
}
// Validate the source
if (!$this->_GetSource()) {
return;
}
$this->load->library('calendar_view_edit_simple');
$this->pages_model->SetPageCode('calendar_event_edit');
// Get the redirect url tail
$args = func_get_args();
$tail = implode('/', $args);
$get_action = '';
if (isset($_GET['action'])) {
$get_action = $_GET['action'];
}
// Fetch the specified event
$calendar_data = new CalendarData();
$this->mMainSource->FetchEvent($calendar_data, $source_id, $event_id);
$events = $calendar_data->GetEvents();
if (array_key_exists(0, $events)) {
$event = $events[0];
// Find the occurrence
$found_occurrence = NULL;
if (NULL !== $occurrence_id) {
foreach ($event->Occurrences as $key => $occurrence) {
if ($occurrence->SourceOccurrenceId == $occurrence_id) {
$found_occurrence =& $event->Occurrences[$key];
break;
}
}
if (NULL === $found_occurrence) {
$this->messages->AddMessage('warning', 'The event occurrence with id ' . $occurrence_id . ' does not belong to the event with id ' . $event_id . '.');
redirect($this->mPaths->EventInfo($event) . '/' . $tail);
return;
}
}
if (NULL === $occurrence_id) {
// default to the only occurrence if there is only one.
if (count($event->Occurrences) == 1) {
$found_occurrence =& $event->Occurrences[0];
$occurrence_id = $found_occurrence->SourceOccurrenceId;
}
}
// Get the buttons from post data
$prefix = 'eved';
$return_button = isset($_POST[$prefix . '_return']);
if (false !== $event && $event->ReadOnly) {
$return_button = TRUE;
$this->messages->AddMessage('error', 'You do not have permission to make changes to this event.');
}
if ($return_button) {
// REDIRECT
if ($occurrence_specified) {
$path = $this->mPaths->OccurrenceInfo($found_occurrence);
} else {
$path = $this->mPaths->EventInfo($event);
}
return redirect($path . '/' . $tail);
}
$input_summary = $this->input->post($prefix . '_summary');
$errors = array();
$process_input = false;
// Read the recurrence data
if (isset($_POST[$prefix . '_recur_simple']) and isset($_POST[$prefix . '_start']) and isset($_POST[$prefix . '_duration']) and isset($_POST[$prefix . '_inex'])) {
$rset_arr = $_POST[$prefix . '_recur_simple'];
$rset = Calendar_view_edit_simple::validate_recurrence_set_data(!(isset($_POST[$prefix . '_allday']) && $_POST[$prefix . '_allday']), $_POST[$prefix . '_start'], $_POST[$prefix . '_duration'], $_POST[$prefix . '_recur_simple'], $_POST[$prefix . '_inex'], $errors);
}
// Fill it in if none supplied
/// @todo Fix that the new rset doesn't have the same rrule ids, so theres a deletion/insertion instead of update.
if (!isset($rset_arr)) {
$rset = $event->GetRecurrenceSet();
if ((isset($_POST['evview_delete']) || 'delete' == $get_action) && NULL !== $found_occurrence) {
$inex_date = array($found_occurrence->StartTime->Format('Ymd') => array(NULL => NULL));
$rset->RemoveRDates($inex_date);
$rset->AddExDates($inex_date);
$process_input = true;
$_POST[$prefix . '_save'] = true;
$input_valid = true;
} elseif (isset($_POST['evview_delete_all']) || 'delete_all' == $get_action) {
$rset->ClearRecurrence();
$process_input = true;
$_POST[$prefix . '_save'] = true;
$input_valid = true;
} elseif ((isset($_POST['evview_restore']) || 'restore' == $get_action) && NULL !== $found_occurrence) {
$inex_date = array($found_occurrence->StartTime->Format('Ymd') => array(NULL => NULL));
$rset->RemoveExDates($inex_date);
$rset->AddRDates($inex_date);
$process_input = true;
$_POST[$prefix . '_save'] = true;
$input_valid = true;
}
$rset_arr = Calendar_view_edit_simple::transform_recur_for_view($rset, $errors);
}
// Always fill in the inex info again, ignoring input from form.
$inex_arr = Calendar_view_edit_simple::transform_inex_for_view($rset, $errors);
list($start, $end) = $rset->GetStartEnd();
$categories = $this->mSource->GetAllCategories();
$input = array('name' => $event->Name, 'description' => $event->Description, 'location_name' => $event->LocationDescription, 'category' => 0, 'time_associated' => $event->TimeAssociated);
if (isset($categories[$event->Category])) {
$input['category'] = $categories[$event->Category]['id'];
}
$input_summary = $this->input->post($prefix . '_summary');
$confirm_list = NULL;
if (false !== $input_summary) {
$input_valid = true;
$process_input = true;
// Get more post data
$input['name'] = $input_summary;
if (strlen($input['name']) <= 3 or strlen($input['name']) >= 256) {
$input_valid = false;
$this->messages->AddMessage('error', 'Event summary is too long or too short.');
}
$input_description = $this->input->post($prefix . '_description');
if (false !== $input_description) {
$input['description'] = $input_description;
if (strlen($input['name']) > 65535) {
$input_valid = false;
$this->messages->AddMessage('error', 'Event description is too long.');
}
}
$input_category = $this->input->post($prefix . '_category');
if (false !== $input_category) {
$input['category'] = $input_category;
}
$input_location = $this->input->post($prefix . '_location');
if (false !== $input_location) {
$input['location_name'] = $input_location;
if (strlen($input['location_name']) > 50) {
$input_valid = false;
$this->messages->AddMessage('error', 'Event location is too long.');
}
}
$input['time_associated'] = $this->input->post($prefix . '_allday') === false;
}
if ($process_input) {
// at this point $start and $end are still plain timestamps
$input['recur'] = $rset;
if ($input_valid && empty($errors)) {
if (isset($_POST[$prefix . '_save'])) {
$confirm_list = $this->mMainSource->GetEventRecurChanges($event, $rset);
if (isset($confirm_list['draft']) && !$this->mMainSource->IsSupported('publish')) {
unset($confirm_list['draft']);
}
if (empty($confirm_list)) {
$_POST[$prefix . '_confirm']['confirm_btn'] = 'Confirm';
}
}
if (isset($_POST[$prefix . '_confirm']['confirm_btn'])) {
if (NULL === $confirm_list) {
$confirm_list = $this->mMainSource->GetEventRecurChanges($event, $rset);
}
// Make the change
$messages = $this->mMainSource->AmmendEvent($event, $input);
$this->messages->AddMessages($messages);
if (!array_key_exists('error', $messages) || empty($messages['error'])) {
// Success
$this->messages->AddMessage('success', 'Event updated');
// Publish the specified occurrences.
$publish_occurrences = array();
foreach (array('create', 'draft') as $namespace) {
if (isset($_POST[$prefix . '_confirm'][$namespace . '_publish'])) {
foreach ($_POST[$prefix . '_confirm'][$namespace . '_publish'] as $day => $dummy) {
if (isset($confirm_list[$namespace][$day])) {
$publish_occurrences[] = $confirm_list[$namespace][$day]['start_time'];
}
}
}
}
if (!empty($publish_occurrences)) {
$published = $this->mSource->PublishOccurrences($event, $publish_occurrences);
$desired = count($publish_occurrences);
if ($published < $desired) {
$message_type = 'warning';
} else {
$message_type = 'success';
}
$this->messages->Addmessage($message_type, "{$published} out of {$desired} occurrences were published.");
}
// changes have been made including possible deletion.
// if the redirection results in event not found, we
// want it to redirect straight back to the tail.
$_SESSION['calendar']['modded'][$event_id] = 1;
// REDIRECT
if ($occurrence_specified) {
$path = $this->mPaths->OccurrenceInfo($found_occurrence);
} else {
$path = $this->mPaths->EventInfo($event);
}
return redirect($path . '/' . $tail);
}
}
}
}
// Ready output data
$start = new Academic_time($start);
$end = new Academic_time($end);
$eventinfo = array('summary' => $input['name'], 'description' => $input['description'], 'location' => $input['location_name'], 'category' => $input['category'], 'allday' => !$input['time_associated'], 'start' => array('monthday' => $start->DayOfMonth(), 'month' => $start->Month(), 'year' => $start->Year(), 'time' => $start->Hour() . ':' . $start->Minute(), 'yearday' => $start->DayOfYear(), 'day' => $start->DayOfWeek(), 'monthweek' => (int) (($start->DayOfMonth() + 6) / 7)), 'duration' => Calendar_view_edit_simple::calculate_duration($start, $end));
if ($this->events_model->IsVip()) {
$help_xhtml = $this->pages_model->GetPropertyWikitext('help_vip');
} else {
$help_xhtml = $this->pages_model->GetPropertyWikitext('help_personal');
}
$data = array('SimpleRecur' => $rset_arr, 'InExDates' => $inex_arr, 'FailRedirect' => '/' . $tail, 'Path' => $this->mPaths, 'EventCategories' => $categories, 'FormPrefix' => $prefix, 'EventInfo' => $eventinfo, 'Help' => $help_xhtml, 'CanPublish' => $this->mMainSource->IsSupported('publish'), 'Create' => false, 'SuccessRedirect' => false);
if (is_array($confirm_list)) {
$data['Confirms'] = $confirm_list;
if (isset($_POST[$prefix . '_confirm'])) {
$data['Confirm'] = $_POST[$prefix . '_confirm'];
} else {
$data['Confirm'] = NULL;
}
}
foreach ($errors as $error) {
$this->messages->AddMessage('error', $error['text']);
}
$this->SetupTabs('', $start);
$this->main_frame->SetTitleParameters(array('source' => $this->mSource->GetSourceName(), 'event' => $event->Name));
$this->main_frame->IncludeCss('stylesheets/calendar.css');
$this->main_frame->IncludeJs('javascript/simple_ajax.js');
$this->main_frame->IncludeJs('javascript/css_classes.js');
$this->main_frame->IncludeJs('javascript/calendar_edit.js');
$this->main_frame->SetContent(new FramesView('calendar/event_edit', $data));
} else {
// Event not in list
$this->ErrorNotAccessible($tail);
}
$this->main_frame->Load();
}
/**
* @return array,NULL,FALSE: NULL if no recurrence, FALSE if too complicated.
*/
static function transform_recur_for_view(&$recur, &$errors)
{
if (NULL === $recur) {
return NULL;
}
/*
* check in following order:
* daily, interval, no bys
* weekly, interval, byday multiple
* monthly, interval
* bymonthday singular
* bydayn singular / byday singular, setpos / byday multiple special, setpos
* yearly, interval
* bymonthday singular, bymonth singular
* bydayn singular, bymonth singular
* byyearday
*/
/// @TODO allow implicit monthly/yearly bymonthday[, bymonth]
$rrule = $recur->GetSimpleRrule();
if (NULL !== $rrule) {
$fields = $rrule->GetUsedFields();
$freq = $rrule->GetFrequency();
$result = array('enable' => 'on', 'freq' => $freq, 'interval' => $rrule->GetInterval());
if (isset($fields['count'])) {
$result['range_method'] = 'count';
$result['count'] = $rrule->GetCount();
} elseif (isset($fields['until'])) {
$result['range_method'] = 'until';
$until = $rrule->GetUntil();
$result['until'] = array('monthday' => (int) date('d', $until), 'month' => (int) date('n', $until), 'year' => (int) date('Y', $until));
} else {
$result['range_method'] = 'noend';
}
$by_fields = array();
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by') {
$by_fields[$field] = $dummy;
}
}
$match = true;
if ('daily' === $freq) {
if (!empty($by_fields)) {
$match = false;
}
} elseif ('weekly' === $freq) {
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by' && $field !== 'byday') {
$errors[] = array('text' => "Recurrence rule too complicated for basic interface ({$field} detected)");
$match = false;
break;
}
}
if ($match) {
if (isset($fields['byday'])) {
$days = $rrule->GetByDayWeekless();
$result['weekly_byday'] = array();
foreach ($days as $day) {
$result['weekly_byday'][$day] = 'on';
}
} else {
$result['weekly_byday'] = array();
}
}
} elseif ('monthly' === $freq) {
if (isset($fields['bymonthday'])) {
$monthdays = $rrule->GetByMonthDay();
if (count($monthdays) === 1) {
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by' && $field !== 'bymonthday') {
$errors[] = array('text' => "Recurrence rule too complicated for basic interface ({$field} detected)");
$match = false;
break;
}
}
if ($match) {
$result['monthly_method'] = 'monthday';
$monthdays_output = array();
$result['monthly_monthday'] = array('monthday' => $monthdays[0]);
}
} else {
// Not one bymonthday field
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not one bymonthday)");
$match = false;
}
} elseif (isset($fields['byday'])) {
$bydays = $rrule->GetByDay();
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by' && $field !== 'byday' && $field !== 'bysetpos') {
$errors[] = array('text' => "Recurrence rule too complicated for basic interface ({$field} detected)");
$match = false;
break;
}
}
if ($match) {
// Either:
// 1. bydays is individual day with week and no setpos
// 2. bydays is individual day without week and setpos
// 3. bydays is 1,2,3,4,5 without weeks and setpos
$multiple_bydays = count($bydays);
$setpos = $rrule->GetBySetPos();
$dayweeks_specified = NULL;
$weekdays = array();
$has_setpos = isset($fields['bysetpos']);
if (!$has_setpos or count($setpos) == 1) {
foreach ($bydays as $day => $weeks) {
if (is_array($weeks)) {
if (count($weeks) === 1) {
$dayweeks_specified = true;
$actual_weeks = array_keys($weeks);
$result['monthly_weekday'] = array('week' => $actual_weeks[0], 'day' => $day);
} else {
// Not one week in byday field
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not one week in byday)");
$match = false;
}
} else {
$weekdays[] = $day;
}
}
if ($multiple_bydays == 1) {
if ($dayweeks_specified && !$has_setpos) {
// case 1
$result['monthly_method'] = 'weekday';
} elseif (!$dayweeks_specified && $has_setpos) {
// case 2
$result['monthly_method'] = 'weekday';
$result['monthly_weekday'] = array('week' => $setpos[0], 'day' => $weekdays[0]);
// var_dump($result['monthly_weekday']);
} else {
// Invalid combination of byday and bysetpos
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (unknown combination of byday and bysetpos)");
$match = false;
}
} elseif (!$dayweeks_specified && $has_setpos) {
// days = 1,2,3,4,5
sort($weekdays);
if (count($weekdays) == 5 and $weekdays[0] == 1 and $weekdays[1] == 2 and $weekdays[2] == 3 and $weekdays[3] == 4 and $weekdays[4] == 5) {
// case 3
$result['monthly_method'] = 'weekday';
$result['monthly_weekday'] = array('week' => $setpos[0], 'day' => join(',', $weekdays));
} else {
// Not standard combination of days
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (using setpos with multiple bydays but not a standard combination of days)");
$match = false;
}
} else {
// Multiple bydays without setpos
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (no bysetpos with multiple bydays)");
$match = false;
}
} else {
// Multiple setpos on monthly byday
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (multiple bysetpos on monthly byday)");
$match = false;
}
}
} else {
// Not a recognised monthly method
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not recognised monthly method)");
$match = false;
}
} elseif ('yearly' === $freq) {
if (empty($by_fields) || isset($fields['bymonthday']) && isset($fields['bymonth'])) {
list($start_date) = $recur->GetStartEnd();
$start_date = new Academic_time($start_date);
if (empty($by_fields)) {
$monthdays = array($start_date->DayOfMonth());
$months = array($start_date->Month());
} else {
$monthdays = $rrule->GetByMonthDay();
$months = $rrule->GetByMonth();
}
if (count($monthdays) === 1 && count($months) === 1) {
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by' && $field !== 'bymonthday' && $field !== 'bymonth') {
$errors[] = array('text' => "Recurrence rule too complicated for basic interface ({$field} detected)");
$match = false;
break;
}
}
if ($match) {
$result['yearly_method'] = 'monthday';
$monthdays_output = array();
$result['yearly_monthday'] = array('monthday' => $monthdays[0], 'month' => $months[0]);
}
} else {
// Not one bymonthday field or bymonth field
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not one bymonthday or bymonth)");
$match = false;
}
} elseif (isset($fields['byday']) && isset($fields['bymonth'])) {
$bydays = $rrule->GetByDay();
$months = $rrule->GetByMonth();
if (count($bydays) === 1 && count($months) === 1) {
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by' && $field !== 'byday' && $field !== 'bymonth') {
$match = false;
break;
}
}
if ($match) {
foreach ($bydays as $day => $weeks) {
if (is_array($weeks) && count($weeks) === 1) {
$actual_weeks = array_keys($weeks);
$result['yearly_method'] = 'weekday';
$result['yearly_weekday'] = array('week' => $actual_weeks[0], 'day' => $day, 'month' => $months[0]);
} else {
// Not one week in byday field
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not one week in byday)");
$match = false;
}
}
}
} else {
// Not one byday field or bymonth field
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not one byday or bymonth)");
$match = false;
}
} elseif (isset($fields['byyearday'])) {
$yeardays = $rrule->GetByYearDay();
if (count($yeardays) === 1) {
foreach ($fields as $field => $dummy) {
if (substr($field, 0, 2) === 'by' && $field !== 'byyearday') {
$errors[] = array('text' => "Recurrence rule too complicated for basic interface ({$field} detected)");
$match = false;
break;
}
}
if ($match) {
$result['yearly_method'] = 'yearday';
$monthdays_output = array();
$result['yearly_yearday'] = array('yearday' => $yeardays[0]);
}
} else {
// Not one byyearday field
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not one byyearday)");
$match = false;
}
} else {
// Not a recognised yearly method
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not recognised yearly method)");
$match = false;
}
} else {
// Not a recognised simple frequency
$errors[] = array('text' => "Recurrence rule too complicated for basic interface (not recognised simple frequency)");
$match = false;
}
if ($match) {
return $result;
} else {
return false;
}
} else {
return false;
}
}