eventrepeat_nodeapi
Definition
eventrepeat_nodeapi(&$node, $op)
eventrepeat/eventrepeat.module, line 530
Description
hook_nodeapi implementation
Parameters
&$node The node the action is being performed on.
$op What kind of action is being performed.
Return value
This varies depending on the operation.
Related topics
Name | Description |
|---|---|
| Functions for nodeapi integration |
Code
<?php
function eventrepeat_nodeapi(&$node, $op) {
// only continue if this node is event and event_repeat enabled
if (variable_get('event_nodeapi_'. $node->type, 'never') == 'never' &&
variable_get('eventrepeat_nodeapi_'. $node->type, 0) == 0) {
return;
}
//this holds the old start time of an event, for use in mass updates
static $old_times;
//for all ops except settings, make sure that the node is event & eventrepeat enabled before executing
switch ($op) {
case 'validate':
// no break. both need a node with a formatted date and event_start
// and event_end set, 'validate' for the previewing and 'submit' for
// update/insert.
case 'submit':
// TODO: what if the user wants to "turn off" the repeating event
// the user is trying to turn off repeating events for all future events
if (($node->eventrepeat_FREQ == '' || $node->eventrepeat_FREQ == 'NONE') && ($node->eventrepeat_edit_type == 'future' || $node->eventrepeat_edit_type == 'all')) {
form_set_error('eventrepeat_FREQ', t('Trying to remove a repeat setting from a repeating event is not currently supported. Please try deleting the events you don\'t want instead.'));
}
//validate the repeat end date
_eventrepeat_validate_form_date('eventrepeat_end', t('Repeat end'), $node);
// TODO: this would cause an odd error if the person wanted
// to remove the repeating sequence so I removed it for now.
//if they have some repeat options chosen,
// make sure a repeat type is selected
/*
if ($node->eventrepeat_FREQ == 'NONE' &&
($node->eventrepeat_COUNT
|| $node->eventrepeat_INTERVAL > 1
|| $node->eventrepeat_BYDAY
|| $node->eventrepeat_BYWEEKNO
|| $node->eventrepeat_BYMONTH
|| $node->eventrepeat_BYMONTHDAY
|| $node->eventrepeat_BYYEARDAY
|| $node->eventrepeat_EXDATE)
) {
form_set_error('eventrepeat_FREQ', t('You must select a Repeat Type if you want this event to repeat.'));
}
*/
//warn if user entered values for both repeat end and COUNT
if ($node->eventrepeat_end && $node->eventrepeat_COUNT) {
form_set_error('eventrepeat_end', t('\'Repeat end date\' and \'Count\' cannot both be set--select only one to provide a valid end point for the sequence'));
}
// TODO: if this is unsupported, can we just use end date after the initial render?
//warn if user tries to edit a sequence based on COUNT--this is currently not supported
if ($node->eventrepeat_rid && $node->eventrepeat_COUNT) {
form_set_error('eventrepeat_COUNT', t('Editing a sequence which uses the \'Count\' parameter is not currently supported. You may need to delete this event.'));
}
break;
case 'delete':
static $mass_delete;
global $form_values;
//determine what kind of delete we're doing here. check $form_values to see if it's a mass delete
//and mark it as such if so. otherwise just delete the node from the detail table
if ($form_values['eventrepeat_delete_type'][$node->nid] &&
$form_values['eventrepeat_delete_type'][$node->nid] != 'this') {
$mass_delete = TRUE;
_eventrepeat_delete_nodes($form_values['eventrepeat_delete_type'][$node->nid], $node);
//this line necessary to clean up mods after eventrepeat
node_invoke_nodeapi($node, 'delete');
} else {
db_query("DELETE FROM {event_repeat_nodes} WHERE nid = %d", $node->nid);
//if not a mass delete, check to see if this is the last repeat event in this sequence. if so, then
//delete the sequence
if (!$mass_delete) {
if (!db_num_rows(db_query('SELECT rid FROM {event_repeat_nodes} WHERE rid = %d', $node->eventrepeat_rid))) {
db_query("DELETE FROM {event_repeat} WHERE rid = %d", $node->eventrepeat_rid);
}
}
}
break;
// TODO: is this legacy now? deletions seem to work fine
/*
THIS SECTION IS ON HOLD UNTIL DELETE PRE IS IN CORE
case 'delete pre':
//also check here to see if the node is part of a repeat sequence
if (variable_get('event_nodeapi_'. $node->type, 'never') != 'never' &&
(variable_get('eventrepeat_nodeapi_'. $node->type, 0) == 1) && $node->eventrepeat_rid) {
//create the option array
$options = array('this' => t('This occurrence only'),
'future' => t('This occurrence and all future occurrences'),
'all' => t('All occurrences')
);
//construct the radio buttons. NOTE: in order to prevent name collisions in the admin
//delete process for multiple nodes, these form elements are named in array fashion, with nid to distinguish
//the elements of the array
$data_to_inject['eventrepeat_delete_type']['#tree'] = TRUE;
$data_to_inject['eventrepeat_delete_type'][$node->nid] = array('#type' => 'radios', '#title' => t('Repeat event--delete the following'), '#default_value' => 'this', '#options' => $options, '#description' => t('\'This occurrence and all future occurrences\' will delete repeat events from the date of the selected node forward, \'All occurrences\' will delete repeat events after today\'s date.'));
return $data_to_inject;
}
break;*/
case 'load':
if (variable_get('event_nodeapi_'. $node->type, 'never') != 'never') {
//if the old start time hasn't been saved to the update code yet, then save it. this is a total hack,
//but i don't know any other way to do it
if (!$old_times && $_POST['op'] == t('Submit')) {
$old_times = db_query('SELECT e.event_start, e.event_end, e.timezone FROM {event} e WHERE e.nid = %d', $node->nid);
if (db_num_rows($old_times)) {
$old_times = db_fetch_object($old_times);
$old_times->eventrepeat_old_times = TRUE;
_eventrepeat_update_nodes($old_times, NULL);
}
}
//if it's a repeat node, grab the repeat data for the node
if (variable_get('eventrepeat_nodeapi_'. $node->type, 0) == 1) {
$object = db_fetch_object(db_query('SELECT e_r.rid, repeat_RRULE, repeat_end
FROM {event_repeat} e_r INNER JOIN {event_repeat_nodes} e_r_n ON
e_r.rid = e_r_n.rid WHERE e_r_n.nid = %d', $node->nid));
//if this node is in a repeat sequence, parse the RRULE, and return repeat data to the node
if ($object->rid) {
//append the repeat tag to the title if it's an event page
if (arg(0) == 'event') {
$node->title = theme("eventrepeat_title_tag", $node->title);
}
$items = _eventrepeat_parse_ical($object->repeat_RRULE);
return array('eventrepeat_rid' => $object->rid,
'eventrepeat_FREQ' => $items[0]['FREQ'],
'eventrepeat_COUNT' => $items[0]['COUNT'],
'eventrepeat_INTERVAL' => $items[0]['INTERVAL'],
'eventrepeat_BYDAY' => $items[0]['BYDAY'],
'eventrepeat_BYWEEKNO' => $items[0]['BYWEEKNO'],
'eventrepeat_BYMONTH' => $items[0]['BYMONTH'],
'eventrepeat_BYMONTHDAY' => $items[0]['BYMONTHDAY'],
'eventrepeat_BYYEARDAY' => $items[0]['BYYEARDAY'],
'eventrepeat_EXDATE' => $items[0]['EXDATE'],
'eventrepeat_end' => $object->repeat_end, // placeholder in case the end date processing changes
'eventrepeat_endyear' => $object->repeat_end ? _event_date('Y', $object->repeat_end) : 0,
'eventrepeat_endmonth' => $object->repeat_end ? _event_date('n', $object->repeat_end) : 0,
'eventrepeat_endday' => $object->repeat_end ? _event_date('d', $object->repeat_end) : 0
);
}
}
}
break;
case 'insert':
// add a new exception to the list if needed
_eventrepeat_form_add_exception($node);
// if this node has eventrepeat_FREQ info
// remember that we strip this for new instances
// in _eventrepeat_render_nodes
if($node->eventrepeat_FREQ != '' && $node->eventrepeat_FREQ != 'NONE'){
_eventrepeat_save_repeat($node);
}
break;
case 'update':
//setting a static indicator here--this case will more than likely get called
//multiple times as nodes are updated, but we only want the repeat update
//itself to run once per page load.
static $update_run = NULL;
if (!isset($update_run)) {
$update_run = TRUE;
// add a new exception to the list if needed
_eventrepeat_form_add_exception($node);
//determine what kind of update we're doing here. it's either all (from current date
//forward), future (current node and all future nodes) or just an individual node update
//pass all and future to the mass edit code
if ($node->eventrepeat_edit_type == 'future') {
//we have to update the existing nodes first before we update the repeat pattern
//only update the repeat pattern if the node update was successful.
if (_eventrepeat_update_nodes($node, $node->event_start) === TRUE) {
_eventrepeat_save_repeat($node);
}
}
elseif ($node->eventrepeat_edit_type == 'all') {
//we have to update the existing nodes first before we update the repeat pattern
//only update the repeat pattern if the node update was successful.
if (_eventrepeat_update_nodes($node, time()) === TRUE) {
_eventrepeat_save_repeat($node);
}
}
elseif ($node->eventrepeat_edit_type == 'this') {
//if it's an individual edit, and admin has selected that they are to be removed from sequences,
//then delete from detail table
if (!variable_get('eventrepeat_single_edit_in_sequence', FALSE)) {
db_query("DELETE FROM {event_repeat_nodes} WHERE nid = %d", $node->nid);
}
}
// the user is turning a non-repeat event into a repeat event
elseif(($node->eventrepeat_FREQ != '' && $node->eventrepeat_FREQ != 'NONE') && !$node->eventrepeat_rid){
_eventrepeat_save_repeat($node);
}
}
break;
case 'view':
break;
}
}
?>