function _resource_conflict_get_timespans in Resource Conflict 7.3

Load an array of start/end times for the RC enabled date field on the node.

1 call to _resource_conflict_get_timespans()

_resource_conflict_get_conflicting_nids in ./resource_conflict.module

Check a node for conflicts.

File

./resource_conflict.module, line 61

Provides general functionality for the resource conflict module.

Code

function _resource_conflict_get_timespans($node) {
  $time_spans = array();
  $date_field = variable_get('rc_date_field_' . $node->type, FALSE);
  if (!$date_field) {
    return array();
  }
  $start_buffer = variable_get('rc_conflict_buffer_start_' . $node->type, '');
  $end_buffer = variable_get('rc_conflict_buffer_end_' . $node->type, '');
  $date_field_info = field_info_field($date_field);
  $date_format = date_type_format($date_field_info['type']);
  $date_items = field_get_items('node', $node, $date_field);
  if (!$date_items) {
    return array();
  }

  // Date repeat fields may have multiple values, so we iterate over each.
  foreach ($date_items as $single_repetition_date) {

    // Avoid the "Add another item" element that is added for date repeat
    // fields.
    if (!is_array($single_repetition_date)) {
      continue;
    }
    $start = $single_repetition_date['value'];
    $end = $single_repetition_date['value2'];

    // Skip unless the user filled in a start and end date.
    if (empty($start) || empty($end)) {
      continue;
    }
    if (!empty($start_buffer)) {
      $dateobj = DateObject::createFromFormat($date_format, $start);
      if ($dateobj
        ->modify($start_buffer)) {
        $start = $dateobj
          ->format($date_format);
      }
    }
    if (!empty($end_buffer)) {
      $dateobj = DateObject::createFromFormat($date_format, $end);
      if ($dateobj
        ->modify($end_buffer)) {
        $end = $dateobj
          ->format($date_format);
      }
    }

    // Unix stamps should be interpreted as integers, but field_get_items pulls
    // them out as strings. We need to cast back to int or our database
    // comparisons fail.
    if ($date_format == DATE_FORMAT_UNIX) {
      $start = (int) $start;
      $end = (int) $end;
    }
    $time_spans[] = array(
      'start' => $start,
      'end' => $end,
    );
  }
  return $time_spans;
}