public function field_validation_unique_values_validator::validate in Field Validation 7.2

Validate field.

Overrides field_validation_validator::validate

File

plugins/validator/field_validation_unique_values_validator.inc, line 21

Class

field_validation_unique_values_validator

Code

public function validate() {
  $flag = FALSE;
  $group_name = $this->rule->settings['data'];
  $field_values = $this
    ->get_field_column_value1($this->items, $this->rule->col);
  foreach ($field_values as $delta => $value) {
    if ($value && $value == $this->value && $delta < $this->delta) {
      $flag = TRUE;
    }
  }
  if (!$flag) {
    ctools_include('export');
    $other_group_rules = ctools_export_load_object('field_validation_rule', 'conditions', array(
      'entity_type' => $this->rule->entity_type,
      'bundle' => $this->rule->bundle,
      'validator' => $this->rule->validator,
    ));
    foreach ($other_group_rules as $other_group_rule) {

      // Skip when do not have the same group name, rule is disabled, equal to current rule.
      if ($other_group_rule->settings['data'] != $group_name || !empty($other_group_rule->disabled) || $other_group_rule->name == $this->rule->name) {
        continue;
      }
      if (isset($this->entity->{$other_group_rule->field_name}[$this->langcode])) {
        $other_items = $this->entity->{$other_group_rule->field_name}[$this->langcode];
        $other_field_values = $this
          ->get_field_column_value1($other_items, $other_group_rule->col);
        $total_field_values = array_merge($field_values, $other_field_values);
        $duplicate_values = array_unique(array_diff_assoc($total_field_values, array_unique($total_field_values)));
        if (in_array($this->value, $duplicate_values)) {
          $flag = TRUE;
          break;
        }
      }
    }
  }
  if ($flag) {
    $this
      ->set_error();
  }
  $break = FALSE;
  return $break;
}