function recipe_validate in Recipe 5

Same name and namespace in other branches

1. 6 recipe.module \recipe_validate()
2. 7.2 recipe.module \recipe_validate()
3. 7 recipe.module \recipe_validate()

Implementation of hook_validate().

Errors should be signaled with form_set_error().

File

./recipe.module, line 937

recipe.module - share recipes for drupal 5.x

Code

function recipe_validate(&$node) {
  if (!$node->ingredients) {
    return;
  }
  $ingredients = array();
  foreach ($node->ingredients as $key => $ingredient) {
    $ingredient = (object) $ingredient;
    if (!isset($ingredient->quantity)) {
      $ingredient = recipe_parse_ingredient_string($ingredient->name);
    }
    if ($ingredient->name && _in_array($ingredient, $ingredients)) {
      form_set_error("recipe", t('Duplicate ingredients are not allowed.'));
    }
    else {
      $ingredients[] = $ingredient;
    }
    $node->ingredients[$key] = $ingredient;
  }
}