function farm_livestock_birth_form_validate in farmOS 7

Validate callback for birth quick form.

File

modules/farm/farm_livestock/farm_livestock.farm_quick.birth.inc, line 190

Farm livestock birth quick form.

Code

function farm_livestock_birth_form_validate($form, &$form_state) {

  // Validate mother and father.
  $parents = array(
    'mother',
    'father',
  );
  foreach ($parents as $parent) {
    if (!empty($form_state['values']['birth'][$parent])) {

      // Extract asset ID.
      $id = 0;
      $matches = array();
      $result = preg_match('/\\[id: ([0-9]+)\\]/', $form_state['values']['birth'][$parent], $matches);
      if (!empty($matches[$result])) {
        $id = $matches[$result];
      }

      // If an ID couldn't be extracted, throw an error.
      if (empty($id)) {
        form_set_error('birth][' . $parent, t('Could not load the @parent animal record. Make sure the animal asset ID is included. For example: "My animal [id: 123]"', array(
          '@parent' => $parent,
        )));
        continue;
      }

      // Load the asset.
      $asset = farm_asset_load($id);

      // If the asset didn't load, throw an error.
      if (empty($asset)) {
        form_set_error('birth][' . $parent, t('Could not load the @parent animal record. Make sure the animal name and ID are correct.', array(
          '@parent' => $parent,
        )));
        continue;
      }

      // Save the asset to the form state.
      $form_state['storage'][$parent] = $asset;
    }
  }

  // If both a mother and a father are specified, make sure they're different.
  if (!empty($form_state['storage']['mother']) && !empty($form_state['storage']['father'])) {
    if ($form_state['storage']['mother']->id == $form_state['storage']['father']->id) {
      unset($form_state['storage']['father']);
      form_set_error('birth][father', t('The mother and father cannot be the same animal.'));
    }
  }

  // Iterate through the children.
  foreach ($form_state['values']['birth']['child'] as $i => $child) {

    // Make sure that either the name or tag ID is filled in.
    if (empty($child['name']) && empty($child['tag_id'])) {
      form_set_error('birth][child][' . $i . '][name', t('The child must have a name or tag ID.'));
    }
  }
}