/**
* Call variation creation function with a list of defined variation
*
* @param array $possible_variations A list of variation to create for the current element
* @param integer $element_id The product we want to create variation for
*
* @return mixed The last created variation identifier
*/
public static function creation_variation_callback($possible_variations, $element_id)
{
/** Get existing variation */
$existing_variations_in_db = wpshop_products::get_variation($element_id);
$existing_variations = array();
if (!empty($existing_variations_in_db)) {
foreach ($existing_variations_in_db as $variations_def) {
$existing_variations[] = $variations_def['variation_def'];
}
}
/** New variation definition */
$attribute_defining_variation = get_post_meta($element_id, '_wpshop_variation_defining', true);
/** Read possible values */
foreach ($possible_variations as $variation_definition) {
if (in_array($variation_definition, $existing_variations)) {
continue;
}
$attribute_to_set = array();
foreach ($variation_definition as $attribute_code => $attribute_selected_value) {
$attribute = wpshop_attributes::getElement($attribute_code, "'valid'", 'code');
$attribute_to_set[$attribute->data_type][$attribute_code] = $attribute_selected_value;
if (empty($attribute_defining_variation['attributes']) || !in_array($attribute_code, $attribute_defining_variation['attributes'])) {
$attribute_defining_variation['attributes'][] = $attribute_code;
}
}
$variation_id = wpshop_products::create_variation($element_id, $attribute_to_set);
}
update_post_meta($element_id, '_wpshop_variation_defining', $attribute_defining_variation);
return !empty($variation_id) ? $variation_id : 0;
}
