function fn_get_options_combinations_extra($product_id)
{
$combinations = array();
// Take first option
$options_key = array_keys($options);
$variant_number = reset($options_key);
$option_id = $options[$variant_number];
// Remove current option
unset($options[$variant_number]);
// Get combinations for other options
$sub_combinations = !empty($options) ? fn_get_options_combinations($options, $variants) : array();
if (!empty($variants[$variant_number])) {
// run through variants
foreach ($variants[$variant_number] as $variant) {
if (!empty($sub_combinations)) {
// add current variant to each subcombination
foreach ($sub_combinations as $sub_combination) {
$sub_combination[$option_id] = $variant;
$combinations[] = $sub_combination;
}
} else {
$combinations[] = array($option_id => $variant);
}
}
} else {
$combinations = $sub_combinations;
}
return $combinations;
}
protected function generateCombinations($product)
{
$combinations = array();
if (!empty($product['product_options'])) {
$options = $product['product_options'];
$variants = array();
$variant_ids = array_keys($options);
foreach ($variant_ids as $key => $option_id) {
$variants[$key] = array_keys($options[$option_id]['variants']);
}
$combinations_ids = fn_get_options_combinations($variant_ids, $variants);
$combinations = array();
foreach ($combinations_ids as $key => $combination) {
$combinations[$key] = array('product_id' => $product['product_id'], 'product_code' => $product['product_code'], 'combination_hash' => fn_generate_cart_id($product['product_id'], array('product_options' => $combination)), 'combination' => $combination, 'amount' => $product['amount'], 'temp' => 'Y', 'position' => 0, 'image_pairs' => reset($product['images']));
}
}
return $combinations;
}
/**
* Generates product variants combinations
*
* @param int $product_id Product identifier
* @param int $amount Default combination amount
* @param array $options Array of option identifiers
* @param array $variants Array of option variant identifier arrays in the order according to the $options parameter
* @return array Array of combinations
*/
function fn_look_through_variants($product_id, $amount, $options, $variants)
{
/**
* Changes params for getting product variants combinations
*
* @param int $product_id Product identifier
* @param int $amount Default combination amount
* @param array $options Array of options identifiers
* @param array $variants Array of option variants identifiers arrays in order corresponding to $options parameter
* @param array $string Array of combinations values
* @param int $cycle Options and variants key
*/
fn_set_hook('look_through_variants_pre', $product_id, $amount, $options, $variants);
$position = 0;
$hashes = array();
$combinations = fn_get_options_combinations($options, $variants);
if (!empty($combinations)) {
foreach ($combinations as $combination) {
$_data = array();
$_data['product_id'] = $product_id;
$_data['combination_hash'] = fn_generate_cart_id($product_id, array('product_options' => $combination));
if (array_search($_data['combination_hash'], $hashes) === false) {
$hashes[] = $_data['combination_hash'];
$_data['combination'] = fn_get_options_combination($combination);
$_data['position'] = $position++;
$old_data = db_get_row("SELECT combination_hash, amount, product_code " . "FROM ?:product_options_inventory " . "WHERE product_id = ?i AND combination_hash = ?i AND temp = 'Y'", $product_id, $_data['combination_hash']);
$_data['amount'] = isset($old_data['amount']) ? $old_data['amount'] : $amount;
$_data['product_code'] = isset($old_data['product_code']) ? $old_data['product_code'] : '';
/**
* Changes data before update combination
*
* @param array $combination Array of combination data
* @param array $data Combination data to update
* @param int $product_id Product identifier
* @param int $amount Default combination amount
* @param array $options Array of options identifiers
* @param array $variants Array of option variants identifiers arrays in order corresponding to $options parameter
*/
fn_set_hook('look_through_variants_update_combination', $combination, $_data, $product_id, $amount, $options, $variants);
db_query("REPLACE INTO ?:product_options_inventory ?e", $_data);
$combinations[] = $combination;
}
echo str_repeat('. ', count($combination));
}
}
/**
* Changes the product options combinations
*
* @param array $combination Array of combinations
* @param int $product_id Product identifier
* @param int $amount Default combination amount
* @param array $options Array of options identifiers
* @param array $variants Array of option variants identifiers arrays in order corresponding to $options parameter
*/
fn_set_hook('look_through_variants_post', $combinations, $product_id, $amount, $options, $variants);
return $combinations;
}
