/**
* Default Function
*
* @access public
* @param string
* @return void
*/
public function index()
{
$products = $this->input->post('products');
//if products is an array
if ($products !== FALSE && is_array($products)) {
foreach ($products as $products_id => $quantity) {
//get variants from product id string
$variants = parse_variants_from_id_string($products_id);
//update shopping cart
$this->shopping_cart->add($products_id, $variants, $quantity, 'update');
}
}
redirect('checkout/shopping_cart');
}
/**
* Add product to shopping cart
*
* @param string $products_id_string
* @param array $variants
* @param int $quantity
* @param stirng $action
*/
function add($products_id_string, $variants = NULL, $quantity = NULL, $action = 'add')
{
//load product object
$product = load_product_library($products_id_string);
if ($product->is_valid()) {
//if product has variants and variants is not given
if ($product->has_variants() && $variants == NULL) {
$variant = $product->get_default_variant();
$variants = parse_variants_from_id_string($variant['product_id_string']);
}
//get products id string
$products_id_string = get_product_id_string($products_id_string, $variants);
//if product already exists in shopping cart
if ($this->exists($products_id_string)) {
$old_quantity = $this->get_quantity($products_id_string);
//if quantity is not specified
if (!is_numeric($quantity)) {
$quantity = $this->get_quantity($products_id_string) + 1;
} else {
if (is_numeric($quantity) && $quantity == 0) {
$this->remove($products_id_string);
return;
} else {
if ($action == 'add') {
$quantity = $this->get_quantity($products_id_string) + $quantity;
}
}
}
//check minimum order quantity
$products_moq = $product->get_moq();
if ($quantity < $products_moq) {
$quantity = $products_moq;
$error = sprintf(lang('error_minimum_order_quantity'), $product->get_title(), $products_moq);
}
//check maximum order quantity
$products_max_order_quantity = $product->get_max_order_quantity();
if ($products_max_order_quantity > 0) {
if ($quantity > $products_max_order_quantity) {
$quantity = $products_max_order_quantity;
$error = sprintf(lang('error_maximum_order_quantity'), $product->get_title(), $products_max_order_quantity);
}
}
//check order increment
$increment = $product->get_order_increment();
if (($quantity - $products_moq) % $increment != 0) {
$quantity = $products_moq + (floor(($quantity - $products_moq) / $increment) + 1) * $increment;
$error = sprintf(lang('error_order_increment'), $product->get_title(), $increment);
}
//set error to session
if (isset($error) && !empty($error)) {
$this->contents[$products_id_string]['error'] = $error;
}
$price = $product->get_price($variants, $quantity);
//specials
$this->contents[$products_id_string]['quantity'] = $quantity;
$this->contents[$products_id_string]['price'] = $price;
$this->contents[$products_id_string]['final_price'] = $price;
// update database
if ($this->ci->customer->is_logged_on()) {
$this->ci->shopping_cart_model->update_content($this->ci->customer->get_id(), $products_id_string, $quantity);
}
} else {
if (!is_numeric($quantity)) {
$quantity = 1;
}
//check minimum order quantity
$products_moq = $product->get_moq();
if ($quantity < $products_moq) {
$quantity = $products_moq;
$error = sprintf(lang('error_minimum_order_quantity'), $product->get_title(), $products_moq);
}
//check order increment
$increment = $product->get_order_increment();
if (($quantity - $products_moq) % $increment != 0) {
$quantity = $products_moq + (floor(($quantity - $products_moq) / $increment) + 1) * $increment;
$error = sprintf(lang('error_order_increment'), $product->get_title(), $increment);
}
$price = $product->get_price($variants, $quantity);
$this->contents[$products_id_string] = array('id' => $products_id_string, 'name' => $product->get_title(), 'type' => $product->get_product_type(), 'keyword' => $product->get_keyword(), 'sku' => $product->get_sku($variants), 'image' => $product->get_image(), 'price' => $price, 'final_price' => $price, 'quantity' => $quantity, 'weight' => $product->get_weight($variants), 'tax_class_id' => $product->get_tax_class_id(), 'date_added' => get_date_short(get_date_now()), 'weight_class_id' => $product->get_weight_class());
//set in stock status
$this->contents[$products_id_string]['in_stock'] = $this->is_in_stock($products_id_string);
//set error to session
if (isset($error) && !empty($error)) {
$this->contents[$products_id_string]['error'] = $error;
}
// insert into database
if ($this->ci->customer->is_logged_on()) {
$this->ci->shopping_cart_model->insert_content($this->ci->customer->get_id(), $products_id_string, $quantity, $price);
}
if (is_array($variants) && !empty($variants)) {
$variants_array = $product->get_variants();
$products_variants_id_string = get_product_id_string($products_id_string, $variants);
$products_variants_id = $variants_array[$products_variants_id_string]['variants_id'];
$this->contents[$products_id_string]['products_variants_id'] = $products_variants_id;
if (isset($variants_array[$products_variants_id_string]['filename']) && !empty($variants_array[$products_variants_id_string]['filename'])) {
$this->contents[$products_id_string]['variant_filename'] = $variants_array[$products_variants_id_string]['filename'];
$this->contents[$products_id_string]['variant_cache_filename'] = $variants_array[$products_variants_id_string]['cache_filename'];
}
foreach ($variants as $group_id => $value_id) {
$names = $this->ci->products_model->get_product_variant_group_and_value_name($product->get_id(), $group_id, $value_id);
$this->contents[$products_id_string]['variants'][$group_id] = array('groups_id' => $group_id, 'variants_values_id' => $value_id, 'groups_name' => $names['products_variants_groups_name'], 'values_name' => $names['products_variants_values_name']);
}
}
}
$this->clean_up();
$this->calculate();
}
}
