/**
* Model definition.
*/
function define()
{
$this->auto_increment_start = 10000;
// Fields.
$this->fields = array('id', 'items', 'order', 'coupon_code', 'discounts', 'taxes', 'order_id', 'account_id', 'session_id', 'date_created', 'date_updated', 'items' => function ($cart) {
return get("/products", array(':with' => $cart['items']));
}, 'account' => function ($cart) {
return get("/accounts/{$cart['account_id']}");
}, 'shipping_methods' => function ($cart) {
return Carts::get_shipping_methods($cart);
}, 'taxes' => function ($cart) {
return Carts::get_taxes($cart);
}, 'sub_total' => function ($cart) {
return Carts::get_sub_total($cart);
}, 'sub_discount' => function ($cart) {
return Carts::get_sub_total($cart, array('discount' => true));
}, 'shipping_total' => function ($cart) {
return Carts::get_shipping_total($cart);
}, 'shipping_discount' => function ($cart) {
return Carts::get_shipping_total($cart, array('discount' => true));
}, 'tax_total' => function ($cart) {
return Carts::get_tax_total($cart);
}, 'discount_total' => function ($cart) {
return Carts::get_discount_total($cart);
}, 'grand_total' => function ($cart) {
return Carts::get_grand_total($cart);
}, 'credit_total' => function ($cart) {
return Carts::get_credit_total($cart);
}, 'billing_total' => function ($cart) {
return Carts::get_billing_total($cart);
}, 'product_cost' => function ($cart) {
return Carts::get_sub_total($cart, array('cost' => true));
}, 'quantity' => function ($cart) {
return Carts::get_quantity($cart);
}, 'weight' => function ($cart) {
return Carts::get_weight($cart);
}, 'abandoned' => function ($cart) {
return Carts::abandoned($cart);
});
// Search fields.
$this->search_fields = array('id', 'order.name', 'order.email');
// Indexes.
$this->indexes = array('id' => 'unique');
// Validate.
$this->validate = array('order', ':items' => array('required' => array('id', 'price', 'quantity')));
// Cart item quantity limit.
$this->item_quantity_limit = 99999999;
// Event binds.
$this->binds = array('GET' => function ($event) {
$data =& $event['data'];
// Reset cart session?
if ($data[':reset']) {
$data['items'] = null;
$data['order'] = null;
$data['discounts'] = null;
return put("/carts/{$event['id']}", $data);
}
}, 'POST' => function ($event) {
$data =& $event['data'];
// Post item into cart (shortcut to POST.items)
if ($event['id'] && $data['item']) {
post("/carts/{$event['id']}/items", $data['item']);
return get("/carts/{$event['id']}");
}
}, 'POST.items' => function ($event) {
$data =& $event['data'];
// Filter the item for update.
$data = array_pop(Orders::get_items_for_update(array($data)));
if ($cart = get("/carts/{$event['id']}")) {
$product = get("/products/{$data['id']}", array('pricing' => array('roles' => $cart['account']['roles'], 'quantity' => $data['quantity'] ?: 1)));
// Item has options?
if ($data['options']) {
foreach ((array) $data['options'] as $key => $option) {
if (is_scalar($option)) {
$data['options'][$key] = $option = array('name' => $option);
}
// Matches product option?
if (is_array($product['options']) && is_array($product['options'][$key])) {
$data['options'][$key]['name'] = $option['name'] ?: $product['options'][$key]['name'];
$data['options'][$key]['price'] = $option['price'] ?: $product['options'][$key]['price'];
}
}
}
// Item variant?
if ($product['variants']) {
$vid = $data['variant_id'];
if ($variant = $product['variants'][$vid]) {
$data['variant'] = $variant;
$data['price'] = $data['price'] ?: $variant['price'];
} else {
// Variant not found.
$model->error('not found', 'variant_id');
}
} else {
$data['variant'] = null;
$data['variant_id'] = null;
}
// Prevent two of the same item in cart.
foreach ((array) $cart['items'] as $key => $item) {
// Exists in cart?
if ($data['id'] == $item['id'] && $data['options'] == $item['options'] && $data['variant'] == $item['variant']) {
// Update quantity.
$item['quantity'] += $data['quantity'];
return put("{$cart}/items/{$key}", $item);
}
}
}
// Defaults.
$data['price'] = $data['price'] ?: $product['price'];
$data['quantity'] = round($data['quantity'] ?: 1);
}, 'PUT.items' => function ($event, $model) {
$data =& $event['data'];
// Defaults.
if (isset($data['quantity'])) {
$data['quantity'] = round($data['quantity'] ?: 1);
// Upper limit on item quantity.
if ($data['quantity'] > $model->item_quantity_limit) {
$data['quantity'] = $model->item_quantity_limit;
}
}
}, 'PUT' => function ($event, $model) {
$data =& $event['data'];
// Cart already exists?
if ($data && ($cart = get("/carts/{$event['id']}"))) {
// Update items collection?
if ($data['items']) {
$cart_items = $cart['items'];
foreach ((array) $data['items'] as $item_id => $item) {
// Update existing item quantity.
if (isset($item['quantity']) && $cart_items[$item_id]) {
$cart_items[$item_id]['quantity'] = round($item['quantity']);
// Upper limit on item quantity.
if ($cart_items[$item_id]['quantity'] > $model->item_quantity_limit) {
$cart_items[$item_id]['quantity'] = $model->item_quantity_limit;
}
// Check product for pricing update?
$product = get("/products/{$cart_items[$item_id]['id']}", array('pricing' => array('roles' => $cart['account']['roles'], 'quantity' => $cart_items[$item_id]['quantity'] ?: 1)));
// Update pricing?
if ($product['pricing']) {
$cart_items[$item_id]['price'] = $product['price'];
}
}
// Remove item?
if ($data['items'][$item_id]['quantity'] <= 0) {
unset($cart_items[$item_id]);
}
}
$data['items'] = $cart_items;
}
// Removed coupon code?
if (isset($data['coupon_code']) && !$data['coupon_code']) {
// Remove coupon.
$data['discounts'] = $cart['discounts'];
unset($data['discounts']['coupon']);
} elseif ($data['coupon_code'] && $data['coupon_code'] != $cart['discount']['coupon']['code']) {
$discount = get("/discounts", array('code' => $data['coupon_code'], 'is_valid' => true));
if ($discount === false) {
$model->error('already used', 'coupon_code');
} else {
if (!$discount) {
$model->error('invalid', 'coupon_code');
}
}
// Remember code.
$data['coupon_code'] = $discount['code'];
// Update items from coupon.
foreach ((array) $discount['rules'] as $rule) {
if ($rule['add'] && $rule['product_id']) {
// Exists in cart?
$exists = false;
foreach ((array) $cart['items'] as $item_id => $item) {
if ($item['id'] == $rule['product_id']) {
$exists = $item_id;
break;
}
}
// Update item quantity?
if ($exists) {
put("{$cart}/items/{$exists}", array('quantity' => $rule['quantity']));
} else {
// Post new item to cart.
post("{$cart}/items", array('id' => $rule['product_id'], 'quantity' => $rule['quantity']));
}
}
}
$data['discounts'] = $cart['discounts'];
$data['discounts']['coupon'] = $discount;
} else {
// Don't update coupon code directly.
unset($data['coupon_code']);
}
// Extra discount updates.
if ($data['discounts']) {
foreach ((array) $data['discounts'] as $did => $discount) {
// Unset some discount details.
unset($data['discounts'][$did]['codes']);
unset($data['discounts'][$did]['codes_used']);
unset($data['discounts'][$did]['code_history']);
unset($data['discounts'][$did]['conditions']);
}
}
// Update order data? Merge.
if (isset($data['order']) && is_array($cart['order'])) {
if ($data['order']) {
if ($data['order']['shipping']) {
$data['order']['shipping'] = array_merge((array) $cart['order']['shipping'], (array) $data['order']['shipping']);
}
$data['order'] = $cart['order'] = array_merge($cart['order'], (array) $data['order']);
}
}
// Update shipping total?
if ($data['order'] || $data['items']) {
// @TODO: Make sure we don't need this.
//$data['shipping_total'] = Carts::get_shipping_total($cart);
}
// Use credit?
if ($data['credit_total']) {
// Validate.
$data['credit_total'] = Carts::get_credit_total(merge($cart, $data));
}
}
}, 'validate:order' => function ($order, $field, $params, $model) {
// Validate with orders collection.
$order[':validate'] = true;
$result = get("/orders", $order);
// Apply errors to cart model?
foreach ((array) $result['errors'] as $field => $error) {
$model->error($error, 'order', $field);
}
});
}
