/** * 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); } }); }