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@NateJLewis
Created May 14, 2015 23:46
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OpenCart - Cart Lib
<?php
class Cart {
private $config;
private $db;
private $data = array();
public function __construct($registry) {
$this->config = $registry->get('config');
$this->customer = $registry->get('customer');
$this->session = $registry->get('session');
$this->db = $registry->get('db');
$this->tax = $registry->get('tax');
$this->weight = $registry->get('weight');
if (!isset($this->session->data['cart']) || !is_array($this->session->data['cart'])) {
$this->session->data['cart'] = array();
}
}
public function getProducts() {
if (!$this->data) {
foreach ($this->session->data['cart'] as $key => $quantity) {
$product = unserialize(base64_decode($key));
$product_id = $product['product_id'];
$stock = true;
// Options
if (!empty($product['option'])) {
$options = $product['option'];
} else {
$options = array();
}
// Profile
if (!empty($product['recurring_id'])) {
$recurring_id = $product['recurring_id'];
} else {
$recurring_id = 0;
}
$product_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product p LEFT JOIN " . DB_PREFIX . "product_description pd ON (p.product_id = pd.product_id) WHERE p.product_id = '" . (int)$product_id . "' AND pd.language_id = '" . (int)$this->config->get('config_language_id') . "' AND p.date_available <= NOW() AND p.status = '1'");
if ($product_query->num_rows) {
$option_price = 0;
$option_points = 0;
$option_weight = 0;
$option_data = array();
foreach ($options as $product_option_id => $value) {
$option_query = $this->db->query("SELECT po.product_option_id, po.option_id, od.name, o.type FROM " . DB_PREFIX . "product_option po LEFT JOIN `" . DB_PREFIX . "option` o ON (po.option_id = o.option_id) LEFT JOIN " . DB_PREFIX . "option_description od ON (o.option_id = od.option_id) WHERE po.product_option_id = '" . (int)$product_option_id . "' AND po.product_id = '" . (int)$product_id . "' AND od.language_id = '" . (int)$this->config->get('config_language_id') . "'");
if ($option_query->num_rows) {
if ($option_query->row['type'] == 'select' || $option_query->row['type'] == 'radio' || $option_query->row['type'] == 'image') {
$option_value_query = $this->db->query("SELECT pov.option_value_id, ovd.name, pov.quantity, pov.subtract, pov.price, pov.price_prefix, pov.points, pov.points_prefix, pov.weight, pov.weight_prefix FROM " . DB_PREFIX . "product_option_value pov LEFT JOIN " . DB_PREFIX . "option_value ov ON (pov.option_value_id = ov.option_value_id) LEFT JOIN " . DB_PREFIX . "option_value_description ovd ON (ov.option_value_id = ovd.option_value_id) WHERE pov.product_option_value_id = '" . (int)$value . "' AND pov.product_option_id = '" . (int)$product_option_id . "' AND ovd.language_id = '" . (int)$this->config->get('config_language_id') . "'");
if ($option_value_query->num_rows) {
if ($option_value_query->row['price_prefix'] == '+') {
$option_price += $option_value_query->row['price'];
} elseif ($option_value_query->row['price_prefix'] == '-') {
$option_price -= $option_value_query->row['price'];
}
if ($option_value_query->row['points_prefix'] == '+') {
$option_points += $option_value_query->row['points'];
} elseif ($option_value_query->row['points_prefix'] == '-') {
$option_points -= $option_value_query->row['points'];
}
if ($option_value_query->row['weight_prefix'] == '+') {
$option_weight += $option_value_query->row['weight'];
} elseif ($option_value_query->row['weight_prefix'] == '-') {
$option_weight -= $option_value_query->row['weight'];
}
if ($option_value_query->row['subtract'] && (!$option_value_query->row['quantity'] || ($option_value_query->row['quantity'] < $quantity))) {
$stock = false;
}
$option_data[] = array(
'product_option_id' => $product_option_id,
'product_option_value_id' => $value,
'option_id' => $option_query->row['option_id'],
'option_value_id' => $option_value_query->row['option_value_id'],
'name' => $option_query->row['name'],
'value' => $option_value_query->row['name'],
'type' => $option_query->row['type'],
'quantity' => $option_value_query->row['quantity'],
'subtract' => $option_value_query->row['subtract'],
'price' => $option_value_query->row['price'],
'price_prefix' => $option_value_query->row['price_prefix'],
'points' => $option_value_query->row['points'],
'points_prefix' => $option_value_query->row['points_prefix'],
'weight' => $option_value_query->row['weight'],
'weight_prefix' => $option_value_query->row['weight_prefix']
);
}
} elseif ($option_query->row['type'] == 'checkbox' && is_array($value)) {
foreach ($value as $product_option_value_id) {
$option_value_query = $this->db->query("SELECT pov.option_value_id, ovd.name, pov.quantity, pov.subtract, pov.price, pov.price_prefix, pov.points, pov.points_prefix, pov.weight, pov.weight_prefix FROM " . DB_PREFIX . "product_option_value pov LEFT JOIN " . DB_PREFIX . "option_value ov ON (pov.option_value_id = ov.option_value_id) LEFT JOIN " . DB_PREFIX . "option_value_description ovd ON (ov.option_value_id = ovd.option_value_id) WHERE pov.product_option_value_id = '" . (int)$product_option_value_id . "' AND pov.product_option_id = '" . (int)$product_option_id . "' AND ovd.language_id = '" . (int)$this->config->get('config_language_id') . "'");
if ($option_value_query->num_rows) {
if ($option_value_query->row['price_prefix'] == '+') {
$option_price += $option_value_query->row['price'];
} elseif ($option_value_query->row['price_prefix'] == '-') {
$option_price -= $option_value_query->row['price'];
}
if ($option_value_query->row['points_prefix'] == '+') {
$option_points += $option_value_query->row['points'];
} elseif ($option_value_query->row['points_prefix'] == '-') {
$option_points -= $option_value_query->row['points'];
}
if ($option_value_query->row['weight_prefix'] == '+') {
$option_weight += $option_value_query->row['weight'];
} elseif ($option_value_query->row['weight_prefix'] == '-') {
$option_weight -= $option_value_query->row['weight'];
}
if ($option_value_query->row['subtract'] && (!$option_value_query->row['quantity'] || ($option_value_query->row['quantity'] < $quantity))) {
$stock = false;
}
$option_data[] = array(
'product_option_id' => $product_option_id,
'product_option_value_id' => $product_option_value_id,
'option_id' => $option_query->row['option_id'],
'option_value_id' => $option_value_query->row['option_value_id'],
'name' => $option_query->row['name'],
'value' => $option_value_query->row['name'],
'type' => $option_query->row['type'],
'quantity' => $option_value_query->row['quantity'],
'subtract' => $option_value_query->row['subtract'],
'price' => $option_value_query->row['price'],
'price_prefix' => $option_value_query->row['price_prefix'],
'points' => $option_value_query->row['points'],
'points_prefix' => $option_value_query->row['points_prefix'],
'weight' => $option_value_query->row['weight'],
'weight_prefix' => $option_value_query->row['weight_prefix']
);
}
}
} elseif ($option_query->row['type'] == 'text' || $option_query->row['type'] == 'textarea' || $option_query->row['type'] == 'file' || $option_query->row['type'] == 'date' || $option_query->row['type'] == 'datetime' || $option_query->row['type'] == 'time') {
$option_data[] = array(
'product_option_id' => $product_option_id,
'product_option_value_id' => '',
'option_id' => $option_query->row['option_id'],
'option_value_id' => '',
'name' => $option_query->row['name'],
'value' => $value,
'type' => $option_query->row['type'],
'quantity' => '',
'subtract' => '',
'price' => '',
'price_prefix' => '',
'points' => '',
'points_prefix' => '',
'weight' => '',
'weight_prefix' => ''
);
}
}
}
$price = $product_query->row['price'];
// Product Discounts
$discount_quantity = 0;
foreach ($this->session->data['cart'] as $key_2 => $quantity_2) {
$product_2 = (array)unserialize(base64_decode($key_2));
if ($product_2['product_id'] == $product_id) {
$discount_quantity += $quantity_2;
}
}
$product_discount_query = $this->db->query("SELECT price FROM " . DB_PREFIX . "product_discount WHERE product_id = '" . (int)$product_id . "' AND customer_group_id = '" . (int)$this->config->get('config_customer_group_id') . "' AND quantity <= '" . (int)$discount_quantity . "' AND ((date_start = '0000-00-00' OR date_start < NOW()) AND (date_end = '0000-00-00' OR date_end > NOW())) ORDER BY quantity DESC, priority ASC, price ASC LIMIT 1");
if ($product_discount_query->num_rows) {
$price = $product_discount_query->row['price'];
}
// Product Specials
$product_special_query = $this->db->query("SELECT price FROM " . DB_PREFIX . "product_special WHERE product_id = '" . (int)$product_id . "' AND customer_group_id = '" . (int)$this->config->get('config_customer_group_id') . "' AND ((date_start = '0000-00-00' OR date_start < NOW()) AND (date_end = '0000-00-00' OR date_end > NOW())) ORDER BY priority ASC, price ASC LIMIT 1");
if ($product_special_query->num_rows) {
$price = $product_special_query->row['price'];
}
// Reward Points
$product_reward_query = $this->db->query("SELECT points FROM " . DB_PREFIX . "product_reward WHERE product_id = '" . (int)$product_id . "' AND customer_group_id = '" . (int)$this->config->get('config_customer_group_id') . "'");
if ($product_reward_query->num_rows) {
$reward = $product_reward_query->row['points'];
} else {
$reward = 0;
}
// Downloads
$download_data = array();
$download_query = $this->db->query("SELECT * FROM " . DB_PREFIX . "product_to_download p2d LEFT JOIN " . DB_PREFIX . "download d ON (p2d.download_id = d.download_id) LEFT JOIN " . DB_PREFIX . "download_description dd ON (d.download_id = dd.download_id) WHERE p2d.product_id = '" . (int)$product_id . "' AND dd.language_id = '" . (int)$this->config->get('config_language_id') . "'");
foreach ($download_query->rows as $download) {
$download_data[] = array(
'download_id' => $download['download_id'],
'name' => $download['name'],
'filename' => $download['filename'],
'mask' => $download['mask']
);
}
// Stock
if (!$product_query->row['quantity'] || ($product_query->row['quantity'] < $quantity)) {
$stock = false;
}
$recurring_query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "recurring` `p` JOIN `" . DB_PREFIX . "product_recurring` `pp` ON `pp`.`recurring_id` = `p`.`recurring_id` AND `pp`.`product_id` = " . (int)$product_query->row['product_id'] . " JOIN `" . DB_PREFIX . "recurring_description` `pd` ON `pd`.`recurring_id` = `p`.`recurring_id` AND `pd`.`language_id` = " . (int)$this->config->get('config_language_id') . " WHERE `pp`.`recurring_id` = " . (int)$recurring_id . " AND `status` = 1 AND `pp`.`customer_group_id` = " . (int)$this->config->get('config_customer_group_id'));
if ($recurring_query->num_rows) {
$recurring = array(
'recurring_id' => $recurring_id,
'name' => $recurring_query->row['name'],
'frequency' => $recurring_query->row['frequency'],
'price' => $recurring_query->row['price'],
'cycle' => $recurring_query->row['cycle'],
'duration' => $recurring_query->row['duration'],
'trial' => $recurring_query->row['trial_status'],
'trial_frequency' => $recurring_query->row['trial_frequency'],
'trial_price' => $recurring_query->row['trial_price'],
'trial_cycle' => $recurring_query->row['trial_cycle'],
'trial_duration' => $recurring_query->row['trial_duration']
);
} else {
$recurring = false;
}
$this->data[$key] = array(
'key' => $key,
'product_id' => $product_query->row['product_id'],
'name' => $product_query->row['name'],
'model' => $product_query->row['model'],
'shipping' => $product_query->row['shipping'],
'image' => $product_query->row['image'],
'option' => $option_data,
'download' => $download_data,
'quantity' => $quantity,
'minimum' => $product_query->row['minimum'],
'subtract' => $product_query->row['subtract'],
'stock' => $stock,
'price' => ($price + $option_price),
'total' => ($price + $option_price) * $quantity,
'reward' => $reward * $quantity,
'points' => ($product_query->row['points'] ? ($product_query->row['points'] + $option_points) * $quantity : 0),
'tax_class_id' => $product_query->row['tax_class_id'],
'weight' => ($product_query->row['weight'] + $option_weight) * $quantity,
'weight_class_id' => $product_query->row['weight_class_id'],
'length' => $product_query->row['length'],
'width' => $product_query->row['width'],
'height' => $product_query->row['height'],
'length_class_id' => $product_query->row['length_class_id'],
'recurring' => $recurring
);
} else {
$this->remove($key);
}
}
}
return $this->data;
}
public function getRecurringProducts() {
$recurring_products = array();
foreach ($this->getProducts() as $key => $value) {
if ($value['recurring']) {
$recurring_products[$key] = $value;
}
}
return $recurring_products;
}
public function add($product_id, $qty = 1, $option = array(), $recurring_id = 0) {
$this->data = array();
$product['product_id'] = (int)$product_id;
if ($option) {
$product['option'] = $option;
}
if ($recurring_id) {
$product['recurring_id'] = (int)$recurring_id;
}
$key = base64_encode(serialize($product));
if ((int)$qty && ((int)$qty > 0)) {
if (!isset($this->session->data['cart'][$key])) {
$this->session->data['cart'][$key] = (int)$qty;
} else {
$this->session->data['cart'][$key] += (int)$qty;
}
}
}
public function update($key, $qty) {
$this->data = array();
if ((int)$qty && ((int)$qty > 0) && isset($this->session->data['cart'][$key])) {
$this->session->data['cart'][$key] = (int)$qty;
} else {
$this->remove($key);
}
}
public function remove($key) {
$this->data = array();
unset($this->session->data['cart'][$key]);
}
public function clear() {
$this->data = array();
$this->session->data['cart'] = array();
}
public function getWeight() {
$weight = 0;
foreach ($this->getProducts() as $product) {
if ($product['shipping']) {
$weight += $this->weight->convert($product['weight'], $product['weight_class_id'], $this->config->get('config_weight_class_id'));
}
}
return $weight;
}
public function getSubTotal() {
$total = 0;
foreach ($this->getProducts() as $product) {
$total += $product['total'];
}
return $total;
}
public function getTaxes() {
$tax_data = array();
foreach ($this->getProducts() as $product) {
if ($product['tax_class_id']) {
$tax_rates = $this->tax->getRates($product['price'], $product['tax_class_id']);
foreach ($tax_rates as $tax_rate) {
if (!isset($tax_data[$tax_rate['tax_rate_id']])) {
$tax_data[$tax_rate['tax_rate_id']] = ($tax_rate['amount'] * $product['quantity']);
} else {
$tax_data[$tax_rate['tax_rate_id']] += ($tax_rate['amount'] * $product['quantity']);
}
}
}
}
return $tax_data;
}
public function getTotal() {
$total = 0;
foreach ($this->getProducts() as $product) {
$total += $this->tax->calculate($product['price'], $product['tax_class_id'], $this->config->get('config_tax')) * $product['quantity'];
}
return $total;
}
public function countProducts() {
$product_total = 0;
$products = $this->getProducts();
foreach ($products as $product) {
$product_total += $product['quantity'];
}
return $product_total;
}
public function hasProducts() {
return count($this->session->data['cart']);
}
public function hasRecurringProducts() {
return count($this->getRecurringProducts());
}
public function hasStock() {
$stock = true;
foreach ($this->getProducts() as $product) {
if (!$product['stock']) {
$stock = false;
}
}
return $stock;
}
public function hasShipping() {
$shipping = false;
foreach ($this->getProducts() as $product) {
if ($product['shipping']) {
$shipping = true;
break;
}
}
return $shipping;
}
public function hasDownload() {
$download = false;
foreach ($this->getProducts() as $product) {
if ($product['download']) {
$download = true;
break;
}
}
return $download;
}
}
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