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| Dir : //home/trave494/youronlinestore.kerihosting.com/system/library/tax.php |
<?php
final class Tax {
private $shipping_address;
private $payment_address;
private $store_address;
public function __construct($registry) {
$this->config = $registry->get('config');
$this->customer = $registry->get('customer');
$this->db = $registry->get('db');
$this->session = $registry->get('session');
if (isset($this->session->data['shipping_country_id']) || isset($this->session->data['shipping_zone_id'])) {
$this->setShippingAddress($this->session->data['shipping_country_id'], $this->session->data['shipping_zone_id']);
} elseif ($this->config->get('config_tax_default') == 'shipping') {
$this->setShippingAddress($this->config->get('config_country_id'), $this->config->get('config_zone_id'));
}
if (isset($this->session->data['payment_country_id']) || isset($this->session->data['payment_zone_id'])) {
$this->setPaymentAddress($this->session->data['payment_country_id'], $this->session->data['payment_zone_id']);
} elseif ($this->config->get('config_tax_default') == 'payment') {
$this->setPaymentAddress($this->config->get('config_country_id'), $this->config->get('config_zone_id'));
}
$this->setStoreAddress($this->config->get('config_country_id'), $this->config->get('config_zone_id'));
}
public function setShippingAddress($country_id, $zone_id) {
$this->shipping_address = array(
'country_id' => $country_id,
'zone_id' => $zone_id
);
}
public function setPaymentAddress($country_id, $zone_id) {
$this->payment_address = array(
'country_id' => $country_id,
'zone_id' => $zone_id
);
}
public function setStoreAddress($country_id, $zone_id) {
$this->store_address = array(
'country_id' => $country_id,
'zone_id' => $zone_id
);
}
public function calculate($value, $tax_class_id, $calculate = true) {
if ($tax_class_id && $calculate) {
$amount = $this->getTax($value, $tax_class_id);
return $value + $amount;
} else {
return $value;
}
}
public function getTax($value, $tax_class_id) {
$amount = 0;
$tax_rates = $this->getRates($value, $tax_class_id);
foreach ($tax_rates as $tax_rate) {
$amount += $tax_rate['amount'];
}
return $amount;
}
public function getRateName($tax_rate_id) {
$tax_query = $this->db->query("SELECT name FROM " . DB_PREFIX . "tax_rate WHERE tax_rate_id = '" . (int)$tax_rate_id . "'");
if ($tax_query->num_rows) {
return $tax_query->row['name'];
} else {
return false;
}
}
public function getRates($value, $tax_class_id) {
$tax_rates = array();
if ($this->customer->isLogged()) {
$customer_group_id = $this->customer->getCustomerGroupId();
} else {
$customer_group_id = $this->config->get('config_customer_group_id');
}
if ($this->shipping_address) {
$tax_query = $this->db->query("SELECT tr2.tax_rate_id, tr2.name, tr2.rate, tr2.type, tr1.priority FROM " . DB_PREFIX . "tax_rule tr1 LEFT JOIN " . DB_PREFIX . "tax_rate tr2 ON (tr1.tax_rate_id = tr2.tax_rate_id) INNER JOIN " . DB_PREFIX . "tax_rate_to_customer_group tr2cg ON (tr2.tax_rate_id = tr2cg.tax_rate_id) LEFT JOIN " . DB_PREFIX . "zone_to_geo_zone z2gz ON (tr2.geo_zone_id = z2gz.geo_zone_id) LEFT JOIN " . DB_PREFIX . "geo_zone gz ON (tr2.geo_zone_id = gz.geo_zone_id) WHERE tr1.tax_class_id = '" . (int)$tax_class_id . "' AND tr1.based = 'shipping' AND tr2cg.customer_group_id = '" . (int)$customer_group_id . "' AND z2gz.country_id = '" . (int)$this->shipping_address['country_id'] . "' AND (z2gz.zone_id = '0' OR z2gz.zone_id = '" . (int)$this->shipping_address['zone_id'] . "') ORDER BY tr1.priority ASC");
foreach ($tax_query->rows as $result) {
$tax_rates[$result['tax_rate_id']] = array(
'tax_rate_id' => $result['tax_rate_id'],
'name' => $result['name'],
'rate' => $result['rate'],
'type' => $result['type'],
'priority' => $result['priority']
);
}
}
if ($this->payment_address) {
$tax_query = $this->db->query("SELECT tr2.tax_rate_id, tr2.name, tr2.rate, tr2.type, tr1.priority FROM " . DB_PREFIX . "tax_rule tr1 LEFT JOIN " . DB_PREFIX . "tax_rate tr2 ON (tr1.tax_rate_id = tr2.tax_rate_id) INNER JOIN " . DB_PREFIX . "tax_rate_to_customer_group tr2cg ON (tr2.tax_rate_id = tr2cg.tax_rate_id) LEFT JOIN " . DB_PREFIX . "zone_to_geo_zone z2gz ON (tr2.geo_zone_id = z2gz.geo_zone_id) LEFT JOIN " . DB_PREFIX . "geo_zone gz ON (tr2.geo_zone_id = gz.geo_zone_id) WHERE tr1.tax_class_id = '" . (int)$tax_class_id . "' AND tr1.based = 'payment' AND tr2cg.customer_group_id = '" . (int)$customer_group_id . "' AND z2gz.country_id = '" . (int)$this->payment_address['country_id'] . "' AND (z2gz.zone_id = '0' OR z2gz.zone_id = '" . (int)$this->payment_address['zone_id'] . "') ORDER BY tr1.priority ASC");
foreach ($tax_query->rows as $result) {
$tax_rates[$result['tax_rate_id']] = array(
'tax_rate_id' => $result['tax_rate_id'],
'name' => $result['name'],
'rate' => $result['rate'],
'type' => $result['type'],
'priority' => $result['priority']
);
}
}
if ($this->store_address) {
$tax_query = $this->db->query("SELECT tr2.tax_rate_id, tr2.name, tr2.rate, tr2.type, tr1.priority FROM " . DB_PREFIX . "tax_rule tr1 LEFT JOIN " . DB_PREFIX . "tax_rate tr2 ON (tr1.tax_rate_id = tr2.tax_rate_id) INNER JOIN " . DB_PREFIX . "tax_rate_to_customer_group tr2cg ON (tr2.tax_rate_id = tr2cg.tax_rate_id) LEFT JOIN " . DB_PREFIX . "zone_to_geo_zone z2gz ON (tr2.geo_zone_id = z2gz.geo_zone_id) LEFT JOIN " . DB_PREFIX . "geo_zone gz ON (tr2.geo_zone_id = gz.geo_zone_id) WHERE tr1.tax_class_id = '" . (int)$tax_class_id . "' AND tr1.based = 'store' AND tr2cg.customer_group_id = '" . (int)$customer_group_id . "' AND z2gz.country_id = '" . (int)$this->store_address['country_id'] . "' AND (z2gz.zone_id = '0' OR z2gz.zone_id = '" . (int)$this->store_address['zone_id'] . "') ORDER BY tr1.priority ASC");
foreach ($tax_query->rows as $result) {
$tax_rates[$result['tax_rate_id']] = array(
'tax_rate_id' => $result['tax_rate_id'],
'name' => $result['name'],
'rate' => $result['rate'],
'type' => $result['type'],
'priority' => $result['priority']
);
}
}
$tax_rate_data = array();
foreach ($tax_rates as $tax_rate) {
if (isset($tax_rate_data[$tax_rate['tax_rate_id']])) {
$amount = $tax_rate_data[$tax_rate['tax_rate_id']]['amount'];
} else {
$amount = 0;
}
if ($tax_rate['type'] == 'F') {
$amount += $tax_rate['rate'];
} elseif ($tax_rate['type'] == 'P') {
$amount += ($value / 100 * $tax_rate['rate']);
}
$tax_rate_data[$tax_rate['tax_rate_id']] = array(
'tax_rate_id' => $tax_rate['tax_rate_id'],
'name' => $tax_rate['name'],
'rate' => $tax_rate['rate'],
'type' => $tax_rate['type'],
'amount' => $amount
);
}
return $tax_rate_data;
}
public function has($tax_class_id) {
return isset($this->taxes[$tax_class_id]);
}
}
?>