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- <?php
- /*
- ot_loyalty_discount.php
- $Id: ot_loyalty_discount.php,v 1.0 2003/06/09 22:49:11 sp Exp $
- osCommerce, Open Source E-Commerce Solutions
- http://www.oscommerce.com
- Copyright (c) 2002 osCommerce
- Released under the GNU General Plic License
- */
- class ot_loyalty_discount {
- var $title, $output;
- function ot_loyalty_discount() {
- $this->code = ot_loyalty_discount;
- $this->title = MODULE_LOYALTY_DISCOUNT_TITLE;
- $this->description = MODULE_LOYALTY_DISCOUNT_DESCRIPTION;
- $this->enabled = MODULE_LOYALTY_DISCOUNT_STATUS;
- $this->sort_order = MODULE_LOYALTY_DISCOUNT_SORT_ORDER;
- $this->include_shipping = MODULE_LOYALTY_DISCOUNT_INC_SHIPPING;
- $this->include_tax = MODULE_LOYALTY_DISCOUNT_INC_TAX;
- $this->calculate_tax = MODULE_LOYALTY_DISCOUNT_CALC_TAX;
- $this->table = MODULE_LOYALTY_DISCOUNT_TABLE;
- $this->loyalty_order_status = MODULE_LOYALTY_DISCOUNT_ORDER_STATUS;
- $this->cum_order_period = MODULE_LOYALTY_DISCOUNT_CUMORDER_PERIOD;
- $this->output = array();
- }
- function process() {
- global $order, $ot_subtotal, $currencies;
- $od_amount = $this->calculate_credit($this->get_order_total(), $this->get_cum_order_total());
- // round discount to nearest cent. Discount of less than .5 cent will not be deducted from amount payable.
- $od_amount = round($od_amount, 2);
- if ($od_amount>0) { // deduct discount from amount payable
- $this->deduction = $od_amount;
- $this->output[] = array('title' => $this->title . ':<br>' . MODULE_LOYALTY_DISCOUNT_SPENT . $currencies->format($this->cum_order_total) . $this->period_string . MODULE_LOYALTY_DISCOUNT_QUALIFY . $this->od_pc . '%:',
- 'text' => '<b>' . $currencies->format($od_amount) .'<b>' ,
- 'value' => $od_amount);
- $order->info['total'] = $order->info['total'] - $od_amount;
- if ($this->sort_order < $ot_subtotal->sort_order) {
- $order->info['subtotal'] = $order->info['subtotal'] - $od_amount;
- }
- }
- } // end of function process()
- function calculate_credit($amount_order, $amount_cum_order) {
- global $order;
- $od_amount=0;
- $table_cost = split("[:,]" , MODULE_LOYALTY_DISCOUNT_TABLE);
- for ($i = 0; $i < count($table_cost); $i+=2) {
- if ($amount_cum_order >= $table_cost[$i]) {
- $od_pc = $table_cost[$i+1];
- $this->od_pc = $od_pc;
- }
- }
- // Calculate tax reduction if necessary
- if($this->calculate_tax == 'true') {
- // Calculate main tax reduction
- $tod_amount = $order->info['tax']*$od_pc/100;
- $order->info['tax'] = $order->info['tax'] - $tod_amount;
- // Calculate tax group deductions
- reset($order->info['tax_groups']);
- while (list($key, $value) = each($order->info['tax_groups'])) {
- $god_amount = $value*$od_pc/100;
- $order->info['tax_groups'][$key] = $order->info['tax_groups'][$key] - $god_amount;
- }
- }
- $od_amount = $amount_order*$od_pc/100;
- $od_amount = $od_amount + $tod_amount;
- return $od_amount;
- }
- function get_order_total() {
- global $order, $cart;
- $order_total = $order->info['total'];
- // Check if gift voucher is in cart and adjust total
- $products = $cart->get_products();
- for ($i=0; $i<sizeof($products); $i++) {
- $t_prid = tep_get_prid($products[$i]['id']);
- $gv_query = tep_db_query("select products_price, products_tax_class_id, products_model from " . TABLE_PRODUCTS . " where products_id = '" . $t_prid . "'");
- $gv_result = tep_db_fetch_array($gv_query);
- if (ereg('^GIFT', addslashes($gv_result['products_model']))) {
- $qty = $cart->get_quantity($t_prid);
- $products_tax = tep_get_tax_rate($gv_result['products_tax_class_id']);
- if ($this->include_tax =='false') {
- $gv_amount = $gv_result['products_price'] * $qty;
- } else {
- $gv_amount = ($gv_result['products_price'] + tep_calculate_tax($gv_result['products_price'],$products_tax)) * $qty;
- }
- $order_total=$order_total - $gv_amount;
- }
- }
- if ($this->include_tax == 'false') $order_total=$order_total-$order->info['tax'];
- if ($this->include_shipping == 'false') $order_total=$order_total-$order->info['shipping_cost'];
- return $order_total;
- }
- function get_cum_order_total() {
- global $order, $customer_id;
- $history_query_raw = "select o.date_purchased, ot.value as order_total from " . TABLE_ORDERS . " o left join " . TABLE_ORDERS_TOTAL . " ot on (o.orders_id = ot.orders_id) where o.customers_id = '" . $customer_id . "' and ot.class = 'ot_subtotal' and o.orders_status = '" . $this->loyalty_order_status . "' order by date_purchased DESC";
- $history_query = tep_db_query($history_query_raw);
- if (tep_db_num_rows($history_query)) {
- $cum_order_total = 0;
- $cutoff_date = $this->get_cutoff_date();
- while ($history = tep_db_fetch_array($history_query)) {
- if ($this->get_date_in_period($cutoff_date, $history['date_purchased']) == true){
- $cum_order_total = $cum_order_total + $history['order_total'];
- }
- }
- $this->cum_order_total = $cum_order_total;
- return $cum_order_total;
- }
- else {
- $cum_order_total = 0;
- $this->cum_order_total = $cum_order_total;
- return $cum_order_total;
- }
- }
- function get_cutoff_date() {
- $rightnow = time();
- switch ($this->cum_order_period) {
- case alltime:
- $this->period_string = MODULE_LOYALTY_DISCOUNT_WITHUS;
- $cutoff_date = 0;
- return $cutoff_date;
- break;
- case year:
- $this->period_string = MODULE_LOYALTY_DISCOUNT_LAST . MODULE_LOYALTY_DISCOUNT_YEAR;
- $cutoff_date = $rightnow - (60*60*24*365);
- return $cutoff_date;
- break;
- case quarter:
- $this->period_string = MODULE_LOYALTY_DISCOUNT_LAST . MODULE_LOYALTY_DISCOUNT_QUARTER;
- $cutoff_date = $rightnow - (60*60*24*92);
- return $cutoff_date;
- break;
- case month:
- $this->period_string = MODULE_LOYALTY_DISCOUNT_LAST . MODULE_LOYALTY_DISCOUNT_MONTH;
- $cutoff_date = $rightnow - (60*60*24*31);
- return $cutoff_date;
- break;
- default:
- $cutoff_date = $rightnow;
- return $cutoff_date;
- }
- }
- function get_date_in_period($cutoff_date, $raw_date) {
- if ( ($raw_date == '0000-00-00 00:00:00') || ($raw_date == '') ) return false;
- $year = (int)substr($raw_date, 0, 4);
- $month = (int)substr($raw_date, 5, 2);
- $day = (int)substr($raw_date, 8, 2);
- $hour = (int)substr($raw_date, 11, 2);
- $minute = (int)substr($raw_date, 14, 2);
- $second = (int)substr($raw_date, 17, 2);
- $order_date_purchased = mktime($hour,$minute,$second,$month,$day,$year);
- if ($order_date_purchased >= $cutoff_date) {return true;}
- else {return false;}
- }
- function check() {
- if (!isset($this->check)) {
- $check_query = tep_db_query("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_LOYALTY_DISCOUNT_STATUS'");
- $this->check = tep_db_num_rows($check_query);
- }
- return $this->check;
- }
- function keys() {
- return array('MODULE_LOYALTY_DISCOUNT_STATUS', 'MODULE_LOYALTY_DISCOUNT_SORT_ORDER', 'MODULE_LOYALTY_DISCOUNT_CUMORDER_PERIOD', 'MODULE_LOYALTY_DISCOUNT_TABLE', 'MODULE_LOYALTY_DISCOUNT_INC_SHIPPING', 'MODULE_LOYALTY_DISCOUNT_INC_TAX', 'MODULE_LOYALTY_DISCOUNT_CALC_TAX', 'MODULE_LOYALTY_DISCOUNT_ORDER_STATUS');
- }
- function install() {
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Display Total', 'MODULE_LOYALTY_DISCOUNT_STATUS', 'true', 'Do you want to enable the Order Discount?', '6', '1','tep_cfg_select_option(array(\'true\', \'false\'), ', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Sort Order', 'MODULE_LOYALTY_DISCOUNT_SORT_ORDER', '999', 'Sort order of display.', '6', '2', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function ,date_added) values ('Include Shipping', 'MODULE_LOYALTY_DISCOUNT_INC_SHIPPING', 'true', 'Include Shipping in calculation', '6', '3', 'tep_cfg_select_option(array(\'true\', \'false\'), ', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function ,date_added) values ('Include Tax', 'MODULE_LOYALTY_DISCOUNT_INC_TAX', 'true', 'Include Tax in calculation.', '6', '4','tep_cfg_select_option(array(\'true\', \'false\'), ', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function ,date_added) values ('Calculate Tax', 'MODULE_LOYALTY_DISCOUNT_CALC_TAX', 'false', 'Re-calculate Tax on discounted amount.', '6', '5','tep_cfg_select_option(array(\'true\', \'false\'), ', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function ,date_added) values ('Cumulative order total period', 'MODULE_LOYALTY_DISCOUNT_CUMORDER_PERIOD', 'year', 'Set the period over which to calculate cumulative order total.', '6', '6','tep_cfg_select_option(array(\'alltime\', \'year\', \'quarter\', \'month\'), ', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Discount Percentage', 'MODULE_LOYALTY_DISCOUNT_TABLE', '1000:5,1500:7.5,2000:10,3000:12.5,5000:15', 'Set the cumulative order total breaks per period set above, and discount percentages', '6', '7', now())");
- tep_db_query("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Order Status', 'MODULE_LOYALTY_DISCOUNT_ORDER_STATUS', '3', 'Set the minimum order status for an order to add it to the total amount ordered', '6', '8', now())");
- }
- function remove() {
- $keys = '';
- $keys_array = $this->keys();
- for ($i=0; $i<sizeof($keys_array); $i++) {
- $keys .= "'" . $keys_array[$i] . "',";
- }
- $keys = substr($keys, 0, -1);
- tep_db_query("delete from " . TABLE_CONFIGURATION . " where configuration_key in (" . $keys . ")");
- }
- }
- ?>
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