480 lines
15 KiB
PHP
480 lines
15 KiB
PHP
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<?php
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/**
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* AgileBill - Open Billing Software
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*
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* This body of work is free software; you can redistribute it and/or
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* modify it under the terms of the Open AgileBill License
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* License as published at http://www.agileco.com/agilebill/license1-4.txt
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*
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* For questions, help, comments, discussion, etc., please join the
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* Agileco community forums at http://forum.agileco.com/
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*
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* @link http://www.agileco.com/
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* @copyright 2004-2008 Agileco, LLC.
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* @license http://www.agileco.com/agilebill/license1-4.txt
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* @author Tony Landis <tony@agileco.com>
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* @package AgileBill
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* @version 1.4.93
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*/
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class discount
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{
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/**
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* array of available discounts
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*
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* @var array
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*/
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var $discounts=false;
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/**
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* the cumulative amount of the current discount
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*
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* @var float
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*/
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var $discount_total=0;
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/**
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* the array of discounts applied to the line_items
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*
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* @var array
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*/
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var $discount_arr;
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/**
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* Array that contains list of discount plugins in the /plugins/discount/ directory to load
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*
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* @var array
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*/
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var $plugins=false;
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/**
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* Setup the discount plugin array if needed
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*/
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function discount() {
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// $this->plugins = array('test');
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}
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/**
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* Load a specific discount plugin and validate the results
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*
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* @param string $plugin The plugin name
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* @param string $discount The discount code
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* @return bool
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*/
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function plugin_validate($plugin, $discount) {
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$plugin_file = PATH_PLUGINS.'discount/'. $plugin . '.php';
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if(is_file($plugin_file)) {
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include_once($plugin_file);
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eval('$plg = new plgn_discount_'. $plugin .';');
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if(is_object($plg)) {
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if(is_callable(array($plg, 'validate'))) {
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$plg->discount = $discount;
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return $plg->validate($discount);
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}
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}
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}
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return false;
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}
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/**
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* Add a discount at the cart/checkout by user/admin
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*
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* @param array $VAR
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* @return bool
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*/
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function add_cart_discount($VAR) {
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global $C_debug, $C_translate, $smarty;
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# Validate input
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if(empty($VAR["discount"])) {
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$C_debug->alert($C_translate->translate('invalid_discount','checkout',''));
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return false;
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}
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$discount_code = $VAR["discount"];
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# Check the supplied discount
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$db = &DB();
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$rs = $db->Execute(sqlSelect($db,"discount","*","( date_start IS NULL OR date_start=0 OR date_start>".time().") AND date_expire<=".time()." AND name=::$discount_code::"));
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if (!$rs || !$rs->RecordCount() || $rs->fields["status"] != '1') {
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// local check failed, attempt any discount plugins
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$plg=false;
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if($this->plugins && is_array($this->plugins)) {
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foreach($this->plugins as $plugin){
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if($discount_code = $this->plugin_validate($plugin, $discount_code)) {
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$plg=true;
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break;
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}
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}
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}
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// no plugins returned true...
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if(!$plg) {
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$C_debug->alert($C_translate->translate('invalid_discount','checkout',''));
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return false;
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}
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}
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# get existing discounts:
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$arr = array();
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$rs = $db->Execute(sqlSelect($db,"session","discounts","id=::".SESS."::"));
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if($rs && $rs->RecordCount() && !empty($rs->fields['discounts']) && is_string($rs->fields['discounts']))
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$arr=unserialize($rs->fields['discounts']);
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# check for duplicates
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$do = true;
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if(is_array($arr)) {
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foreach($arr as $key=>$discount) {
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if($discount == $discount_code) {
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unset($arr[$key]);
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$do = false;
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}
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}
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}
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# update session data
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if($do) $arr[]=$discount_code;
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$rs = $db->Execute(sqlUpdate($db,"session",array('discounts'=> serialize($arr)), "id=::".SESS."::"));
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return true;
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}
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/**
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* Commit current discounts to the database (call after creating an invoice_item record)
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*/
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function invoice_item($invoice_id,$invoice_item_id,$account_id,$discount_arr=false) {
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if($discount_arr && is_array($discount_arr)) $this->discount_arr=$discount_arr;
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if(is_array($this->discount_arr)) {
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$db=&DB();
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foreach($this->discount_arr as $dsc) {
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$sql="INSERT INTO ".AGILE_DB_PREFIX."invoice_item_discount SET id=".sqlGenID($db,"invoice_item_discount").", site_id=".DEFAULT_SITE.", invoice_id=$invoice_id, account_id=$account_id, invoice_item_id=$invoice_item_id, discount=".$db->qstr($dsc["discount"]).", amount=".$db->qstr($dsc["amount"]);
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$db->Execute($sql);
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}
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}
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}
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/**
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* Get the avialable discounts for an account, session, or service
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* @param $account
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* @param $type 0=initial order, 1=recurring charge
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*/
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function available_discounts($account, $type=0,$invoice=false) {
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// get account specific discounts
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if($type) $type = " recurr_status=1 "; else $type = " new_status=1 ";
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$db =& DB();
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$rs = $db->Execute($sql=sqlSelect($db, 'discount', '*', "avail_account_id = $account AND $type AND status=1"));
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if($rs && $rs->RecordCount()) {
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while (!$rs->EOF) {
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$this->discounts["{$rs->fields['name']}"] = $rs->fields;
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$rs->MoveNext();
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}
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}
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// get session discounts from cart
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if($type==0) {
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$rsc = $db->Execute(sqlSelect($db, 'session', 'discounts', "(account_id = $account OR id=::".SESS."::) AND discounts != '' AND discounts IS NOT NULL"));
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if($rsc && $rsc->RecordCount()) {
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$arr=unserialize($rsc->fields['discounts']);
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foreach($arr as $discount) {
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if(!empty($discount)) {
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$rs = $db->Execute(sqlSelect($db, 'discount', '*', "name=::$discount:: AND status=1"));
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if($rs && $rs->RecordCount())
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if(empty($this->discounts["{$rs->fields['name']}"])) $this->discounts["{$rs->fields['name']}"] = $rs->fields;
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}
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}
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}
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}
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// get recurring discounts
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if($type==1 && $invoice) {
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$rs = $db->Execute(sqlSelect($db,array('invoice_item_discount','discount'),'B.*', "A.invoice_id = $invoice AND A.discount = B.name AND $type AND status=1"));
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if($rs && $rs->RecordCount()) {
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while (!$rs->EOF) {
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if(empty($this->discounts["{$rs->fields['name']}"])) $this->discounts["{$rs->fields['name']}"] = $rs->fields;
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$rs->MoveNext();
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}
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}
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}
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}
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/**
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* Calculate all applicable discounts for the current line item
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* @param $type bool 0=initial product, 1=recurring product, 2=initial_domain, 3=recurring domain
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* @param $invoice_item_id int The invoice item id for the discount
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* @param $product_id int The product ID if type=0,1 or The TLD if type = 2,3
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* @param $account_id int The account ID
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* @param $invoice_amt float The cumulative invoice amount
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* @param $prod_amt float The product price before any discounts
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*/
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function calc_all_discounts($type=0,$invoice_item_id=false, $product_id, $product_amt, $account_id, $invoice_amt) {
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$total_amt=0;
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if(is_array($this->discounts)) {
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if(!$invoice_item_id) unset($this->discount_arr);
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foreach($this->discounts as $discount => $tmp)
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{
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$amt = $this->calc_item_discount($type,$discount, $product_id, $account_id, $invoice_amt, $product_amt);
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if($amt > 0)
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{
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$this->discount_arr[] = Array ('id' => $invoice_item_id, 'discount' => $discount, 'amount' => $amt );
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$total_amt += $amt;
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$this->discount_total+=$amt;
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}
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}
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}
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return $total_amt;
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}
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/**
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* Add a manual ad-hoc invoice to the array
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*
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* @param float $amount The discount amount
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* @param string $discount Name of the discount
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* @param $invoice_item_id int The invoice item id for the discount
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*/
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function add_manual_discount($amount, $discount='MISC', $invoice_item_id=false) {
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$this->discount_arr[] = Array ('id' => $invoice_item_id, 'discount' => $discount, 'amount' => $amount );
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}
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/**
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* Calculate Recurring Discount
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* @param $type bool 0=initial product, 1=recurring product, 2=initial_domain, 3=recurring domain
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* @param $discount string The discount array obj (must be set to $this->discount["$discounts"] containing the fields of the discount)
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* @param $product_id int The product ID if type=0,1 or The TLD if type = 2,3
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* @param $account_id int The account ID
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* @param $invoice_amt float The cumulative invoice amount
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* @param $prod_amt float The product price before any discounts
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*/
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function calc_item_discount($type, $discount, $product_id, $account_id, $invoice_amt, $prod_amt)
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{
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$this->discount = $this->discounts["$discount"];
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if($type == 0 || $type == 2) { // initial
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$rate_type = $this->discount["new_type"];
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$rate = $this->discount["new_rate"];
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$min_cost = $this->discount["new_min_cost"];
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$max_usage_amt = $this->discount["new_max_discount"];
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} else { // recurr
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$rate_type = $this->discount["recurr_type"];
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$rate = $this->discount["recurr_rate"];
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$min_cost = $this->discount["recurr_min_cost"];
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$max_usage_amt = $this->discount["recurr_max_discount"];
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}
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if(empty($this->discounts["$discount"])) return false;
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$this->discount = $this->discounts["$discount"];
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if (!empty( $this->discount["date_start"] ) && $this->discount["date_start"] > time()) return 0;
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if (!empty( $this->discount["date_expire"] ) && $this->discount["date_expire"] < time()) return 0;
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if(!empty( $min_cost ) && $min_cost > $invoice_amt) return 0;
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if( $this->discount["max_usage_account"] > 0 || $this->discount["max_usage_global"] > 0 )
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if(!$this->discount_check_usage($this->discount["max_usage_account"],$this->discount["max_usage_global"], $account_id, $discount))
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return 0;
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if(!empty( $this->discount["avail_account_id"]) && $this->discount["avail_account_id"] != $account_id) return 0;
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if($type==0 || $type==2) {
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if(!empty( $this->discount["avail_account_id"]) && $this->discount["avail_account_id"] != $account_id) {
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return 0;
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} else {
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if(!empty( $this->discount["avail_group_id"] )) {
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$arr=unserialize($this->discount["avail_group_id"]);
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if(is_array($arr) && count($arr) > 0 && !empty($arr[0])) {
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$do=false;
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global $C_auth;
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for($i=0; $i<count($arr); $i++) {
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if($C_auth->auth_group_by_id($arr[$i])) { $do=true; $i=count($arr); }
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}
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if(!$do) return 0;
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}
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}
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}
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}
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if($type<2 && !empty($product_id) && !empty( $this->discount["avail_product_id"] )) {
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$arr=unserialize($this->discount["avail_product_id"]);
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if(is_array($arr) && count($arr) > 0 && !empty($arr[0])) {
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$do=false;
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for($i=0; $i<count($arr); $i++) if($arr[$i] == $product_id) { $do=true; $i=count($arr); }
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if(!$do) return 0;
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}
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} elseif ($type>1) {
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if(!empty( $this->discount["avail_tld_id"] )) {
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$do=false;
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$tld = $product_id;
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$db = &DB();
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$rstld = $db->Execute(sqlSelect($db,"host_tld","id","name=::$tld::"));
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if($rstld && $rstld->RecordCount()) {
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$tld_id = $rstld->fields["id"];
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$arr=unserialize($this->discount["avail_tld_id"]);
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if(is_array($arr) && count($arr) > 0 && !empty($arr[0])) {
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for($i=0; $i<count($arr); $i++) if($arr[$i] == $tld_id) { $do=true; $i=count($arr); }
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if(!$do) return 0;
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}
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}
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}
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}
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if($rate_type=="0") {
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$discount_amt = $rate*$prod_amt;
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if(!empty($max_usage_amt) && $discount_amt > $max_usage_amt) $discount_amt = $max_usage_amt;
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} else {
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$discount_amt = $rate;
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}
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if(!empty( $max_usage_amt )) {
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if ( $discount_amt + $this->discount_total > $max_usage_amt)
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$discount_amt = $max_usage_amt - $this->discount_total;
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}
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return round($discount_amt,2);
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}
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/**
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* Check discount usage for account/global restrictions
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*/
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function discount_check_usage($max_acct, $max_global, $account_id, $discount)
|
||
|
|
{
|
||
|
|
$db = &DB();
|
||
|
|
$rs = $db->Execute(sqlSelect($db,"invoice_item_discount","invoice_id,account_id","","","","DISTINCT"));
|
||
|
|
if($rs && $rs->RecordCount()) {
|
||
|
|
|
||
|
|
# Check global usage
|
||
|
|
if(!empty($max_global) && $max_global > 0) if($rs->RecordCount() >= $max_global) return false;
|
||
|
|
|
||
|
|
# Check usage by this account
|
||
|
|
if(!empty($max_acct) && $max_acct > 0) {
|
||
|
|
$i=0;
|
||
|
|
while(!$rs->EOF) {
|
||
|
|
if($rs->fields['account_id'] == $account_id) $i++;
|
||
|
|
$rs->MoveNext();
|
||
|
|
}
|
||
|
|
if($i>=$max_acct) return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function discount_construct() {
|
||
|
|
$this->module = "discount";
|
||
|
|
$this->xml_construct = PATH_MODULES . "" . $this->module . "/" . $this->module . "_construct.xml";
|
||
|
|
$C_xml = new CORE_xml;
|
||
|
|
$construct = $C_xml->xml_to_array($this->xml_construct);
|
||
|
|
$this->method = $construct["construct"]["method"];
|
||
|
|
$this->trigger = $construct["construct"]["trigger"];
|
||
|
|
$this->field = $construct["construct"]["field"];
|
||
|
|
$this->table = $construct["construct"]["table"];
|
||
|
|
$this->module = $construct["construct"]["module"];
|
||
|
|
$this->cache = $construct["construct"]["cache"];
|
||
|
|
$this->order_by = $construct["construct"]["order_by"];
|
||
|
|
$this->limit = $construct["construct"]["limit"];
|
||
|
|
}
|
||
|
|
|
||
|
|
function user_search($VAR) {
|
||
|
|
# Lock the user only for his billing_records:
|
||
|
|
if(!SESS_LOGGED) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
# Lock the account_id
|
||
|
|
$VAR['discount_avail_account_id'] = SESS_ACCOUNT;
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "search";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->search($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function user_search_show($VAR) {
|
||
|
|
# Lock the user only for his billing_records:
|
||
|
|
if(!SESS_LOGGED) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "search";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->search_show($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function add($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "add";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->add($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function view($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "view";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->view($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function update($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "update";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->update($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function delete($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->mass_delete($VAR, $this, "");
|
||
|
|
}
|
||
|
|
|
||
|
|
function search_form($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "search";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->search_form($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function search($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "search";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$db = new CORE_database;
|
||
|
|
$db->search($VAR, $this, $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function search_show($VAR) {
|
||
|
|
$this->discount_construct();
|
||
|
|
$type = "search";
|
||
|
|
$this->method["$type"] = split(",", $this->method["$type"]);
|
||
|
|
$dbc = new CORE_database;
|
||
|
|
$smart = $dbc->search_show($VAR, $this, $type);
|
||
|
|
$db = &DB();
|
||
|
|
for($i=0; $i<count($smart); $i++)
|
||
|
|
{
|
||
|
|
$smart[$i]['savings'] = 0;
|
||
|
|
$smart[$i]['orders'] = 0;
|
||
|
|
$smart[$i]['revenue'] = 0;
|
||
|
|
$rs = $db->Execute($sql=sqlSelect($db,Array("invoice","invoice_item_discount"),"SUM(A.total_amt) as sum","B.invoice_id=A.id AND A.billing_status=1 AND B.discount=::{$smart[$i]['name']}::","","","DISTINCT"));
|
||
|
|
if($rs && $rs->RecordCount()) $smart[$i]['revenue'] = $rs->fields['sum'];
|
||
|
|
$rs = $db->Execute(sqlSelect($db, 'invoice_item_discount', 'invoice_id,amount', "discount=::{$smart[$i]['name']}::"));
|
||
|
|
if($rs && $rs->RecordCount() > 0) {
|
||
|
|
while(!$rs->EOF) {
|
||
|
|
$smart[$i]['savings'] += $rs->fields['amount'];
|
||
|
|
if(empty($invoices[$rs->fields['invoice_id']])) {
|
||
|
|
$smart[$i]['orders']++;
|
||
|
|
$invoices[$rs->fields['invoice_id']]=true;
|
||
|
|
}
|
||
|
|
$rs->MoveNext();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
global $smarty;
|
||
|
|
$smarty->clear_assign('discount');
|
||
|
|
$smarty->assign('discount', $smart);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|