1<?php
2/* Copyright (C) 2011 Auguria <anthony.poiret@auguria.net>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18/**
19 *       \file       htdocs/compta/ajaxpayment.php
20 *       \brief      File to return Ajax response on payment breakdown process
21 */
22
23if (!defined('NOREQUIRESOC'))   define('NOREQUIRESOC', '1');
24if (!defined('NOCSRFCHECK'))    define('NOCSRFCHECK', '1');
25if (!defined('NOTOKENRENEWAL')) define('NOTOKENRENEWAL', '1');
26if (!defined('NOREQUIREMENU'))  define('NOREQUIREMENU', '1'); // If there is no menu to show
27if (!defined('NOREQUIREHTML'))  define('NOREQUIREHTML', '1'); // If we don't need to load the html.form.class.php
28
29require '../main.inc.php';
30
31$langs->load('compta');
32
33
34/*
35 * View
36 */
37
38//init var
39$invoice_type = GETPOST('invoice_type', 'int');
40$amountPayment = $_POST['amountPayment'];
41$amounts = $_POST['amounts']; // from text inputs : invoice amount payment (check required)
42$remains = $_POST['remains']; // from dolibarr's object (no need to check)
43$currentInvId = $_POST['imgClicked']; // from DOM elements : imgId (equals invoice id)
44
45// Getting the posted keys=>values, sanitize the ones who are from text inputs
46$amountPayment = $amountPayment != '' ? (is_numeric(price2num($amountPayment)) ? price2num($amountPayment) : '') : ''; // keep void if not a valid entry
47
48// Clean checkamounts
49foreach ($amounts as $key => $value)
50{
51	$value = price2num($value);
52	$amounts[$key] = $value;
53	if (empty($value)) unset($amounts[$key]);
54}
55// Clean remains
56foreach ($remains as $key => $value)
57{
58	$value = price2num($value);
59	$remains[$key] = (($invoice_type) == 2 ?-1 : 1) * $value;
60	if (empty($value)) unset($remains[$key]);
61}
62
63// Treatment
64$result = ($amountPayment != '') ? ($amountPayment - array_sum($amounts)) : array_sum($amounts); // Remaining amountPayment
65$toJsonArray = array();
66$totalRemaining = price2num(array_sum($remains));
67$toJsonArray['label'] = $amountPayment == '' ? '' : $langs->transnoentities('RemainingAmountPayment');
68if ($currentInvId)																	// Here to breakdown
69{
70	// Get the current amount (from form) and the corresponding remainToPay (from invoice)
71	$currentAmount = $amounts['amount_'.$currentInvId];
72	$currentRemain = $remains['remain_'.$currentInvId];
73
74	// If amountPayment isn't filled, breakdown invoice amount, else breakdown from amountPayment
75	if ($amountPayment == '')
76	{
77		// Check if current amount exists in amounts
78		$amountExists = array_key_exists('amount_'.$currentInvId, $amounts);
79		if ($amountExists)
80		{
81			$remainAmount = $currentRemain - $currentAmount; // To keep value between curRemain and curAmount
82			$result += $remainAmount; // result must be deduced by
83			$currentAmount += $remainAmount; // curAmount put to curRemain
84		} else {
85			$currentAmount = $currentRemain;
86			$result += $currentRemain;
87		}
88	} else {
89		// Reset the substraction for this amount
90		$result += price2num($currentAmount);
91		$currentAmount = 0;
92
93		if ($result >= 0)			// then we need to calculate the amount to breakdown
94		{
95			$amountToBreakdown = ($result - $currentRemain >= 0 ?
96										$currentRemain : // Remain can be fully paid
97										$currentRemain + ($result - $currentRemain)); // Remain can only partially be paid
98			$currentAmount = $amountToBreakdown; // In both cases, amount will take breakdown value
99			$result -= $amountToBreakdown; // And canceled substraction has been replaced by breakdown
100		}	// else there's no need to calc anything, just reset the field (result is still < 0)
101	}
102	$toJsonArray['amount_'.$currentInvId] = price2num($currentAmount).""; // Param will exist only if an img has been clicked
103}
104
105$toJsonArray['makeRed'] = ($totalRemaining < price2num($result) || price2num($result) < 0) ? true : false;
106$toJsonArray['result'] = price($result); // Return value to user format
107$toJsonArray['resultnum'] = price2num($result); // Return value to numeric format
108
109// Encode to JSON to return
110echo json_encode($toJsonArray); // Printing the call's result
111