ajaxpayment.php

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<?php
/* Copyright (C) 2011     Auguria         <anthony.poiret@auguria.net>
 * Copyright (C) 2024-2026  MDW           <mdeweerd@users.noreply.github.com>
 * Copyright (C) 2024-2026  Frédéric France         <frederic.france@free.fr>
 * Copyright (C) 2026       Lenin Rivas           <frederic.france@free.fr>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
 
if (!defined('NOREQUIRESOC')) {
  define('NOREQUIRESOC', '1');
}
if (!defined('NOTOKENRENEWAL')) {
  define('NOTOKENRENEWAL', '1');
}
if (!defined('NOREQUIREMENU')) {
  define('NOREQUIREMENU', '1'); // If there is no menu to show
}
if (!defined('NOREQUIREHTML')) {
  define('NOREQUIREHTML', '1'); // If we don't need to load the html.form.class.php
}
 
// Load Dolibarr environment
require '../main.inc.php';
 
$langs->load('compta');
 
// No permission check. This is just a formatting data service.
 
 
/*
 * View
 */
 
//init var
$invoice_type = GETPOSTINT('invoice_type');
$amountPayment = GETPOST('amountPayment');
$amounts = GETPOST('amounts', 'array'); // from text inputs : invoice amount payment (check required)
$remains = GETPOST('remains'); // from dolibarr's object (no need to check)
$currentInvId = GETPOST('imgClicked'); // from DOM elements : imgId (equals invoice id)
 
// Getting the posted keys=>values, sanitize the ones who are from text inputs
$amountPayment = $amountPayment != '' ? (is_numeric(price2num($amountPayment)) ? price2num($amountPayment) : '') : ''; // keep void if not a valid entry
 
// Multicurrency LRR
$multicurrency = GETPOSTINT('multicurrency');
$multicurrencyAmountPayment = GETPOST('multicurrency_amountPayment');
$multicurrencyAmounts = GETPOST('multicurrency_amounts', 'array'); // from text inputs : invoice amount payment (check required)
$multicurrencyRemains = GETPOST('multicurrency_remains'); // from dolibarr's object (no need to check)
 
// Getting the posted keys=>values, sanitize the ones who are from text inputs
$multicurrencyAmountPayment = $multicurrencyAmountPayment != '' ? (is_numeric(price2num($multicurrencyAmountPayment)) ? price2num($multicurrencyAmountPayment) : '') : ''; // keep void if not a valid entry
 
if ($multicurrency) {
  // Clean checkamounts multicurrency
  if (is_array($multicurrencyAmounts)) {
    foreach ($multicurrencyAmounts as $key => $value) {
      $value = price2num($value);
      $multicurrencyAmounts[$key] = $value;
      if (empty($value)) {
        unset($multicurrencyAmounts[$key]);
      }
    }
  }
  // Clean remains multicurrency
  if (is_array($multicurrencyRemains)) {
    foreach ($multicurrencyRemains as $key => $value) {
      $value = price2num($value);
      $multicurrencyRemains[$key] = ($invoice_type == 2 ? -1 : 1) * (float) $value;
      if (empty($value)) {
        unset($multicurrencyRemains[$key]);
      }
    }
  } elseif ($multicurrencyRemains) {
    $multicurrencyRemains = array(price2num($multicurrencyRemains));
  } else {
    $multicurrencyRemains = array();
  }
 
  // Treatment
  $result = ($multicurrencyAmountPayment != '') ? ((float) $multicurrencyAmountPayment - array_sum($multicurrencyAmounts)) : array_sum($multicurrencyAmounts); // Remaining amountPayment
  $toJsonArray = array();
  $totalRemaining = price2num(array_sum($multicurrencyRemains));
  $toJsonArray['label'] = $multicurrencyAmountPayment == '' ? '' : $langs->transnoentities('RemainingAmountPayment');
  if ($currentInvId) {                                  // Here to breakdown
    // Get the current amount (from form) and the corresponding remainToPay (from invoice)
    $currentAmount = $multicurrencyAmounts['amount_'.$currentInvId];
    $currentRemain = $multicurrencyRemains['remain_'.$currentInvId];
 
    // If amountPayment isn't filled, breakdown invoice amount, else breakdown from amountPayment
    if ($multicurrencyAmountPayment == '') {
      // Check if current amount exists in amounts
      $amountExists = array_key_exists('amount_'.$currentInvId, $multicurrencyAmounts);
      if ($amountExists) {
        $remainAmount = $currentRemain - $currentAmount; // To keep value between curRemain and curAmount
        $result += $remainAmount; // result must be deduced by
        $currentAmount += $remainAmount; // curAmount put to curRemain
      } else {
        $currentAmount = $currentRemain;
        $result += $currentRemain;
      }
    } else {
      // Reset the subtraction for this amount
      $result += price2num($currentAmount);
      $currentAmount = 0;
 
      if ($result >= 0) {     // then we need to calculate the amount to breakdown
        $amountToBreakdown = ($result - $currentRemain >= 0 ?
        $currentRemain : // Remain can be fully paid
        $currentRemain + ($result - $currentRemain)); // Remain can only partially be paid
        $currentAmount = $amountToBreakdown; // In both cases, amount will take breakdown value
        $result -= $amountToBreakdown; // And canceled subtraction has been replaced by breakdown
      } // else there's no need to calc anything, just reset the field (result is still < 0)
    }
    $toJsonArray['multicurrency_amount_'.$currentInvId] = price2num($currentAmount); // Param will exist only if an img has been clicked
  }
 
  $toJsonArray['multicurrency_makeRed'] = ($totalRemaining < price2num($result) || price2num($result) < 0);
  $toJsonArray['multicurrency_result'] = price($result); // Return value to user format
  $toJsonArray['multicurrency_resultnum'] = price2num($result); // Return value to numeric format
} else {
  // Clean checkamounts
  if (is_array($amounts)) {
    foreach ($amounts as $key => $value) {
      $value = price2num($value);
      $amounts[$key] = $value;
      if (empty($value)) {
        unset($amounts[$key]);
      }
    }
  }
  // Clean remains
  if (is_array($remains)) {
    foreach ($remains as $key => $value) {
      $value = price2num($value);
      $remains[$key] = ($invoice_type == 2 ? -1 : 1) * (float) $value;
      if (empty($value)) {
        unset($remains[$key]);
      }
    }
  } elseif ($remains) {
    $remains = array(price2num($remains));
  } else {
    $remains = array();
  }
 
  // Treatment
  $result = ($amountPayment != '') ? ((float) $amountPayment - array_sum($amounts)) : array_sum($amounts); // Remaining amountPayment
  $toJsonArray = array();
  $totalRemaining = price2num(array_sum($remains));
  $toJsonArray['label'] = $amountPayment == '' ? '' : $langs->transnoentities('RemainingAmountPayment');
  if ($currentInvId) {                                  // Here to breakdown
    // Get the current amount (from form) and the corresponding remainToPay (from invoice)
    $currentAmount = $amounts['amount_'.$currentInvId];
    $currentRemain = $remains['remain_'.$currentInvId];
 
    // If amountPayment isn't filled, breakdown invoice amount, else breakdown from amountPayment
    if ($amountPayment == '') {
      // Check if current amount exists in amounts
      $amountExists = array_key_exists('amount_'.$currentInvId, $amounts);
      if ($amountExists) {
        $remainAmount = $currentRemain - $currentAmount; // To keep value between curRemain and curAmount
        $result += $remainAmount; // result must be deduced by
        $currentAmount += $remainAmount; // curAmount put to curRemain
      } else {
        $currentAmount = $currentRemain;
        $result += $currentRemain;
      }
    } else {
      // Reset the subtraction for this amount
      $result += price2num($currentAmount);
      $currentAmount = 0;
 
      if ($result >= 0) {     // then we need to calculate the amount to breakdown
        $amountToBreakdown = ($result - $currentRemain >= 0 ?
                      $currentRemain : // Remain can be fully paid
                      $currentRemain + ($result - $currentRemain)); // Remain can only partially be paid
        $currentAmount = $amountToBreakdown; // In both cases, amount will take breakdown value
        $result -= $amountToBreakdown; // And canceled subtraction has been replaced by breakdown
      } // else there's no need to calc anything, just reset the field (result is still < 0)
    }
    $toJsonArray['amount_'.$currentInvId] = price2num($currentAmount); // Param will exist only if an img has been clicked
  }
 
  $toJsonArray['makeRed'] = ($totalRemaining < price2num($result) || price2num($result) < 0);
  $toJsonArray['result'] = price($result); // Return value to user format
  $toJsonArray['resultnum'] = price2num($result); // Return value to numeric format
}
 
// Encode to JSON to return
echo json_encode($toJsonArray); // Printing the call's result