mod_takepos_ref_simple.php

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<?php
/* Copyright (C) 2005-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@capnetworks.com>
 * Copyright (C) 2013    Juanjo Menent        <jmenent@2byte.es>
 * Copyright (C) 2020      Open-DSI             <support@open-dsi.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 <http://www.gnu.org/licenses/>.
 * or see http://www.gnu.org/
 */

dol_include_once('/core/modules/takepos/modules_takepos.php');

class mod_takepos_ref_simple extends ModeleNumRefTakepos
{
  public $version = 'dolibarr';

  public $prefix = 'TC';

  public $error = '';

  public $nom = 'Simple';

  public function info()
  {
    global $langs;

    return $langs->trans('SimpleNumRefModelDesc', $this->prefix.'0-');
  }

  public function getExample()
  {
    return $this->prefix.'0-0501-0001';
  }

  public function canBeActivated()
  {
    global $conf, $langs, $db;

    $pryymm = '';
    $max = '';

    $pos_source = 0;

    // First, we get the max value
    $posindice = strlen($this->prefix.$pos_source.'-____-') + 1;

    $sql  = "SELECT MAX(CAST(SUBSTRING(ref FROM ".$posindice.") AS SIGNED)) as max";
    $sql .= " FROM ".MAIN_DB_PREFIX."facture";
    $sql .= " WHERE ref LIKE '".$db->escape($this->prefix)."____-%'";
    $sql .= " AND entity = ".$conf->entity;

    $resql = $db->query($sql);
    if ($resql) {
      $row = $db->fetch_row($resql);
      if ($row) {
        $pryymm = substr($row[0], 0, 6);
        $max = $row[0];
      }
    }

    if (!$pryymm || preg_match('/'.$this->prefix.'[0-9][0-9][0-9][0-9]/i', $pryymm)) {
      return true;
    } else {
      $langs->load("errors");
      $this->error = $langs->trans('ErrorNumRefModel', $max);
      return false;
    }
  }

  public function getNextValue($objsoc = null, $invoice = null, $mode = 'next')
  {
    global $db;

    $pos_source = is_object($invoice) && $invoice->pos_source > 0 ? $invoice->pos_source : 0;

    // First, we get the max value
    $posindice = strlen($this->prefix.$pos_source.'-____-') + 1;
    $sql  = "SELECT MAX(CAST(SUBSTRING(ref FROM ".$posindice.") AS SIGNED)) as max"; // This is standard SQL
    $sql .= " FROM ".MAIN_DB_PREFIX."facture";
    $sql .= " WHERE ref LIKE '".$db->escape($this->prefix.$pos_source)."-____-%'";
    $sql .= " AND entity IN (".getEntity('invoicenumber', 1, $invoice).")";

    $resql = $db->query($sql);
    if ($resql) {
      $obj = $db->fetch_object($resql);
      if ($obj) $max = intval($obj->max);
      else $max = 0;
    } else {
      dol_syslog(get_class($this)."::getNextValue", LOG_DEBUG);
      return -1;
    }

    if ($mode == 'last')
    {
      if ($max >= (pow(10, 4) - 1)) $num = $max; // If counter > 9999, we do not format on 4 chars, we take number as it is
      else $num = sprintf("%04s", $max);

      $ref = '';
      $sql  = "SELECT ref as ref";
      $sql .= " FROM ".MAIN_DB_PREFIX."facture";
      $sql .= " WHERE ref LIKE '".$db->escape($this->prefix.$pos_source)."-____-".$num."'";
      $sql .= " AND entity IN (".getEntity('invoicenumber', 1, $invoice).")";
      $sql .= " ORDER BY ref DESC";

      $resql = $db->query($sql);
      if ($resql) {
        $obj = $db->fetch_object($resql);
        if ($obj) $ref = $obj->ref;
      } else dol_print_error($db);

      return $ref;
    } elseif ($mode == 'next')
    {
      $date = $invoice->date; // This is invoice date (not creation date)
      $yymm = strftime("%y%m", $date);

      if ($max >= (pow(10, 4) - 1)) $num = $max + 1; // If counter > 9999, we do not format on 4 chars, we take number as it is
      else $num = sprintf("%04s", $max + 1);

      dol_syslog(get_class($this)."::getNextValue return ".$this->prefix.$pos_source.'-'.$yymm.'-'.$num);
      return $this->prefix.$pos_source.'-'.$yymm.'-'.$num;
    } else dol_print_error('', 'Bad parameter for getNextValue');
  }

  public function getNumRef($objsoc, $objforref)
  {
    return $this->getNextValue($objsoc, $objforref);
  }
}