editor.php

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<?php
/* Copyright (C) 2014   Ion Agorria     <ion@agorria.com>
 *
 * 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/>.
 */

require '../../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
require_once DOL_DOCUMENT_ROOT.'/product/dynamic_price/class/price_expression.class.php';
require_once DOL_DOCUMENT_ROOT.'/product/dynamic_price/class/price_global_variable.class.php';
require_once DOL_DOCUMENT_ROOT.'/product/dynamic_price/class/price_parser.class.php';

// Load translation files required by the page
$langs->loadLangs(array('products', 'accountancy')); //"Back" translation is on this accountancy file

$id = GETPOST('id', 'int');
$eid = GETPOST('eid', 'int');
$action = GETPOST('action', 'aZ09');
$title = GETPOST('expression_title', 'alpha');
$expression = GETPOST('expression');
$tab = GETPOST('tab', 'alpha');
$tab = (!empty($tab)) ? $tab : 'card';
$tab = strtolower($tab);

// Security check
$result = restrictedArea($user, 'produit|service&fournisseur', $id, 'product&product', '', '', 'rowid');

//Initialize objects
$product = new Product($db);
$product->fetch($id, '');

$price_expression = new PriceExpression($db);
$price_globals = new PriceGlobalVariable($db);

//Fetch expression data
if (empty($eid)) //This also disables fetch when eid == 0
{
  $eid = 0;
} elseif ($action != 'delete')
{
  $price_expression->fetch($eid);
}


/*
 * Actions
 */

if ($action == 'add')
{
  if ($eid == 0)
  {
    $result = $price_expression->find_title($title);
    if ($result == 0) //No existing entry found with title, ok
    {
      //Check the expression validity by parsing it
      $priceparser = new PriceParser($db);
      $price_result = $priceparser->testExpression($id, $expression);
      if ($price_result < 0) { //Expression is not valid
        setEventMessages($priceparser->translatedError(), null, 'errors');
      } else {
        $price_expression->title = $title;
        $price_expression->expression = $expression;
        $result = $price_expression->create($user);
        if ($result > 0) //created successfully, set the eid to newly created entry
        {
          $eid = $price_expression->id;
          setEventMessages($langs->trans("RecordSaved"), null, 'mesgs');
        } else {
          setEventMessages("add: ".$price_expression->error, $price_expression->errors, 'errors');
        }
      }
    } elseif ($result < 0)
    {
      setEventMessages("add find: ".$price_expression->error, $price_expression->errors, 'errors');
    } else {
      setEventMessages($langs->trans("ErrorRecordAlreadyExists"), null, 'errors');
    }
  }
}

if ($action == 'update')
{
  if ($eid != 0)
  {
    $result = $price_expression->find_title($title);
    if ($result == 0 || $result == $eid) //No existing entry found with title or existing one is the current one, ok
    {
      //Check the expression validity by parsing it
      $priceparser = new PriceParser($db);
      $price_result = $priceparser->testExpression($id, $expression);
      if ($price_result < 0) { //Expression is not valid
        setEventMessages($priceparser->translatedError(), null, 'errors');
      } else {
        $price_expression->id = $eid;
        $price_expression->title = $title;
        $price_expression->expression = $expression;
        $result = $price_expression->update($user);
        if ($result < 0)
        {
          setEventMessages("update: ".$price_expression->error, $price_expression->errors, 'errors');
        } else {
          setEventMessages($langs->trans("RecordSaved"), null, 'mesgs');
        }
      }
    } elseif ($result < 0)
    {
      setEventMessages("update find: ".$price_expression->error, $price_expression->errors, 'errors');
    } else {
      setEventMessages($langs->trans("ErrorRecordAlreadyExists"), null, 'errors');
    }
  }
}

if ($action == 'delete')
{
  if ($eid != 0)
  {
    $price_expression->fetch($eid);
    $result = $price_expression->delete($user);
    if ($result < 0)
    {
      setEventMessages("delete: ".$price_expression->error, $price_expression->errors, 'errors');
    }
    $eid = 0;
  }
}


/*
 * View
 */

$form = new Form($db);

llxHeader("", "", $langs->trans("CardProduct".$product->type));

print load_fiche_titre($langs->trans("PriceExpressionEditor"));

//Form/Table
print '<form action="'.$_SERVER['PHP_SELF'].'?id='.$id.'&amp;tab='.$tab.'&amp;eid='.$eid.'" method="POST">';
print '<input type="hidden" name="token" value="'.newToken().'">';
print '<input type="hidden" name="action" value='.($eid == 0 ? 'add' : 'update').'>';

print dol_get_fiche_head();

print '<table class="border centpercent">';

// Price expression selector
print '<tr><td class="titlefield fieldrequired">'.$langs->trans("PriceExpressionSelected").'</td><td>';
$price_expression_list = array(0 => $langs->trans("New")); //Put the new as first option
foreach ($price_expression->list_price_expression() as $entry) {
  $price_expression_list[$entry->id] = $entry->title;
}
print $form->selectarray('expression_selection', $price_expression_list, $eid);
print '</td></tr>';

// Title input
print '<tr><td class="fieldrequired">'.$langs->trans("Name").'</td><td>';
print '<input class="flat" name="expression_title" size="15" value="'.($price_expression->title ? $price_expression->title : '').'">';
print '</td></tr>';

//Help text
$help_text = $langs->trans("PriceExpressionEditorHelp1");
$help_text .= '<br><br>'.$langs->trans("PriceExpressionEditorHelp2");
$help_text .= '<br><br>'.$langs->trans("PriceExpressionEditorHelp3");
$help_text .= '<br><br>'.$langs->trans("PriceExpressionEditorHelp4");
$help_text .= '<br><br>'.$langs->trans("PriceExpressionEditorHelp5");
foreach ($price_globals->listGlobalVariables() as $entry) {
  $help_text .= '<br><b>#globals_'.$entry->code.'#</b> '.$entry->description.' = '.$entry->value;
}

//Price expression editor
print '<tr><td class="fieldrequired">'.$form->textwithpicto($langs->trans("PriceExpressionEditor"), $help_text, 1).'</td><td>';
require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
$doleditor = new DolEditor('expression', isset($price_expression->expression) ? $price_expression->expression : '', '', 300, '', '', false, false, false, ROWS_4, '90%');
$doleditor->Create();
print '</td></tr>';
print '</table>';

print dol_get_fiche_end();

//Buttons
print '<div class="center">';
print '<input type="submit" class="butAction button-save" value="'.$langs->trans("Save").'">';
print '<span id="back" class="butAction">'.$langs->trans("Back").'</span>';
if ($eid == 0)
{
  print '<div class="inline-block divButAction"><span id="action-delete" class="butActionRefused classfortooltip">'.$langs->trans('Delete').'</span></div>'."\n";
} else {
  print '<div class="inline-block divButAction"><a class="butActionDelete" href="'.$_SERVER["PHP_SELF"].'?id='.$id.'&amp;tab='.$tab.'&amp;eid='.$eid.'&amp;action=delete&amp;token='.newToken().'">'.$langs->trans("Delete").'</a></div>';
}
print '</div>';

print '</form>';

// This code reloads the page depending of selected option, goes to page selected by tab when back is pressed
print '<script type="text/javascript">
  jQuery(document).ready(run);
  function run() {
    jQuery("#back").click(on_click);
    jQuery("#expression_selection").change(on_change);
  }
  function on_click() {
    window.location = "'.str_replace('dynamic_price/editor.php', $tab.'.php', $_SERVER["PHP_SELF"]).'?id='.$id.($tab == 'price' ? '&action=edit_price' : '').'";
  }
  function on_change() {
    window.location = "'.$_SERVER["PHP_SELF"].'?id='.$id.'&tab='.$tab.'&eid=" + $("#expression_selection").val();
  }
</script>';

// End of page
llxFooter();
$db->close();