<?php
/* Copyright (C) 2006-2012	Laurent Destailleur	<eldy@users.sourceforge.net>
 * Copyright (C) 2009-2012	Regis Houssin		<regis.houssin@inodbox.com>
 * Copyright (C) 2012      Christophe Battarel  <christophe.battarel@altairis.fr>
 * Copyright (C) 2012-2016 Juanjo Menent		<jmenent@2byte.es>
 *
 * 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/
 */

/**
 *		\file       htdocs/core/modules/import/import_xlsx.modules.php
 *		\ingroup    import
 *		\brief      File to load import files with Excel format
 */

require_once DOL_DOCUMENT_ROOT .'/core/modules/import/modules_import.php';


/**
 *	Class to import Excel files
 */
class ImportXlsx extends ModeleImports
{
    /**
     * @var DoliDB Database handler.
     */
    public $db;

    public $datatoimport;

    /**
	 * @var string Error code (or message)
	 */
	public $error='';

	/**
	 * @var string[] Error codes (or messages)
	 */
	public $errors = array();

    /**
	 * @var int ID
	 */
	public $id;

	/**
     * @var string label
     */
    public $label;

	public $extension;    // Extension of files imported by driver

	/**
     * Dolibarr version of driver
     * @public string
     */
	public $version = 'dolibarr';

	public $label_lib;    // Label of external lib used by driver

	public $version_lib;  // Version of external lib used by driver

	public $separator;

    public $file;      // Path of file

	public $handle;    // Handle fichier

	public $cacheconvert=array();      // Array to cache list of value found after a convertion

	public $cachefieldtable=array();   // Array to cache list of value found into fields@tables

	public $workbook; // temporary import file

	public $record; // current record

	public $headers;


	/**
	 *	Constructor
	 *
	 *	@param	DoliDB		$db				Database handler
	 *	@param	string		$datatoimport	String code describing import set (ex: 'societe_1')
	 */
	function __construct($db,$datatoimport)
	{
		global $conf,$langs;
		$this->db = $db;

		// this is used as an extension from the example file code, so we have to put xlsx here !!!
		$this->id='xlsx';                // Same value as xxx in file name export_xxx.modules.php
		$this->label='Excel 2007';             // Label of driver
		$this->desc=$langs->trans("Excel2007FormatDesc");
		$this->extension='xlsx';         // Extension for generated file by this driver
		$this->picto='mime/xls';		// Picto (This is not used by the example file code as Mime type, too bad ...)
		$this->version='1.0';         // Driver version

		// If driver use an external library, put its name here
        require_once PHPEXCEL_PATH.'PHPExcel.php';
		require_once PHPEXCEL_PATH.'PHPExcel/Style/Alignment.php';
        if (! class_exists('ZipArchive')) // For Excel2007, PHPExcel need ZipArchive
        {
                $langs->load("errors");
                $this->error=$langs->trans('ErrorPHPNeedModule','zip');
                return -1;
        }
        $this->label_lib='PhpExcel';
        $this->version_lib='1.8.0';

		$this->datatoimport=$datatoimport;
		if (preg_match('/^societe_/',$datatoimport)) $this->thirpartyobject=new Societe($this->db);
	}


    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Output header of an example file for this format
	 *
	 * 	@param	Translate	$outputlangs		Output language
	 *  @return	string
	 */
	function write_header_example($outputlangs)
	{
        // phpcs:enable
        global $user,$conf,$langs;
        // create a temporary object, the final output will be generated in footer
        if (!empty($conf->global->MAIN_USE_FILECACHE_EXPORT_EXCEL_DIR)) {
            $cacheMethod = PHPExcel_CachedObjectStorageFactory::cache_to_discISAM;
            $cacheSettings = array (
                'dir' => $conf->global->MAIN_USE_FILECACHE_EXPORT_EXCEL_DIR
            );
            PHPExcel_Settings::setCacheStorageMethod($cacheMethod, $cacheSettings);
        }

        $this->workbook = new PHPExcel();
        $this->workbook->getProperties()->setCreator($user->getFullName($outputlangs).' - Dolibarr '.DOL_VERSION);
        $this->workbook->getProperties()->setTitle($outputlangs->trans("Import").' - '.$file);
        $this->workbook->getProperties()->setSubject($outputlangs->trans("Import").' - '.$file);
        $this->workbook->getProperties()->setDescription($outputlangs->trans("Import").' - '.$file);

        $this->workbook->setActiveSheetIndex(0);
        $this->workbook->getActiveSheet()->setTitle($outputlangs->trans("Sheet"));
        $this->workbook->getActiveSheet()->getDefaultRowDimension()->setRowHeight(16);

        return '';
    }

    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Output title line of an example file for this format
	 *
	 * 	@param	Translate	$outputlangs		Output language
	 *  @param	array		$headerlinefields	Array of fields name
	 * 	@return	string
	 */
	function write_title_example($outputlangs,$headerlinefields)
	{
        // phpcs:enable
		global $conf;
		$this->workbook->getActiveSheet()->getStyle('1')->getFont()->setBold(true);
		$this->workbook->getActiveSheet()->getStyle('1')->getAlignment()->setHorizontal(PHPExcel_Style_Alignment::HORIZONTAL_LEFT);

		$col = 0;
		foreach($headerlinefields as $field) {
			$this->workbook->getActiveSheet()->SetCellValueByColumnAndRow($col, 1, $outputlangs->transnoentities($field));
			// set autowidth
			//$this->workbook->getActiveSheet()->getColumnDimension($this->column2Letter($col + 1))->setAutoSize(true);
			$col++;
		}

		return ''; // final output will be generated in footer
	}

    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Output record of an example file for this format
	 *
	 * 	@param	Translate	$outputlangs		Output language
	 * 	@param	array		$contentlinevalues	Array of lines
	 * 	@return	string
	 */
	function write_record_example($outputlangs,$contentlinevalues)
	{
        // phpcs:enable
		$col = 0;
		$row = 2;
		foreach($contentlinevalues as $cell) {
			$this->workbook->getActiveSheet()->SetCellValueByColumnAndRow($col, $row, $cell);
			$col++;
		}

		return ''; // final output will be generated in footer
	}

    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Output footer of an example file for this format
	 *
	 * 	@param	Translate	$outputlangs		Output language
	 *  @return	string
	 */
	function write_footer_example($outputlangs)
	{
        // phpcs:enable
		// return the file content as a string
		$tempfile = tempnam(sys_get_temp_dir(), 'dol');
		$objWriter = new PHPExcel_Writer_Excel2007($this->workbook);
		$objWriter->save($tempfile);
		$this->workbook->disconnectWorksheets();
		unset($this->workbook);

		$content = file_get_contents($tempfile);
		unlink($tempfile);
		return $content;
	}



    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 *	Open input file
	 *
	 *	@param	string	$file		Path of filename
	 *	@return	int					<0 if KO, >=0 if OK
	 */
	function import_open_file($file)
	{
        // phpcs:enable
		global $langs;
		$ret=1;

		dol_syslog(get_class($this)."::open_file file=".$file);

		$reader = new PHPExcel_Reader_Excel2007();
		$this->workbook = $reader->load($file);
		$this->record = 1;
		$this->file = $file;

		return $ret;
	}


    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Return nb of records. File must be closed.
	 *
	 *	@param	string	$file		Path of filename
	 * 	@return		int		<0 if KO, >=0 if OK
	 */
	function import_get_nb_of_lines($file)
	{
        // phpcs:enable
		$reader = new PHPExcel_Reader_Excel2007();
		$this->workbook = $reader->load($file);

		$rowcount = $this->workbook->getActiveSheet()->getHighestDataRow();

		$this->workbook->disconnectWorksheets();
		unset($this->workbook);

		return $rowcount;
	}


    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Input header line from file
	 *
	 * 	@return		int		<0 if KO, >=0 if OK
	 */
	function import_read_header()
	{
        // phpcs:enable
		// This is not called by the import code !!!
		$this->headers = array();
		$colcount = PHPExcel_Cell::columnIndexFromString($this->workbook->getActiveSheet()->getHighestDataColumn());
		for($col=0;$col<$colcount;$col++) {
			$this->headers[$col] = $this->workbook->getActiveSheet()->getCellByColumnAndRow($col, 1)->getValue();
		}
		return 0;
	}


    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Return array of next record in input file.
	 *
	 * 	@return		Array		Array of field values. Data are UTF8 encoded. [fieldpos] => (['val']=>val, ['type']=>-1=null,0=blank,1=not empty string)
	 */
	function import_read_record()
	{
        // phpcs:enable
		global $conf;

		$rowcount = $this->workbook->getActiveSheet()->getHighestDataRow();
		if($this->record > $rowcount)
			return false;
		$array = array();
		$colcount = PHPExcel_Cell::columnIndexFromString($this->workbook->getActiveSheet()->getHighestDataColumn(0));
		for($col=0;$col<$colcount;$col++) {
			$val = $this->workbook->getActiveSheet()->getCellByColumnAndRow($col, $this->record)->getValue();
			$array[$col]['val'] = $val;
			$array[$col]['type'] = (dol_strlen($val)?1:-1); // If empty we consider it null
		}
		$this->record++;
		return $array;
	}

    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * 	Close file handle
	 *
	 *  @return	integer
	 */
	function import_close_file()
	{
        // phpcs:enable
		$this->workbook->disconnectWorksheets();
		unset($this->workbook);
	}


    // What is this doing here ? it is common to all imports, is should be in the parent class
    // phpcs:disable PEAR.NamingConventions.ValidFunctionName.NotCamelCaps
	/**
	 * Insert a record into database
	 *
	 * @param	array	$arrayrecord					Array of read values: [fieldpos] => (['val']=>val, ['type']=>-1=null,0=blank,1=string), [fieldpos+1]...
	 * @param	array	$array_match_file_to_database	Array of target fields where to insert data: [fieldpos] => 's.fieldname', [fieldpos+1]...
	 * @param 	Object	$objimport						Object import (contains objimport->array_import_tables, objimport->array_import_fields, objimport->array_import_convertvalue, ...)
	 * @param	int		$maxfields						Max number of fields to use
	 * @param	string	$importid						Import key
	 * @param	array	$updatekeys						Array of keys to use to try to do an update first before insert. This field are defined into the module descriptor.
	 * @return	int										<0 if KO, >0 if OK
	 */
	function import_insert($arrayrecord,$array_match_file_to_database,$objimport,$maxfields,$importid,$updatekeys)
	{
        // phpcs:enable
		global $langs,$conf,$user;
        global $thirdparty_static;    	// Specific to thirdparty import
		global $tablewithentity_cache;	// Cache to avoid to call  desc at each rows on tables

		$error=0;
		$warning=0;
		$this->errors=array();
		$this->warnings=array();

		//dol_syslog("import_csv.modules maxfields=".$maxfields." importid=".$importid);

		//var_dump($array_match_file_to_database);
		//var_dump($arrayrecord);
		$array_match_database_to_file=array_flip($array_match_file_to_database);
		$sort_array_match_file_to_database=$array_match_file_to_database;
		ksort($sort_array_match_file_to_database);

		//var_dump($sort_array_match_file_to_database);

		if (count($arrayrecord) == 0 || (count($arrayrecord) == 1 && empty($arrayrecord[0]['val'])))
		{
			//print 'W';
			$this->warnings[$warning]['lib']=$langs->trans('EmptyLine');
			$this->warnings[$warning]['type']='EMPTY';
			$warning++;
		}
		else
		{
			$last_insert_id_array = array(); // store the last inserted auto_increment id for each table, so that dependent tables can be inserted with the appropriate id (eg: extrafields fk_object will be set with the last inserted object's id)
			$updatedone = false;
			$insertdone = false;
			// For each table to insert, me make a separate insert
			foreach($objimport->array_import_tables[0] as $alias => $tablename)
			{
				// Build sql request
				$sql='';
				$listfields=array();
				$listvalues=array();
				$i=0;
				$errorforthistable=0;

				// Define $tablewithentity_cache[$tablename] if not already defined
				if (! isset($tablewithentity_cache[$tablename]))	// keep this test with "isset"
				{
					dol_syslog("Check if table ".$tablename." has an entity field");
					$resql=$this->db->DDLDescTable($tablename,'entity');
					if ($resql)
					{
						$obj=$this->db->fetch_object($resql);
						if ($obj) $tablewithentity_cache[$tablename]=1;		// table contains entity field
						else $tablewithentity_cache[$tablename]=0;			// table does not contains entity field
					}
					else dol_print_error($this->db);
				}
				else
				{
					//dol_syslog("Table ".$tablename." check for entity into cache is ".$tablewithentity_cache[$tablename]);
				}


				// Loop on each fields in the match array: $key = 1..n, $val=alias of field (s.nom)
				foreach($sort_array_match_file_to_database as $key => $val)
				{
				    $fieldalias=preg_replace('/\..*$/i','',$val);
				    $fieldname=preg_replace('/^.*\./i','',$val);

				    if ($alias != $fieldalias) continue;    // Not a field of current table

					if ($key <= $maxfields)
					{
						// Set $newval with value to insert and set $listvalues with sql request part for insert
						$newval='';
						if ($arrayrecord[($key-1)]['type'] > 0) $newval=$arrayrecord[($key-1)]['val'];    // If type of field into input file is not empty string (so defined into input file), we get value

						// Make some tests on $newval

						// Is it a required field ?
						if (preg_match('/\*/',$objimport->array_import_fields[0][$val]) && ((string) $newval==''))
						{
							$this->errors[$error]['lib']=$langs->trans('ErrorMissingMandatoryValue',$key);
							$this->errors[$error]['type']='NOTNULL';
							$errorforthistable++;
							$error++;
						}
						// Test format only if field is not a missing mandatory field (field may be a value or empty but not mandatory)
						else
						{
						    // We convert field if required
						    if (! empty($objimport->array_import_convertvalue[0][$val]))
						    {
                                //print 'Must convert '.$newval.' with rule '.join(',',$objimport->array_import_convertvalue[0][$val]).'. ';
                                if ($objimport->array_import_convertvalue[0][$val]['rule']=='fetchidfromcodeid'
                                	|| $objimport->array_import_convertvalue[0][$val]['rule']=='fetchidfromref'
                                	|| $objimport->array_import_convertvalue[0][$val]['rule']=='fetchidfromcodeorlabel'
                                	)
                                {
                                    // New val can be an id or ref. If it start with id: it is forced to id, if it start with ref: it is forced to ref. It not, we try to guess.
                                    $isidorref='id';
                                    if (! is_numeric($newval) && $newval != '' && ! preg_match('/^id:/i',$newval)) $isidorref='ref';
                                    $newval=preg_replace('/^(id|ref):/i','',$newval);    // Remove id: or ref: that was used to force if field is id or ref
                                    //print 'Val is now '.$newval.' and is type '.$isidorref."<br>\n";

                                    if ($isidorref == 'ref')    // If value into input import file is a ref, we apply the function defined into descriptor
                                    {
                                        $file=(empty($objimport->array_import_convertvalue[0][$val]['classfile'])?$objimport->array_import_convertvalue[0][$val]['file']:$objimport->array_import_convertvalue[0][$val]['classfile']);
                                        $class=$objimport->array_import_convertvalue[0][$val]['class'];
                                        $method=$objimport->array_import_convertvalue[0][$val]['method'];
                                        if ($this->cacheconvert[$file.'_'.$class.'_'.$method.'_'][$newval] != '')
                                        {
                                        	$newval=$this->cacheconvert[$file.'_'.$class.'_'.$method.'_'][$newval];
                                        }
                                        else
										{
                                            $resultload = dol_include_once($file);
                                            if (empty($resultload))
                                            {
                                                dol_print_error('', 'Error trying to call file='.$file.', class='.$class.', method='.$method);
                                                break;
                                            }
                                            $classinstance=new $class($this->db);
                                            // Try the fetch from code or ref
                                            call_user_func_array(array($classinstance, $method),array('', $newval));
                                            // If not found, try the fetch from label
                                            if (! ($classinstance->id != '') && $objimport->array_import_convertvalue[0][$val]['rule']=='fetchidfromcodeorlabel')
                                            {
												call_user_func_array(array($classinstance, $method),array('', '', $newval));
                                            }
                                            $this->cacheconvert[$file.'_'.$class.'_'.$method.'_'][$newval]=$classinstance->id;
                                            //print 'We have made a '.$class.'->'.$method.' to get id from code '.$newval.'. ';
                                            if ($classinstance->id != '')	// id may be 0, it is a found value
                                            {
                                                $newval=$classinstance->id;
                                            }
                                            else
                                            {
                                                if (!empty($objimport->array_import_convertvalue[0][$val]['dict'])) $this->errors[$error]['lib']=$langs->trans('ErrorFieldValueNotIn',$key,$newval,'code',$langs->transnoentitiesnoconv($objimport->array_import_convertvalue[0][$val]['dict']));
                                                else if (!empty($objimport->array_import_convertvalue[0][$val]['element'])) $this->errors[$error]['lib']=$langs->trans('ErrorFieldRefNotIn',$key,$newval,$langs->transnoentitiesnoconv($objimport->array_import_convertvalue[0][$val]['element']));
                                                else $this->errors[$error]['lib']='ErrorFieldValueNotIn';
                                                $this->errors[$error]['type']='FOREIGNKEY';
                                                $errorforthistable++;
                                                $error++;
                                            }
                                        }
                                    }
                                }
                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='zeroifnull')
                                {
                                    if (empty($newval)) $newval='0';
                                }
                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='getcustomercodeifauto')
                                {
                                    if (strtolower($newval) == 'auto')
                                    {
                                        $this->thirpartyobject->get_codeclient(0,0);
                                        $newval=$this->thirpartyobject->code_client;
                                        //print 'code_client='.$newval;
                                    }
                                    if (empty($newval)) $arrayrecord[($key-1)]['type']=-1;	// If we get empty value, we will use "null"
                                }
                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='getsuppliercodeifauto')
                                {
                                    if (strtolower($newval) == 'auto')
                                    {
                                        $newval=$this->thirpartyobject->get_codefournisseur(0,1);
                                        $newval=$this->thirpartyobject->code_fournisseur;
                                        //print 'code_fournisseur='.$newval;
                                    }
                                    if (empty($newval)) $arrayrecord[($key-1)]['type']=-1;	// If we get empty value, we will use "null"
                                }
                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='getcustomeraccountancycodeifauto')
                                {
                                    if (strtolower($newval) == 'auto')
                                    {
                                        $this->thirpartyobject->get_codecompta('customer');
                                        $newval=$this->thirpartyobject->code_compta;
                                        //print 'code_compta='.$newval;
                                    }
                                    if (empty($newval)) $arrayrecord[($key-1)]['type']=-1;	// If we get empty value, we will use "null"
                                }
                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='getsupplieraccountancycodeifauto')
                                {
                                    if (strtolower($newval) == 'auto')
                                    {
                                        $this->thirpartyobject->get_codecompta('supplier');
                                        $newval=$this->thirpartyobject->code_compta_fournisseur;
                                        if (empty($newval)) $arrayrecord[($key-1)]['type']=-1;	// If we get empty value, we will use "null"
                                        //print 'code_compta_fournisseur='.$newval;
                                    }
                                    if (empty($newval)) $arrayrecord[($key-1)]['type']=-1;	// If we get empty value, we will use "null"
                                }
                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='getrefifauto')
                                {
                                    $defaultref='';
                                    // TODO provide the $modTask (module of generation of ref) as parameter of import_insert function
                                    $obj = empty($conf->global->PROJECT_TASK_ADDON)?'mod_task_simple':$conf->global->PROJECT_TASK_ADDON;
                                    if (! empty($conf->global->PROJECT_TASK_ADDON) && is_readable(DOL_DOCUMENT_ROOT ."/core/modules/project/task/".$conf->global->PROJECT_TASK_ADDON.".php"))
                                    {
                                        require_once DOL_DOCUMENT_ROOT ."/core/modules/project/task/".$conf->global->PROJECT_TASK_ADDON.'.php';
                                        $modTask = new $obj;
                                        $defaultref = $modTask->getNextValue(null,null);
                                    }
                                    if (is_numeric($defaultref) && $defaultref <= 0) $defaultref='';
                                    $newval=$defaultref;
                                }


                                elseif ($objimport->array_import_convertvalue[0][$val]['rule']=='numeric')
                                {
                                    $newval = price2num($newval);
                                }

                                //print 'Val to use as insert is '.$newval.'<br>';
						    }

						    // Test regexp
							if (! empty($objimport->array_import_regex[0][$val]) && ($newval != ''))
							{
								// If test is "Must exist in a field@table"
								if (preg_match('/^(.*)@(.*)$/',$objimport->array_import_regex[0][$val],$reg))
								{
									$field=$reg[1];
									$table=$reg[2];

									// Load content of field@table into cache array
									if (! is_array($this->cachefieldtable[$field.'@'.$table])) // If content of field@table not already loaded into cache
									{
										$sql="SELECT ".$field." as aliasfield FROM ".$table;
										$resql=$this->db->query($sql);
										if ($resql)
										{
											$num=$this->db->num_rows($resql);
											$i=0;
											while ($i < $num)
											{
												$obj=$this->db->fetch_object($resql);
												if ($obj) $this->cachefieldtable[$field.'@'.$table][]=$obj->aliasfield;
												$i++;
											}
										}
										else
										{
											dol_print_error($this->db);
										}
									}

									// Now we check cache is not empty (should not) and key is into cache
									if (! is_array($this->cachefieldtable[$field.'@'.$table]) || ! in_array($newval,$this->cachefieldtable[$field.'@'.$table]))
									{
										$this->errors[$error]['lib']=$langs->transnoentitiesnoconv('ErrorFieldValueNotIn',$key,$newval,$field,$table);
										$this->errors[$error]['type']='FOREIGNKEY';
									    $errorforthistable++;
										$error++;
									}
								}
								// If test is just a static regex
								else if (! preg_match('/'.$objimport->array_import_regex[0][$val].'/i',$newval))
								{
								    //if ($key == 19) print "xxx".$newval."zzz".$objimport->array_import_regex[0][$val]."<br>";
									$this->errors[$error]['lib']=$langs->transnoentitiesnoconv('ErrorWrongValueForField',$key,$newval,$objimport->array_import_regex[0][$val]);
									$this->errors[$error]['type']='REGEX';
									$errorforthistable++;
									$error++;
								}
							}

							// Other tests
							// ...
						}

						// Define $listfields and $listvalues to build SQL request
						$listfields[] = $fieldname;

						// Note: arrayrecord (and 'type') is filled with ->import_read_record called by import.php page before calling import_insert
						if (empty($newval) && $arrayrecord[($key-1)]['type'] < 0)		 $listvalues[] = ($newval=='0'?$newval:"null");
						elseif (empty($newval) && $arrayrecord[($key-1)]['type'] == 0)	 $listvalues[] = "''";
						else															 $listvalues[] = "'".$this->db->escape($newval)."'";
					}
					$i++;
				}

				// We add hidden fields (but only if there is at least one field to add into table)
				if (!empty($listfields) && is_array($objimport->array_import_fieldshidden[0]))
				{
    				// Loop on each hidden fields to add them into listfields/listvalues
				    foreach($objimport->array_import_fieldshidden[0] as $key => $val)
    				{
    				    if (! preg_match('/^'.preg_quote($alias).'\./', $key)) continue;    // Not a field of current table
    				    if ($val == 'user->id')
    				    {
    				        $listfields[] = preg_replace('/^'.preg_quote($alias).'\./','',$key);
    				        $listvalues[] = $user->id;
    				    }
    				    elseif (preg_match('/^lastrowid-/',$val))
    				    {
    				        $tmp=explode('-',$val);
    				        $lastinsertid=(isset($last_insert_id_array[$tmp[1]]))?$last_insert_id_array[$tmp[1]]:0;
							$keyfield = preg_replace('/^'.preg_quote($alias).'\./','',$key);
    				        $listfields[] = $keyfield;
                            $listvalues[] = $lastinsertid;
    				        //print $key."-".$val."-".$listfields."-".$listvalues."<br>";exit;
    				    }
    				}
				}
				//print 'listfields='.$listfields.'<br>listvalues='.$listvalues.'<br>';

				// If no error for this $alias/$tablename, we have a complete $listfields and $listvalues that are defined
				// so we can try to make the insert or update now.
				if (! $errorforthistable)
				{
					//print "$alias/$tablename/$listfields/$listvalues<br>";
					if (!empty($listfields))
					{
						$updatedone = false;
						$insertdone = false;
						if (!empty($updatekeys)) {
							// We do SELECT to get the rowid, if we already have the rowid, it's to be used below for related tables (extrafields)

							if (empty($lastinsertid)) {	// No insert done yet for a parent table
								$sqlSelect = 'SELECT rowid FROM '.$tablename;

								$data = array_combine($listfields, $listvalues);
								$where = array();
								$filters = array();
								foreach ($updatekeys as $key) {
									$col = $objimport->array_import_updatekeys[0][$key];
									$key=preg_replace('/^.*\./i','',$key);
									$where[] = $key.' = '.$data[$key];
									$filters[] = $col.' = '.$data[$key];
								}
								$sqlSelect.= ' WHERE '.implode(' AND ', $where);

								$resql=$this->db->query($sqlSelect);
								if($resql) {
									$res = $this->db->fetch_object($resql);
									if($resql->num_rows == 1) {
										$lastinsertid = $res->rowid;
										$last_insert_id_array[$tablename] = $lastinsertid;
									} else if($resql->num_rows > 1) {
										$this->errors[$error]['lib']=$langs->trans('MultipleRecordFoundWithTheseFilters', implode($filters, ', '));
										$this->errors[$error]['type']='SQL';
										$error++;
									} else {
										// No record found with filters, insert will be tried below
									}
								}
								else
								{
									//print 'E';
									$this->errors[$error]['lib']=$this->db->lasterror();
									$this->errors[$error]['type']='SQL';
									$error++;
								}
							} else {
								// We have a last INSERT ID. Check if we have a row referencing this foreign key.
								// This is required when updating table with some extrafields. When inserting a record in parent table, we can make
								// a direct insert into subtable extrafields, but when me wake an update, the insertid is defined and the child record
								// may already exists. So we rescan the extrafield table to know if record exists or not for the rowid.
								// Note: For extrafield tablename, we have in importfieldshidden_array an enty 'extra.fk_object'=>'lastrowid-tableparent' so $keyfield is 'fk_object'
								$sqlSelect = 'SELECT rowid FROM '.$tablename;

								if(empty($keyfield)) $keyfield = 'rowid';
								$sqlSelect .= ' WHERE '.$keyfield.' = '.$lastinsertid;

								$resql=$this->db->query($sqlSelect);
								if($resql) {
									$res = $this->db->fetch_object($resql);
									if($resql->num_rows == 1) {
										// We have a row referencing this last foreign key, continue with UPDATE.
									} else {
										// No record found referencing this last foreign key,
										// force $lastinsertid to 0 so we INSERT below.
										$lastinsertid = 0;
									}
								}
								else
								{
									//print 'E';
									$this->errors[$error]['lib']=$this->db->lasterror();
									$this->errors[$error]['type']='SQL';
									$error++;
								}
							}

							if (!empty($lastinsertid)) {
								// Build SQL UPDATE request
								$sqlstart = 'UPDATE '.$tablename;

								$data = array_combine($listfields, $listvalues);
								$set = array();
								foreach ($data as $key => $val) {
									$set[] = $key.' = '.$val;
								}
								$sqlstart.= ' SET '.implode(', ', $set);

								if(empty($keyfield)) $keyfield = 'rowid';
								$sqlend = ' WHERE '.$keyfield.' = '.$lastinsertid;

								$sql = $sqlstart.$sqlend;

								// Run update request
								$resql=$this->db->query($sql);
								if($resql) {
									// No error, update has been done. $this->db->db->affected_rows can be 0 if data hasn't changed
									$updatedone = true;
								}
								else
								{
									//print 'E';
									$this->errors[$error]['lib']=$this->db->lasterror();
									$this->errors[$error]['type']='SQL';
									$error++;
								}
							}
						}

						// Update not done, we do insert
						if (!$error && !$updatedone) {
							// Build SQL INSERT request
							$sqlstart = 'INSERT INTO '.$tablename.'('.implode(', ', $listfields).', import_key';
							$sqlend = ') VALUES('.implode(', ', $listvalues).", '".$importid."'";
							if (! empty($tablewithentity_cache[$tablename])) {
								$sqlstart.= ', entity';
								$sqlend.= ', '.$conf->entity;
							}
							if (! empty($objimport->array_import_tables_creator[0][$alias])) {
								$sqlstart.= ', '.$objimport->array_import_tables_creator[0][$alias];
								$sqlend.=', '.$user->id;
							}
							$sql = $sqlstart.$sqlend.')';
							dol_syslog("import_xlsx.modules", LOG_DEBUG);

							// Run insert request
							if ($sql)
							{
								$resql=$this->db->query($sql);
								if ($resql)
								{
								    $last_insert_id_array[$tablename] = $this->db->last_insert_id($tablename); // store the last inserted auto_increment id for each table, so that child tables can be inserted with the appropriate id. This must be done just after the INSERT request, else we risk losing the id (because another sql query will be issued somewhere in Dolibarr).
								    $insertdone = true;
								}
								else
								{
									//print 'E';
									$this->errors[$error]['lib']=$this->db->lasterror();
									$this->errors[$error]['type']='SQL';
									$error++;
								}
							}
						}
					}
					/*else
					{
						dol_print_error('','ErrorFieldListEmptyFor '.$alias."/".$tablename);
					}*/
				}

			    if ($error) break;
			}

			if($updatedone) $this->nbupdate++;
			if($insertdone) $this->nbinsert++;
		}

		return 1;
	}
}
