How to Add Bar-code Scanning Instead of Item Code in Frontaccounting

How to Add Bar-code Scanning Instead of Item Code in Frontaccounting?.  While upgrading frontaccounting with your Company items, this is one of the best way to scan the item codes from the bar code. Which is more convenient and bug-free thing too. just do the following steps to enable  Barcode scanner instead of the item codes entry box.

All your items management will be deals with the inventory. So just open the inventory folder and followed by manage/items.php. 

Here you have a text_row function for manual entry for item codes. Just change it with bar code scanner code.

Here just find the following line of code in items.php file

text_row(_("Item Code:"), 'NewStockID', null, 21, 20);

Just replace this line with the following code

$tmpBarcodeID="";
	 if ( $_POST['generateBarcode'] )
	      {
	      $tmpBarcodeID=generateBarcode();
              $_POST['NewStockID'] = $tmpBarcodeID;
        }
	 text_row(_("Item Code:"), 'NewStockID', $tmpBarcodeID, 21, 20);
	 echo '<tr><td colspan=3>
	<button class="ajaxsubmit" type="submit"aspect=\'default\'  name="generateBarcode"  id="generateBarcode" value="Generate Barcode EAN8">
   <span>Kv Generate Barcode</span></button></td></tr>';

and than, one more work . just find the following line of code to change it

 end_page(@$_REQUEST['popup']);

This is the last line of code, just copy the below code and paste it above the end line code .

function generateBarcode() {
   		$tmpBarcodeID = "";
   		$tmpCountTrys = 0;
		  while ($tmpBarcodeID == "")	{
  			srand ((double) microtime( )*1000000);
  			$random_1  = rand(1,9);
  			$random_2  = rand(0,9);
  			$random_3  = rand(0,9);
  			$random_4  = rand(0,9);
  			$random_5  = rand(0,9);
  			$random_6  = rand(0,9);
  			$random_7  = rand(0,9);
  			//$random_8  = rand(0,9);

	                // http://stackoverflow.com/questions/1136642/ean-8-how-to-calculate-checksum-digit
  			$sum1 = $random_2 + $random_4 + $random_6; 
                        $sum2 = 3 * ($random_1  + $random_3  + $random_5  + $random_7 );
                        $checksum_value = $sum1 + $sum2;

                        $checksum_digit = 10 - ($checksum_value % 10);
                        if ($checksum_digit == 10) 
                            $checksum_digit = 0;
    
  			$random_8  = $checksum_digit;
  		
  			$tmpBarcodeID = $random_1 . $random_2 . $random_3 . $random_4 . $random_5 . $random_6 . $random_7 . $random_8;

  			// LETS CHECK TO SEE IF THIS NUMBER HAS EVER BEEN USED
        $query = "select stock_id from 0_stock_master where stock_id='" . $tmpBarcodeID . "'";
        $arr_stock = db_fetch(db_query($query));
	      
	      if (  !$arr_stock['stock_id'] ) {
	            return $tmpBarcodeID;
	          }
	        $tmpBarcodeID = "";	 
      	}  		
    }

This is a random Item code generation. May be this will conflict in future. Keep avoid using random item  codes.

Here is the complete code for your reference,

<?php
/**********************************************************************
    Copyright (C) FrontAccounting, LLC.
	Released under the terms of the GNU General Public License, GPL, 
	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 License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
$page_security = 'SA_ITEM';
$path_to_root = "../..";
include($path_to_root . "/includes/session.inc");
$js = "";
if ($use_popup_windows)
	$js .= get_js_open_window(900, 500);
if ($use_date_picker)
	$js .= get_js_date_picker();
	
page(_($help_context = "Items"), @$_REQUEST['popup'], false, "", $js);

include_once($path_to_root . "/includes/date_functions.inc");
include_once($path_to_root . "/includes/ui.inc");
include_once($path_to_root . "/includes/data_checks.inc");

include_once($path_to_root . "/inventory/includes/inventory_db.inc");

$user_comp = user_company();
$new_item = get_post('stock_id')=='' || get_post('cancel') || get_post('clone'); 
//------------------------------------------------------------------------------------

if (isset($_GET['stock_id']))
{
	$_POST['stock_id'] = $_GET['stock_id'];
}
$stock_id = get_post('stock_id');
if (list_updated('stock_id')) {
	$_POST['NewStockID'] = $stock_id = get_post('stock_id');
    clear_data();
	$Ajax->activate('details');
	$Ajax->activate('controls');
}

if (get_post('cancel')) {
	$_POST['NewStockID'] = $stock_id = $_POST['stock_id'] = '';
    clear_data();
	set_focus('stock_id');
	$Ajax->activate('_page_body');
}
if (list_updated('category_id') || list_updated('mb_flag')) {
	$Ajax->activate('details');
}
$upload_file = "";
if (isset($_FILES['pic']) && $_FILES['pic']['name'] != '') 
{
	$stock_id = $_POST['NewStockID'];
	$result = $_FILES['pic']['error'];
 	$upload_file = 'Yes'; //Assume all is well to start off with
	$filename = company_path().'/images';
	if (!file_exists($filename))
	{
		mkdir($filename);
	}	
	$filename .= "/".item_img_name($stock_id).".jpg";
	
	//But check for the worst 
	if ((list($width, $height, $type, $attr) = getimagesize($_FILES['pic']['tmp_name'])) !== false)
		$imagetype = $type;
	else
		$imagetype = false;
	//$imagetype = exif_imagetype($_FILES['pic']['tmp_name']);
	if ($imagetype != IMAGETYPE_GIF && $imagetype != IMAGETYPE_JPEG && $imagetype != IMAGETYPE_PNG)
	{	//File type Check
		display_warning( _('Only graphics files can be uploaded'));
		$upload_file ='No';
	}
	elseif (!in_array(strtoupper(substr(trim($_FILES['pic']['name']), strlen($_FILES['pic']['name']) - 3)), array('JPG','PNG','GIF')))
	{
		display_warning(_('Only graphics files are supported - a file extension of .jpg, .png or .gif is expected'));
		$upload_file ='No';
	} 
	elseif ( $_FILES['pic']['size'] > ($max_image_size * 1024)) 
	{ //File Size Check
		display_warning(_('The file size is over the maximum allowed. The maximum size allowed in KB is') . ' ' . $max_image_size);
		$upload_file ='No';
	} 
	elseif (file_exists($filename))
	{
		$result = unlink($filename);
		if (!$result) 
		{
			display_error(_('The existing image could not be removed'));
			$upload_file ='No';
		}
	}
	
	if ($upload_file == 'Yes')
	{
		$result  =  move_uploaded_file($_FILES['pic']['tmp_name'], $filename);
	}
	$Ajax->activate('details');
 /* EOF Add Image upload for New Item  - by Ori */
}

check_db_has_stock_categories(_("There are no item categories defined in the system. At least one item category is required to add a item."));

check_db_has_item_tax_types(_("There are no item tax types defined in the system. At least one item tax type is required to add a item."));

function clear_data()
{
	unset($_POST['long_description']);
	unset($_POST['description']);
	unset($_POST['category_id']);
	unset($_POST['tax_type_id']);
	unset($_POST['units']);
	unset($_POST['mb_flag']);
	unset($_POST['NewStockID']);
	unset($_POST['dimension_id']);
	unset($_POST['dimension2_id']);
	unset($_POST['no_sale']);
}

//------------------------------------------------------------------------------------

if (isset($_POST['addupdate'])) 
{

	$input_error = 0;
	if ($upload_file == 'No')
		$input_error = 1;
	if (strlen($_POST['description']) == 0) 
	{
		$input_error = 1;
		display_error( _('The item name must be entered.'));
		set_focus('description');
	} 
	elseif (strlen($_POST['NewStockID']) == 0) 
	{
		$input_error = 1;
		display_error( _('The item code cannot be empty'));
		set_focus('NewStockID');
	}
	elseif (strstr($_POST['NewStockID'], " ") || strstr($_POST['NewStockID'],"'") || 
		strstr($_POST['NewStockID'], "+") || strstr($_POST['NewStockID'], "\"") || 
		strstr($_POST['NewStockID'], "&") || strstr($_POST['NewStockID'], "\t")) 
	{
		$input_error = 1;
		display_error( _('The item code cannot contain any of the following characters -  & + OR a space OR quotes'));
		set_focus('NewStockID');

	}
	elseif ($new_item && db_num_rows(get_item_kit($_POST['NewStockID'])))
	{
		  	$input_error = 1;
      		display_error( _("This item code is already assigned to stock item or sale kit."));
			set_focus('NewStockID');
	}
	
	if ($input_error != 1)
	{
		if (check_value('del_image'))
		{
			$filename = company_path().'/images/'.item_img_name($_POST['NewStockID']).".jpg";
			if (file_exists($filename))
				unlink($filename);
		}
		
		if (!$new_item) 
		{ /*so its an existing one */
			update_item($_POST['NewStockID'], $_POST['description'],
				$_POST['long_description'], $_POST['category_id'], 
				$_POST['tax_type_id'], get_post('units'),
				get_post('mb_flag'), $_POST['sales_account'],
				$_POST['inventory_account'], $_POST['cogs_account'],
				$_POST['adjustment_account'], $_POST['assembly_account'], 
				$_POST['dimension_id'], $_POST['dimension2_id'],
				check_value('no_sale'), check_value('editable'));
			update_record_status($_POST['NewStockID'], $_POST['inactive'],
				'stock_master', 'stock_id');
			update_record_status($_POST['NewStockID'], $_POST['inactive'],
				'item_codes', 'item_code');
			set_focus('stock_id');
			$Ajax->activate('stock_id'); // in case of status change
			display_notification(_("Item has been updated."));
		} 
		else 
		{ //it is a NEW part

			add_item($_POST['NewStockID'], $_POST['description'],
				$_POST['long_description'], $_POST['category_id'], $_POST['tax_type_id'],
				$_POST['units'], $_POST['mb_flag'], $_POST['sales_account'],
				$_POST['inventory_account'], $_POST['cogs_account'],
				$_POST['adjustment_account'], $_POST['assembly_account'], 
				$_POST['dimension_id'], $_POST['dimension2_id'],
				check_value('no_sale'), check_value('editable'));

			display_notification(_("A new item has been added."));
			$_POST['stock_id'] = $_POST['NewStockID'] = 
			$_POST['description'] = $_POST['long_description'] = '';
			$_POST['no_sale'] = $_POST['editable'] = 0;
			set_focus('NewStockID');
		}
		$Ajax->activate('_page_body');
	}
}

if (get_post('clone')) {
	unset($_POST['stock_id']);
	$stock_id = '';
	unset($_POST['inactive']);
	set_focus('NewStockID');
	$Ajax->activate('_page_body');
}

//------------------------------------------------------------------------------------

function check_usage($stock_id, $dispmsg=true)
{
	$msg = item_in_foreign_codes($stock_id);

	if ($msg != '')	{
		if($dispmsg) display_error($msg);
		return false;
	}
	return true;
}

//------------------------------------------------------------------------------------

if (isset($_POST['delete']) && strlen($_POST['delete']) > 1) 
{

	if (check_usage($_POST['NewStockID'])) {

		$stock_id = $_POST['NewStockID'];
		delete_item($stock_id);
		$filename = company_path().'/images/'.item_img_name($stock_id).".jpg";
		if (file_exists($filename))
			unlink($filename);
		display_notification(_("Selected item has been deleted."));
		$_POST['stock_id'] = '';
		clear_data();
		set_focus('stock_id');
		$new_item = true;
		$Ajax->activate('_page_body');
	}
}

function item_settings(&$stock_id) 
{
	global $SysPrefs, $path_to_root, $new_item, $pic_height;

	start_outer_table(TABLESTYLE2);

	table_section(1);

	table_section_title(_("Item"));

	//------------------------------------------------------------------------------------
	if ($new_item) 
	{
		//text_row(_("Item Code:"), 'NewStockID', null, 21, 20);
		$tmpBarcodeID="";
	 if ( $_POST['generateBarcode'] )
	      {
	      $tmpBarcodeID=generateBarcode();
        }
	 text_row(_("Item Code:"), 'NewStockID', $tmpBarcodeID, 21, 20);
	echo '<tr><td colspan=2 style="float: right">
	<button class="ajaxsubmit" type="submit"aspect=\'default\'  name="generateBarcode"  id="generateBarcode" value="Generate Barcode EAN8">
   <span>Kv Generate Barcode</span></button></td></tr>';



		$_POST['inactive'] = 0;
	} 
	else 
	{ // Must be modifying an existing item
		if (get_post('NewStockID') != get_post('stock_id') || get_post('addupdate')) { // first item display

			$_POST['NewStockID'] = $_POST['stock_id'];

			$myrow = get_item($_POST['NewStockID']);

			$_POST['long_description'] = $myrow["long_description"];
			$_POST['description'] = $myrow["description"];
			$_POST['category_id']  = $myrow["category_id"];
			$_POST['tax_type_id']  = $myrow["tax_type_id"];
			$_POST['units']  = $myrow["units"];
			$_POST['mb_flag']  = $myrow["mb_flag"];

			$_POST['sales_account'] =  $myrow['sales_account'];
			$_POST['inventory_account'] = $myrow['inventory_account'];
			$_POST['cogs_account'] = $myrow['cogs_account'];
			$_POST['adjustment_account']	= $myrow['adjustment_account'];
			$_POST['assembly_account']	= $myrow['assembly_account'];
			$_POST['dimension_id']	= $myrow['dimension_id'];
			$_POST['dimension2_id']	= $myrow['dimension2_id'];
			$_POST['no_sale']	= $myrow['no_sale'];
			$_POST['del_image'] = 0;	
			$_POST['inactive'] = $myrow["inactive"];
			$_POST['editable'] = $myrow["editable"];
		}
		label_row(_("Item Code:"),$_POST['NewStockID']);
		hidden('NewStockID', $_POST['NewStockID']);
		set_focus('description');
	}

	text_row(_("Name:"), 'description', null, 52, 200);

	textarea_row(_('Description:'), 'long_description', null, 42, 3);

	stock_categories_list_row(_("Category:"), 'category_id', null, false, $new_item);

	if ($new_item && (list_updated('category_id') || !isset($_POST['units']))) {

		$category_record = get_item_category($_POST['category_id']);

		$_POST['tax_type_id'] = $category_record["dflt_tax_type"];
		$_POST['units'] = $category_record["dflt_units"];
		$_POST['mb_flag'] = $category_record["dflt_mb_flag"];
		$_POST['inventory_account'] = $category_record["dflt_inventory_act"];
		$_POST['cogs_account'] = $category_record["dflt_cogs_act"];
		$_POST['sales_account'] = $category_record["dflt_sales_act"];
		$_POST['adjustment_account'] = $category_record["dflt_adjustment_act"];
		$_POST['assembly_account'] = $category_record["dflt_assembly_act"];
		$_POST['dimension_id'] = $category_record["dflt_dim1"];
		$_POST['dimension2_id'] = $category_record["dflt_dim2"];
		$_POST['no_sale'] = $category_record["dflt_no_sale"];
		$_POST['editable'] = 0;

	}
	$fresh_item = !isset($_POST['NewStockID']) || $new_item 
		|| check_usage($_POST['stock_id'],false);

	item_tax_types_list_row(_("Item Tax Type:"), 'tax_type_id', null);

	stock_item_types_list_row(_("Item Type:"), 'mb_flag', null, $fresh_item);

	stock_units_list_row(_('Units of Measure:'), 'units', null, $fresh_item);

	check_row(_("Editable description:"), 'editable');

	check_row(_("Exclude from sales:"), 'no_sale');

	table_section(2);

	$dim = get_company_pref('use_dimension');
	if ($dim >= 1)
	{
		table_section_title(_("Dimensions"));

		dimensions_list_row(_("Dimension")." 1", 'dimension_id', null, true, " ", false, 1);
		if ($dim > 1)
			dimensions_list_row(_("Dimension")." 2", 'dimension2_id', null, true, " ", false, 2);
	}
	if ($dim < 1)
		hidden('dimension_id', 0);
	if ($dim < 2)
		hidden('dimension2_id', 0);

	table_section_title(_("GL Accounts"));

	gl_all_accounts_list_row(_("Sales Account:"), 'sales_account', $_POST['sales_account']);

	if (!is_service($_POST['mb_flag'])) 
	{
		gl_all_accounts_list_row(_("Inventory Account:"), 'inventory_account', $_POST['inventory_account']);
		gl_all_accounts_list_row(_("C.O.G.S. Account:"), 'cogs_account', $_POST['cogs_account']);
		gl_all_accounts_list_row(_("Inventory Adjustments Account:"), 'adjustment_account', $_POST['adjustment_account']);
	}
	else 
	{
		gl_all_accounts_list_row(_("C.O.G.S. Account:"), 'cogs_account', $_POST['cogs_account']);
		hidden('inventory_account', $_POST['inventory_account']);
		hidden('adjustment_account', $_POST['adjustment_account']);
	}


	if (is_manufactured($_POST['mb_flag']))
		gl_all_accounts_list_row(_("Item Assembly Costs Account:"), 'assembly_account', $_POST['assembly_account']);
	else
		hidden('assembly_account', $_POST['assembly_account']);

	table_section_title(_("Other"));

	// Add image upload for New Item  - by Joe
	file_row(_("Image File (.jpg)") . ":", 'pic', 'pic');
	// Add Image upload for New Item  - by Joe
	$stock_img_link = "";
	$check_remove_image = false;
	if (isset($_POST['NewStockID']) && file_exists(company_path().'/images/'
		.item_img_name($_POST['NewStockID']).".jpg")) 
	{
	 // 31/08/08 - rand() call is necessary here to avoid caching problems. Thanks to Peter D.
		$stock_img_link .= "<img id='item_img' alt = '[".$_POST['NewStockID'].".jpg".
			"]' src='".company_path().'/images/'.item_img_name($_POST['NewStockID']).
			".jpg?nocache=".rand()."'"." height='$pic_height' border='0'>";
		$check_remove_image = true;
	} 
	else 
	{
		$stock_img_link .= _("No image");
	}

	label_row("&nbsp;", $stock_img_link);
	if ($check_remove_image)
		check_row(_("Delete Image:"), 'del_image');

	record_status_list_row(_("Item status:"), 'inactive');
	end_outer_table(1);

	div_start('controls');
	if (!isset($_POST['NewStockID']) || $new_item) 
	{
		submit_center('addupdate', _("Insert New Item"), true, '', 'default');
	} 
	else 
	{
		submit_center_first('addupdate', _("Update Item"), '', 
			@$_REQUEST['popup'] ? true : 'default');
		submit_return('select', get_post('stock_id'), 
			_("Select this items and return to document entry."), 'default');
		submit('clone', _("Clone This Item"), true, '', true);
		submit('delete', _("Delete This Item"), true, '', true);
		submit_center_last('cancel', _("Cancel"), _("Cancel Edition"), 'cancel');
	}

	div_end();
}

//-------------------------------------------------------------------------------------------- 

start_form(true);

if (db_has_stock_items()) 
{
	start_table(TABLESTYLE_NOBORDER);
	start_row();
    stock_items_list_cells(_("Select an item:"), 'stock_id', null,
	  _('New item'), true, check_value('show_inactive'));
	$new_item = get_post('stock_id')=='';
	check_cells(_("Show inactive:"), 'show_inactive', null, true);
	end_row();
	end_table();

	if (get_post('_show_inactive_update')) {
		$Ajax->activate('stock_id');
		set_focus('stock_id');
	}
}
else
{
	hidden('stock_id', get_post('stock_id'));
}

div_start('details');

$stock_id = get_post('stock_id');
if (!$stock_id)
	unset($_POST['_tabs_sel']); // force settings tab for new customer

tabbed_content_start('tabs', array(
		'settings' => array(_('&General settings'), $stock_id),
		'sales_pricing' => array(_('S&ales Pricing'), $stock_id),
		'purchase_pricing' => array(_('&Purchasing Pricing'), $stock_id),
		'standard_cost' => array(_('Standard &Costs'), $stock_id),
		'reorder_level' => array(_('&Reorder Levels'), (is_inventory_item($stock_id) ? $stock_id : null)),
		'movement' => array(_('&Transactions'), $stock_id),
		'status' => array(_('&Status'), $stock_id),
	));
	
	switch (get_post('_tabs_sel')) {
		default:
		case 'settings':
			item_settings($stock_id); 
			break;
		case 'sales_pricing':
			$_GET['stock_id'] = $stock_id;
			$_GET['popup'] = 1;
			include_once($path_to_root."/inventory/prices.php");
			break;
		case 'purchase_pricing':
			$_GET['stock_id'] = $stock_id;
			$_GET['popup'] = 1;
			include_once($path_to_root."/inventory/purchasing_data.php");
			break;
		case 'standard_cost':
			$_GET['stock_id'] = $stock_id;
			$_GET['popup'] = 1;
			include_once($path_to_root."/inventory/cost_update.php");
			break;
		case 'reorder_level':
			if (!is_inventory_item($stock_id))
			{
				break;
			}	
			$_GET['stock_id'] = $stock_id;
			$_GET['popup'] = 1;
			include_once($path_to_root."/inventory/reorder_level.php");
			break;
		case 'movement':
			$_GET['stock_id'] = $stock_id;
			$_GET['popup'] = 1;
			include_once($path_to_root."/inventory/inquiry/stock_movements.php");
			break;
		case 'status':
			$_GET['stock_id'] = $stock_id;
			$_GET['popup'] = 1;
			include_once($path_to_root."/inventory/inquiry/stock_status.php");
			break;
	};
br();
tabbed_content_end();

div_end();


hidden('popup', @$_REQUEST['popup']);
end_form();

//------------------------------------------------------------------------------------
   function generateBarcode() {
   		$tmpBarcodeID = "";
   		$tmpCountTrys = 0;
		  while ($tmpBarcodeID == "")	{
  			srand ((double) microtime( )*1000000);
  			$random_1  = rand(1,9);
  			$random_2  = rand(0,9);
  			$random_3  = rand(0,9);
  			$random_4  = rand(0,9);
  			$random_5  = rand(0,9);
  			$random_6  = rand(0,9);
  			$random_7  = rand(0,9);
  			$random_8  = rand(0,9);

  			$tmpBarcodeID = $random_1 . $random_2 . $random_3 . $random_4 . $random_5 . $random_6 . $random_7 . $random_8;

  			// LETS CHECK TO SEE IF THIS NUMBER HAS EVER BEEN USED
        $query = "select stock_id from 0_stock_master where stock_id='" . $tmpBarcodeID . "'";
        $arr_stock = db_fetch(db_query($query));

	      if (  !$arr_stock['stock_id'] ) {
	            return $tmpBarcodeID;
	          }
	        $tmpBarcodeID = "";	 
      	}  		
    }
end_page(@$_REQUEST['popup']);
?>