<?php
////////////////////////////////////////////////////////////////
/////////////////GM Contact System (GMcs)///////////////////////
/////////////////  Version 1 - 14/06/05  ///////////////////////
/////////////////    daftlogic     ///////////////////////
///////////////   www.daftlogic.com   /////////////////////
////////////////////////////////////////////////////////////////
///Setup
$gmcsfilename='GMcs.csv'; //csv file to be used
////////////////////////////////////////////////////////////////
$mode = $_POST['modeop'];///mode is the mode passed in 
if ($mode=="11")         ///mode 11- read all data from file
{
	$count=1;
	$fp = fopen($gmcsfilename,'r');
	while (!feof($fp)) 
	{
		$lineread = fgets($fp, 4096);
		$tempoutput .= 'line'.$count."=".$lineread."&";
		$count++;
	}
	fclose($fp);
	$tempoutput .= "records=".($count-2);
	echo $tempoutput;
}
////////////////////////////////////////////////////////////////
if ($mode=="12")	///mode 12- add a new record
{
	////get new id , next highest id
	$count=1;
	$fp = fopen($gmcsfilename,'r');
	$lasthighest=0;
	while (!feof($fp)) 
	{
		$lineread = fgets($fp, 4096);
		list($id, $fn, $ln, $pn) =  split(",", $lineread, 4);
		if ($id>$lasthighest)
		{
			$lasthighest=$id;
		}
		$count++;
	}
	fclose($fp);
	// NEW ID IS THE NEXT HIGHEST AVALIBE 
	$id=$lasthighest+1;
	$firstname=$transinfn;		
	$lastname=$transinln;
	$phone=$transinph;
	if(is_writable($gmcsfilename))
	{
		$fp = fopen($gmcsfilename,'a');          
		$content = "$id,$firstname,$lastname,$phone\n";
		fwrite($fp,$content);
		$tempoutput = "successcode=1";
		fclose($fp);
	}
	else
	{
		$tempoutput = "successcode=0";
	}
	echo $tempoutput;
}
////////////////////////////////////////////////////////////////
if ($mode=="13")	///mode 13- delete a new record
{
	$content="";
	$count=1;
	$fp = fopen($gmcsfilename,'r');
	while (!feof($fp)) 
	{
		$lineread = fgets($fp, 4096);
		list($id, $fn, $ln, $pn) =  split(",", $lineread, 4);
		if (($id)!=($recordtodelete))
		{
			$content.=$lineread;
		}
		$count++;
	}
	fclose($fp);
	$id=$count-1;
	if(is_writable($gmcsfilename))
	{
		$fp = fopen($gmcsfilename,'w');          
		fwrite($fp,$content);
		$tempoutput = "successcode=1";
		fclose($fp);
	}
	else
	{
		$tempoutput = "successcode=0";
	}
	echo $tempoutput;
}
////////////////////////////////////////////////////////////////
if ($mode=="14")	///mode 14- update a record
{
	// step 1 -delete old record
	$content="";
	$count=1;
	$fp = fopen($gmcsfilename,'r');
	while (!feof($fp)) 
	{
		$lineread = fgets($fp, 4096);
		list($id, $fn, $ln, $pn) =  split(",", $lineread, 4);
		if (($id)!=($recordtoedit))
		{
			$content.=$lineread;
		}
		$count++;
	}
	fclose($fp);
	$id=$count-1;
	$fp = fopen($gmcsfilename,'w');          
	fwrite($fp,$content);
	fclose($fp);
	//step 2 - add in new (edited) record
	$firstname=$transinfn;
	$lastname=$transinln;
	$phone=$transinph;
	if(is_writable($gmcsfilename))
	{
		$fp = fopen($gmcsfilename,'a');          
		$content = "$recordtoedit,$firstname,$lastname,$phone\n";
		fwrite($fp,$content);
		$tempoutput = "successcode=1";
		fclose($fp);
	}
	else
	{
		$tempoutput = "successcode=0";
	}
	echo $tempoutput;
}
////////////////////////////////////////////////////////////////
?>