<?php
	/**************************************************************************\
	* eGroupWare - errorlog                                                    *
	* http://www.egroupware.org                                                *
	* This application written by jerry westrick <jerry@westrick.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 2 of the License, or (at your  *
	*  option) any later version.                                              *
	\**************************************************************************/

	/* $Id$ */

	class errorlog
	{
		/***************************\
		*	Instance Variables...   *
		\***************************/
		var $errorstack = array();
		var $public_functions = array(
			'message',
			'error',
			'iserror',
			'severity',
			'commit',
			'clearstack',
			'astable'
		);
		var $log_table = 'egw_log';
		var $msg_table = 'egw_log_msg';

		function message($parms)
		{
			$parms['ismsg']=1;
			CreateObject('phpgwapi.error',$parms);
			return true;
		}

		function error($parms)
		{
			$parms['ismsg']=0;
			CreateObject('phpgwapi.error',$parms);
			return true;
		}

		function write($parms)
		{
			$parms['ismsg']=0;
			$save = $this->errorstack;
			$this->$errorstack = array();
			CreateObject('phpgwapi.error',$parms);
			$this->commit();
			$this->errorstack = $save;
			return true;
		}

		function iserror($parms)
		{
			$ecode = $parms['code'];
			$errorstack = $this->errorstack;
			reset($errorstack);
			while(list(,$err)=each($errorstack))
			{
				if ($ecode == $err->code)
				{
					return true;
				}
			}
			return false;
		}

		function severity()
		{
			$max = 'D';
			$errorstack = $this->errorstack;
			reset($errorstack);
			while(list(,$err)=each($errorstack))
			{
				switch($err->severity)
				{
					case 'F':
						return 'F';
						break;
					case 'E':
						$max = 'E';
						break;
					case 'W':
						if ($max != 'E') 
						{
							$max = 'W';
						}
						break;
					case 'I':
						if ($max == 'D')
						{
							$max = 'I';
						}
						break;
					default:
						break;
				}
			}
			return $max;
		}

		function commit()
		{
			$db = clone($GLOBALS['egw']->db);
//			$db->lock($this->log_table);
			$db->query("insert into $this->log_table (log_date, log_user, log_app, log_severity) values "
				."('". $GLOBALS['egw']->db->to_timestamp(time())
				."','".(int)$GLOBALS['egw']->session->account_id
				."','".$GLOBALS['egw_info']['flags']['currentapp']."'"
				.",'".$this->severity()."'"
				.")"
				,__LINE__,__FILE__
			);

			$log_id = $db->get_last_insert_id($this->log_table,'log_id');
//			$db->query('select max(log_id) as lid from $this->log_table');
//			$db->next_record();
//			$log_id = $db->f('lid');
//			$db->unlock();

			$errorstack = $this->errorstack;
			for ($i = 0; $i < count($errorstack); $i++)
			{
				$err = $errorstack[$i];
				$db->query("insert into $this->msg_table "
					."(Log_msg_log_id, log_msg_seq_no, log_msg_date, log_msg_severity, "
					."log_msg_code, log_msg_msg, log_msg_parms, log_msg_file, log_msg_line) values "
					."(" . $log_id
					."," . $i
					.", '" . $GLOBALS['egw']->db->to_timestamp($err->timestamp)
					."', '". $err->severity . "'"
					.", '". $err->code . "'"
					.", '". $db->db_addslashes($err->msg) . "'"
					.", '". $db->db_addslashes((count($err->parms) > 1?implode('|',$err->parms):$err->parms[1])). "'"
					.", '". $err->fname . "'"
					.", " . (int)$err->line
					.")" 
					,__LINE__,__FILE__
				);
			}
			unset ($errorstack);
			unset ($this->errorstack);
			$this->errorstack = array();
			return true;
		}

		function clearstack()
		{
			$new = array();
			reset($this->errorstack);
			for ($i = 0; $i < count($this->errorstack); $i++)
			{
				$err = $this->errorstack[$i];
				if ($err->ismsg)
				{
					$new[] = $err;
				};
			}
			unset ($this->errorstack);
			$this->errorstack = $new;
			return true;
		}

		function astable()
		{
			$html  = "<center>\n";
			$html .= "<table width=\"98%\">\n";
			$html .= "\t<tr bgcolor=\"D3DCFF\">\n";
			$html .= "\t\t<td width=\"2%\">No</td>\n";
			$html .= "\t\t<td width=\"16%\">Date</td>\n";
			$html .= "\t\t<td width=\"15%\">App</td>\n";
			$html .= "\t\t<td align=\"center\", width=\"2%\">S</td>\n";
			$html .= "\t\t<td width=\"10%\">Error Code</td>\n";
			$html .= "\t\t<td >Msg</td>\n";
			$html .= "\t\t<td >File</td>\n";
			$html .= "\t\t<td >Line</td>\n";
			$html .= "\t</tr>\n";

			$errorstack = $this->errorstack;
			for ($i = 0; $i < count($errorstack); $i++)
			{
				$err = $errorstack[$i];
				switch ($err->severity)
				{
					case 'D': $color = 'D3DCFF'; break;
					case 'I': $color = 'C0FFC0'; break;
					case 'W': $color = 'FFFFC0'; break;
					case 'E': $color = 'FFC0C0'; break;
					case 'F': $color = 'FF0909'; break;
				}

				$html .= "\t<tr bgcolor=".'"'.$color.'"'.">\n";
				$html .= "\t\t<td align=center>".$i."</td>\n";
				$html .= "\t\t<td>".$GLOBALS['egw']->common->show_date($err->timestamp)."</td>\n";
				$html .= "\t\t<td>".$err->app."&nbsp </td>\n";
				$html .= "\t\t<td align=center>".$err->severity."</td>\n";
				$html .= "\t\t<td>".$err->code."</td>\n";
				$html .= "\t\t<td>".$err->langmsg()."</td>\n";
				$html .= "\t\t<td>".$err->fname."</td>\n";
				$html .= "\t\t<td>".$err->line."</td>\n";
				$html .= "\t</tr>\n";
			}
			$html .= "</table>\n";
			$html .= "</center>\n";

			return $html;
		}
	}