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task.php
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<?PHP
/*
*******************************************************************************
* Chronologist - web-based time tracking database
* Copyright (C) 2003 by Sylvain LAFRASSE.
*******************************************************************************
* LICENSE:
* This file is part of Chronologist.
*
* Chronologist 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.
*
* Chronologist 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 Chronologist; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************
* FILE NAME : task.php
* DESCRIPTION : Task creation form and script.
* AUTHORS : Sylvain LAFRASSE.
*******************************************************************************
*/
require_once("design.inc.php");
require_once("task.inc.php");
require_once("project.inc.php");
require_once("activity.inc.php");
// Retrieve the action to perform from the URL given 'do' parameter
$Do = "";
if (!empty($_GET['do'])) {
$Do = $_GET['do'];
}
switch($Do)
{
case "add" :
ShowSecureHeader("Task Creation", "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
$timestamp = "";
if (!empty($_GET['timestamp'])) {
$timestamp = $_GET['timestamp'];
}
ShowTaskFields(0, putslashes($timestamp));
ShowFooter();
break;
case "add_next" :
ShowSecureHeader("Task Creation", "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
ShowTaskFields(0, putslashes($_GET['timestamp']));
ShowFooter();
break;
case "insert" :
$SessionUID = $_SESSION['uid'];
// Gets the given task parameters
$TaskProject = putslashes($_POST['pid']);
$TaskActivity = putslashes($_POST['aid']);
$TaskLabel = putslashes($_POST['label']);
$TaskBeginning = mktime(putslashes($_POST['beginningHour']), putslashes($_POST['beginningMinute']), 0, putslashes($_POST['beginningMonth']), putslashes($_POST['beginningDay']), putslashes($_POST['beginningYear']));
$TaskDuration = DurationFromHoursAndMinutes(putslashes($_POST['durationHour']), putslashes($_POST['durationMinute']));
$TaskEnd = $TaskBeginning + $TaskDuration;
// TODO : Checks beginning date vaildity with 'bool checkdate ( int month, int day, int year)'
// TODO : Checks beginning time vaildity with '??????'
// Checks parameters validity
if ($TaskProject == "-1")
{
$_SESSION['message'] = "The 'project' task parameter has not been set. <BR> Please try again. <BR>";
}
else if ($TaskBeginning == "")
{
$_SESSION['message'] .= "The 'beginning' task parameter field is empty. <BR> Please try again. <BR>";
}
else if ($TaskDuration == "")
{
$_SESSION['message'] .= "The 'duration' task parameter field is empty. <BR> Please try again. <BR>";
}
else
{
if ($TaskActivity == "-1")
{
$TaskActivity = 0;
}
// Insert the new task in the database
$SQL = "INSERT INTO `tasks`
VALUES (NULL,
'$SessionUID',
'$TaskProject',
'$TaskActivity',
'$TaskLabel',
FROM_UNIXTIME('$TaskBeginning'),
'$TaskDuration')
";
$Result = mysqli_query($Connection, $SQL)
or die("Could not execute the '$SQL' request.");
$_SESSION['message'] = "The task has been created succesfully. <BR>";
}
// Redirects to the task list
header("Location: task.php?do=add_next×tamp=$TaskEnd");
break;
case "modify" :
ShowSecureHeader("Task Modification", "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
ShowTaskFields(putslashes($_POST['tid']), 0);
ShowFooter();
break;
case "update" :
$SessionUID = $_SESSION['uid'];
// Gets the given task parameters
$TID = putslashes($_POST['tid']);
$TaskProject = putslashes($_POST['pid']);
$TaskActivity = putslashes($_POST['aid']);
$TaskLabel = putslashes($_POST['label']);
$TaskBeginning = mktime(putslashes($_POST['beginningHour']), putslashes($_POST['beginningMinute']), 0, putslashes($_POST['beginningMonth']), putslashes($_POST['beginningDay']), putslashes($_POST['beginningYear']));
$TaskDuration = DurationFromHoursAndMinutes(putslashes($_POST['durationHour']), putslashes($_POST['durationMinute']));
// TODO : Checks beginning date vaildity with 'bool checkdate ( int month, int day, int year)'
// TODO : Checks beginning time vaildity with '??????'
// Checks parameters validity
if ($TaskProject == "-1")
{
$_SESSION['message'] = "The 'project' task parameter has not been set. <BR> Please try again. <BR>";
}
else if ($TaskBeginning == "")
{
$_SESSION['message'] .= "The 'beginning' task parameter field is empty. <BR> Please try again. <BR>";
}
else if ($TaskDuration == "")
{
$_SESSION['message'] .= "The 'duration' task parameter field is empty. <BR> Please try again. <BR>";
}
else
{
if ($TaskActivity == "-1")
{
$TaskActivity = 0;
}
// Insert the new task in the database
$SQL = "UPDATE `tasks`
SET `pid` = '$TaskProject',
`aid` = '$TaskActivity',
`label` = '$TaskLabel',
`beginning` = FROM_UNIXTIME('$TaskBeginning'),
`duration` = '$TaskDuration'
WHERE `tid` = '$TID'
";
$Result = mysqli_query($Connection, $SQL)
or die("Could not execute the '$SQL' request.");
$_SESSION['message'] = "The task has been updated succesfully. <BR>";
}
// Redirects to the task list
header("Location: task.php");
break;
case "remove" :
$SessionUID = $_SESSION['uid'];
$TID = putslashes($_POST['tid']);
$SQL = "SELECT *, UNIX_TIMESTAMP(beginning) as timestamp
FROM `tasks`
WHERE `tid` = '$TID'
AND `uid` = '$SessionUID'
";
$Result = mysqli_query($Connection, $SQL)
or die("Could not execute the '$SQL' request.");
$NumRows = mysqli_num_rows($Result);
$TaskRow = mysqli_fetch_array($Result);
ShowSecureHeader("Remove Task", "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
// If there is no tasks for the currently logged user
if ($NumRows == 0)
{
// Append (to the hypothetic one from any previous) a warning message for the user
$_SESSION['message'] .= "There is no task selected !";
}
else
{
echo "<TABLE BORDER='0'>
<TR ALIGN='CENTER'>
<TD COLSPAN='2'>
Are you sure you want to delete the selected task ? <BR>
</TD>
</TR>
<TR ALIGN='CENTER'>
<TD COLSPAN='2'>
<TABLE BORDER='1'>
<TR ALIGN='CENTER'>
<TD>
<B> Project </B>
</TD>
<TD>
<B> Label </B>
</TD>
<TD>
<B> Beginning </B>
</TD>
<TD>
<B> Duration </B>
</TD>
</TR>
<TR>
<TD ALIGN='LEFT'>
".htmlentities(GetProjectCompleteLabel($TaskRow['pid']))."
</TD>
<TD ALIGN='LEFT'>
".htmlentities($TaskRow['label'])."
</TD>
<TD ALIGN='CENTER'>
".htmlentities(GetFormattedDateAndTime($TaskRow['timestamp']))."
</TD>
<TD ALIGN='CENTER'>
".htmlentities(DurationLabel($TaskRow['duration']))."
</TD>
</TR>
</TABLE>
<BR>
<BR>
</TD>
</TR>
<TR ALIGN='CENTER'>
<TD>
<FORM ACTION='task.php?do=delete' METHOD='POST'>
<INPUT TYPE='HIDDEN' NAME='tid' VALUE='".$TID."'>
<INPUT TYPE='SUBMIT' NAME='delete' VALUE='OK'>
</FORM>
</TD>
<TD>
<FORM ACTION='task.php' METHOD='POST'>
<INPUT TYPE='SUBMIT' NAME='cancel' VALUE='Cancel'>
</FORM>
</TD>
</TR>
</TABLE>";
}
ShowFooter();
mysqli_free_result($Result);
break;
case "delete" :
$SessionUID = $_SESSION['uid'];
// Gets the given task parameters
$TID = putslashes($_POST['tid']);
if ($TID == "")
{
// Append (to the hypothetic one from any previous) a warning message for the user
$_SESSION['message'] .= "There is no task selected !";
}
else
{
// Delete the task from the database
$SQL = "DELETE FROM `tasks`
WHERE `tid` = '$TID'
";
$Result = mysqli_query($Connection, $SQL)
or die("Could not execute the '$SQL' request.");
$_SESSION['message'] = "The task has been deleted succesfully. <BR>";
}
// Redirects to the task list
header("Location: task.php");
break;
default :
$SessionUID = $_SESSION['uid'];
// Gets the number of tasks for the currently logged user
$SQL = "SELECT *
FROM `tasks`
WHERE `uid` = '$SessionUID'
";
$Result = mysqli_query($Connection, $SQL)
or die("Could not execute the '$SQL' request.");
$NumRows = mysqli_num_rows($Result);
mysqli_free_result($Result);
// If there is no tasks for the currently logged user
if (($NumRows == 0))
{
// Appends (to the hypothetic one from the 'apply' section for example) a warning message for the user
$_SESSION['message'] .= "There is no tasks for the currently logged user !";
}
ShowSecureHeader("Task List", "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
$CurrentDate = getdate();
$CurrentMonth = $CurrentDate['mon'];
$CurrentYear = $CurrentDate['year'];
// Retrieve the the month and the year to list
$UserMonth = NULL;
if (!empty($_POST['month'])) {
$UserMonth = $_POST['month'];
}
$UserYear = NULL;
if (!empty($_POST['year'])) {
$UserYear = $_POST['year'];
}
// If the user specified a month and a year
if (($UserMonth != NULL) && ($UserYear != NULL))
{
$CurrentMonth = $UserMonth;
$CurrentYear = $UserYear;
}
$PreviousMonth = ($CurrentMonth == 1 ? 12 : $CurrentMonth - 1);
$PreviousYear = ($PreviousMonth > $CurrentMonth ? $CurrentYear - 1: $CurrentYear);
$NextMonth = ($CurrentMonth == 12 ? 1 : $CurrentMonth + 1);
$NextYear = ($NextMonth < $CurrentMonth ? $CurrentYear + 1: $CurrentYear);
echo "
<BR/><BR/>
<TABLE BORDER='0'>
<TR>
<TD ALIGN='RIGHT'>
<B> Month :</B>
</TD>
<TD>
<TABLE>
<TR>
<FORM ACTION='task.php' METHOD='POST' NAME='previous_task'>
<TD>
<INPUT TYPE='HIDDEN' NAME='month' SIZE='2' MAXLENGTH ='2' VALUE='".htmlentities(sprintf("%02d", $PreviousMonth))."'>
<INPUT TYPE='HIDDEN' NAME='year' SIZE='4' MAXLENGTH ='4' VALUE='".htmlentities(sprintf("%04d", $PreviousYear))."'>
<INPUT TYPE='SUBMIT' NAME='show' VALUE='<'>
</TD>
</FORM>
<FORM ACTION='task.php' METHOD='POST' NAME='task'>
<TD>
<INPUT TYPE='TEXT' NAME='month' SIZE='2' MAXLENGTH ='2' VALUE='".htmlentities(sprintf("%02d", $CurrentMonth))."'>
</TD>
<TD>
/
</TD>
<TD>
<INPUT TYPE='TEXT' NAME='year' SIZE='4' MAXLENGTH ='4' VALUE='".htmlentities(sprintf("%04d", $CurrentYear))."'>
</TD>
<TD>
<INPUT TYPE='SUBMIT' NAME='show' VALUE='Show'>
</TD>
</FORM>
<FORM ACTION='task.php' METHOD='POST' NAME='next_task'>
<TD>
<INPUT TYPE='HIDDEN' NAME='month' SIZE='2' MAXLENGTH ='2' VALUE='".htmlentities(sprintf("%02d", $NextMonth))."'>
<INPUT TYPE='HIDDEN' NAME='year' SIZE='4' MAXLENGTH ='4' VALUE='".htmlentities(sprintf("%04d", $NextYear))."'>
<INPUT TYPE='SUBMIT' NAME='show' VALUE='>'>
</TD>
</FORM>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
<TABLE BORDER='0'>
<TR ALIGN='CENTER'>
<TD>
<FORM ACTION='task.php?do=add' METHOD='POST'>
<INPUT TYPE='SUBMIT' VALUE='New Task'>
</FORM>
</TD>
</TR>
</TABLE>
";
// If there is no tasks for the currently logged user
if ($NumRows > 0)
{
echo" <TABLE BORDER='1'>
<TR ALIGN='CENTER'>
<TD>
<B> Project </B>
</TD>
<TD>
<B> Activity </B>
</TD>
<TD>
<B> Label </B>
</TD>
<TD>
<B> Beginning </B>
</TD>
<TD>
<B> Duration </B>
</TD>
</TR>
";
// TODO : Gets only the projects belonging to the user's groups
// Gets all the tasks for the currently logged user and the current project
$TaskSQL = "SELECT *, UNIX_TIMESTAMP(beginning) as timestamp
FROM `tasks`
WHERE `uid` = '$SessionUID'
AND YEAR(beginning) = '$CurrentYear'
AND MONTH(beginning) = '$CurrentMonth'
ORDER BY timestamp DESC
";
$TaskResult = mysqli_query($Connection, $TaskSQL)
or die("Could not execute the '$TaskSQL' request.");
$PreviousDate = "";
// Displays all the projects
while ($TaskRow = mysqli_fetch_array($TaskResult))
{
$TID = $TaskRow['tid'];
$TaskLabel = $TaskRow['label'];
$Date = GetFormattedDate($TaskRow['timestamp']);
if (strcmp($Date, $PreviousDate) != 0)
{
echo "<TR BGCOLOR='GREY'><TD COLSPAN='8'> </TD></TR>";
$PreviousDate = $Date;
}
echo "
<TR>
<TD ALIGN='LEFT'>
".htmlentities(GetProjectCompleteLabel($TaskRow['pid']))."
</TD>
<TD ALIGN='LEFT'>
".htmlentities(GetActivityCompleteLabel($TaskRow['aid']))."
</TD>
<TD ALIGN='LEFT'>
".htmlentities($TaskLabel)."
</TD>
<TD ALIGN='CENTER'>
".GetFormattedDateAndTime($TaskRow['timestamp'], '<BR>')."
</TD>
<TD ALIGN='CENTER'>
".htmlentities(DurationLabel($TaskRow['duration']))."
</TD>
<FORM ACTION='task.php?do=modify' METHOD='POST'>
<TD ALIGN='LEFT'>
<INPUT TYPE='HIDDEN' NAME='tid' VALUE='".$TID."'>
<INPUT TYPE='SUBMIT' NAME='modify' VALUE='Modify'>
</TD>
</FORM>
<FORM ACTION='task.php?do=add' METHOD='POST'>
<TD ALIGN='LEFT'>
<INPUT TYPE='HIDDEN' NAME='timestamp' VALUE='".($TaskRow['timestamp'] + $TaskRow['duration'])."'>
<INPUT TYPE='SUBMIT' VALUE='Add Next Task'>
</TD>
</FORM>
<FORM ACTION='task.php?do=remove' METHOD='POST'>
<TD ALIGN='LEFT'>
<INPUT TYPE='HIDDEN' NAME='tid' VALUE='".$TID."'>
<INPUT TYPE='SUBMIT' NAME='delete' VALUE='Delete'>
</TD>
</FORM>
</TR>
";
}
mysqli_free_result($TaskResult);
echo "
</TABLE>
";
}
ShowFooter();
}
?>