<?php
/*
==============================================================================
	Dokeos - elearning and course management software

	Copyright (c) 2009 Dokeos SPRL
	
	For a full list of contributors, see "credits.txt".
	The full license can be read in "license.txt".

	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.

	See the GNU General Public License for more details.

	Contact: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
==============================================================================
*/

// name of the language file that needs to be included
$language_file ='admin';
$cidReset=true;
include('../inc/global.inc.php');

// setting the section (for the tabs)
$this_section=SECTION_PLATFORM_ADMIN;

api_protect_admin_script(true);

$id=intval($_GET['id']);

$formSent=0;
$errorMsg='';

// Database Table Definitions
$tbl_user		= Database::get_main_table(TABLE_MAIN_USER);
$tbl_session	= Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_rel_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);

$tool_name = get_lang('EditSession');

$interbreadcrumb[]=array('url' => 'index.php',"name" => get_lang('PlatformAdmin'));
$interbreadcrumb[]=array('url' => "session_list.php","name" => get_lang('SessionList'));

$result=api_sql_query("SELECT name,date_start,date_end,id_coach, session_admin_id, nb_days_access_before_beginning, nb_days_access_after_end FROM $tbl_session WHERE id='$id'",__FILE__,__LINE__);

if (!$infos=mysql_fetch_array($result)) {
	header('Location: session_list.php');
	exit();
}
list($year_start,$month_start,$day_start)=explode('-',$infos['date_start']);
list($year_end,$month_end,$day_end)=explode('-',$infos['date_end']);

if (!api_is_platform_admin() && $infos['session_admin_id']!=$_user['user_id']) {
	api_not_allowed(true);
}

if ($_POST['formSent']) {
	$formSent=1;
	$name=trim(stripslashes($_POST['name']));
	$year_start=intval($_POST['year_start']);
	$month_start=intval($_POST['month_start']);
	$day_start=intval($_POST['day_start']);
	$year_end=intval($_POST['year_end']);
	$month_end=intval($_POST['month_end']);
	$day_end=intval($_POST['day_end']);
	$id_coach=intval($_POST['id_coach']);
	$nb_days_access_before = intval($_POST['nb_days_access_before']);
	$nb_days_access_after = intval($_POST['nb_days_access_after']);
	
	if (empty($_POST['nolimit'])) {
		$date_start="$year_start-".(($month_start < 10)?"0$month_start":$month_start)."-".(($day_start < 10)?"0$day_start":$day_start);
		$date_end="$year_end-".(($month_end < 10)?"0$month_end":$month_end)."-".(($day_end < 10)?"0$day_end":$day_end);
	} else {
		$date_start="000-00-00";
		$date_end="000-00-00";
	}
	if(empty($name)) $errorMsg=get_lang('SessionNameIsRequired');
	elseif(empty($_POST['nolimit']) && (!$month_start || !$day_start || !$year_start || !checkdate($month_start,$day_start,$year_start))) $errorMsg=get_lang('InvalidStartDate');
	elseif(empty($_POST['nolimit']) && (!$month_end || !$day_end || !$year_end || !checkdate($month_end,$day_end,$year_end))) $errorMsg=get_lang('InvalidEndDate');
	elseif(empty($_POST['nolimit']) && $date_start >= $date_end) $errorMsg=get_lang('StartDateShouldBeBeforeEndDate');
	else {		
		$rs = api_sql_query("SELECT id FROM $tbl_session WHERE name='".addslashes($name)."'");
		$exists = false;
		while($row = mysql_fetch_array($rs)) {
			if($row['id']!=$id)
				$exists = true;
		}
		if ($exists) {
			$errorMsg = get_lang('SessionNameSoonExists');
		} else {
			api_sql_query("UPDATE $tbl_session
					   SET name='".addslashes($name)."',
						   date_start='$date_start',
						   date_end='$date_end',
						   id_coach='$id_coach',
						   nb_days_access_before_beginning = ".$nb_days_access_before.",
						   nb_days_access_after_end = ".$nb_days_access_after." 
					   WHERE id='$id'",__FILE__,__LINE__);
			$sqlu = "UPDATE $tbl_session_rel_course
					   SET id_coach='$id_coach'						   
					   WHERE id_session='$id'";
			api_sql_query($sqlu,__FILE__,__LINE__);
			header('Location: resume_session.php?id_session='.$id);
			exit();
		}
	}
}

$sql="SELECT user_id,lastname,firstname,username FROM $tbl_user WHERE status='1' ORDER BY lastname,firstname,username";

if ($_configuration['multiple_access_urls']==true){
	$table_access_url_rel_user= Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);	
	$access_url_id = api_get_current_access_url_id();
	if ($access_url_id != -1) {
		$sql="SELECT DISTINCT u.user_id,lastname,firstname,username FROM $tbl_user u INNER JOIN $table_access_url_rel_user url_rel_user
			ON (url_rel_user.user_id = u.user_id)
			WHERE status='1' AND access_url_id = $access_url_id
			ORDER BY lastname,firstname,username";
	}
}		
			
$result=api_sql_query($sql,__FILE__,__LINE__);

$Coaches=api_store_result($result);
$thisYear=date('Y');

Display::display_header($tool_name);
api_display_tool_title($tool_name);
?>

<form method="post" name="form" action="<?php echo api_get_self(); ?>?page=<?php echo $_GET['page'] ?>&id=<?php echo $id; ?>" style="margin:0px;">
<input type="hidden" name="formSent" value="1">

<table border="0" cellpadding="5" cellspacing="0" width="550">

<?php
if(!empty($errorMsg)) {
?>

<tr>
  <td colspan="2">

<?php
	Display::display_normal_message($errorMsg);
?>

  </td>
</tr>

<?php
}
?>

<tr>
  <td width="30%"><?php echo get_lang('SessionName') ?>&nbsp;&nbsp;</td>
  <td width="70%"><input type="text" name="name" size="50" maxlength="50" value="<?php if($formSent) echo htmlentities($name,ENT_QUOTES,$charset); else echo htmlentities($infos['name'],ENT_QUOTES,$charset); ?>"></td>
</tr>
<tr>
  <td width="30%"><?php echo get_lang('CoachName') ?>&nbsp;&nbsp;</td>
  <td width="70%"><select name="id_coach" style="width:250px;">
	<option value="0">----- <?php echo get_lang('Choose') ?> -----</option>

<?php
foreach($Coaches as $enreg) {
?>

	<option value="<?php echo $enreg['user_id']; ?>" <?php if((!$sent && $enreg['user_id'] == $infos['id_coach']) || ($sent && $enreg['user_id'] == $id_coach)) echo 'selected="selected"'; ?>><?php echo $enreg['lastname'].' '.$enreg['firstname'].' ('.$enreg['username'].')'; ?></option>

<?php
}

unset($Coaches);
?>

  </select></td>
</tr>
<tr>
  <td width="30%"><?php echo get_lang('NoTimeLimits') ?></td>
  <td width="70%">
  	<input type="checkbox" name="nolimit" onChange="setDisable(this)" <?php if($year_start=="0000") echo "checked"; ?>/>
  </td>
<tr>
<tr>
  <td width="30%"><?php echo get_lang('DateStartSession') ?>&nbsp;&nbsp;</td>
  <td width="70%">
  <select name="day_start">
	<option value="1">01</option>
	<option value="2" <?php if($day_start == 2) echo 'selected="selected"'; ?> >02</option>
	<option value="3" <?php if($day_start == 3) echo 'selected="selected"'; ?> >03</option>
	<option value="4" <?php if($day_start == 4) echo 'selected="selected"'; ?> >04</option>
	<option value="5" <?php if($day_start == 5) echo 'selected="selected"'; ?> >05</option>
	<option value="6" <?php if($day_start == 6) echo 'selected="selected"'; ?> >06</option>
	<option value="7" <?php if($day_start == 7) echo 'selected="selected"'; ?> >07</option>
	<option value="8" <?php if($day_start == 8) echo 'selected="selected"'; ?> >08</option>
	<option value="9" <?php if($day_start == 9) echo 'selected="selected"'; ?> >09</option>
	<option value="10" <?php if($day_start == 10) echo 'selected="selected"'; ?> >10</option>
	<option value="11" <?php if($day_start == 11) echo 'selected="selected"'; ?> >11</option>
	<option value="12" <?php if($day_start == 12) echo 'selected="selected"'; ?> >12</option>
	<option value="13" <?php if($day_start == 13) echo 'selected="selected"'; ?> >13</option>
	<option value="14" <?php if($day_start == 14) echo 'selected="selected"'; ?> >14</option>
	<option value="15" <?php if($day_start == 15) echo 'selected="selected"'; ?> >15</option>
	<option value="16" <?php if($day_start == 16) echo 'selected="selected"'; ?> >16</option>
	<option value="17" <?php if($day_start == 17) echo 'selected="selected"'; ?> >17</option>
	<option value="18" <?php if($day_start == 18) echo 'selected="selected"'; ?> >18</option>
	<option value="19" <?php if($day_start == 19) echo 'selected="selected"'; ?> >19</option>
	<option value="20" <?php if($day_start == 20) echo 'selected="selected"'; ?> >20</option>
	<option value="21" <?php if($day_start == 21) echo 'selected="selected"'; ?> >21</option>
	<option value="22" <?php if($day_start == 22) echo 'selected="selected"'; ?> >22</option>
	<option value="23" <?php if($day_start == 23) echo 'selected="selected"'; ?> >23</option>
	<option value="24" <?php if($day_start == 24) echo 'selected="selected"'; ?> >24</option>
	<option value="25" <?php if($day_start == 25) echo 'selected="selected"'; ?> >25</option>
	<option value="26" <?php if($day_start == 26) echo 'selected="selected"'; ?> >26</option>
	<option value="27" <?php if($day_start == 27) echo 'selected="selected"'; ?> >27</option>
	<option value="28" <?php if($day_start == 28) echo 'selected="selected"'; ?> >28</option>
	<option value="29" <?php if($day_start == 29) echo 'selected="selected"'; ?> >29</option>
	<option value="30" <?php if($day_start == 30) echo 'selected="selected"'; ?> >30</option>
	<option value="31" <?php if($day_start == 31) echo 'selected="selected"'; ?> >31</option>
  </select>
  /
  <select name="month_start">
	<option value="1">01</option>
	<option value="2" <?php if($month_start == 2) echo 'selected="selected"'; ?> >02</option>
	<option value="3" <?php if($month_start == 3) echo 'selected="selected"'; ?> >03</option>
	<option value="4" <?php if($month_start == 4) echo 'selected="selected"'; ?> >04</option>
	<option value="5" <?php if($month_start == 5) echo 'selected="selected"'; ?> >05</option>
	<option value="6" <?php if($month_start == 6) echo 'selected="selected"'; ?> >06</option>
	<option value="7" <?php if($month_start == 7) echo 'selected="selected"'; ?> >07</option>
	<option value="8" <?php if($month_start == 8) echo 'selected="selected"'; ?> >08</option>
	<option value="9" <?php if($month_start == 9) echo 'selected="selected"'; ?> >09</option>
	<option value="10" <?php if($month_start == 10) echo 'selected="selected"'; ?> >10</option>
	<option value="11" <?php if($month_start == 11) echo 'selected="selected"'; ?> >11</option>
	<option value="12" <?php if($month_start == 12) echo 'selected="selected"'; ?> >12</option>
  </select>
  /
  <select name="year_start">

<?php
for($i=$thisYear-5;$i <= ($thisYear+5);$i++)
{
?>

	<option value="<?php echo $i; ?>" <?php if($year_start == $i) echo 'selected="selected"'; ?> ><?php echo $i; ?></option>

<?php
}
?>

  </select>
  </td>
</tr>
<tr>
  <td width="30%"><?php echo get_lang('DateEndSession') ?>&nbsp;&nbsp;</td>
  <td width="70%">
  <select name="day_end">
	<option value="1">01</option>
	<option value="2" <?php if($day_end == 2) echo 'selected="selected"'; ?> >02</option>
	<option value="3" <?php if($day_end == 3) echo 'selected="selected"'; ?> >03</option>
	<option value="4" <?php if($day_end == 4) echo 'selected="selected"'; ?> >04</option>
	<option value="5" <?php if($day_end == 5) echo 'selected="selected"'; ?> >05</option>
	<option value="6" <?php if($day_end == 6) echo 'selected="selected"'; ?> >06</option>
	<option value="7" <?php if($day_end == 7) echo 'selected="selected"'; ?> >07</option>
	<option value="8" <?php if($day_end == 8) echo 'selected="selected"'; ?> >08</option>
	<option value="9" <?php if($day_end == 9) echo 'selected="selected"'; ?> >09</option>
	<option value="10" <?php if($day_end == 10) echo 'selected="selected"'; ?> >10</option>
	<option value="11" <?php if($day_end == 11) echo 'selected="selected"'; ?> >11</option>
	<option value="12" <?php if($day_end == 12) echo 'selected="selected"'; ?> >12</option>
	<option value="13" <?php if($day_end == 13) echo 'selected="selected"'; ?> >13</option>
	<option value="14" <?php if($day_end == 14) echo 'selected="selected"'; ?> >14</option>
	<option value="15" <?php if($day_end == 15) echo 'selected="selected"'; ?> >15</option>
	<option value="16" <?php if($day_end == 16) echo 'selected="selected"'; ?> >16</option>
	<option value="17" <?php if($day_end == 17) echo 'selected="selected"'; ?> >17</option>
	<option value="18" <?php if($day_end == 18) echo 'selected="selected"'; ?> >18</option>
	<option value="19" <?php if($day_end == 19) echo 'selected="selected"'; ?> >19</option>
	<option value="20" <?php if($day_end == 20) echo 'selected="selected"'; ?> >20</option>
	<option value="21" <?php if($day_end == 21) echo 'selected="selected"'; ?> >21</option>
	<option value="22" <?php if($day_end == 22) echo 'selected="selected"'; ?> >22</option>
	<option value="23" <?php if($day_end == 23) echo 'selected="selected"'; ?> >23</option>
	<option value="24" <?php if($day_end == 24) echo 'selected="selected"'; ?> >24</option>
	<option value="25" <?php if($day_end == 25) echo 'selected="selected"'; ?> >25</option>
	<option value="26" <?php if($day_end == 26) echo 'selected="selected"'; ?> >26</option>
	<option value="27" <?php if($day_end == 27) echo 'selected="selected"'; ?> >27</option>
	<option value="28" <?php if($day_end == 28) echo 'selected="selected"'; ?> >28</option>
	<option value="29" <?php if($day_end == 29) echo 'selected="selected"'; ?> >29</option>
	<option value="30" <?php if($day_end == 30) echo 'selected="selected"'; ?> >30</option>
	<option value="31" <?php if($day_end == 31) echo 'selected="selected"'; ?> >31</option>
  </select>
  /
  <select name="month_end">
	<option value="1">01</option>
	<option value="2" <?php if($month_end == 2) echo 'selected="selected"'; ?> >02</option>
	<option value="3" <?php if($month_end == 3) echo 'selected="selected"'; ?> >03</option>
	<option value="4" <?php if($month_end == 4) echo 'selected="selected"'; ?> >04</option>
	<option value="5" <?php if($month_end == 5) echo 'selected="selected"'; ?> >05</option>
	<option value="6" <?php if($month_end == 6) echo 'selected="selected"'; ?> >06</option>
	<option value="7" <?php if($month_end == 7) echo 'selected="selected"'; ?> >07</option>
	<option value="8" <?php if($month_end == 8) echo 'selected="selected"'; ?> >08</option>
	<option value="9" <?php if($month_end == 9) echo 'selected="selected"'; ?> >09</option>
	<option value="10" <?php if($month_end == 10) echo 'selected="selected"'; ?> >10</option>
	<option value="11" <?php if($month_end == 11) echo 'selected="selected"'; ?> >11</option>
	<option value="12" <?php if($month_end == 12) echo 'selected="selected"'; ?> >12</option>
  </select>
  /
  <select name="year_end">

<?php
for($i=$thisYear-5;$i <= ($thisYear+5);$i++)
{
?>

	<option value="<?php echo $i; ?>" <?php if($year_end == $i) echo 'selected="selected"'; ?> ><?php echo $i; ?></option>

<?php
}
?>

  </select>
  </td>
</tr>
<tr>
	<td>
		&nbsp;
	</td>
	<td>
		<a href="javascript://" onclick="if(document.getElementById('options').style.display == 'none'){document.getElementById('options').style.display = 'block';}else{document.getElementById('options').style.display = 'none';}"><?php echo get_lang('DefineSessionOptions') ?></a>
		<div style="display: 
			<?php 
				if($formSent){
					if($nb_days_access_before!=0 || $nb_days_access_after!=0) 
						echo 'block'; 
					else echo 'none';
				}
				else{
					if($infos['nb_days_access_before_beginning']!=0 || $infos['nb_days_access_after_end']!=0)
						echo 'block'; 
					else
						echo 'none';
				}
			?>
				;" id="options">
			<br>
			<input type="text" name="nb_days_access_before" value="<?php if($formSent) echo htmlentities($nb_days_access_before,ENT_QUOTES,$charset); else echo htmlentities($infos['nb_days_access_before_beginning'],ENT_QUOTES,$charset); ?>" style="width: 30px;">&nbsp;<?php echo get_lang('DaysBefore') ?><br>
			<input type="text" name="nb_days_access_after" value="<?php if($formSent) echo htmlentities($nb_days_access_after,ENT_QUOTES,$charset); else echo htmlentities($infos['nb_days_access_after_end'],ENT_QUOTES,$charset); ?>" style="width: 30px;">&nbsp;<?php echo get_lang('DaysAfter') ?>
			<br>
		</div>
	</td>
</tr>
<tr>
  <td>&nbsp;</td>
  <td><input type="submit" value="<?php echo get_lang('Ok'); ?>"></td>
</tr>

</table>

</form>
<script type="text/javascript">

<?php if($year_start=="0000") echo "setDisable(document.form.nolimit);\r\n"; ?>

function setDisable(select){

	document.form.day_start.disabled = (select.checked) ? true : false;
	document.form.month_start.disabled = (select.checked) ? true : false;
	document.form.year_start.disabled = (select.checked) ? true : false;

	document.form.day_end.disabled = (select.checked) ? true : false;
	document.form.month_end.disabled = (select.checked) ? true : false;
	document.form.year_end.disabled = (select.checked) ? true : false;


}
</script>
<?php
Display::display_footer();
?>