<?php 
/* For licensing terms, see /chamilo_license.txt */
/**
==============================================================================
*         HOME PAGE FOR EACH COURSE
*
*	This page, included in every course's index.php is the home
*	page. To make administration simple, the teacher edits his
*	course from the home page. Only the login detects that the
*	visitor is allowed to activate, deactivate home page links,
*	access to the teachers tools (statistics, edit forums...).
*
*	@package dokeos.course_home
==============================================================================
*/
require_once '../../main/inc/global.inc.php';
require_once api_get_path(LIBRARY_PATH).'course_home.lib.php';

//	MAIN CODE
if(api_is_allowed_to_edit(null,true)) {
	//HIDE
	if(!empty($_GET['hide'])) // visibility 1 -> 0
	{
		/* -- session condition for visibility
		if (!empty($session_id)) {			
			$sql = "select session_id FROM $tool_table WHERE id='".intval($_GET["id"])."' AND session_id = '".intval($session_id)."'";
			$rs = Database::query($sql,__FILE__,__LINE__);
			if (Database::num_rows($rs) > 0) { 
	 			$sql="UPDATE $tool_table SET visibility=0 WHERE id='".intval($_GET["id"])."' AND session_id = '".intval($session_id)."'";
			} else {
				$sql_select = "select * FROM $tool_table WHERE id='".$_GET["id"]."'";
				$res_select = Database::query($sql_select,__FILE__,__LINE__);
				$row_select = Database::fetch_array($res_select);					
				$sql = "INSERT INTO $tool_table(name,link,image,visibility,admin,address,added_tool,target,category,session_id)
						VALUES('{$row_select['name']}','{$row_select['link']}','{$row_select['image']}','0','{$row_select['admin']}','{$row_select['address']}','{$row_select['added_tool']}','{$row_select['target']}','{$row_select['category']}','$session_id')";
			}									
		} else {				
			$sql="UPDATE $tool_table SET visibility=0 WHERE id='".intval($_GET["id"])."'";
		}*/		
		$sql="UPDATE $tool_table SET visibility=0 WHERE id='".intval($_GET["id"])."'";
		Database::query($sql,__FILE__,__LINE__);				
		Display::display_confirmation_message(get_lang('ToolIsNowHidden'));
	} elseif(!empty($_GET['restore'])) {
		// visibility 0,2 -> 1
		//REACTIVATE
		$sql = 	"UPDATE $tool_table SET visibility=1 WHERE id='".intval($_GET["id"])."'";			
		Database::query($sql,__FILE__,__LINE__);
		Display::display_confirmation_message(get_lang('ToolIsNowVisible'));
	}
}

// work with data post askable by admin of course
if (api_is_platform_admin()) {
	// Show message to confirm that a tools must be hidden from available tools
	// visibility 0,1->2
	if (!empty($_GET['askDelete'])) {
?>
			<div id="toolhide">
			<?php echo get_lang("DelLk")?>
			<br />&nbsp;&nbsp;&nbsp;
			<a href="<?php echo api_get_self()?>"><?php echo get_lang("No")?></a>&nbsp;|&nbsp;
			<a href="<?php echo api_get_self()?>?delete=yes&id=<?php echo Security::remove_XSS($_GET['id'])?>"><?php echo get_lang("Yes")?></a>
			</div>
<?php
	}
	/*
	 * Process hiding a tools from available tools.
	 */
	elseif (isset($_GET["delete"]) && $_GET["delete"]) {
		//where $id is set?
		$id = intval($id);
		Database::query("DELETE FROM $tool_table WHERE id='$id' AND added_tool=1",__FILE__,__LINE__);
	}
}


/*
==============================================================================
		COURSE ADMIN ONLY VIEW
==============================================================================
*/

// start of tools for CourseAdmins (teachers/tutors)
if(api_is_allowed_to_edit(null,true) && !api_is_coach()) {

    $current_protocol  = $_SERVER['SERVER_PROTOCOL'];
    $current_host      = $_SERVER['HTTP_HOST'];
    $server_protocol = substr($current_protocol,0,strrpos($current_protocol,'/'));
    $server_protocol = $server_protocol.'://';
    if ($current_host == 'localhost') {
      //Get information of path
      $info = explode('courses',api_get_self());
      $path_work = substr($info[0], 0, strlen($info[0]));
    } else {
      $path_work = "";
    }

?>
	<div class="courseadminview" style="border:0px; margin-top: 0px;padding:5px 0px;">
		<div class="normal-message" id="id_normal_message" style="display:none">		
		<?php			
			echo '<img src="'.$server_protocol.$current_host.'/'.$path_work.'main/inc/lib/javascript/indicator.gif"/>'."&nbsp;&nbsp;";
			echo get_lang('PleaseStandBy');
		?>
		</div>
		<div class="confirmation-message" id="id_confirmation_message" style="display:none"></div>
	</div>
	
	<?php
	if (api_get_setting('show_session_data') === 'true' && $id_session > 0) {
	?>
	<div class="courseadminview">
		<span class="viewcaption"><?php echo get_lang("SessionData") ?></span>
		<table width="100%">
			<?php echo show_session_data($id_session);?>
		</table>
	</div>
	<?php
	}
	?>
	<div class="courseadminview">
		<span class="viewcaption"><?php echo get_lang("Authoring") ?></span>
		<table width="100%">
			<?php 
			$my_list = CourseHome::get_tools_category(TOOL_AUTHORING); 
			CourseHome::show_tools_category($my_list);
			?>
		</table>
	</div>
	<div class="courseadminview">
		<span class="viewcaption"><?php echo get_lang("Interaction") ?></span>
		<table width="100%">
			<?php 
			$my_list = CourseHome::get_tools_category(TOOL_INTERACTION); 
			CourseHome::show_tools_category($my_list);
			?>
		</table>
	</div>
	<div class="courseadminview">
		<span class="viewcaption"><?php echo get_lang("Administration") ?></span>
		<table width="100%">
			<?php 
			$my_list = CourseHome::get_tools_category(TOOL_ADMIN_PLATEFORM); 
			CourseHome::show_tools_category($my_list);
			?>
		</table>
	</div>

	<?php
} elseif (api_is_coach()) {

	if (api_get_setting('show_session_data') === 'true' && $id_session > 0) {
	?>
		<div class="courseadminview">
			<span class="viewcaption"><?php echo get_lang("SessionData") ?></span>
			<table width="100%">
				<?php echo CourseHome::show_session_data($id_session);?>
			</table>
		</div>
	<?php
	}
	?>
		<div class="Authoringview">
			<table width="100%">
				<?php $my_list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW); CourseHome::show_tools_category($my_list);?>
			</table>
		</div>
	<?php
//		TOOLS AUTHORING
} else {
    $my_list = CourseHome::get_tools_category(TOOL_STUDENT_VIEW);
    if (count($my_list)>0) {
?>
	<div class="Authoringview">

		<table width="100%">
			<?php CourseHome::show_tools_category($my_list);?>
		</table>
	</div>
<?php
    }
}