chamilo-lms/main/course_home/activity.php

<?php
/* For licensing terms, see /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 chamilo.course_home
 */
$id = isset($_GET['id']) ? (int) $_GET['id'] : null;
$course_id = api_get_course_int_id();
$session_id = api_get_session_id();

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

// Course legal
$enabled = api_get_plugin_setting('courselegal', 'tool_enable');
$pluginExtra = null;
if ($enabled === 'true') {
    require_once api_get_path(SYS_PLUGIN_PATH).'courselegal/config.php';
    $plugin = CourseLegalPlugin::create();
    $pluginExtra = $plugin->getTeacherLink();
}

// Start of tools for CourseAdmins (teachers/tutors)
if ($session_id === 0 && api_is_course_admin() && api_is_allowed_to_edit(null, true)) {
    $content .= '<div class="alert alert-success" style="border:0px; margin-top: 0px;padding:0px;">
		<div class="normal-message" id="id_normal_message" style="display:none">';
    $content .= '<img src="'.api_get_path(WEB_PATH).'main/inc/lib/javascript/indicator.gif"/>&nbsp;&nbsp;';
    $content .= get_lang('PleaseStandBy');
    $content .= '</div>
		<div class="alert alert-success" id="id_confirmation_message" style="display:none"></div>
	</div>';
    $content .= $pluginExtra;
} elseif (api_is_coach()) {
    $content .= $pluginExtra;
    if (api_get_setting('show_session_data') === 'true' && $session_id > 0) {
        $content .= '<div class="row">
            <div class="col-xs-12 col-md-12">
			<span class="viewcaption">'.get_lang('SessionData').'</span>
			<table class="course_activity_home">';
        $content .= CourseHome::show_session_data($session_id);
        $content .= '</table></div></div>';
    }
}

$blocks = CourseHome::getUserBlocks();
$activityView = new Template('', false, false, false, false, false, false);
$activityView->assign('blocks', $blocks);

$content .= $activityView->fetch(
    $activityView->get_template('course_home/activity.tpl')
);