Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/plugin/dashboard/block_teacher/block_teacher.class.php

207 lines
6.3 KiB

<?php
/**
* This file is part of teacher block plugin for dashboard,
* it should be required inside dashboard controller for showing it into dashboard interface from plattform
* @package chamilo.dashboard
* @author Christian Fasanando
*/
/**
* required files for getting data
*/
/**
* This class is used like controller for teacher block plugin,
* the class name must be registered inside path.info file
* (e.g: controller = "BlockTeacher"), so dashboard controller will be instantiate it
* @package chamilo.dashboard
*/
class BlockTeacher extends Block
{
private $user_id;
private $teachers;
private $path;
private $permission = array(DRH);
/**
* Controller
*/
public function __construct ($user_id)
{
$this->user_id = $user_id;
$this->path = 'block_teacher';
if ($this->is_block_visible_for_user($user_id)) {
$this->teachers = UserManager::get_users_followed_by_drh($user_id, COURSEMANAGER);
}
}
/**
* This method check if a user is allowed to see the block inside dashboard interface
* @param int User id
* @return bool Is block visible for user
*/
public function is_block_visible_for_user($user_id)
{
$user_info = api_get_user_info($user_id);
$user_status = $user_info['status'];
$is_block_visible_for_user = false;
if (UserManager::is_admin($user_id) || in_array($user_status, $this->permission)) {
$is_block_visible_for_user = true;
}
return $is_block_visible_for_user;
}
/**
* This method return content html containing information about teachers and its position for showing it inside dashboard interface
* it's important to use the name 'get_block' for beeing used from dashboard controller
* @return array column and content html
*/
public function get_block()
{
global $charset;
$column = 1;
$data = array();
$teacher_content_html = $this->get_teachers_content_html_for_drh();
$html = '
<li class="widget color-blue" id="intro">
<div class="widget-head">
<h3>'.get_lang('TeachersInformationsList').'</h3>
<div class="widget-actions"><a onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">'.Display::return_icon('close.gif',get_lang('Close')).'</a></div>
</div>
<div class="widget-content">
'.$teacher_content_html.'
</div>
</li>
';
$data['column'] = $column;
$data['content_html'] = $html;
return $data;
}
/**
* This method return a content html, it's used inside get_block method for showing it inside dashboard interface
* @return string content html
*/
public function get_teachers_content_html_for_platform_admin()
{
$teachers = $this->teachers;
$content = '<div style="margin:10px;">';
$content .= '<h3><font color="#000">'.get_lang('YourTeachers').'</font></h3>';
$teachers_table = null;
if (count($teachers) > 0) {
$teachers_table .= '<table class="data_table" width:"95%">';
$teachers_table .= '
<tr>
<th>'.get_lang('User').'</th>
<th>'.get_lang('TimeSpentOnThePlatform').'</th>
<th>'.get_lang('LastConnexion').'</th>
</tr>
';
$i = 1;
foreach ($teachers as $teacher) {
$teacher_id = $teacher['user_id'];
$firstname = $teacher['firstname'];
$lastname = $teacher['lastname'];
$username = $teacher['username'];
$time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($teacher_id));
$last_connection = Tracking :: get_last_connection_date($teacher_id);
if ($i%2 == 0) $class_tr = 'row_odd';
else $class_tr = 'row_even';
$teachers_table .= '
<tr class="'.$class_tr.'">
<td>'.api_get_person_name($firstname,$lastname).' ('.$username.')</td>
<td align="right">'.$time_on_platform.'</td>
<td align="right">'.$last_connection.'</td>
</tr>
';
$i++;
}
$teachers_table .= '</table>';
} else {
$teachers_table .= get_lang('ThereIsNoInformationAboutYourTeachers');
}
$content .= $teachers_table;
if (count($teachers) > 0) {
$content .= '<div style="text-align:right;margin-top:10px;">
<a href="'.api_get_path(WEB_CODE_PATH).'mySpace/index.php?view=admin">'.get_lang('SeeMore').'</a></div>';
}
$content .= '</div>';
return $content;
}
public function get_teachers_content_html_for_drh()
{
$teachers = $this->teachers;
$content = '<div style="margin:10px;">';
$content .= '<h3><font color="#000">'.get_lang('YourTeachers').'</font></h3>';
$teachers_table = null;
if (count($teachers) > 0) {
$a_last_week = get_last_week();
$last_week = date('Y-m-d',$a_last_week[0]).' '.get_lang('To').' '.date('Y-m-d', $a_last_week[6]);
$teachers_table .= '<table class="data_table" width:"95%">';
$teachers_table .= '
<tr>
<th>'.get_lang('User').'</th>
<th>'.get_lang('TimeSpentLastWeek').'<br />'.$last_week.'</th>
</tr>
';
$i = 1;
foreach ($teachers as $teacher) {
$teacher_id = $teacher['user_id'];
$firstname = $teacher['firstname'];
$lastname = $teacher['lastname'];
$username = $teacher['username'];
$time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($teacher_id,true));
if ($i%2 == 0) $class_tr = 'row_odd';
else $class_tr = 'row_even';
$teachers_table .= '<tr class="'.$class_tr.'">
<td>'.api_get_person_name($firstname,$lastname).' ('.$username.')</td>
<td align="right">'.$time_on_platform.'</td>
</tr>';
$i++;
}
$teachers_table .= '</table>';
} else {
$teachers_table .= get_lang('ThereIsNoInformationAboutYourTeachers');
}
$content .= $teachers_table;
if (count($teachers) > 0) {
$content .= '<div style="text-align:right;margin-top:10px;"><a href="'.api_get_path(WEB_CODE_PATH).'mySpace/teachers.php">'.get_lang('SeeMore').'</a></div>';
}
$content .= '</div>';
return $content;
}
/**
* Get number of teachers
* @return int
*/
function get_number_of_teachers()
{
return count($this->teachers);
}
}