chamilo-lms2/main/user/resume_session.php

<?php
/* For licensing terms, see /license.txt */
/**
*	@author Bart Mollet, Julio Montoya lot of fixes
*	@package chamilo.admin
*/
/*		INIT SECTION */

// name of the language file that needs to be included
$language_file = 'admin';
$cidReset = true;
require_once '../inc/global.inc.php';

// setting the section (for the tabs)
$this_section = SECTION_PLATFORM_ADMIN;

$id_session = (int)$_GET['id_session'];

SessionManager::protect_teacher_session_edit($id_session);


$tool_name = get_lang('SessionOverview');

if($_configuration['allow_tutors_to_assign_students_to_session'] == 'true') {
    // Database Table Definitions
    $tbl_session						= Database::get_main_table(TABLE_MAIN_SESSION);
    $tbl_session_rel_class				= Database::get_main_table(TABLE_MAIN_SESSION_CLASS);
    $tbl_session_rel_course				= Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
    $tbl_course							= Database::get_main_table(TABLE_MAIN_COURSE);
    $tbl_user							= Database::get_main_table(TABLE_MAIN_USER);
    $tbl_session_rel_user				= Database::get_main_table(TABLE_MAIN_SESSION_USER);
    $tbl_session_rel_course_rel_user	= Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
    $tbl_session_category				= Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
    
    $table_access_url_user              = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
    
    $sql = 'SELECT name, nbr_courses, nbr_users, nbr_classes, DATE_FORMAT(date_start,"%d-%m-%Y") as date_start, DATE_FORMAT(date_end,"%d-%m-%Y") as date_end, lastname, firstname, username, session_admin_id, nb_days_access_before_beginning, nb_days_access_after_end, session_category_id, visibility
    		FROM '.$tbl_session.' LEFT JOIN '.$tbl_user.' ON id_coach = user_id
    		WHERE '.$tbl_session.'.id='.$id_session;
    
    $rs      = Database::query($sql);
    $session = Database::store_result($rs);
    $session = $session[0];
    
    $sql = 'SELECT name FROM  '.$tbl_session_category.' WHERE id = "'.intval($session['session_category_id']).'"';
    $rs = Database::query($sql);
    $session_category = '';
    
    if (Database::num_rows($rs)>0) {
    	$rows_session_category = Database::store_result($rs);
    	$rows_session_category = $rows_session_category[0];
    	$session_category = $rows_session_category['name'];
    }
    
    $action = isset($_GET['action']) ? $_GET['action'] : null;
    
    $url_id = api_get_current_access_url_id();
    
    switch ($action) {
        case 'add_user_to_url':
            $user_id = $_REQUEST['user_id'];
            $result = UrlManager::add_user_to_url($user_id, $url_id);
            $user_info = api_get_user_info($user_id);
            if ($result) {
                $message = Display::return_message(get_lang('UserAdded').' '.api_get_person_name($user_info['firstname'], $user_info['lastname']), 'confirm');
            }
            break;
        case 'delete':
            $idChecked = $_GET['idChecked'];
            if(is_array($idChecked)) {
                $my_temp = array();
                foreach ($idChecked as $id){
                    $my_temp[]= Database::escape_string($id);// forcing the escape_string
                }
                $idChecked = $my_temp;
    
                $idChecked="'".implode("','",$idChecked)."'";
    
                Database::query("DELETE FROM $tbl_session_rel_course WHERE id_session='$id_session' AND course_code IN($idChecked)");
                $nbr_affected_rows=Database::affected_rows();
    
                Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND course_code IN($idChecked)");
                Database::query("UPDATE $tbl_session SET nbr_courses=nbr_courses-$nbr_affected_rows WHERE id='$id_session'");
            }
    
            if (!empty($_GET['class'])){
                Database::query("DELETE FROM $tbl_session_rel_class WHERE session_id='$id_session' AND class_id=".intval($_GET['class']));
                $nbr_affected_rows=Database::affected_rows();
                Database::query("UPDATE $tbl_session SET nbr_classes=nbr_classes-$nbr_affected_rows WHERE id='$id_session'");
            }
    
            if (!empty($_GET['user'])) {
                Database::query("DELETE FROM $tbl_session_rel_user WHERE relation_type<>".SESSION_RELATION_TYPE_RRHH." AND id_session='$id_session' AND id_user=".intval($_GET['user']));
                $nbr_affected_rows=Database::affected_rows();
    
                Database::query("UPDATE $tbl_session SET nbr_users=nbr_users-$nbr_affected_rows WHERE id='$id_session'");
    
                Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE id_session='$id_session' AND id_user=".intval($_GET['user']));
                $nbr_affected_rows=Database::affected_rows();
    
                Database::query("UPDATE $tbl_session_rel_course SET nbr_users=nbr_users-$nbr_affected_rows WHERE id_session='$id_session'");
            }
            break;
    }
    Display::display_header($tool_name);
    
    if (!empty($_GET['warn'])) {
        Display::display_warning_message(urldecode($_GET['warn']));
    }
    
    if (!empty($message)) {
        echo $message;
    }
    
    echo Display::page_header(Display::return_icon('session.png', get_lang('Session')).' '.$session['name']);
    
    
    echo Display::page_subheader(get_lang('GeneralProperties').$url);
    
    ?>
    <!-- General properties -->
    <table class="data_table">
    <tr>
    	<td><?php echo get_lang('GeneralCoach'); ?> :</td>
    	<td><?php echo api_get_person_name($session['firstname'], $session['lastname']).' ('.$session['username'].')' ?></td>
    </tr>
    <?php if(!empty($session_category)) { ?>
    <tr>
    	<td><?php echo get_lang('SessionCategory') ?></td>
    	<td><?php echo $session_category;  ?></td>
    </tr>
    <?php } ?>
    <tr>
    	<td><?php echo get_lang('Date'); ?> :</td>
    	<td>
    	<?php
    		if ($session['date_start'] == '00-00-0000' && $session['date_end']== '00-00-0000' ) {
    		    echo get_lang('NoTimeLimits');
            }
    		else {
                if ($session['date_start'] != '00-00-0000') {
                	//$session['date_start'] = Display::tag('i', get_lang('NoTimeLimits'));
                    $session['date_start'] =  get_lang('From').' '.$session['date_start'];
                } else {
                	$session['date_start'] = '';
                }
                if ($session['date_end'] == '00-00-0000') {
                    $session['date_end'] ='';
                } else {
                	$session['date_end'] = get_lang('Until').' '.$session['date_end'];
                }
    			echo $session['date_start'].' '.$session['date_end'];
            }
            ?>
    	</td>
    </tr>
    <!-- show nb_days_before and nb_days_after only if they are different from 0 -->
    <tr>
    	<td>
    		<?php echo api_ucfirst(get_lang('DaysBefore')) ?> :
    	</td>
    	<td>
    		<?php echo intval($session['nb_days_access_before_beginning']) ?>
    	</td>
    </tr>
    <tr>
    	<td>
    		<?php echo api_ucfirst(get_lang('DaysAfter')) ?> :
    	</td>
    	<td>
    		<?php echo intval($session['nb_days_access_after_end']) ?>
    	</td>
    </tr>
    <tr>
    	<td>
    		<?php echo api_ucfirst(get_lang('SessionVisibility')) ?> :
    	</td>
    	<td>
    		<?php if ($session['visibility']==1) echo get_lang('ReadOnly'); elseif($session['visibility']==2) echo get_lang('Visible');elseif($session['visibility']==3) echo api_ucfirst(get_lang('Invisible'))  ?>
    	</td>
    </tr>
    
    <?php
    
    $multiple_url_is_on = api_get_multiple_access_url();
    
    if ($multiple_url_is_on) {
        echo '<tr><td>';
        echo 'URL';
        echo '</td>';
        echo '<td>';
        $url_list = UrlManager::get_access_url_from_session($id_session);
        foreach($url_list as $url_data) {
            echo $url_data['url'].'<br />';
        }
        echo '</td></tr>';
    }
    ?>
    </table>
    <br />
    
    <?php
    
    echo Display::page_subheader(get_lang('CourseList').$url);
    
    ?>
    
    <!--List of courses -->
    <table class="data_table">
    <tr>
      <th width="35%"><?php echo get_lang('CourseTitle'); ?></th>
      <th width="30%"><?php echo get_lang('CourseCoach'); ?></th>
      <th width="20%"><?php echo get_lang('UsersNumber'); ?></th>
    </tr>
    <?php
    if ($session['nbr_courses'] == 0){
    	echo '<tr>
    			<td colspan="4">'.get_lang('NoCoursesForThisSession').'</td>
    		</tr>';
    } else {
    	// select the courses
    	$sql = "SELECT code,title,visual_code, nbr_users
    			FROM $tbl_course,$tbl_session_rel_course
    			WHERE course_code = code
    			AND	id_session='$id_session'
    			ORDER BY title";
    	$result=Database::query($sql);
    	$courses=Database::store_result($result);
    	foreach ($courses as $course) {
    		//select the number of users
    
    		$sql = " SELECT count(*) FROM $tbl_session_rel_user sru, $tbl_session_rel_course_rel_user srcru
    				WHERE srcru.id_user = sru.id_user AND srcru.id_session = sru.id_session AND srcru.course_code = '".Database::escape_string($course['code'])."'
    				AND sru.relation_type<>".SESSION_RELATION_TYPE_RRHH." AND srcru.id_session = '".intval($id_session)."'";
    
    		$rs = Database::query($sql);
    		$course['nbr_users'] = Database::result($rs,0,0);
    
    		// Get coachs of the courses in session
    
    		$sql = "SELECT user.lastname,user.firstname,user.username FROM $tbl_session_rel_course_rel_user session_rcru, $tbl_user user
    				WHERE session_rcru.id_user = user.user_id AND session_rcru.id_session = '".intval($id_session)."' AND session_rcru.course_code ='".Database::escape_string($course['code'])."' AND session_rcru.status=2";
    		$rs = Database::query($sql);
    
    		$coachs = array();
    		if (Database::num_rows($rs) > 0) {
    			while($info_coach = Database::fetch_array($rs)) {
    				$coachs[] = api_get_person_name($info_coach['firstname'], $info_coach['lastname']).' ('.$info_coach['username'].')';
    			}
    		} else {
    			$coach = get_lang('None');
    		}
    
    		if (count($coachs) > 0) {
    			$coach = implode('<br />',$coachs);
    		} else {
    			$coach = get_lang('None');
    		}
    
    		$orig_param = '&origin=resume_session';
    		//hide_course_breadcrumb the parameter has been added to hide the name of the course, that appeared in the default $interbreadcrumb
    		echo '
    		<tr>
    			<td>'.Display::url($course['title'].' ('.$course['visual_code'].')', api_get_path(WEB_COURSE_PATH).$course['code'].'/?id_session='.$id_session),'</td>
    			<td>'.$coach.'</td>
    			<td>'.$course['nbr_users'].'</td>
    			
    		</tr>';
    	}
    }
    ?>
    </table>
    <br />
    
    <?php
    
    echo Display::page_subheader(get_lang('UserList').$url);
    
    ?>
    
    <!--List of users -->
    
    <table class="data_table">
        <tr>
            <th>
                <?php echo get_lang('User'); ?>
            </th>
            <th>
                <?php echo get_lang('Actions'); ?>
            </th>
        </tr>
    <?php
    
    if ($session['nbr_users']==0) {
    	echo '<tr>
    			<td colspan="2">'.get_lang('NoUsersForThisSession').'</td>
    		</tr>';
    } else {
    	$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
    
        if ($multiple_url_is_on) {
            $sql = "SELECT u.user_id, lastname, firstname, username, access_url_id
                    FROM $tbl_user u
                    INNER JOIN $tbl_session_rel_user su
                    ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
                    LEFT OUTER JOIN $table_access_url_user uu ON (uu.user_id = u.user_id)
                    WHERE su.id_session = $id_session AND (access_url_id = $url_id OR access_url_id is null )
                    $order_clause";
        } else {
            $sql = "SELECT u.user_id, lastname, firstname, username
                    FROM $tbl_user u
                    INNER JOIN $tbl_session_rel_user su
                    ON u.user_id = su.id_user AND su.relation_type<>".SESSION_RELATION_TYPE_RRHH."
                    AND su.id_session = ".$id_session.$order_clause;
        }
    
    	$result = Database::query($sql);
    	$users  = Database::store_result($result);
    	$orig_param = '&origin=resume_session&id_session='.$id_session; // change breadcrumb in destination page
    	foreach ($users as $user){
            $user_link = '';
            if (!empty($user['user_id'])) {
                $user_link = '<a href="'.api_get_path(WEB_CODE_PATH).'admin/user_information.php?user_id='.intval($user['user_id']).'">'.api_htmlentities(api_get_person_name($user['firstname'], $user['lastname']),ENT_QUOTES,$charset).' ('.$user['username'].')</a>';
            }
    
            $link_to_add_user_in_url = '';
    
            if ($multiple_url_is_on) {
                if ($user['access_url_id'] != $url_id) {
                    $user_link .= ' '.Display::return_icon('warning.png', get_lang('UserNotAddedInURL'), array(), ICON_SIZE_SMALL);
                    $add = Display::return_icon('add.png', get_lang('AddUsersToURL'), array(), ICON_SIZE_SMALL);
                    $link_to_add_user_in_url = '<a href="resume_session.php?action=add_user_to_url&id_session='.$id_session.'&user_id='.$user['user_id'].'">'.$add.'</a>';
                }
            }
    		echo '<tr>
                    <td width="90%">
                        '.$user_link.'
                    </td>
                    <td>
                        <a href="../mySpace/myStudents.php?student='.$user['user_id'].''.$orig_param.'">'.Display::return_icon('statistics.gif', get_lang('Reporting')).'</a>&nbsp;
                        <a href="session_course_user.php?id_user='.$user['user_id'].'&id_session='.$id_session.'">'.Display::return_icon('course.gif', get_lang('BlockCoursesForThisUser')).'</a>&nbsp;
                        <a href="'.api_get_self().'?id_session='.$id_session.'&action=delete&user='.$user['user_id'].'" onclick="javascript:if(!confirm(\''.get_lang('ConfirmYourChoice').'\')) return false;">'.Display::return_icon('delete.png', get_lang('Delete')).'</a>
                        '.$link_to_add_user_in_url.'
                    </td>
                    </tr>';
    	}
    }
    ?>
    </table>
<?php
} else {
    api_not_allowed();
}
// footer
Display :: display_footer();