moodle-mod_attendance/attsettings.php

<?PHP 

    require_once('../../config.php'); 
	require_once('locallib.php');	
	require_once('lib.php');

    $id           		= required_param('id', PARAM_INT);
	$submitsettings		= optional_param('submitsettings');
	$action				= optional_param('action', '', PARAM_MULTILANG);
	$stid					= optional_param('st', 0, PARAM_INT);
	
    if ($id) {
        if (! $cm = $DB->get_record('course_modules', array('id'=> $id))) {
            error('Course Module ID was incorrect');
        }
        if (! $course = $DB->get_record('course', array('id'=> $cm->course))) {
            error('Course is misconfigured');
        }
	    if (! $attforblock = $DB->get_record('attforblock', array('id'=> $cm->instance))) {
	        error("Course module is incorrect");
	    }
    }
    $attforblockrecord = $DB->get_record('attforblock',array('course'=>$course->id));


    require_login($course->id);

    if (! $user = $DB->get_record('user', array('id'=> $USER->id) )) {
        error("No such user in this course");
    }
    
    if (!$context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
        print_error('badcontext');
    }
    
    require_capability('mod/attforblock:manageattendances', $context);
    
 /// Print headers
    $navlinks[] = array('name' => $attforblock->name, 'link' => "view.php?id=$id", 'type' => 'activity');
    $navlinks[] = array('name' => get_string('settings', 'attforblock'), 'link' => null, 'type' => 'activityinstance');
    $navigation = build_navigation($navlinks);
    print_header("$course->shortname: ".$attforblock->name.' - '.get_string('settings','attforblock'), $course->fullname,
                 $navigation, "", "", true, "&nbsp;", navmenu($course));
    
    if (!empty($action)) {
	    switch ($action) {
	    	case 'delete':
		    	if (!$rec = $DB->get_record('attendance_statuses', array('courseid'=> $course->id, 'id'=> $stid))) {
			  		print_error('notfoundstatus', 'attforblock', "attsettings.php?id=$id");
			  	}
		    	if ($DB->count_records('attendance_log', array('statusid'=> $stid))) {
			  		print_error('cantdeletestatus', 'attforblock', "attsettings.php?id=$id");
		    	}
				
		    	$confirm = optional_param('confirm');
		    	if (isset($confirm)) {
		    		$DB->set_field('attendance_statuses', 'deleted', 1, array('id' => $rec->id));
//		    		delete_records('attendance_statuses', 'id', $rec->id);
					redirect('attsettings.php?id='.$id, get_string('statusdeleted','attforblock'), 3);
		    	}
				print_heading(get_string('deletingstatus','attforblock').' :: ' .$course->fullname);
			
				notice_yesno(get_string('deletecheckfull', '', get_string('variable', 'attforblock')).
					             '<br /><br />'.$rec->acronym.': '.
					             ($rec->description ? $rec->description : get_string('nodescription', 'attforblock')),
			                     "attsettings.php?id=$id&amp;st=$stid&amp;action=delete&amp;confirm=1", $_SERVER['HTTP_REFERER']);
				exit;
	    	case 'show':
	    		$DB->set_field('attendance_statuses', 'visible', 1, array('id' => $stid));
	    		break;
	    	case 'hide':
	    		$students = get_users_by_capability($context, 'moodle/legacy:student', '', '', '', '', '', '', false);
	    		$studlist = implode(',', array_keys($students));
	    		if (!$DB->count_records_select('attendance_log', "studentid IN (?) AND statusid = ?", array( $studlist, $stid) )) {
	    			$DB->set_field('attendance_statuses', 'visible', 0, array('id' => $stid));
	    		} else {
	    			print_error('canthidestatus', 'attforblock', "attsettings.php?id=$id");
	    		}
	    		break;
	    	default: //Adding new status
				$newacronym			= optional_param('newacronym', '', PARAM_MULTILANG);
				$newdescription		= optional_param('newdescription', '', PARAM_MULTILANG);
				$newgrade			= optional_param('newgrade', 0, PARAM_INT);
	    		if (!empty($newacronym) && !empty($newdescription)) {
					unset($rec);
	    			$rec->courseid = $course->id;
					$rec->acronym = $newacronym;
					$rec->description = $newdescription;
					$rec->grade = $newgrade;
					$DB->insert_record('attendance_statuses', $rec);
					add_to_log($course->id, 'attendance', 'setting added', 'mod/attforblock/attsettings.php?course='.$course->id, $user->lastname.' '.$user->firstname);
	    		} else {
	    			print_error('cantaddstatus', 'attforblock', "attsettings.php?id=$id");
	    		}
	    		break;
	    }
    }
    
    show_tabs($cm, $context, 'settings');

	if ($submitsettings) {
		config_save(); //////////////////////////////
		notice(get_string('variablesupdated','attforblock'), 'attsettings.php?id='.$id);
	}
	
  	$i = 1;
	$table->width = '100%';
	//$table->tablealign = 'center';
	$table->head = array('#', 
						 get_string('acronym','attforblock'), 
						 get_string('description'), 
						 get_string('grade'),
						 get_string('action'));
	$table->align = array('center', 'center', 'center', 'center', 'center', 'center');
	//$table->size = array('1px', '1px', '*', '1px', '1px', '1px');
    $statuses = get_statuses($course->id, false);
    $deltitle = get_string('delete');
	foreach($statuses as $st)
	{
		$table->data[$i][] = $i;
//		$table->data[$i][] = $st->status;
		$table->data[$i][] = '<input type="text" name="acronym['.$st->id.']" size="2" maxlength="2" value="'.$st->acronym.'" />';
		$table->data[$i][] = '<input type="text" name="description['.$st->id.']" size="30" maxlength="30" value="'.$st->description.'" />';
		$table->data[$i][] = '<input type="text" name="grade['.$st->id.']" size="4" maxlength="4" value="'.$st->grade.'" />';
		
		$action = $st->visible ? 'hide' : 'show';
		$titlevis = get_string($action);
		$deleteact = '';
		if (!$DB->count_records('attendance_log', array('statusid'=> $st->id))) {
			$deleteact = "<a title=\"$deltitle\" href=\"attsettings.php?id=$cm->id&amp;st={$st->id}&amp;action=delete\">".
						 "<img src=\"{$CFG->pixpath}/t/delete.gif\" alt=\"$deltitle\" /></a>&nbsp;";
		}
		$table->data[$i][] = "<a title=\"$titlevis\" href=\"attsettings.php?id=$cm->id&amp;st={$st->id}&amp;action=$action\">".
							 "<img src=\"{$CFG->pixpath}/t/{$action}.gif\" alt=\"$titlevis\" /></a>&nbsp;".
							 $deleteact;
		$i++;
	}
	$new_row = array('*',
					 '<input type="text" name="newacronym" size="2" maxlength="2" value="" />',
					 '<input type="text" name="newdescription" size="30" maxlength="30" value="" />',
					 '<input type="text" name="newgrade" size="4" maxlength="4" value="" />',
					 '<input type="submit" name="action" value="'.get_string('add', 'attforblock').'">'
					);
	$table->data[$i] = $new_row;
	
    echo '<div align="center"><div class="generalbox boxwidthwide">';
    echo '<form aname="gsess" method="post" action="attsettings.php" onSubmit="return validateSession()">';
    echo '<h1 class="main help">'.get_string('myvariables','attforblock').helpbutton ('myvariables', get_string('myvariables','attforblock'), 'attforblock', true, false, '', true).'</h1>';
	print_table($table);
    echo '<input type="hidden" name="id" value="'.$id.'"><br />';
    echo '<input type="submit" name="submitsettings" value="'.get_string("update",'attforblock').'">';
	echo '</form></div></div>';
	
	print_footer($course);
	
	
function config_save()
{
	global $course, $user, $attforblockrecord, $DB;
	
	$acronym 		= required_param('acronym');
	$description	= required_param('description');
	$grade			= required_param('grade',PARAM_INT);
	
	foreach ($acronym as $id => $v) {
		$rec = $DB->get_record('attendance_statuses', array('id'=> $id));
		$rec->acronym = $acronym[$id];
		$rec->description = $description[$id];
		$rec->grade = $grade[$id];
		$DB->update_record('attendance_statuses', $rec);
		add_to_log($course->id, 'attendance', 'settings updated', 'mod/attforblock/attsettings.php?course='.$course->id, $user->lastname.' '.$user->firstname);
	}
	attforblock_update_grades($attforblockrecord);	
}
	
?>