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Added proper page comments and inform user when attempts have been deleted

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This commit is contained in:
mark-nielsen 2006-09-10 01:40:38 +00:00
parent d2d7f39064
commit 8d1b4ee7b5
1 changed files with 42 additions and 36 deletions
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78
mod/lesson/report.php
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@ -1,8 +1,11 @@
<?PHP
/**************************************************************************
this file displays the lesson statistics.
**************************************************************************/
<?php // $Id$
/**
* Displays the lesson statistics.
*
* @version $Id$
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package lesson
**/
require_once('../../config.php');
require_once('locallib.php');
@ -29,47 +32,50 @@
require_capability('mod/lesson:manage', $context);
/// Process any form data before fetching attempts, grades and times
if (has_capability('mod/lesson:edit', $context) and $form = data_submitted()) {
confirm_sesskey();
if (confirm_sesskey() and
has_capability('mod/lesson:edit', $context) and
$form = data_submitted($CFG->wwwroot.'/mod/lesson/report.php')) {
/// Cycle through array of userids with nested arrays of tries
foreach ($form->attempts as $userid => $tries) {
// Modifier IS VERY IMPORTANT! What does it do?
// Well, it is for when you delete multiple attempts for the same user.
// If you delete try 1 and 3 for a user, then after deleting try 1, try 3 then
// becomes try 2 (because try 1 is gone and all tries after try 1 get decremented).
// So, the modifier makes sure that the submitted try refers to the current try in the
// database - hope this all makes sense :)
$modifier = 0;
if (!empty($form->attempts)) {
foreach ($form->attempts as $userid => $tries) {
// Modifier IS VERY IMPORTANT! What does it do?
// Well, it is for when you delete multiple attempts for the same user.
// If you delete try 1 and 3 for a user, then after deleting try 1, try 3 then
// becomes try 2 (because try 1 is gone and all tries after try 1 get decremented).
// So, the modifier makes sure that the submitted try refers to the current try in the
// database - hope this all makes sense :)
$modifier = 0;
foreach ($tries as $try => $junk) {
$try -= $modifier;
foreach ($tries as $try => $junk) {
$try -= $modifier;
/// Clean up the timer table
$timeid = get_field_sql("SELECT id FROM {$CFG->prefix}lesson_timer
WHERE userid = $userid AND lessonid = $lesson->id
ORDER BY starttime ".sql_paging_limit($try, 1));
/// Clean up the timer table
$timeid = get_field_sql("SELECT id FROM {$CFG->prefix}lesson_timer
WHERE userid = $userid AND lessonid = $lesson->id
ORDER BY starttime ".sql_paging_limit($try, 1));
delete_records('lesson_timer', 'id', $timeid);
delete_records('lesson_timer', 'id', $timeid);
/// Remove the grade from the grades and high_scores tables
$gradeid = get_field_sql("SELECT id FROM {$CFG->prefix}lesson_grades
WHERE userid = $userid AND lessonid = $lesson->id
ORDER BY completed ".sql_paging_limit($try, 1));
/// Remove the grade from the grades and high_scores tables
$gradeid = get_field_sql("SELECT id FROM {$CFG->prefix}lesson_grades
WHERE userid = $userid AND lessonid = $lesson->id
ORDER BY completed ".sql_paging_limit($try, 1));
delete_records('lesson_grades', 'id', $gradeid);
delete_records('lesson_high_scores', 'gradeid', $gradeid, 'lessonid', $lesson->id, 'userid', $userid);
delete_records('lesson_grades', 'id', $gradeid);
delete_records('lesson_high_scores', 'gradeid', $gradeid, 'lessonid', $lesson->id, 'userid', $userid);
/// Remove attempts and update the retry number
delete_records('lesson_attempts', 'userid', $userid, 'lessonid', $lesson->id, 'retry', $try);
execute_sql("UPDATE {$CFG->prefix}lesson_attempts SET retry = retry - 1 WHERE userid = $userid AND lessonid = $lesson->id AND retry > $try", false);
/// Remove attempts and update the retry number
delete_records('lesson_attempts', 'userid', $userid, 'lessonid', $lesson->id, 'retry', $try);
execute_sql("UPDATE {$CFG->prefix}lesson_attempts SET retry = retry - 1 WHERE userid = $userid AND lessonid = $lesson->id AND retry > $try", false);
/// Remove seen branches and update the retry number
delete_records('lesson_branch', 'userid', $userid, 'lessonid', $lesson->id, 'retry', $try);
execute_sql("UPDATE {$CFG->prefix}lesson_branch SET retry = retry - 1 WHERE userid = $userid AND lessonid = $lesson->id AND retry > $try", false);
/// Remove seen branches and update the retry number
delete_records('lesson_branch', 'userid', $userid, 'lessonid', $lesson->id, 'retry', $try);
execute_sql("UPDATE {$CFG->prefix}lesson_branch SET retry = retry - 1 WHERE userid = $userid AND lessonid = $lesson->id AND retry > $try", false);
$modifier++;
$modifier++;
}
}
lesson_set_message(get_string('attemptsdeleted', 'lesson'), 'notifysuccess');
}
}