mirrored from git://git.moodle.org/moodle.git
/
highscores.php
227 lines (199 loc) · 9.3 KB
/
highscores.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Provides the interface for viewing and adding high scores
*
* @package mod
* @subpackage lesson
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
**/
/** include required files */
require_once('../../config.php');
require_once($CFG->dirroot.'/mod/lesson/locallib.php');
$id = required_param('id', PARAM_INT); // Course Module ID
$mode = optional_param('mode', '', PARAM_ALPHA);
$link = optional_param('link', 0, PARAM_INT);
$cm = get_coursemodule_from_id('lesson', $id, 0, false, MUST_EXIST);;
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$lesson = new lesson($DB->get_record('lesson', array('id' => $cm->instance), '*', MUST_EXIST));
require_login($course, false, $cm);
$url = new moodle_url('/mod/lesson/highscores.php', array('id'=>$id));
if ($mode !== '') {
$url->param('mode', $mode);
}
if ($link !== 0) {
$url->param('link', $link);
}
$PAGE->set_url($url);
$context = context_module::instance($cm->id);
switch ($mode) {
case 'add':
// Ensure that we came from view.php
if (!confirm_sesskey() or !data_submitted()) {
print_error('invalidformdata');
}
break;
case 'save':
if (confirm_sesskey() and $form = data_submitted($CFG->wwwroot.'/mod/lesson/view.php')) {
$name = trim(optional_param('name', '', PARAM_CLEAN));
// Make sure it is not empty
if (empty($name)) {
$lesson->add_message(get_string('missingname', 'lesson'));
$mode = 'add';
break;
}
// Check for censored words
$filterwords = explode(',', get_string('censorbadwords'));
foreach ($filterwords as $filterword) {
if (strstr($name, $filterword)) {
$lesson->add_message(get_string('namereject', 'lesson'));
$mode = 'add';
break;
}
}
// Bad word was found
if ($mode == 'add') {
break;
}
$params = array ("lessonid" => $lesson->id, "userid" => $USER->id);
if (!$grades = $DB->get_records_select('lesson_grades', "lessonid = :lessonid", $params, 'completed')) {
print_error('cannotfindfirstgrade', 'lesson');
}
if (!$newgrade = $DB->get_record_sql("SELECT *
FROM {lesson_grades}
WHERE lessonid = :lessonid
AND userid = :userid
ORDER BY completed DESC", $params, true)) {
print_error('cannotfindnewestgrade', 'lesson');
}
// Check for multiple submissions
if ($DB->record_exists('lesson_high_scores', array('gradeid' => $newgrade->id))) {
print_error('onpostperpage', 'lesson');
}
// Find out if we need to delete any records
if ($highscores = $DB->get_records_sql("SELECT h.*, g.grade
FROM {lesson_grades} g, {lesson_high_scores} h
WHERE h.gradeid = g.id
AND h.lessonid = :lessonid
ORDER BY g.grade DESC", $params)) {
// Only count unique scores in our total for max high scores
$uniquescores = array();
foreach ($highscores as $highscore) {
$uniquescores[$highscore->grade] = 1;
}
if (count($uniquescores) >= $lesson->maxhighscores) {
// Top scores list is full, might need to delete a score
$flag = true;
// See if the new score is already listed in the top scores list
// if it is listed, then dont need to delete any records
foreach ($highscores as $highscore) {
if ($newgrade->grade == $highscore->grade) {
$flag = false;
}
}
if ($flag) {
// Pushing out the lowest score (could be multiple records)
$lowscore = 0;
foreach ($highscores as $highscore) {
if (empty($lowscore) or $lowscore > $highscore->grade) {
$lowscore = $highscore->grade;
}
}
// Now, delete all high scores with the low score
foreach ($highscores as $highscore) {
if ($highscore->grade == $lowscore) {
$DB->delete_records('lesson_high_scores', array('id' => $highscore->id));
}
}
}
}
}
$newhighscore = new stdClass;
$newhighscore->lessonid = $lesson->id;
$newhighscore->userid = $USER->id;
$newhighscore->gradeid = $newgrade->id;
$newhighscore->nickname = $name;
$DB->insert_record('lesson_high_scores', $newhighscore);
// Log it
add_to_log($course->id, 'lesson', 'update highscores', "highscores.php?id=$cm->id", $name, $cm->id);
$lesson->add_message(get_string('postsuccess', 'lesson'), 'notifysuccess');
redirect("$CFG->wwwroot/mod/lesson/highscores.php?id=$cm->id&link=1");
} else {
print_error('invalidformdata');
}
break;
}
// Log it
add_to_log($course->id, 'lesson', 'view highscores', "highscores.php?id=$cm->id", $lesson->name, $cm->id);
$lessonoutput = $PAGE->get_renderer('mod_lesson');
echo $lessonoutput->header($lesson, $cm, 'highscores', false, null, get_string('viewhighscores', 'lesson'));
switch ($mode) {
case 'add':
echo $lessonoutput->add_highscores_form($lesson);
break;
default:
$params = array ("lessonid" => $lesson->id);
if (!$grades = $DB->get_records_select("lesson_grades", "lessonid = :lessonid", $params, "completed")) {
$grades = array();
}
echo $OUTPUT->heading(get_string("topscorestitle", "lesson", $lesson->maxhighscores), 4);
if (!$highscores = $DB->get_records_select("lesson_high_scores", "lessonid = :lessonid", $params)) {
echo $OUTPUT->heading(get_string("nohighscores", "lesson"), 3);
} else {
foreach ($highscores as $highscore) {
$grade = $grades[$highscore->gradeid]->grade;
$topscores[$grade][] = $highscore->nickname;
}
krsort($topscores);
$table = new html_table();
$table->align = array('center', 'left', 'right');
$table->wrap = array();
$table->width = "30%";
$table->cellspacing = '10px';
$table->size = array('*', '*', '*');
$table->head = array(get_string("rank", "lesson"), get_string('name'), get_string("scores", "lesson"));
$printed = 0;
while (true) {
$temp = current($topscores);
$score = key($topscores);
$rank = $printed + 1;
sort($temp);
foreach ($temp as $student) {
$table->data[] = array($rank, $student, $score.'%');
}
$printed++;
if (!next($topscores) || !($printed < $lesson->maxhighscores)) {
break;
}
}
echo html_writer::table($table);
}
if (!has_capability('mod/lesson:manage', $context)) { // teachers don't need the links
echo $OUTPUT->box_start('mdl-align');
echo $OUTPUT->box_start('lessonbutton standardbutton');
if ($link) {
echo html_writer::link(new moodle_url('/course/view.php', array('id'=>$course->id)), get_string("returntocourse", "lesson"));
} else {
echo html_writer::link(new moodle_url('/course/view.php', array('id'=>$course->id)), get_string("cancel", "lesson")). ' ';
echo html_writer::link(new moodle_url('/mod/lesson/view.php', array('id'=>$cm->id, 'viewed'=>'1')), get_string("startlesson", "lesson"));
}
echo $OUTPUT->box_end();
echo $OUTPUT->box_end();
}
break;
}
echo $lessonoutput->footer();