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boinc
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- bolt stuff 

svn path=/trunk/boinc/; revision=14374
This commit is contained in:
David Anderson 2007-12-12 04:43:04 +00:00
parent 820eb30596
commit 69042c3284
4 changed files with 60 additions and 53 deletions
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18
db/bolt_schema.sql
View File

@ -20,24 +20,34 @@ create table bolt_enrollment (
create_time integer not null,
user_id integer not null,
course_id integer not null,
last_view integer not null,
fraction_done double not null,
mastery double not null,
last_view_id integer not null,
mastery double not null
);
-- represents a view of an item;
-- created when we show the item,
-- and finalized when the user clicks on something to leave the page
--
create table bolt_view (
id integer not null auto_increment,
user_id integer not null,
course_id integer not null,
item_name varchar(255) not null,
-- name of the item
state text not null,
-- course state
mode integer not null,
-- distnguishes exercise show/answer
action integer not null,
-- what the user clicked
start_time integer not null,
end_time integer not null,
previous_view integer not null,
prev_view_id integer not null,
fraction_done double not null,
result_id integer not null,
-- if this was an exercise show, link to result record
refresh_id integer not null,
-- if unit was flagged for review, link to review record
primary key (id)
);

9
html/inc/bolt_db.inc
View File

@ -10,8 +10,9 @@ define('BOLT_MODE_ANSWER', 4);
define('BOLT_ACTION_NONE', 0);
define('BOLT_ACTION_NEXT', 1);
define('BOLT_ACTION_SUBMIT', 2);
define('BOLT_ACTION_QUESTION', 3);
define('BOLT_ACTION_PREV', 2);
define('BOLT_ACTION_SUBMIT', 3);
define('BOLT_ACTION_QUESTION', 4);
class BoltDb extends DbConn {
static $instance;
@ -45,6 +46,10 @@ class BoltDb extends DbConn {
}
return $instance;
}
static function escape_string($string) {
$db = self::get();
return $db->base_escape_string($string);
}
}
class BoltUser {

9
html/inc/bolt_ex.inc
View File

@ -76,7 +76,8 @@ function bolt_inclusive_choice($choices) {
$score = 0;
shuffle($choices);
foreach ($choices as $choice) {
$response = $_GET["q_".$bolt_ex_index."_$i"];
$key = "q_".$bolt_ex_index."_$i";
$response = array_key_exists($key, $_GET);
$r = $choice[1];
$correct = ($r && $response) || (!$r && !$response);
if ($correct) $score += 1./$n;
@ -88,12 +89,14 @@ function bolt_inclusive_choice($choices) {
$n = count($choices);
shuffle($choices);
start_table();
table_header("", "correct?", "your answer");
foreach ($choices as $choice) {
$c = $choice[0];
$response = $_GET["q_$bolt_ex_index_$i"];
$key = "q_".$bolt_ex_index."_$i";
$response = array_key_exists($key, $_GET);
$r = $choice[1];
$correct = ($r && $response) || (!$r && !$response);
row2($c, $x);
table_row($c, $r?"X":"<br>", $response?"X":"<br>");
$i++;
}
end_table();

77
html/user/bolt_sched.php
View File

@ -50,37 +50,18 @@ function default_mode($item) {
return $item->is_exercise()?BOLT_MODE_SHOW:BOLT_MODE_LESSON;
}
function create_view($user, $course, $item, $mode) {
function create_view($user, $course, $iter, $mode) {
$now = time();
return BoltView::insert("(user_id, course_id, item_name, start_time, mode) values ($user->id, $course->id, '$item->name', $now, $mode)");
}
function get_current_item($e, $course_doc) {
$frac_done = 0;
$iter = new BoltIter($course_doc);
$iter->decode_state($e->state);
$iter->at();
return $iter;
}
function get_next_item($e, $course_doc) {
$iter = new BoltIter($course_doc);
$iter->decode_state($e->state);
$iter->next();
$item = $iter->item;
$state = $iter->encode_state();
$e->update("state='$state'");
return $iter;
return BoltView::insert("(user_id, course_id, item_name, start_time, mode, state, fraction_done) values ($user->id, $course->id, '$item->name', $now, $mode, '$state', $iter->frac_done)");
}
function show_item(
$item, $frac_done, $user, $course, $e, $view_id, $mode
) {
function show_item($iter, $user, $course, $view_id, $mode) {
global $bolt_ex_mode;
global $bolt_ex_index;
$now = time();
$e->update("last_view=$now, fraction_done=$frac_done");
$item = $iter->item;
if ($item->is_exercise()) {
$bolt_ex_mode = $mode;
$bolt_ex_index = 0;
@ -106,8 +87,9 @@ function show_item(
echo "<p><a href=bolt_sched.php?course_id=$course->id&action=next&view_id=$view_id>Next</a>";
}
echo "<p>Fraction done: $frac_done
<a href=bolt_course.php?course_id=$course->id>Course history</a>
echo "<p>Fraction done: $iter->frac_done
<p><a href=bolt_course.php?course_id=$course->id>Course history</a>
<p><a href=bolt_sched.php?course_id=$course->id&action=prev&view_id=$view_id>Prev</a>
";
}
@ -117,13 +99,10 @@ function start_course($user, $course, $course_doc) {
$iter->at();
$now = time();
print_r($iter->state);
$state = $iter->encode_state();
BoltEnrollment::insert("(create_time, user_id, course_id, state) values ($now, $user->id, $course->id, '$state')");
$e = BoltEnrollment::lookup($user->id, $course->id);
$mode = default_mode($iter->item);
$view_id = create_view($user, $course, $iter->item, $mode);
show_item($iter->item, 0, $user, $course, $e, $view_id, $mode);
$view_id = create_view($user, $course, $iter, $mode);
BoltEnrollment::insert("(create_time, user_id, course_id, last_view_id) values ($now, $user->id, $course->id, $view_id)");
show_item($iter, $user, $course, $view_id, $mode);
}
$e = BoltEnrollment::lookup($user->id, $course_id);
@ -152,22 +131,33 @@ case 'start_confirm':
case 'update_info':
update_info();
start_course($user, $course, $course_doc);
case 'prev':
$view = finalize_view($user, $view_id, BOLT_ACTION_NEXT);
break;
case 'next': // "next" button in lesson or exercise answer page
$view = finalize_view($user, $view_id, BOLT_ACTION_NEXT);
$iter = get_next_item($e, $course_doc);
$iter = new BoltIter($course_doc);
$iter->decode_state($view->state);
$iter->next();
if (!$iter->item) {
page_head("Done with course");
echo "All done!";
page_tail();
exit();
}
$state = $iter->encode_state();
$mode = default_mode($iter->item);
$view_id = create_view($user, $course, $iter->item, $mode);
show_item($iter->item, $iter->frac_done, $user, $course, $e, $view_id, $mode);
$view_id = create_view($user, $course, $iter, $mode);
show_item($iter, $user, $course, $view_id, $mode);
break;
case 'answer': // submit answer in exercise
$view = finalize_view($user, $view_id, BOLT_ACTION_SUBMIT);
$iter = get_current_item($e, $course_doc);
$iter = new BoltIter($course_doc);
$iter->decode_state($view->state);
$iter->at();
$item = $iter->item;
if (!$item->is_exercise()) {
error_page("expected an exercise");
@ -191,17 +181,16 @@ case 'answer': // submit answer in exercise
);
$view->update("result_id=$result_id");
srand($view_id);
$view_id = create_view($user, $course, $item, BOLT_MODE_ANSWER);
show_item(
$iter->item, $iter->frac_done, $user, $course, $e,
$view_id, BOLT_MODE_ANSWER
);
$view_id = create_view($user, $course, $iter, BOLT_MODE_ANSWER);
show_item($iter, $user, $course, $view_id, BOLT_MODE_ANSWER);
break;
default:
$iter = get_current_item($e, $course_doc);
$iter = new BoltIter($course_doc);
$iter->decode_state($view->state);
$iter->at();
$mode = default_mode($iter->item);
$view_id = create_view($user, $course, $iter->item, $mode);
show_item($iter->item, $iter->frac_done, $user, $course, $e, $view_id, $mode);
$view_id = create_view($user, $course, $iter, $mode);
show_item($iter, $user, $course, $view_id, $mode);
break;
}