mirror of https://github.com/BOINC/boinc.git
80 lines
2.0 KiB
PHP
80 lines
2.0 KiB
PHP
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<?php
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// Bolt scheduler. POST args:
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// course_id: course ID
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// action:
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// 'show' or none: show current (or first) item
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// 'next': go to next lesson
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// answers:
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// JSON represenation of exercise answers
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require_once("../inc/bolt.inc");
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require_once("../inc/bolt_db.inc");
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require_once("../inc/util.inc");
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$user = get_logged_in_user();
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$course_id = get_int('course_id');
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$view_id = get_int('view_id', true);
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$action = get_str('action', true);
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$course = BoltCourse::lookup_id($course_id);
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if (!$course) {
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error_page("no such course");
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}
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$course_doc = require_once($course->doc_file);
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if ($view_id) {
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$view = BoltView::lookup_id($view_id);
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if ($view && $view->user_id == $user->id && !$view->end_time) {
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$now = time();
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$view->update("end_time=$now");
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}
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}
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$e = BoltEnrollment::lookup($user->id, $course_id);
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if ($e) {
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$iter = new BoltIter($course_doc);
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$iter->stack = json_decode($e->state);
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if ($action == 'next') {
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$item = $iter->next();
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$state = json_encode($iter->stack);
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$e->update_aux("state='$state' where user_id=$user->id and course_id=$course_id");
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} else if ($action == 'start') {
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$iter->stack = null;
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$item = $iter->at();
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$state = json_encode($iter->stack);
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$e->update_aux("state='$state' where user_id=$user->id and course_id=$course_id");
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} else {
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$item = $iter->at();
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}
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} else {
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$iter = new BoltIter($course_doc);
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$item = $iter->at();
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$e = new BoltEnrollment($course);
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$e->user_id = $user->id;
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$e->course_id = $course_id;
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$e->state = json_encode($iter->stack);
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$e->insert();
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}
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if (!$item) {
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page_head("Done with course");
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echo "All done!";
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page_tail();
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exit();
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}
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$view = new BoltView();
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$view->user_id = $user->id;
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$view->course_id = $course_id;
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$view->item_name = $item->name;
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$view->insert();
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require_once($item->filename);
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echo "<p><a href=bolt_sched.php?course_id=$course_id&action=next&view_id=$view->id>Next</a>";
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?>
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