mirror of https://github.com/BOINC/boinc.git
267 lines
7.9 KiB
PHP
267 lines
7.9 KiB
PHP
<?php
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require_once("../inc/db_conn.inc");
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require_once("../inc/util.inc");
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define('BOLT_PHASE_STUDY', 1);
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// sequential progress through course
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define('BOLT_PHASE_REVIEW', 2);
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// review and repeat of an exercise set
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define('BOLT_PHASE_REFRESH', 3);
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// timed repeat of exercise set, and possibly review and repeat
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define('BOLT_MODE_LESSON', 1);
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define('BOLT_MODE_SHOW', 2);
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define('BOLT_MODE_SCORE', 3);
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define('BOLT_MODE_ANSWER', 4);
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define('BOLT_MODE_FINISHED', 5);
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define('BOLT_ACTION_NONE', 0);
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define('BOLT_ACTION_NEXT', 1);
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define('BOLT_ACTION_PREV', 2);
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define('BOLT_ACTION_SUBMIT', 3);
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define('BOLT_ACTION_QUESTION', 4);
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define('BOLT_ACTION_COURSE_HOME', 5);
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define('BOLT_ACTION_REVIEW', 6);
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define('BOLT_ACTION_REPEAT', 7);
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define('BOLT_COURSE_NOT_STARTED', 1);
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define('BOLT_COURSE_STARTED', 2);
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define('BOLT_COURSE_FINISHED', 3);
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// bits in bolt_user.flags
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define('BOLT_FLAGS_DEBUG', 1); // print debugging info in output pages
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define('BOLT_FLAGS_SHOW_ALL', 2); // show hidden courses
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class BoltDb extends DbConn {
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static $instance;
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static function get() {
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if (web_stopped()) {
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if ($generating_xml) {
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xml_error(-183);
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} else {
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page_head("Page not available");
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echo "This page requires database access.
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Our database server is temporarily shut down for maintenance.
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Please try again later.
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";
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page_tail();
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}
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exit();
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}
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if (!isset($instance)) {
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$config = get_config();
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$user = parse_config($config, '<bolt_db_user>');
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$passwd = parse_config($config, '<bolt_db_passwd>');
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$host = parse_config($config, '<bolt_db_host>');
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$name = parse_config($config, '<bolt_db_name>');
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if ($host == null) {
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$host = "localhost";
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}
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$instance = new DbConn();
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$retval = $instance->init_conn($user, $passwd, $host, $name);
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if (!$retval) return null;
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}
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return $instance;
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}
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static function escape_string($string) {
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$db = self::get();
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return $db->base_escape_string($string);
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}
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}
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class BoltUser {
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static $cache;
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static function lookup_userid($id) {
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$db = BoltDb::get();
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return $db->lookup('bolt_user', 'BoltUser', "user_id=$id");
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}
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static function insert($clause) {
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$db = BoltDb::get();
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return $db->insert('bolt_user', $clause);
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}
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static function lookup(&$user) {
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if (!$user) return;
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if (isset($user->bolt)) return;
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if (isset(self::$cache[$user->id])) {
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$bolt = self::$cache[$user->id];
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} else {
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$bolt = self::lookup_userid($user->id);
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if (!$bolt) {
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self::insert("(user_id) values ($user->id)");
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$bolt = self::lookup_userid($user->id);
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}
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self::$cache[$user->id] = $bolt;
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}
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$user->bolt = $bolt;
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}
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function update($clause) {
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$db = BoltDb::get();
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$clause = "$clause where user_id=$this->user_id";
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return $db->update_aux('bolt_user', $clause);
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}
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}
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class BoltCourse {
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static function insert($clause) {
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$db = BoltDb::get();
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$ret = $db->insert('bolt_course', $clause);
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if (!$ret) return $ret;
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return $db->insert_id();
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}
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static function lookup_id($id) {
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$db = BoltDb::get();
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return $db->lookup_id($id, 'bolt_course', 'BoltCourse');
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}
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static function lookup_name($name) {
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$db = BoltDb::get();
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return $db->lookup('bolt_course', 'BoltCourse', "short_name='$name'");
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}
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static function enum() {
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$db = BoltDb::get();
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return $db->enum('bolt_course', 'BoltCourse');
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}
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function update($clause) {
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$db = BoltDb::get();
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return $db->update($this, 'bolt_course', $clause);
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}
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}
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class BoltEnrollment {
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function insert($clause) {
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$db = BoltDb::get();
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return $db->insert('bolt_enrollment', $clause);
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}
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function lookup($user_id, $course_id) {
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$db = BoltDb::get();
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return $db->lookup('bolt_enrollment', 'BoltEnrollment', "user_id=$user_id and course_id=$course_id");
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}
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function update($clause) {
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$db = BoltDb::get();
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$db->update_aux('bolt_enrollment', "$clause where user_id=$this->user_id and course_id=$this->course_id");
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}
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function delete($user_id, $course_id) {
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$db = BoltDb::get();
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$db->delete_aux('bolt_enrollment', "user_id=$user_id and course_id=$course_id");
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}
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}
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class BoltView {
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static function insert($clause) {
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$db = BoltDb::get();
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$ret = $db->insert('bolt_view', $clause);
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if (!$ret) return null;
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return $db->insert_id();
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}
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static function lookup_id($id) {
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$db = BoltDb::get();
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return $db->lookup_id($id, 'bolt_view', 'BoltView');
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}
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function update($clause) {
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$db = BoltDb::get();
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$db->update($this, 'bolt_view', $clause);
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}
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static function enum($clause) {
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$db = BoltDb::get();
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return $db->enum('bolt_view', 'BoltView', $clause);
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}
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}
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class BoltResult {
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static function insert($clause) {
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$db = BoltDb::get();
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$ret = $db->insert('bolt_result', $clause);
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if (!$ret) return null;
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return $db->insert_id();
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}
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static function lookup_id($id) {
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$db = BoltDb::get();
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return $db->lookup_id($id, 'bolt_result', 'BoltResult');
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}
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static function enum($clause) {
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$db = BoltDb::get();
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return $db->enum('bolt_view', 'BoltResult', $clause);
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}
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}
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class BoltXsetResult {
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static function lookup_id($id) {
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$db = BoltDb::get();
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return $db->lookup_id($id, 'bolt_xset_result', 'BoltXsetResult');
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}
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function insert($clause) {
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$db = BoltDb::get();
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$ret = $db->insert('bolt_xset_result', $clause);
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if (!$ret) return null;
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return $db->insert_id();
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}
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static function enum($clause) {
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$db = BoltDb::get();
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return $db->enum('bolt_xset_result', 'BoltXsetResult', $clause);
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}
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}
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class BoltRefreshRec {
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static function lookup_id($id) {
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$db = BoltDb::get();
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return $db->lookup_id($id, 'bolt_refresh', 'BoltRefreshRec');
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}
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function lookup($clause) {
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$db = BoltDb::get();
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return $db->lookup('bolt_refresh', 'BoltRefreshRec', $clause);
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}
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static function replace($clause) {
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$db = BoltDb::get();
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return $db->replace('bolt_refresh', $clause);
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}
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function insert($clause) {
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$db = BoltDb::get();
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$ret = $db->insert('bolt_refresh', $clause);
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if (!$ret) return null;
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return $db->insert_id();
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}
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static function enum($clause) {
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$db = BoltDb::get();
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return $db->enum('bolt_refresh', 'BoltRefreshRec', $clause);
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}
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function update($clause) {
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$db = BoltDb::get();
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$db->update($this, 'bolt_refresh', $clause);
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}
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}
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class BoltSelectFinished {
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function insert($clause) {
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$db = BoltDb::get();
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return $db->insert('bolt_select_finished', $clause);
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}
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static function enum($clause) {
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$db = BoltDb::get();
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return $db->enum('bolt_select_finished', 'BoltSelectFinished', $clause);
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}
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}
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class BoltQuestion {
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function insert($clause) {
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$db = BoltDb::get();
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return $db->insert('bolt_question', $clause);
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}
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static function enum($clause) {
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$db = BoltDb::get();
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return $db->enum('bolt_question', 'BoltQuestion', $clause);
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}
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}
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// TODO: move this somewhere else, and think about whether it's correct
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//
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function bolt_course_status($course_id, $user_id) {
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$e = BoltEnrollment::lookup($user_id, $course_id);
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if (!$e) return BOLT_COURSE_NOT_STARTED;
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$view = BoltView::lookup_id($e->last_view_id);
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if ($view->fraction_done == 1) return BOLT_COURSE_FINISHED;
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return BOLT_COURSE_STARTED;
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}
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?>
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