mirror of https://github.com/BOINC/boinc.git
David Anderson
parent
6caccb258b
commit
562d7ac2d7
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@ -271,3 +271,20 @@ David Oct 30 2008
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user/
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bolt.css
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bolt_sched.php
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David Oct 30 2008
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- moved snapshot code to its own file
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- added link to questions in Map
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- added "mode" to question table
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db/
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bolt_schema.sql
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html/
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inc/
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bolt_snap.inc
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bolt_util.inc
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ops/
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bolt_map.php
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bolt_compare.php
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user/
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bolt_sched.php
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@ -145,6 +145,8 @@ create table bolt_question (
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course_id integer not null,
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name varchar(255) not null,
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-- logical name of item where question was asked
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mode integer not null,
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-- distinguishes exercise show/answer
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question text not null,
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state integer not null,
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-- whether question has been handled
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@ -0,0 +1,229 @@
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<?php
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// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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////// stuff related to snapshots
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//
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// There are 2 kinds of snapshots: "compare" and "map".
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//
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// A "compare snapshot" is a condensed representation of the results
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// for a particular select/xset pair.
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// Namely, it's an array whose elements contain
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// bolt_user: the user
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// xset_result: the user's first completion of the xset
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// select_finished: the user's last completion of the select before this
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//
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// A "map snapshot" is:
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// - an assoc array "views" mapping unit name to a list of views
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// - an assoc array "results" mapping unit name to a list of results
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// - an assoc array "xset_results" mapping unit name to a list of xset results
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// - an assoc array "questions" mapping unit name to a list of questions
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// - an assoc array "users" mapping user ID to user record
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//
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function compare_snapshot_filename($course_id, $select_name, $xset_name) {
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@mkdir("../bolt_snap");
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$x = urlencode($course_id."_".$select_name."_".$xset_name);
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return "../bolt_snap/compare_snapshot_$x";
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}
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function write_compare_snapshot($course_id, $select_name, $xset_name, $dur) {
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$now = time();
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$start = $now - $dur*86400;
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$xrs = BoltXsetResult::enum(
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"course_id=$course_id and name='$xset_name' and create_time >= $start"
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);
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$sfs = BoltSelectFinished::enum(
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"course_id=$course_id and name='$select_name' and end_time >= $start"
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);
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// make an array $a, keyed by user ID, of earliest xset result
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//
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$a = array();
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foreach ($xrs as $xr) {
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$uid = $xr->user_id;
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if (!array_key_exists($uid, $a) || $xr->create_time < $a[$uid]->xr->create_time) {
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$x = null;
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$x->xr = $xr;
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$a[$uid] = $x;
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}
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}
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// now scan select finishes, and for each user find last one before xset
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//
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foreach ($sfs as $sf) {
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$uid = $sf->user_id;
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if (!array_key_exists($uid, $a)) {
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echo "no xset result";
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continue;
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}
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$x = $a[$uid];
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$xr = $x->xr;
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if ($sf->end_time > $xr->create_time) {
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//echo "select finish is too late";
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continue;
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}
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if (!isset($x->sf) || $sf->end_time > $x->sf->end_time) {
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$x->sf = $sf;
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$a[$uid] = $x;
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}
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}
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// cull array elements for which we didn't find a select finish.
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// Look up user records for other elements.
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//
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foreach ($a as $uid=>$x) {
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if (!isset($x->sf)) {
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unset($a[$uid]);
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} else {
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$user = BoincUser::lookup_id($uid);
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BoltUser::lookup($user);
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$x->user = $user;
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$a[$uid] = $x;
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}
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}
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$filename = compare_snapshot_filename($course_id, $select_name, $xset_name);
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$f = fopen($filename, "w");
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$s = null;
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$s->recs = $a;
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$s->dur = $dur;
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$s->time = $now;
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fwrite($f, serialize($s));
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fclose($f);
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return $s;
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}
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function read_compare_snapshot($course_id, $select_name, $xset_name) {
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$filename = compare_snapshot_filename($course_id, $select_name, $xset_name);
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$f = @fopen($filename, "r");
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if (!$f) return null;
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$x = fread($f, filesize($filename));
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fclose($f);
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return unserialize($x);
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}
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function map_snapshot_filename($course_id) {
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return "../bolt_snap/map_snapshot_".$course_id;
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}
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function write_map_snapshot($course_id, $dur) {
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$now = time();
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$start = $now - $dur*86400;
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$views = array();
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$results = array();
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$xset_results = array();
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$users = array();
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$questions = array();
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$vs = BoltView::enum("course_id=$course_id and start_time>$start");
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foreach ($vs as $v) {
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if (array_key_exists($v->item_name, $views)) {
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$x = $views[$v->item_name];
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$x[] = $v;
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$views[$v->item_name] = $x;
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} else {
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$views[$v->item_name] = array($v);
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}
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if (!array_key_exists($v->user_id, $users)) {
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$user = BoincUser::lookup_id($v->user_id);
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BoltUser::lookup($user);
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$users[$v->user_id] = $user;
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}
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}
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$rs = BoltResult::enum("course_id=$course_id and create_time>$start");
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foreach ($rs as $r) {
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if (array_key_exists($r->item_name, $results)) {
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$x = $results[$r->item_name];
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$x[] = $r;
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$results[$r->item_name] = $x;
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} else {
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$results[$r->item_name] = array($r);
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}
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if (!array_key_exists($r->user_id, $users)) {
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$user = BoincUser::lookup_id($r->user_id);
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BoltUser::lookup($user);
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$users[$r->user_id] = $user;
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}
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}
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$xrs = BoltXsetResult::enum("course_id=$course_id and create_time>$start");
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foreach ($xrs as $xr) {
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if (array_key_exists($xr->name, $xset_results)) {
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$x = $xset_results[$xr->name];
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$x[] = $xr;
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$xset_results[$xr->name] = $x;
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} else {
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$xset_results[$xr->name] = array($xr);
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}
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if (!array_key_exists($xr->user_id, $users)) {
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$user = BoincUser::lookup_id($xr->user_id);
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BoltUser::lookup($user);
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$users[$xr->user_id] = $user;
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}
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}
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$qs = BoltQuestion::enum("course_id=$course_id and create_time>$start");
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foreach ($qs as $q) {
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if (array_key_exists($q->name, $questions)) {
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$x = $questions[$q->name];
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$x[] = $q;
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$questions[$q->name] = $x;
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} else {
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$questions[$q->name] = array($q);
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}
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if (!array_key_exists($q->user_id, $users)) {
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$user = BoincUser::lookup_id($q->user_id);
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BoltUser::lookup($user);
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$users[$q->user_id] = $user;
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}
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}
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$y = null;
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$y->views = $views;
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$y->results = $results;
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$y->xset_results = $xset_results;
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$y->users = $users;
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$y->questions = $questions;
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$y->dur = $dur;
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$y->time = $now;
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$filename = map_snapshot_filename($course_id);
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$f = fopen($filename, "w");
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fwrite($f, serialize($y));
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fclose($f);
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return $y;
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}
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function read_map_snapshot($course_id) {
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$filename = map_snapshot_filename($course_id);
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$f = @fopen($filename, "r");
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if (!$f) return null;
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$x = fread($f, filesize($filename));
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fclose($f);
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return unserialize($x);
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}
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?>
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@ -126,191 +126,6 @@ function request_info($user, $course) {
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page_tail();
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}
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////// stuff related to snapshots
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function compare_snapshot_filename($course_id, $select_name, $xset_name) {
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@mkdir("../bolt_snap");
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$x = urlencode($course_id."_".$select_name."_".$xset_name);
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return "../bolt_snap/compare_snapshot_$x";
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}
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// a "snapshot" is a condensed representation of the results
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// for a particular select/xset pair.
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// Namely, it's an array whose elements contain
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// bolt_user: the user
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// xset_result: the user's first completion of the xset
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// select_finished: the user's last completion of the select before this
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function write_compare_snapshot($course_id, $select_name, $xset_name, $dur) {
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$now = time();
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$start = $now - $dur*86400;
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$xrs = BoltXsetResult::enum(
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"course_id=$course_id and name='$xset_name' and create_time >= $start"
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);
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$sfs = BoltSelectFinished::enum(
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"course_id=$course_id and name='$select_name' and end_time >= $start"
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);
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// make an array $a, keyed by user ID, of earliest xset result
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//
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$a = array();
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foreach ($xrs as $xr) {
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$uid = $xr->user_id;
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if (!array_key_exists($uid, $a) || $xr->create_time < $a[$uid]->xr->create_time) {
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$x = null;
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$x->xr = $xr;
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$a[$uid] = $x;
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}
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}
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// now scan select finishes, and for each user find last one before xset
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//
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foreach ($sfs as $sf) {
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$uid = $sf->user_id;
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if (!array_key_exists($uid, $a)) {
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echo "no xset result";
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continue;
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}
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$x = $a[$uid];
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$xr = $x->xr;
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if ($sf->end_time > $xr->create_time) {
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//echo "select finish is too late";
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continue;
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}
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if (!isset($x->sf) || $sf->end_time > $x->sf->end_time) {
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$x->sf = $sf;
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$a[$uid] = $x;
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}
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}
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// cull array elements for which we didn't find a select finish.
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// Look up user records for other elements.
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//
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foreach ($a as $uid=>$x) {
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if (!isset($x->sf)) {
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unset($a[$uid]);
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} else {
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$user = BoincUser::lookup_id($uid);
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BoltUser::lookup($user);
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$x->user = $user;
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$a[$uid] = $x;
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}
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}
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$filename = compare_snapshot_filename($course_id, $select_name, $xset_name);
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$f = fopen($filename, "w");
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$s = null;
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$s->recs = $a;
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$s->dur = $dur;
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$s->time = $now;
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fwrite($f, serialize($s));
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fclose($f);
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return $s;
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}
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function read_compare_snapshot($course_id, $select_name, $xset_name) {
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$filename = compare_snapshot_filename($course_id, $select_name, $xset_name);
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$f = @fopen($filename, "r");
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if (!$f) return null;
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$x = fread($f, filesize($filename));
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fclose($f);
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return unserialize($x);
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}
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function map_snapshot_filename($course_id) {
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return "../bolt_snap/map_snapshot_".$course_id;
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}
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// a "map snapshot" is:
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// - an assoc array "views" mapping unit name to a list of views
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// - an assoc array "results" mapping unit name to a list of results
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// - an assoc array "xset_results" mapping unit name to a list of xset results
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// - an assoc array "users" mapping user ID to user record
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//
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function write_map_snapshot($course_id, $dur) {
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$now = time();
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$start = $now - $dur*86400;
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$views = array();
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$results = array();
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$xset_results = array();
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$users = array();
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$vs = BoltView::enum("course_id=$course_id and start_time>$start");
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foreach ($vs as $v) {
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if (array_key_exists($v->item_name, $views)) {
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$x = $views[$v->item_name];
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$x[] = $v;
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$views[$v->item_name] = $x;
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} else {
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$views[$v->item_name] = array($v);
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}
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if (!array_key_exists($v->user_id, $users)) {
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$user = BoincUser::lookup_id($v->user_id);
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BoltUser::lookup($user);
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$users[$v->user_id] = $user;
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}
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}
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$rs = BoltResult::enum("course_id=$course_id and create_time>$start");
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foreach ($rs as $r) {
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if (array_key_exists($r->item_name, $results)) {
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$x = $results[$r->item_name];
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$x[] = $r;
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$results[$r->item_name] = $x;
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} else {
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$results[$r->item_name] = array($r);
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}
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if (!array_key_exists($r->user_id, $users)) {
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$user = BoincUser::lookup_id($r->user_id);
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BoltUser::lookup($user);
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$users[$r->user_id] = $user;
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}
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}
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$xrs = BoltXsetResult::enum("course_id=$course_id and create_time>$start");
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foreach ($xrs as $xr) {
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if (array_key_exists($xr->name, $xset_results)) {
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$x = $xset_results[$xr->name];
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$x[] = $xr;
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$xset_results[$xr->name] = $x;
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} else {
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$xset_results[$xr->name] = array($xr);
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}
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if (!array_key_exists($xr->user_id, $users)) {
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$user = BoincUser::lookup_id($xr->user_id);
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BoltUser::lookup($user);
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$users[$xr->user_id] = $user;
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}
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}
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$y = null;
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$y->views = $views;
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$y->results = $results;
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$y->xset_results = $xset_results;
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$y->users = $users;
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$y->dur = $dur;
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$y->time = $now;
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$filename = map_snapshot_filename($course_id);
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$f = fopen($filename, "w");
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fwrite($f, serialize($y));
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fclose($f);
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return $y;
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}
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function read_map_snapshot($course_id) {
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$filename = map_snapshot_filename($course_id);
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$f = @fopen($filename, "r");
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||||
if (!$f) return null;
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$x = fread($f, filesize($filename));
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fclose($f);
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return unserialize($x);
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}
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////// Statistics
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||||
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||||
// compute the mean and stdev of an array
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|
|
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|
|
@ -33,6 +33,7 @@ require_once("../inc/bolt_db.inc");
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require_once("../inc/bolt_util.inc");
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require_once("../inc/bolt.inc");
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require_once("../inc/bolt_cat.inc");
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require_once("../inc/bolt_snap.inc");
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||||
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||||
function compare_case(
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||||
$title, $select_unit, $snap, $filter, $filter_cat, $breakdown, $breakdown_cat
|
||||
|
|
|
|||
|
|
@ -49,6 +49,7 @@ require_once("../inc/bolt_db.inc");
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|||
require_once("../inc/bolt_cat.inc");
|
||||
require_once("../inc/bolt_util.inc");
|
||||
require_once("../inc/bolt.inc");
|
||||
require_once("../inc/bolt_snap.inc");
|
||||
|
||||
// the following are to minimize argument passing
|
||||
|
||||
|
|
@ -108,7 +109,8 @@ function spaces($level) {
|
|||
return $x;
|
||||
}
|
||||
|
||||
// used to filter arrays of views or xset_results
|
||||
// filter arrays of anything that has a user_id field
|
||||
// (view, xset_result, question)
|
||||
//
|
||||
function filter_array($array) {
|
||||
global $snap, $filter, $filter_cat, $breakdown, $breakdown_cat;
|
||||
|
|
@ -171,6 +173,20 @@ function outcomes($views) {
|
|||
return $x;
|
||||
}
|
||||
|
||||
function get_nquestions($unit, $mode) {
|
||||
global $snap;
|
||||
|
||||
if (array_key_exists($unit->name, $snap->questions)) {
|
||||
$a = filter_array($snap->questions[$unit->name]);
|
||||
$n = 0;
|
||||
foreach ($a as $q) {
|
||||
if ($q->mode == $mode) $n++;
|
||||
}
|
||||
return $n;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
function get_views($unit, $mode) {
|
||||
global $snap;
|
||||
|
||||
|
|
@ -217,7 +233,7 @@ $rownum = 0;
|
|||
|
||||
function show_unit_row($unit, $class, $level, $is_answer) {
|
||||
global $breakdown, $breakdown_cat;
|
||||
global $rownum;
|
||||
global $rownum, $course_id;
|
||||
|
||||
$a = $is_answer?" (answer)":"";
|
||||
$j = ($rownum++)%2;
|
||||
|
|
@ -243,21 +259,36 @@ function show_unit_row($unit, $class, $level, $is_answer) {
|
|||
}
|
||||
switch ($class) {
|
||||
case "BoltLesson":
|
||||
$views = get_views($unit, BOLT_MODE_LESSON);
|
||||
$mode = BOLT_MODE_LESSON;
|
||||
$views = get_views($unit, $mode);
|
||||
$n = count($views);
|
||||
$out = outcomes($views);
|
||||
$t = avg_time($views);
|
||||
echo "<td>$n</td>";
|
||||
$n = get_nquestions($unit, $mode);
|
||||
if ($n) {
|
||||
echo "<td><a href=bolt_map.php?action=questions&course_id=$course_id&name=$unit->name&mode=$mode>$n</a></td>\n";
|
||||
} else {
|
||||
echo "<td>0</td>\n";
|
||||
}
|
||||
|
||||
echo outcome_graph($out, 200);
|
||||
echo empty_cell();
|
||||
echo time_graph($t, 200);
|
||||
break;
|
||||
case "BoltExercise":
|
||||
$views = get_views($unit, $is_answer?BOLT_MODE_ANSWER:BOLT_MODE_SHOW);
|
||||
$mode = $is_answer?BOLT_MODE_ANSWER:BOLT_MODE_SHOW;
|
||||
$views = get_views($unit, $mode);
|
||||
$n = count($views);
|
||||
$out = outcomes($views);
|
||||
$t = avg_time($views);
|
||||
echo "<td>$n</td>";
|
||||
$n = get_nquestions($unit, $mode);
|
||||
if ($n) {
|
||||
echo "<td><a href=bolt_map.php?action=questions&course_id=$course_id&name=$unit->name&mode=$mode>$n</a></td>\n";
|
||||
} else {
|
||||
echo "<td>0</td>\n";
|
||||
}
|
||||
echo outcome_graph($out, 200);
|
||||
if ($is_answer) {
|
||||
echo empty_cell();
|
||||
|
|
@ -273,6 +304,7 @@ function show_unit_row($unit, $class, $level, $is_answer) {
|
|||
$n = count($xr);
|
||||
echo "<td>$n</td>";
|
||||
echo empty_cell();
|
||||
echo empty_cell();
|
||||
$score = avg_score($xr);
|
||||
echo score_graph($score, 200);
|
||||
echo empty_cell();
|
||||
|
|
@ -282,6 +314,7 @@ function show_unit_row($unit, $class, $level, $is_answer) {
|
|||
echo empty_cell();
|
||||
echo empty_cell();
|
||||
echo empty_cell();
|
||||
echo empty_cell();
|
||||
}
|
||||
echo "</tr>\n";
|
||||
}
|
||||
|
|
@ -369,6 +402,7 @@ function show_map() {
|
|||
}
|
||||
echo "
|
||||
<th>Views</th>
|
||||
<th>Questions</th>
|
||||
<th>Outcome<br>
|
||||
<span class=green>Next</span>
|
||||
<span class=yellow>Back</span>
|
||||
|
|
@ -398,6 +432,32 @@ function show_map() {
|
|||
page_tail();
|
||||
}
|
||||
|
||||
function show_questions() {
|
||||
$name = get_str('name');
|
||||
global $course_id;
|
||||
$snap = read_map_snapshot($course_id);
|
||||
$qs = $snap->questions[$name];
|
||||
page_head("Questions about $name");
|
||||
start_table();
|
||||
echo "<tr>
|
||||
<th>When</th>
|
||||
<th>Who</th>
|
||||
<th>Question</th>
|
||||
</tr>
|
||||
";
|
||||
foreach ($qs as $q) {
|
||||
$user = $snap->users[$q->user_id];
|
||||
echo "<tr>
|
||||
<td>".time_str($q->create_time)."</td>
|
||||
<td><a href=student>$user->name</td>
|
||||
<td>$q->question</td>
|
||||
</tr>
|
||||
";
|
||||
}
|
||||
end_table();
|
||||
page_tail();
|
||||
}
|
||||
|
||||
$course_id = get_int('course_id');
|
||||
$course = BoltCourse::lookup_id($course_id);
|
||||
if (!$course) error_page("no course");
|
||||
|
|
@ -414,6 +474,9 @@ case "snap_action":
|
|||
case "map":
|
||||
show_map();
|
||||
break;
|
||||
case "questions":
|
||||
show_questions();
|
||||
break;
|
||||
default:
|
||||
error_page("Unknown action $action");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -642,7 +642,7 @@ case 'question':
|
|||
debug_show_state(unserialize($view->state), "Initial");
|
||||
$now = time();
|
||||
$question = BoltDb::escape_string(get_str('question'));
|
||||
BoltQuestion::insert("(create_time, user_id, course_id, name, question, state) values ($now, $user->id, $course->id, '$view->item_name', '$question', 0)");
|
||||
BoltQuestion::insert("(create_time, user_id, course_id, name, mode, question, state) values ($now, $user->id, $course->id, '$view->item_name', $view->mode, '$question', 0)");
|
||||
page_header();
|
||||
echo "
|
||||
Thanks; we have recorded your question.
|
||||
|
|
|
|||
Loading…
Reference in New Issue