From: Steinar H. Gunderson <Steinar H. Gunderson sesse@debian.org>
Date: Sat, 17 Mar 2012 16:08:23 +0000 (+0100)
Subject: Import the web frontend, picking out data from the database.
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=be872e94c19332a2c2de96c05c772d183699401d;p=wloh

Import the web frontend, picking out data from the database.
---

diff --git a/www/index.pl b/www/index.pl
new file mode 100755
index 0000000..0967b82
--- /dev/null
+++ b/www/index.pl
@@ -0,0 +1,211 @@
+#! /usr/bin/perl
+use strict;
+use warnings;
+no warnings qw(once);
+use CGI;
+use CGI::Carp qw( fatalsToBrowser );
+use DBI;
+use POSIX;
+use Devel::Peek;
+use locale;
+require '../config.pm';
+
+my $dbh = DBI->connect($config::local_connstr, $config::local_username, $config::local_password)
+	or die "connect: " . $DBI::errstr;
+$dbh->{AutoCommit} = 0;
+$dbh->{RaiseError} = 1;
+
+my $trials = 25_000;
+
+binmode STDOUT, ':utf8';
+
+my %players = ();
+my %ratings = ();
+my @matches = ();
+
+sub sanitize {
+	$_ = shift;
+	y/ \t\n<>&/_/;
+	return $_;
+}
+
+sub color {
+	my $x = shift;
+	return int(255.0 * ($x ** (1.80)));
+}
+
+sub make_table {
+	my $used_ratings = shift;
+
+	print <<"EOF";
+
+    <table>
+      <tr>
+        <th></th>
+EOF
+
+	POSIX::setlocale(&POSIX::LC_ALL, 'C');
+
+	my $tmpnam = POSIX::tmpnam();
+	open MCCALC, ">", $tmpnam
+		or die "$tmpnam: $!";
+
+	printf MCCALC "%d\n", scalar keys %players;
+
+	for my $id (keys %players) {
+		if (exists($used_ratings->{$id})) {
+			printf MCCALC "%s %f\n", $id, $used_ratings->{$id};
+		} else {
+			printf MCCALC "%s %f\n", $id, 1500.0;
+		}
+	}
+
+	for my $match (@matches) {
+		printf MCCALC "%s %s %d %d\n", $match->[0], $match->[1], $match->[2], $match->[3];
+	}
+	close MCCALC;
+
+	POSIX::setlocale(&POSIX::LC_ALL, 'nb_NO.UTF-8');
+
+	my %prob = ();
+
+	open MCCALC, "$config::base_dir/mcwordfeud $trials < $tmpnam |"
+		or die "mccalc: $!";
+	while (<MCCALC>) {
+		chomp;
+		my @x = split /\s+/;
+		my $id = $x[0];
+		my $player = $players{$id};
+		$prob{$player} = [ @x[1..$#x] ];
+	}
+	close MCCALC;
+	#unlink $tmpnam;
+
+	my $num_games = scalar keys %prob;
+	for my $i (1..$num_games) {
+		print "        <th>$i.</th>\n";
+	}
+	print "        <th>NEDRYKK</th>\n";
+	print "      </tr>\n";
+
+	for my $player (sort { $a cmp $b } keys %prob) {
+		print "      <tr>\n";
+		print "        <th>$player</th>\n";
+
+		for my $i (1..$num_games) {
+			my $pn = $prob{$player}->[$i - 1] / $trials;
+
+			my $r = color(1.0 - $pn / 3);
+			my $g = color(1.0 - $pn / 3);
+			my $b = color(1.0);
+
+			if ($i == 1) {
+				($g, $b) = ($b, $g);
+			} elsif ($i >= $num_games - 1) {
+				($r, $b) = ($b, $r);
+			}
+
+			printf "        <td style=\"background-color: rgb($r, $g, $b)\">%.1f%%</td>\n", $pn * 100.0;
+		}
+
+		{
+			my $pn = ($prob{$player}->[$num_games - 1] + $prob{$player}->[$num_games - 2]) / $trials;
+
+			my $r = color(1.0);
+			my $g = color(1.0 - $pn / 3);
+			my $b = color(1.0 - $pn / 3);
+			printf "        <td style=\"background-color: rgb($r, $g, $b)\">%.1f%%</td>\n", $pn * 100.0;
+		}
+		print "      </tr>\n";
+	}
+
+	print << "EOF";
+    </table>
+EOF
+}
+
+# Get players and ratings
+my $season = 18;
+my $division = 1;
+my $subdivision = 1;
+
+my $q = $dbh->prepare('SELECT fotballdeltagere.id,fotballdeltagere.navn,rating FROM fotballdeltagere JOIN fotballserier ON fotballdeltagere.serie=fotballserier.nr JOIN ratings ON fotballdeltagere.id=ratings.id AND sesong=? AND divisjon=? AND avdeling=?');
+$q->execute($season, $division, $subdivision);
+
+while (my $ref = $q->fetchrow_hashref) {
+	my $id = $ref->{'id'};
+	$players{$id} = sanitize($ref->{'navn'});
+	$ratings{$id} = $ref->{'rating'};
+}
+$q->finish;
+
+$q = $dbh->prepare('
+SELECT
+  d1.id AS p1, d2.id AS p2, maalfor AS score1, maalmot AS score2
+FROM fotballresultater r
+  JOIN fotballserier s ON r.serie=s.nr
+  JOIN fotballdeltagere d1 ON r.lagrecno=d1.nr AND r.serie=d1.serie
+  JOIN fotballdeltagere d2 ON r.motstander=d2.nr AND r.serie=d2.serie
+WHERE
+  sesong=? AND divisjon=? AND avdeling=?
+  AND lagrecno > motstander
+');
+$q->execute($season, $division, $subdivision);
+
+while (my $ref = $q->fetchrow_hashref) {
+	push @matches, [ $ref->{'p1'}, $ref->{'p2'}, $ref->{'score1'}, $ref->{'score2'} ];
+}
+$q->finish;
+
+print CGI->header(-type=>'text/html; charset=utf-8', -expires=>'Thu, 01 Dec 1994 16:00:00 GMT');
+print <<"EOF";
+<html>
+  <head>
+    <title>WLoH-plasseringsannsynlighetsberegning</title>
+    <style type="text/css">
+body {
+	color: black;
+	background: white;
+	font-family: sans-serif;
+}
+table {
+	border-collapse: collapse;
+	border: 1px solid black;
+}
+td, th {
+	border: 1px solid black;
+	padding: 5px;
+}
+td {
+	text-align: right;
+}
+    </style>
+  </head>
+  <body>
+    <h1>WLoH-plasseringsannsynlighetsberegning</h1>
+
+    <p>Beregningen tar ikke hensyn til ujevn spillestyrke, ting som er sagt i forumet e.l.;
+      den antar at samtlige uspilte kamper trekkes fra en normalfordeling med standardavvik
+      82,9 poeng. Sannsynlighetene kan summere til andre tall enn 100% pga. avrunding.
+      Tallene vil variere litt fra gang til gang fordi utregningen skjer ved randomisering.</p>
+
+    <p>Andre divisjoner enn 1. divisjon kommer etter hvert.</p>
+
+    <p>Spillerne er sortert etter nick.</p>
+EOF
+
+make_table({});
+
+print <<"EOF";
+    <p>Under er en variant som pr&oslash;ver &aring; ta relativ spillestyrke med i betraktningen.
+      Disse er basert p&aring; WLoH-data opp til og med sesong 17 (takk til Lobotommy for tilgang
+      til disse!), men modellen er forel&oslash;pig ikke fullstendig tunet.</p>
+EOF
+
+make_table(\%ratings);
+
+print << "EOF";
+    </table>
+  </body>
+</html>
+EOF