X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=html%2Fdo-start-round.pl;h=ea6894e7126e88f5fcf66fa614baf75331cb3a77;hp=5cd6779273fde236a2ed366b78abdc226a3b0964;hb=a6500d8a7d1a7fc0bd172373f1a670b8ee7ce92e;hpb=f441216a623854ca492d416d0ebe825ae07ab40d;ds=sidebyside

diff --git a/html/do-start-round.pl b/html/do-start-round.pl
index 5cd6779..ea6894e 100755
--- a/html/do-start-round.pl
+++ b/html/do-start-round.pl
@@ -14,6 +14,8 @@ my $num_chosen = $cgi->param('numchosen');
 my $num_groups = $cgi->param('numgroups');
 my $num_qual = $cgi->param('numqual');
 
+$dbh->{AutoCommit} = 0;
+
 $dbh->do('INSERT INTO rounds (tournament, round, randomsongs, chosensongs, numqualifying) VALUES (?, ?, ?, ?, ?)',
 	undef, $tournament, $round, $num_random, $num_chosen, $num_qual);
 
@@ -22,6 +24,86 @@ for my $i (1..$num_groups) {
 		undef, $tournament, $round, $i);
 }
 
-ccbs::print_see_other('show-tournamelt.pl?id=' . $tournament);
+# Seed people into groups (quite preliminary for now)
+my $people;
+if ($round == 1) {
+	$people = ccbs::db_fetch_all($dbh, 'SELECT * FROM players WHERE player IN ( SELECT player FROM tournamentparticipation WHERE tournament=? ) ORDER BY lower(nick)',
+		$tournament);
+} else {
+	# First of all, check that there are no null values!
+	my $ref = $dbh->selectrow_hashref('SELECT COUNT(*) AS num_incomplete FROM scores WHERE tournament=? AND round=? AND (song IS NULL OR playmode IS NULL OR difficulty IS NULL OR chosen IS NULL or score IS NULL)', undef, $tournament, $round-1);
+	if ($ref->{'num_incomplete'} != 0) {
+		ccbs::user_error("Det er fortsatt $ref->{'num_incomplete'} sanger igjen i denne runden som ikke har alle data registrert.");
+	}
+
+	# Find out how many people will go on from the _current_ group (ie. the one
+	# before the one we just inserted)
+	my $ref = $dbh->selectrow_hashref('SELECT numqualifying FROM rounds WHERE tournament=? AND round=?',
+		undef, $tournament, $round - 1);
+	my $num_qual_prev = $ref->{'numqualifying'};
+
+	# Get the total list of scores for each player in this round, and pick
+	# out the best N
+	$people = [];
+	my $q = $dbh->prepare('SELECT parallel,player,SUM(score) AS score FROM scores WHERE tournament=? AND round=? GROUP BY parallel,player ORDER BY parallel, SUM(score) DESC');
+	$q->execute($tournament, $round - 1);
+	
+	my ($parallel,$num_from_this_parallel);
+
+	while (my $ref = $q->fetchrow_hashref()) {
+		if (!defined($parallel) || $parallel != $ref->{'parallel'}) {
+			$parallel = $ref->{'parallel'};
+			$num_from_this_parallel = 0;
+		}
+		if ($num_from_this_parallel++ < $num_qual_prev) {
+			push @$people, {%$ref};
+		}
+	}
+}
+
+# Zigzag people to get the most fair groups possible
+my $group = 1;
+my $direction = 1;
+my $position = 1;
+for my $p (@$people) {
+	$dbh->do('INSERT INTO roundparticipation (tournament, round, parallel, player, position) VALUES (?, ?, ?, ?, ?)', undef,
+		$tournament, $round, $group, $p->{'player'}, $position);
+
+	if ($group + $direction < 1 || $group + $direction > $num_groups) {
+		$direction = -$direction;
+		$position++;
+	} else {
+		$group += $direction;
+	}
+}
+
+# Pick random songs for the groups
+for my $g (1..$num_groups) {
+	for my $s (1..$num_random) {
+		my $ref = $dbh->selectrow_hashref('SELECT * FROM machinesongs WHERE song NOT IN ( SELECT song FROM randomsongsused ) AND machine=( SELECT machine FROM tournaments WHERE tournament=? ) ORDER BY random() LIMIT 1',
+			undef, $tournament);
+		if (!defined($ref)) {
+			ccbs::user_error('Det er ikke flere sanger igjen i sangvelgeren!');
+		}
+		$dbh->do('INSERT INTO randomsongsused (song) VALUES (?)',
+			undef, $ref->{'song'});
+		$dbh->do('INSERT INTO roundrandomsongs (tournament, round, parallel, song) VALUES (?,?,?,?)',
+			undef, $tournament, $round, $g, $ref->{'song'});
+
+		$dbh->do('INSERT INTO scores SELECT tournament,round,parallel,player,?,?,NULL,NULL,\'f\',NULL FROM roundparticipation WHERE tournament=? AND round=? AND parallel=?', undef,
+			$s, $ref->{'song'}, $tournament, $round, $g);
+	}
+}
+
+# Add empty "score" records for the chosen songs.
+for my $g (1..$num_groups) {
+	for my $s (1..$num_chosen) {
+		$dbh->do('INSERT INTO scores SELECT tournament,round,parallel,player,?,NULL,NULL,NULL,\'t\',NULL FROM roundparticipation WHERE tournament=? AND round=? AND parallel=?', undef,
+			$s + $num_random, $tournament, $round, $g);
+	}
+}
+
+ccbs::print_see_other('show-tournament.pl?id=' . $tournament);
 
+$dbh->commit;
 $dbh->disconnect;