JeroenED/libpairtwo
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Merge branch 'task/more-tiebreaks' into develop

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This commit is contained in:
Jeroen De Meerleer 2019-05-30 21:33:33 +02:00
commit f5b0fd024d
Signed by: JeroenED
GPG Key ID: 28CCCB8F62BFADD6
4 changed files with 235 additions and 23 deletions
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17
src/Constants.php Normal file
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@ -0,0 +1,17 @@
<?php
namespace JeroenED\Libpairtwo;
use JeroenED\Libpairtwo\Enums\Color;
use JeroenED\Libpairtwo\Enums\Result;
class Constants
{
const Won = [ Result::won, Result::wonforfait, Result::wonbye, Result::wonadjourned ];
const Draw = [ Result::draw, Result::drawadjourned];
const Lost = [ Result::absent, Result::bye, Result::lost, Result::adjourned ];
const NotPlayed = [ Result::bye, Result::wonbye, Result::absent ];
const Black = [ Color::black ];
const White = [ Color::white ];
}

53
src/Player.php
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@ -96,4 +96,57 @@ class Player extends PlayerModel
$this->setIds($currentIds);
return $this;
}
/**
* @return int
*/
public function getNoOfWins()
{
$wins = 0;
foreach ($this->getPairings() as $pairing) {
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$wins++;
}
}
return $wins;
}
/**
* @return float
*/
public function getPoints(): float
{
$points = 0;
foreach ($this->getPairings() as $pairing) {
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$points = $points + 1;
} elseif (array_search($pairing->getResult(), Constants::Draw) !== false) {
$points = $points + 0.5;
}
}
return $points;
}
/**
* @return int
*/
public function getPerformance(): int
{
$total = 0;
$opponents = 0;
foreach ($this->getPairings() as $pairing) {
if (array_search($pairing->getResult(), Constants::Notplayed)) {
if (array_search(self::Won, $pairing->getResult())) {
$total += $pairing->getOpponent()->getElo('home') + 400;
} elseif (array_search(self::Lost, $pairing->getResult())) {
$total += $pairing->getOpponent()->getElo('home') - 400;
} elseif (array_search(self::Draw, $pairing->getResult())) {
$total += $pairing->getOpponent()->getElo('home');
}
$opponents++;
}
return round($total / $opponents);
}
}
}

164
src/Tiebreaks.php
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@ -9,13 +9,6 @@ use JeroenED\Libpairtwo\Enums\Result;
abstract class Tiebreaks extends Tournament
{
private const Won = [ Result::won, Result::wonforfait, Result::wonbye, Result::wonadjourned ];
private const Draw = [ Result::draw, Result::drawadjourned];
private const Lost = [ Result::absent, Result::bye, Result::lost, Result::adjourned ];
private const NotPlayed = [ Result::bye, Result::wonbye, Result::absent ];
private const Black = [ Color::black ];
private const White = [ Color::white ];
/**
* @param Player $player
@ -43,15 +36,7 @@ abstract class Tiebreaks extends Tournament
*/
protected function calculatePoints(Player $player): ?float
{
$points = 0;
foreach ($player->getPairings() as $pairing) {
if (array_search($pairing->getResult(), self::Won) !== false) {
$points = $points + 1;
} elseif (array_search($pairing->getResult(), self::Draw) !== false) {
$points = $points + 0.5;
}
}
return $points;
return $player->getPoints();
}
@ -63,7 +48,7 @@ abstract class Tiebreaks extends Tournament
{
$totalwins = 0;
foreach ($player->getPairings() as $pairing) {
if (array_search($pairing->getResult(), self::Won) !== false) {
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$totalwins++;
}
}
@ -79,7 +64,7 @@ abstract class Tiebreaks extends Tournament
{
$totalwins = 0;
foreach ($player->getPairings() as $pairing) {
if (array_search($pairing->getColor(), self::Black) !== false) {
if (array_search($pairing->getColor(), Constants::Black) !== false) {
$totalwins++;
}
}
@ -94,7 +79,7 @@ abstract class Tiebreaks extends Tournament
{
$totalwins = 0;
foreach ($player->getPairings() as $pairing) {
if (array_search($pairing->getColor(), self::Black) !== false && array_search($pairing->getResult(), Self::Won) !== false) {
if (array_search($pairing->getColor(), Constants::Black) !== false && array_search($pairing->getResult(), Constants::Won) !== false) {
$totalwins++;
}
}
@ -123,9 +108,9 @@ abstract class Tiebreaks extends Tournament
$totalmatches = 0;
foreach ($player->getPairings() as $pairing) {
if (array_search($pairing->getOpponent(), $interestingplayers) !== false) {
if (array_search($pairing->getResult(), self::Won) !== false) {
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$points = $points + 1;
} elseif (array_search($pairing->getResult(), self::Draw) !== false) {
} elseif (array_search($pairing->getResult(), Constants::Draw) !== false) {
$points = $points + 0.5;
}
$totalmatches++;
@ -137,18 +122,20 @@ abstract class Tiebreaks extends Tournament
return $points;
}
/**
* @param Player $player
* @param int $cut
* @return float
*/
protected function calculateAverageRating(Player $player, int $cut = 0)
protected function calculateAverageRating(Player $player, int $cut = 0): ?float
{
$pairings = $player->getPairings();
$totalrating = 0;
$totalopponents = 0;
$allratings = [];
foreach ($pairings as $pairing) {
if (array_search($pairing->getResult(), self::NotPlayed) === false) {
if (array_search($pairing->getResult(), Constants::NotPlayed) === false) {
$toadd = $pairing->getOpponent()->getElos()['home'];
if ($toadd != 0) {
$allratings[] = $toadd;
@ -159,4 +146,135 @@ abstract class Tiebreaks extends Tournament
$allratings = array_slice($allratings, $cut);
return round(array_sum($allratings) / count($allratings));
}
/**
* @param Player $player
* @param int $cut
* @return float|null
*/
protected function calculateAveragePerformance(Player $player, int $cut = 0): ?float
{
$pairings = $player->getPairings();
$allratings = [];
foreach ($pairings as $pairing) {
if (array_search($pairing->getResult(), Constants::NotPlayed) === false) {
$toadd = $pairing->getOpponent()->getPerformance();
if ($toadd != 0) {
$allratings[] = $toadd;
}
}
}
sort($allratings);
$allratings = array_slice($allratings, $cut);
return round(array_sum($allratings) / count($allratings));
}
/**
* @param Player $player
* @param int $cut
* @return float|null
*/
protected function calculateKoya(Player $player, int $cut = 50): ?float
{
$tiebreak = 0;
foreach ($player->getPairings() as $plkey => $plpairing) {
if (($plpairing->getOpponent()->getNoOfWins() / count($plpairing->getOpponent()->getPairings()) * 100) >= $cut) {
$tiebreak += $plpairing->getOpponent()->getNoOfWins();
}
}
return $tiebreak;
}
/**
* @param Player $player
* @param int $cutlowest
* @param int $cuthighest
* @return float|null
*/
protected function calculateBuchholz(Player $player, int $cutlowest = 0, int $cuthighest = 0): ?float
{
$tiebreak = 0;
$intpairings = $player->getPairings();
usort($intpairings, function ($a, $b) {
if ($b->getOpponent()->getElo('home') == $a->getOpponent()->getElo('home')) {
return 0;
}
return ($b->getOpponent()->getElo('home') > $a->getOpponent()->getElo('home')) ? 1 : -1;
});
array_splice($intpairings, $cutlowest);
array_splice($intpairings, 0 - $cuthighest);
foreach ($intpairings as $intkey => $intpairing) {
$tiebreak += $intpairing->getOpponent()->getPoints();
}
return $tiebreak;
}
/**
* @param Player $player
* @return float|null
*/
protected function calculateSonneborn(Player $player): ?float
{
$tiebreak = 0;
foreach ($player->getPairings() as $key => $pairing) {
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$tiebreak += $pairing->getOpponent()->getPoints();
} elseif (array_search($pairing->getResult(), Constants::draw) !== false) {
$tiebreak += $pairing->getOpponent()->getPoints() / 2;
}
}
return $tiebreak;
}
/**
* @param Player $player
* @return float|null
*/
protected function calculateKashdan(Player $player): ?float
{
$tiebreak = 0;
foreach ($player->getPairings() as $pairing) {
$toadd = 0;
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$toadd = 3;
} elseif (array_search($pairing->getResult(), Constants::Draw) !== false) {
$toadd = 2;
} elseif (array_search($pairing->getResult(), Constants::Lost) !== false) {
$toadd = 1;
}
if (array_search(Constants::NotPlayed, $pairing->getResult()) !== false) {
$toadd = 0;
}
$tiebreak += $toadd;
}
return $tiebreak;
}
/**
* @param Player $player
* @return float|null
*/
protected function calculateCumulative(Player $player): ?float
{
$tiebreak = 0;
foreach ($player->getPairings() as $pairing) {
$toadd = 0;
if (array_search($pairing->getResult(), Constants::Won) !== false) {
$toadd = 1;
} elseif (array_search($pairing->getResult(), Constants::Draw) !== false) {
$toadd = 0.5;
}
$tiebreak += $tiebreak + $toadd;
}
return $tiebreak;
}
}

24
src/Tournament.php
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@ -296,6 +296,30 @@ class Tournament extends Tiebreaks
case Tiebreak::AroCut:
return $this->calculateAverageRating($player, 1);
break;
case Tiebreak::Koya:
return $this->calculateKoya($player);
break;
case Tiebreak::Buchholz:
return $this->calculateBuchholz($player);
break;
case Tiebreak::BuchholzCut:
return $this->calculateBuchholz($player, 1);
break;
case Tiebreak::BuchholzMed:
return $this->calculateBuchholz($player, 1, 1);
break;
case Tiebreak::Sonneborn:
return $this->calculateSonneborn($player);
break;
case Tiebreak::Kashdan:
return $this->calculateKashdan($player);
break;
case Tiebreak::Cumulative:
return $this->calculateCumulative($player);
break;
case Tiebreak::Performance:
return $this->calculateAveragePerformance($player);
break;
default:
return null;
}