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<?php |
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namespace App\Jobs\Tournament; |
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use App\Match; |
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use App\Tournament; |
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use Illuminate\Database\Eloquent\Collection; |
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/** |
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* Class DrawLeague |
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* @package App\Jobs\Tournament |
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*/ |
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class DrawLeague extends Job |
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{ |
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/** |
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* @var array |
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*/ |
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protected $teams = []; |
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/** |
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* @var Collection |
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*/ |
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protected $rounds; |
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/** |
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* @var Collection |
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*/ |
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protected $matches; |
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/** |
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* @var boolean |
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*/ |
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protected $isOdd = false; |
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/** |
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* @var int |
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*/ |
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protected $teamsCount; |
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/** |
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* @var int |
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*/ |
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protected $pairCnt; |
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/** |
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* @name setTournament |
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* @param Tournament $tournament |
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*/ |
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protected function setTournament(Tournament $tournament) |
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{ |
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$this->tournament = $tournament; |
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foreach ($this->tournament->tournamentTeams()->getResults() as $team) { |
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$team->team->homeMatchesAmount = 0; |
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$team->team->wasPulledOut = false; |
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$team->team->pulledOut = false; |
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$this->teams[] = [ |
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'id' => $team->id, |
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'name' => $team->team->name |
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]; |
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} |
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shuffle($this->teams); |
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$this->teamsCount = count($this->teams); |
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$this->isOddTeamsCnt(); |
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$this->setPairCnt(); |
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} |
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/** |
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* Handle the job |
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* |
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* @return void |
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* @throws \UnexpectedValueException |
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*/ |
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public function handle() |
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{ |
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if (Tournament::MIN_TEAMS_AMOUNT > count($this->teams)) { |
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throw new \UnexpectedValueException('Tournament should have at least 2 teams.'); |
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} |
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/** |
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* @var $matches Collection |
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*/ |
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$matches = $this->tournament->matches()->getResults(); |
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if (0 < $matches->count()) { |
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throw new \UnexpectedValueException('Tournament draw has been already done.'); |
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} |
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$this->draw(); |
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} |
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/** |
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* @name draw |
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*/ |
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protected function draw() |
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{ |
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$table = $this->drawBergerTable(); |
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$this->saveRounds($table); |
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} |
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/** |
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* Create scheduling for one season by Berger algorithm https://en.wikipedia.org/wiki/Round-robin_tournament |
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* @name drawBergerTable |
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* @return array |
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*/ |
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protected function drawBergerTable() |
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{ |
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$a = []; |
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$table = []; |
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for ($i = 1; $i < $this->teamsCount; $i++) { |
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$a[] = $i; |
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} |
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for ($i = 0; $i < $this->teamsCount - 1; $i++) { |
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$table[$i] = []; |
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if (!$this->isOdd) { |
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$table[$i][] = [$a[0], $this->teamsCount]; |
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} |
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for ($j = 1; $j < $this->pairCnt; $j++) { |
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$table[$i][] = [$a[$j], $a[$this->teamsCount - 1 - $j]]; |
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} |
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$a[] = array_shift($a); |
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} |
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$table = $this->addReversMarches($table); |
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return $table; |
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} |
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/** |
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* @name addReversMarches |
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* @param $table |
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* @return array |
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*/ |
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protected function addReversMarches($table) |
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{ |
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for ($i = count($table) - 1; $i >= 0; $i--) { |
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$day = $table[$i]; |
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$nDay = []; |
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foreach ($day as $match) { |
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$nDay[] = [$match[1], $match[0]]; |
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} |
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$table[] = $nDay; |
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} |
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return $table; |
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} |
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/** |
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* Check if teams is odd count |
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* @name isOddTeamsCnt |
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*/ |
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protected function isOddTeamsCnt() |
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{ |
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if ($this->teamsCount % 2 != 0) { |
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$this->isOdd = true; |
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$this->teamsCount++; |
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} |
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} |
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/** |
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* @name setPairCnt |
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*/ |
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protected function setPairCnt() |
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{ |
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$this->pairCnt = (int)$this->teamsCount / 2; |
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} |
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/** |
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* @name saveRounds |
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*/ |
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protected function saveRounds($table) |
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{ |
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foreach ($table as $key => $round) { |
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foreach ($round as $match) { |
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$this->tournament->matches()->create([ |
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'homeTournamentTeamId' => $this->teams[$match[0] - 1]['id'], |
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'awayTournamentTeamId' => $this->teams[$match[1] - 1]['id'], |
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'homeScore' => 0, |
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'awayScore' => 0, |
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'homePenaltyScore' => 0, |
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'awayPenaltyScore' => 0, |
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'round' => $key + 1, |
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'gameType' => Match::GAME_TYPE_GROUP_STAGE, |
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'resultType' => Match::RESULT_TYPE_UNKNOWN, |
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'status' => Match::STATUS_NOT_STARTED |
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]); |
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} |
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} |
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} |
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} |
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nixsolutions /
ggf
