Condorcet\Algo\Tools\PairwiseStats

Complexity

Total Complexity

9

Size/Duplication

Total Lines	69
Duplicated Lines	13.04 %

Coupling/Cohesion

Components	0
Dependencies	0

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
C	PairwiseComparison()	9	65	9

<?php
/*
    Condorcet PHP Class, with Schulze Methods and others !

    By Julien Boudry - MIT LICENSE (Please read LICENSE.txt)
    https://github.com/julien-boudry/Condorcet
*/
declare(strict_types=1);



/////////// TOOLS FOR MODULAR ALGORITHMS ///////////

namespace Condorcet\Algo\Tools;

use Condorcet\Algo\Pairwise;

// Generic for Algorithms
abstract class PairwiseStats
{
    public static function PairwiseComparison (Pairwise $pairwise) : array
    {
        $comparison = [];

        foreach ($pairwise as $candidate_key => $candidate_data) :

            $comparison[$candidate_key]['win'] = 0;
            $comparison[$candidate_key]['null'] = 0;
            $comparison[$candidate_key]['lose'] = 0;
            $comparison[$candidate_key]['balance'] = 0;
            $comparison[$candidate_key]['sum_defeat_margin'] = 0;
            $comparison[$candidate_key]['worst_pairwise_defeat_winning'] = 0;
            $comparison[$candidate_key]['worst_pairwise_defeat_margin'] = null;
            $comparison[$candidate_key]['worst_pairwise_opposition'] = 0;

            foreach ($candidate_data['win'] as $opponentKey => $opponentLose) :

                $defeat_margin = $candidate_data['lose'][$opponentKey] - $opponentLose;

                // Worst margin defeat
                if ($comparison[$candidate_key]['worst_pairwise_defeat_margin'] === null || $comparison[$candidate_key]['worst_pairwise_defeat_margin'] < $defeat_margin) :

                    $comparison[$candidate_key]['worst_pairwise_defeat_margin'] = $defeat_margin;

                endif;

                // Worst pairwise opposition
                if ($comparison[$candidate_key]['worst_pairwise_opposition'] < $candidate_data['lose'][$opponentKey]) :

This code seems to be duplicated across your project.

                    $comparison[$candidate_key]['worst_pairwise_opposition'] = $candidate_data['lose'][$opponentKey];
                endif;


                // for each Win, null, Lose
                if ( $opponentLose > $candidate_data['lose'][$opponentKey] ) :

                    $comparison[$candidate_key]['win']++;
                    $comparison[$candidate_key]['balance']++;

                elseif ( $opponentLose === $candidate_data['lose'][$opponentKey] ) :

                    $comparison[$candidate_key]['null']++;

                else :

                    $comparison[$candidate_key]['lose']++;
                    $comparison[$candidate_key]['balance']--;

                    $comparison[$candidate_key]['sum_defeat_margin'] += $defeat_margin;

                    // Worst winning defeat
                    if ($comparison[$candidate_key]['worst_pairwise_defeat_winning'] < $candidate_data['lose'][$opponentKey]) :

This code seems to be duplicated across your project.

                        $comparison[$candidate_key]['worst_pairwise_defeat_winning'] = $candidate_data['lose'][$opponentKey];

                    endif;

                endif;

            endforeach;

        endforeach;

        return $comparison;
    }

}