Pairwise::__construct() - Code Metrics - Inspection of "Bugfix: Cloning an Election + tests" - julien-boudry/Condorcet - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c01904...dcbc34 )

by Boudry

created 2018-01-13 20:01 UTC

Pairwise::__construct() A

↳ Parent: Pairwise

Complexity

Conditions	1
Paths	1

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	5
ccs	4
cts	4
cp	1
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	3
nc	1
nop	1
crap	1

<?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);


namespace Condorcet\Algo;

use Condorcet\CondorcetVersion;
use Condorcet\Election;
use Condorcet\Timer\Chrono as Timer_Chrono;

class Pairwise implements \ArrayAccess, \Iterator
{
    use CondorcetVersion;

    // Implement ArrayAccess
    public function offsetSet($offset, $value) : void {}

    public function offsetExists($offset) : bool {
        return isset($this->_Pairwise[$offset]);
    }

    public function offsetUnset($offset) : void {}

    public function offsetGet($offset) : ?array {
        return $this->_Pairwise[$offset] ?? null;
    }


    // Implement Iterator
    private $valid = true;

    public function rewind() : void {
        reset($this->_Pairwise);
        $this->valid = true;
    }

    public function current() : array {
        return $this->_Pairwise[$this->key()];
    }

    public function key() : ?int {
        return key($this->_Pairwise);
    }

    public function next() : void {
        if (next($this->_Pairwise) === false) :
            $this->valid = false;
        endif;
    }

    public function valid() : bool {
        return $this->valid;
    }   


    // Pairwise

    protected $_Election;
    protected $_Pairwise = [];

    public function __construct (Election &$link)
    {
        $this->setElection($link);
        $this->doPairwise();
    }

    public function __clone ()
    {
        $this->_Election = null;
    }

    public function setElection (Election $election)
    {
        $this->_Election = $election;
    }

    public function getExplicitPairwise () : array
    {
        $explicit_pairwise = [];

        foreach ($this->_Pairwise as $candidate_key => $candidate_value) :

            $candidate_name = $this->_Election->getCandidateId($candidate_key, true);
            
            foreach ($candidate_value as $mode => $mode_value) :

                foreach ($mode_value as $candidate_list_key => $candidate_list_value) :
                    $explicit_pairwise[$candidate_name][$mode][$this->_Election->getCandidateId($candidate_list_key, true)] = $candidate_list_value;
                endforeach;

            endforeach;

        endforeach;

        return $explicit_pairwise;
    }

    protected function doPairwise () : void
    {
        // Chrono
        new Timer_Chrono ( $this->_Election->getTimerManager(), 'Do Pairwise' );

        foreach ( $this->_Election->getCandidatesList(false) as $candidate_key => $candidate_id ) :

            $this->_Pairwise[$candidate_key] = [ 'win' => [], 'null' => [], 'lose' => [] ];

            foreach ( $this->_Election->getCandidatesList(false) as $candidate_key_r => $candidate_id_r ) :

                if ($candidate_key_r !== $candidate_key) :
                    $this->_Pairwise[$candidate_key]['win'][$candidate_key_r]   = 0;
                    $this->_Pairwise[$candidate_key]['null'][$candidate_key_r]  = 0;
                    $this->_Pairwise[$candidate_key]['lose'][$candidate_key_r]  = 0;
                endif;

            endforeach;

        endforeach;

        // Win && Null
        foreach ( $this->_Election->getVotesManager() as $vote_id => $oneVote ) :
            $vote_ranking = $oneVote->getContextualRanking($this->_Election);

            $voteWeight = ($this->_Election->isVoteWeightIsAllowed()) ? $oneVote->getWeight() : 1;

            $vote_candidate_list = (function (array $r) : array { $list = [];
                    foreach ($r as $rank) :
                        foreach ($rank as $oneCandidate) :
                            $list[] = $oneCandidate;
                        endforeach;
                    endforeach;

                    return $list;})($vote_ranking);

            $done_Candidates = [];

            foreach ($vote_ranking as $candidates_in_rank) :

                $candidates_in_rank_keys = [];

                foreach ($candidates_in_rank as $candidate) :
                    $candidates_in_rank_keys[] = $this->_Election->getCandidateKey($candidate);
                endforeach;

                foreach ($candidates_in_rank as $candidate) :

                    $candidate_key = $this->_Election->getCandidateKey($candidate);

                    // Process
                    foreach ( $vote_candidate_list as $g_Candidate ) :

                        $g_candidate_key = $this->_Election->getCandidateKey($g_Candidate);

                        if ($candidate_key === $g_candidate_key) :
                            continue;
                        endif;

                        // Win & Lose
                        if (    !in_array($g_candidate_key, $done_Candidates, true) && 
                                !in_array($g_candidate_key, $candidates_in_rank_keys, true) ) :

                            $this->_Pairwise[$candidate_key]['win'][$g_candidate_key] += $voteWeight;
                            $this->_Pairwise[$g_candidate_key]['lose'][$candidate_key] += $voteWeight;

                            $done_Candidates[] = $candidate_key;

                        // Null
                        elseif (in_array($g_candidate_key, $candidates_in_rank_keys, true)) :
                            $this->_Pairwise[$candidate_key]['null'][$g_candidate_key] += $voteWeight;
                        endif;

                    endforeach;

                endforeach;

            endforeach;

        endforeach;
    }

}

1		<?php
2		/*
3		Condorcet PHP Class, with Schulze Methods and others !
4
5		By Julien Boudry - MIT LICENSE (Please read LICENSE.txt)
6		https://github.com/julien-boudry/Condorcet
7		*/
8		declare(strict_types=1);
9
10
11		namespace Condorcet\Algo;
12
13		use Condorcet\CondorcetVersion;
14		use Condorcet\Election;
15		use Condorcet\Timer\Chrono as Timer_Chrono;
16
17		class Pairwise implements \ArrayAccess, \Iterator
18		{
19		use CondorcetVersion;
20
21		// Implement ArrayAccess
22		public function offsetSet($offset, $value) : void {}
23
24		public function offsetExists($offset) : bool {
25		return isset($this->_Pairwise[$offset]);
26		}
27
28		public function offsetUnset($offset) : void {}
29
30	33	public function offsetGet($offset) : ?array {
31	33	return $this->_Pairwise[$offset] ?? null;
32		}
33
34
35		// Implement Iterator
36		private $valid = true;
37
38	77	public function rewind() : void {
39	77	reset($this->_Pairwise);
40	77	$this->valid = true;
41	77	}
42
43	77	public function current() : array {
44	77	return $this->_Pairwise[$this->key()];
45		}
46
47	77	public function key() : ?int {
48	77	return key($this->_Pairwise);
49		}
50
51	77	public function next() : void {
52	77	if (next($this->_Pairwise) === false) :
53	63	$this->valid = false;
54		endif;
55	77	}
56
57	77	public function valid() : bool {
58	77	return $this->valid;
59		}
60
61
62		// Pairwise
63
64		protected $_Election;
65		protected $_Pairwise = [];
66
67	80	public function __construct (Election &$link)
68		{
69	80	$this->setElection($link);
70	80	$this->doPairwise();
71	80	}
72
73	1	public function __clone ()
74		{
75	1	$this->_Election = null;
76	1	}
77
78	80	public function setElection (Election $election)
79		{
80	80	$this->_Election = $election;
81	80	}
82
83	4	public function getExplicitPairwise () : array
84		{
85	4	$explicit_pairwise = [];
86
87	4	foreach ($this->_Pairwise as $candidate_key => $candidate_value) :
88
89	4	$candidate_name = $this->_Election->getCandidateId($candidate_key, true);
90
91	4	foreach ($candidate_value as $mode => $mode_value) :
92
93	4	foreach ($mode_value as $candidate_list_key => $candidate_list_value) :
94	4	$explicit_pairwise[$candidate_name][$mode][$this->_Election->getCandidateId($candidate_list_key, true)] = $candidate_list_value;
95		endforeach;
96
97		endforeach;
98
99		endforeach;
100
101	4	return $explicit_pairwise;
102		}
103
104	80	protected function doPairwise () : void
105		{
106		// Chrono
107	80	new Timer_Chrono ( $this->_Election->getTimerManager(), 'Do Pairwise' );
108
109	80	foreach ( $this->_Election->getCandidatesList(false) as $candidate_key => $candidate_id ) :
110
111	80	$this->_Pairwise[$candidate_key] = [ 'win' => [], 'null' => [], 'lose' => [] ];
112
113	80	foreach ( $this->_Election->getCandidatesList(false) as $candidate_key_r => $candidate_id_r ) :
114
115	80	if ($candidate_key_r !== $candidate_key) :
116	80	$this->_Pairwise[$candidate_key]['win'][$candidate_key_r] = 0;
117	80	$this->_Pairwise[$candidate_key]['null'][$candidate_key_r] = 0;
118	80	$this->_Pairwise[$candidate_key]['lose'][$candidate_key_r] = 0;
119		endif;
120
121		endforeach;
122
123		endforeach;
124
125		// Win && Null
126	80	foreach ( $this->_Election->getVotesManager() as $vote_id => $oneVote ) :
127	80	$vote_ranking = $oneVote->getContextualRanking($this->_Election);
128
129	80	$voteWeight = ($this->_Election->isVoteWeightIsAllowed()) ? $oneVote->getWeight() : 1;
130
131	80	$vote_candidate_list = (function (array $r) : array { $list = [];
132	80	foreach ($r as $rank) :
133	80	foreach ($rank as $oneCandidate) :
134	80	$list[] = $oneCandidate;
135		endforeach;
136		endforeach;
137
138	80	return $list;})($vote_ranking);
139
140	80	$done_Candidates = [];
141
142	80	foreach ($vote_ranking as $candidates_in_rank) :
143
144	80	$candidates_in_rank_keys = [];
145
146	80	foreach ($candidates_in_rank as $candidate) :
147	80	$candidates_in_rank_keys[] = $this->_Election->getCandidateKey($candidate);
148		endforeach;
149
150	80	foreach ($candidates_in_rank as $candidate) :
151
152	80	$candidate_key = $this->_Election->getCandidateKey($candidate);
153
154		// Process
155	80	foreach ( $vote_candidate_list as $g_Candidate ) :
156
157	80	$g_candidate_key = $this->_Election->getCandidateKey($g_Candidate);
158
159	80	if ($candidate_key === $g_candidate_key) :
160	80	continue;
161		endif;
162
163		// Win & Lose
164	80	if ( !in_array($g_candidate_key, $done_Candidates, true) &&
165	80	!in_array($g_candidate_key, $candidates_in_rank_keys, true) ) :
166
167	80	$this->_Pairwise[$candidate_key]['win'][$g_candidate_key] += $voteWeight;
168	80	$this->_Pairwise[$g_candidate_key]['lose'][$candidate_key] += $voteWeight;
169
170	80	$done_Candidates[] = $candidate_key;
171
172		// Null
173	80	elseif (in_array($g_candidate_key, $candidates_in_rank_keys, true)) :
174	80	$this->_Pairwise[$candidate_key]['null'][$g_candidate_key] += $voteWeight;
175		endif;
176
177		endforeach;
178
179		endforeach;
180
181		endforeach;
182
183		endforeach;
184	80	}
185
186		}

julien-boudry / Condorcet

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Pairwise::__construct() A

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