PlayersCollection::shuffleAssoc() - Code Metrics - Inspection of "Improved combinatorial and minor bugs" - GuilleGF/SecretSantaPHP - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 4632b0...98cfe8 )

by Guillermo

created 2016-11-08 11:00 UTC

PlayersCollection::shuffleAssoc() A

↳ Parent: PlayersCollection

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.4285
c	0
b	0
f	0
cc	3
eloc	7
nc	3
nop	1

<?php

namespace SecretSanta;

use SecretSanta\Exceptions\PlayersCollectionException;

/**
 * Class PlayersCollection
 * @package SecretSanta
 */
class PlayersCollection implements \Iterator, \Countable
{
    /** @var Player[] */
    private $players = [];
    /** @var array  */
    private $excludePlayers = [];

    /**
     * @param Player $player
     * @throws PlayersCollectionException
     */
    public function addPlayer(Player $player)
    {
        if (!$this->isDuplicatePlayer($player)) {
            $this->players[$player->id()] = $player;
        }
    }

    /**
     * @param Player $player
     * @param Player $couple
     */
    public function addCouple(Player $player, Player $couple)
    {
        if (!$this->isDuplicatePlayer($player) && !$this->isDuplicatePlayer($couple)) {
            $this->players[$player->id()] = $player;
            $this->players[$couple->id()] = $couple;

            $this->excludePlayers($player, $couple);
        }
    }

    /**
     * @return Player[]
     */
    public function players()
    {
        return $this->players;
    }

    /**
     * @return Player[]
     */
    public function shufflePlayers()
    {
        return $this->shuffleAssoc($this->players);
    }

    /**
     * @param string $id
     * @return Player
     * @throws PlayersCollectionException
     */
    public function player($id)
    {
        if (!isset($this->players[$id])) {
            throw new PlayersCollectionException("Player {$id} not found");
        }

        return $this->players[$id];
    }


    /**
     * @param Player[] ...$players
     */
    private function excludePlayers(...$players)
    {
        foreach ($players as $mainPlayer) {
            foreach ($players as $player) {
                if ($mainPlayer->id() == $player->id()){

                    continue;
                }
                $this->excludePlayers[$mainPlayer->id()][] = $player->id();

            }
        }
    }

    /**
     * @param Player $player
     * @param Player $player2
     * @return bool
     */
    public function areExclude(Player $player, Player $player2)
    {
        if (array_key_exists($player->id(), $this->excludePlayers)
            && in_array($player2->id(), $this->excludePlayers[$player->id()])
        ) {
            return true;
        }

        return false;
    }

    /**
     * @return int
     */
    public function countExcludePlayers()
    {
        return count($this->excludePlayers);
    }


    /**
     * @param Player $player
     * @return bool
     * @throws PlayersCollectionException
     */
    private function isDuplicatePlayer(Player $player)
    {
        if (array_key_exists($player->id(), $this->players)) {
            throw  new PlayersCollectionException('Duplicate player: '.$player->email());
        }

        return false;
    }

    /**
     * @param array $list
     * @return array
     */
    private function shuffleAssoc($list)
    {
        if (!is_array($list)) return $list;

        $keys = $this->forceShuffle(array_keys($list));
        $random = [];
        foreach ($keys as $key) {
            $random[$key] = $list[$key];
        }

        return $random;
    }

    /**
     * @param array $list
     * @return array
     */
    private function forceShuffle($list)
    {
        if (!is_array($list) || count($list) < 2) return $list;

        $shuffleList = $list;
        while ($shuffleList == $list) {
            shuffle($shuffleList);
        }

        return $shuffleList;
    }

    /**
     * @return Player
     */
    public function current()
    {
        return current($this->players);

    }

    /**
     * @return void Any returned value is ignored.
     */
    public function next()
    {
        next($this->players);
    }

    /**
     * @return int
     */
    public function key()
    {
        return key($this->players);
    }

    /**
     * @return bool
     */
    public function valid()
    {
        return ($this->current() !== false);
    }

    /**
     * @return void Any returned value is ignored.
     */
    public function rewind()
    {
        reset($this->players);
    }

    /**
     * @return int
     */
    public function count()
    {
        return count($this->players);
    }
}

1			<?php
2
3			namespace SecretSanta;
4
5			use SecretSanta\Exceptions\PlayersCollectionException;
6
7			/**
8			* Class PlayersCollection
9			* @package SecretSanta
10			*/
11			class PlayersCollection implements \Iterator, \Countable
12			{
13			/** @var Player[] */
14			private $players = [];
15			/** @var array */
16			private $excludePlayers = [];
17
18			/**
19			* @param Player $player
20			* @throws PlayersCollectionException
21			*/
22			public function addPlayer(Player $player)
23			{
24			if (!$this->isDuplicatePlayer($player)) {
25			$this->players[$player->id()] = $player;
26			}
27			}
28
29			/**
30			* @param Player $player
31			* @param Player $couple
32			*/
33			public function addCouple(Player $player, Player $couple)
34			{
35			if (!$this->isDuplicatePlayer($player) && !$this->isDuplicatePlayer($couple)) {
36			$this->players[$player->id()] = $player;
37			$this->players[$couple->id()] = $couple;
38
39			$this->excludePlayers($player, $couple);
40			}
41			}
42
43			/**
44			* @return Player[]
45			*/
46			public function players()
47			{
48			return $this->players;
49			}
50
51			/**
52			* @return Player[]
53			*/
54			public function shufflePlayers()
55			{
56			return $this->shuffleAssoc($this->players);
57			}
58
59			/**
60			* @param string $id
61			* @return Player
62			* @throws PlayersCollectionException
63			*/
64			public function player($id)
65			{
66			if (!isset($this->players[$id])) {
67			throw new PlayersCollectionException("Player {$id} not found");
68			}
69
70			return $this->players[$id];
71			}
72
73
74			/**
75			* @param Player[] ...$players
76			*/
77			private function excludePlayers(...$players)
78			{
79			foreach ($players as $mainPlayer) {
80			foreach ($players as $player) {
81			if ($mainPlayer->id() == $player->id()){
			0 ignored issues – show Bug introduced 2016-11-07 11:50 UTC by Report Bug Copy Issue Report The method `id` cannot be called on `$mainPlayer` (of type `array<integer,object<SecretSanta\Player>>`). Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects. Loading history... Bug introduced 2016-11-07 11:50 UTC by Report Bug Copy Issue Report The method `id` cannot be called on `$player` (of type `array<integer,object<SecretSanta\Player>>`). Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects. Loading history...
82			continue;
83			}
84			$this->excludePlayers[$mainPlayer->id()][] = $player->id();
			0 ignored issues – show Bug introduced 2016-11-07 11:50 UTC by Report Bug Copy Issue Report The method `id` cannot be called on `$mainPlayer` (of type `array<integer,object<SecretSanta\Player>>`). Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects. Loading history... Bug introduced 2016-11-07 11:50 UTC by Report Bug Copy Issue Report The method `id` cannot be called on `$player` (of type `array<integer,object<SecretSanta\Player>>`). Methods can only be called on objects. This check looks for methods being called on variables that have been inferred to never be objects. Loading history...
85			}
86			}
87			}
88
89			/**
90			* @param Player $player
91			* @param Player $player2
92			* @return bool
93			*/
94			public function areExclude(Player $player, Player $player2)
95			{
96			if (array_key_exists($player->id(), $this->excludePlayers)
97			&& in_array($player2->id(), $this->excludePlayers[$player->id()])
98			) {
99			return true;
100			}
101
102			return false;
103			}
104
105			/**
106			* @return int
107			*/
108			public function countExcludePlayers()
109			{
110			return count($this->excludePlayers);
111			}
112
113
114			/**
115			* @param Player $player
116			* @return bool
117			* @throws PlayersCollectionException
118			*/
119			private function isDuplicatePlayer(Player $player)
120			{
121			if (array_key_exists($player->id(), $this->players)) {
122			throw new PlayersCollectionException('Duplicate player: '.$player->email());
123			}
124
125			return false;
126			}
127
128			/**
129			* @param array $list
130			* @return array
131			*/
132			private function shuffleAssoc($list)
133			{
134			if (!is_array($list)) return $list;
135
136			$keys = $this->forceShuffle(array_keys($list));
137			$random = [];
138			foreach ($keys as $key) {
139			$random[$key] = $list[$key];
140			}
141
142			return $random;
143			}
144
145			/**
146			* @param array $list
147			* @return array
148			*/
149			private function forceShuffle($list)
150			{
151			if (!is_array($list) \|\| count($list) < 2) return $list;
152
153			$shuffleList = $list;
154			while ($shuffleList == $list) {
155			shuffle($shuffleList);
156			}
157
158			return $shuffleList;
159			}
160
161			/**
162			* @return Player
163			*/
164			public function current()
165			{
166			return current($this->players);
			0 ignored issues – show Comprehensibility Best Practice introduced 2016-11-07 11:50 UTC by Report Bug Copy Issue Report The expression `current($this->players);` of type `SecretSanta\Player\|false` adds `false` to the return on line 166 which is incompatible with the return type documented by `SecretSanta\PlayersCollection::current` of type `SecretSanta\Player`. It seems like you forgot to handle an error condition. Loading history...
167			}
168
169			/**
170			* @return void Any returned value is ignored.
171			*/
172			public function next()
173			{
174			next($this->players);
175			}
176
177			/**
178			* @return int
179			*/
180			public function key()
181			{
182			return key($this->players);
183			}
184
185			/**
186			* @return bool
187			*/
188			public function valid()
189			{
190			return ($this->current() !== false);
191			}
192
193			/**
194			* @return void Any returned value is ignored.
195			*/
196			public function rewind()
197			{
198			reset($this->players);
199			}
200
201			/**
202			* @return int
203			*/
204			public function count()
205			{
206			return count($this->players);
207			}
208			}

GuilleGF / SecretSantaPHP

Push — master ( 4632b0...98cfe8 )

PlayersCollection::shuffleAssoc() A

Complexity

Size

Duplication

Importance

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