|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SecretSanta; |
|
4
|
|
|
|
|
5
|
|
|
use SecretSanta\Exceptions\PlayerException; |
|
6
|
|
|
use SecretSanta\Exceptions\SecretSantaException; |
|
7
|
|
|
|
|
8
|
|
|
/** |
|
9
|
|
|
* Class SecretSanta |
|
10
|
|
|
* @package SecretSanta |
|
11
|
|
|
*/ |
|
12
|
|
|
class SecretSanta |
|
13
|
|
|
{ |
|
14
|
|
|
/** @var PlayersCollection */ |
|
15
|
|
|
private $players; |
|
16
|
|
|
/** @var array */ |
|
17
|
|
|
private $combination; |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* SecretSanta constructor. |
|
21
|
|
|
*/ |
|
22
|
19 |
|
public function __construct() |
|
23
|
|
|
{ |
|
24
|
19 |
|
$this->players = new PlayersCollection(); |
|
25
|
19 |
|
} |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* Add single player to the game |
|
29
|
|
|
* @param string $name |
|
30
|
|
|
* @param string $email |
|
31
|
|
|
* @return SecretSanta |
|
32
|
|
|
*/ |
|
33
|
7 |
|
public function addPlayer($name, $email) |
|
34
|
|
|
{ |
|
35
|
7 |
|
$this->players->addPlayer(Player::create($name, $email)); |
|
36
|
|
|
|
|
37
|
7 |
|
return $this; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Add two excluded players to the game |
|
42
|
|
|
* @param string $name |
|
43
|
|
|
* @param string $email |
|
44
|
|
|
* @param string $coupleName |
|
45
|
|
|
* @param string $coupleEmail |
|
46
|
|
|
* @return SecretSanta |
|
47
|
|
|
*/ |
|
48
|
12 |
|
public function addCouple($name, $email, $coupleName, $coupleEmail) |
|
49
|
|
|
{ |
|
50
|
12 |
|
$this->players->addCouple( |
|
51
|
12 |
|
Player::create($name, $email), |
|
52
|
12 |
|
Player::create($coupleName, $coupleEmail) |
|
53
|
12 |
|
); |
|
54
|
|
|
|
|
55
|
11 |
|
return $this; |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* Add multiple exclusive players to the game |
|
60
|
|
|
* @param array $playersData |
|
61
|
|
|
* @return $this |
|
62
|
|
|
* @throws SecretSantaException |
|
63
|
|
|
*/ |
|
64
|
7 |
|
public function addExclusivePlayers(...$playersData) |
|
65
|
|
|
{ |
|
66
|
7 |
|
if (count($playersData) < 2) { |
|
67
|
2 |
|
throw new SecretSantaException('Number of players must be grater or equal than two.'); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
try { |
|
71
|
5 |
|
$players = []; |
|
72
|
5 |
|
foreach ($playersData as $playerData) { |
|
73
|
5 |
|
list($name, $email) = array_values($playerData); |
|
74
|
5 |
|
$players[] = Player::create($name, $email); |
|
75
|
4 |
|
} |
|
76
|
|
|
|
|
77
|
4 |
|
$this->players->addExclusivePlayers($players); |
|
78
|
5 |
|
} catch (PlayerException $exception) { |
|
79
|
1 |
|
throw new SecretSantaException('One o more players are invalids.', $exception); |
|
80
|
1 |
|
} catch (\Exception $exception) { |
|
81
|
1 |
|
throw new SecretSantaException('An error has occurred.', $exception); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
3 |
|
return $this; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* @return Player[] |
|
89
|
|
|
* @throws SecretSantaException |
|
90
|
|
|
*/ |
|
91
|
12 |
|
public function play() |
|
92
|
|
|
{ |
|
93
|
|
|
try { |
|
94
|
12 |
|
$this->combinePlayers(); |
|
95
|
|
|
|
|
96
|
10 |
|
return $this->associatePlayers(); |
|
97
|
2 |
|
} catch (SecretSantaException $exception) { |
|
98
|
2 |
|
throw $exception; |
|
99
|
|
|
} catch (\Exception $exception) { |
|
100
|
|
|
throw new SecretSantaException('Error during play, impossible to find secret santa, try again', $exception); |
|
101
|
|
|
} |
|
102
|
|
|
} |
|
103
|
|
|
|
|
104
|
|
|
/** |
|
105
|
|
|
* @throws SecretSantaException |
|
106
|
|
|
*/ |
|
107
|
12 |
|
private function combinePlayers() |
|
108
|
|
|
{ |
|
109
|
12 |
|
if (count($this->players) < 4) { |
|
110
|
2 |
|
throw new SecretSantaException("Not enough players to play, at least 4 players are required"); |
|
111
|
|
|
} |
|
112
|
|
|
|
|
113
|
10 |
|
$retry = count($this->players) + $this->players->countExclusivePlayers(); |
|
114
|
|
|
|
|
115
|
10 |
|
while (!$this->tryMatchSecretSantaPlayers() && $retry > 0 ) { |
|
116
|
|
|
$retry--; |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
10 |
|
if (!$this->isValidCombination()) { |
|
120
|
|
|
throw new SecretSantaException("Not enough players to play"); |
|
121
|
|
|
} |
|
122
|
10 |
|
} |
|
123
|
|
|
|
|
124
|
|
|
/** |
|
125
|
|
|
* @return bool |
|
126
|
|
|
*/ |
|
127
|
10 |
|
private function tryMatchSecretSantaPlayers() |
|
128
|
|
|
{ |
|
129
|
10 |
|
$this->combination = []; |
|
130
|
10 |
|
$secretPlayers = $this->players->shufflePlayers(); |
|
131
|
10 |
|
foreach ($this->players->players() as $playerId => $player) { |
|
132
|
10 |
|
foreach ($secretPlayers as $secretPlayer) { |
|
133
|
10 |
|
if ($this->isValidSecretSanta($player, $secretPlayer)) { |
|
134
|
10 |
|
$this->combination[$player->id()] = $secretPlayer->id(); |
|
135
|
10 |
|
unset ($secretPlayers[$secretPlayer->id()]); |
|
136
|
10 |
|
break; |
|
137
|
|
|
} |
|
138
|
10 |
|
} |
|
139
|
10 |
|
} |
|
140
|
|
|
|
|
141
|
10 |
|
return $this->isValidCombination(); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
/** |
|
145
|
|
|
* @param Player $player |
|
146
|
|
|
* @param Player $secretPlayer |
|
147
|
|
|
* @return bool |
|
148
|
|
|
*/ |
|
149
|
10 |
|
private function isValidSecretSanta($player, $secretPlayer) |
|
150
|
|
|
{ |
|
151
|
10 |
|
if ($player->id() != $secretPlayer->id() && !$this->players->areExclusive($player, $secretPlayer)) { |
|
152
|
10 |
|
if (!in_array($secretPlayer->id(), $this->combination)) { |
|
153
|
10 |
|
return true; |
|
154
|
|
|
} |
|
155
|
|
|
} |
|
156
|
|
|
|
|
157
|
9 |
|
return false; |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
|
|
/** |
|
161
|
|
|
* @return bool |
|
162
|
|
|
*/ |
|
163
|
10 |
|
private function isValidCombination() |
|
164
|
|
|
{ |
|
165
|
10 |
|
return count($this->combination) > 0 && count($this->combination) == count($this->players); |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
10 |
|
private function associatePlayers() |
|
169
|
|
|
{ |
|
170
|
10 |
|
foreach ($this->combination as $playerId => $secretSantaId) { |
|
171
|
10 |
|
$this->players->player($playerId)->setSecretSanta( |
|
172
|
10 |
|
$this->players->player($secretSantaId) |
|
173
|
10 |
|
); |
|
174
|
10 |
|
} |
|
175
|
|
|
|
|
176
|
10 |
|
return $this->players->players(); |
|
177
|
|
|
} |
|
178
|
|
|
} |
|
179
|
|
|
|
GuilleGF /
SecretSantaPHP
