1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/* |
4
|
|
|
* This file is part of the xAPI package. |
5
|
|
|
* |
6
|
|
|
* (c) Christian Flothmann <[email protected]> |
7
|
|
|
* |
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
9
|
|
|
* file that was distributed with this source code. |
10
|
|
|
*/ |
11
|
|
|
|
12
|
|
|
namespace Xabbuh\XApi\Model; |
13
|
|
|
|
14
|
|
|
/** |
15
|
|
|
* The outcome of an {@link Activity} achieved by an {@link Agent}. |
16
|
|
|
* |
17
|
|
|
* @author Christian Flothmann <[email protected]> |
18
|
|
|
*/ |
19
|
|
|
final class Score |
20
|
|
|
{ |
21
|
|
|
private $scaled; |
22
|
|
|
private $raw; |
23
|
|
|
private $min; |
24
|
|
|
private $max; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* @param float|int|null $scaled |
28
|
|
|
* @param float|int|null $raw |
29
|
|
|
* @param float|int|null $min |
30
|
|
|
* @param float|int|null $max |
31
|
|
|
*/ |
32
|
|
|
public function __construct($scaled = null, $raw = null, $min = null, $max = null) |
33
|
|
|
{ |
34
|
|
|
$this->scaled = $scaled; |
35
|
|
|
$this->raw = $raw; |
36
|
|
|
$this->min = $min; |
37
|
|
|
$this->max = $max; |
38
|
|
|
} |
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* @param float|int|null $scaled |
42
|
|
|
*/ |
43
|
|
|
public function withScaled($scaled): self |
44
|
|
|
{ |
45
|
|
|
$score = clone $this; |
46
|
|
|
$score->scaled = $scaled; |
47
|
|
|
|
48
|
|
|
return $score; |
49
|
|
|
} |
50
|
|
|
|
51
|
|
|
/** |
52
|
|
|
* @param float|int|null $raw |
53
|
|
|
*/ |
54
|
|
|
public function withRaw($raw): self |
55
|
|
|
{ |
56
|
|
|
$score = clone $this; |
57
|
|
|
$score->raw = $raw; |
58
|
|
|
|
59
|
|
|
return $score; |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* @param float|int|null $min |
64
|
|
|
*/ |
65
|
|
|
public function withMin($min): self |
66
|
|
|
{ |
67
|
|
|
$score = clone $this; |
68
|
|
|
$score->min = $min; |
69
|
|
|
|
70
|
|
|
return $score; |
71
|
|
|
} |
72
|
|
|
|
73
|
|
|
/** |
74
|
|
|
* @param float|int|null $max |
75
|
|
|
*/ |
76
|
|
|
public function withMax($max): self |
77
|
|
|
{ |
78
|
|
|
$score = clone $this; |
79
|
|
|
$score->max = $max; |
80
|
|
|
|
81
|
|
|
return $score; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
/** |
85
|
|
|
* Returns the Agent's scaled score (a number between -1 and 1). |
86
|
|
|
* |
87
|
|
|
* @return float|int|null The scaled score |
88
|
|
|
*/ |
89
|
|
|
public function getScaled() |
90
|
|
|
{ |
91
|
|
|
return $this->scaled; |
92
|
|
|
} |
93
|
|
|
|
94
|
|
|
/** |
95
|
|
|
* Returns the Agent's score (a number between min and max). |
96
|
|
|
* |
97
|
|
|
* @return float|int|null The score |
98
|
|
|
*/ |
99
|
|
|
public function getRaw() |
100
|
|
|
{ |
101
|
|
|
return $this->raw; |
102
|
|
|
} |
103
|
|
|
|
104
|
|
|
/** |
105
|
|
|
* Returns the lowest possible score. |
106
|
|
|
* |
107
|
|
|
* @return float|int|null The lowest possible score |
108
|
|
|
*/ |
109
|
|
|
public function getMin() |
110
|
|
|
{ |
111
|
|
|
return $this->min; |
112
|
|
|
} |
113
|
|
|
|
114
|
|
|
/** |
115
|
|
|
* Returns the highest possible score. |
116
|
|
|
* |
117
|
|
|
* @return float|int|null The highest possible score |
118
|
|
|
*/ |
119
|
|
|
public function getMax() |
120
|
|
|
{ |
121
|
|
|
return $this->max; |
122
|
|
|
} |
123
|
|
|
|
124
|
|
|
/** |
125
|
|
|
* Checks if another score is equal. |
126
|
|
|
* |
127
|
|
|
* Two scores are equal if and only if all of their properties are equal. |
128
|
|
|
*/ |
129
|
|
|
public function equals(Score $score): bool |
130
|
|
|
{ |
131
|
|
|
if (null !== $this->scaled xor null !== $score->scaled) { |
132
|
|
|
return false; |
133
|
|
|
} |
134
|
|
|
|
135
|
|
|
if ((float) $this->scaled !== (float) $score->scaled) { |
136
|
|
|
return false; |
137
|
|
|
} |
138
|
|
|
|
139
|
|
|
if (null !== $this->raw xor null !== $score->raw) { |
140
|
|
|
return false; |
141
|
|
|
} |
142
|
|
|
|
143
|
|
|
if ((float) $this->raw !== (float) $score->raw) { |
144
|
|
|
return false; |
145
|
|
|
} |
146
|
|
|
|
147
|
|
|
if (null !== $this->min xor null !== $score->min) { |
148
|
|
|
return false; |
149
|
|
|
} |
150
|
|
|
|
151
|
|
|
if ((float) $this->min !== (float) $score->min) { |
152
|
|
|
return false; |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
if (null !== $this->max xor null !== $score->max) { |
156
|
|
|
return false; |
157
|
|
|
} |
158
|
|
|
|
159
|
|
|
if ((float) $this->max !== (float) $score->max) { |
160
|
|
|
return false; |
161
|
|
|
} |
162
|
|
|
|
163
|
|
|
return true; |
164
|
|
|
} |
165
|
|
|
} |
166
|
|
|
|