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46.37 |
1 | <?php |
2 | namespace Dbmi\Webservice\Analysis; |
3 | |
4 | /** |
5 | * Intensity |
6 | * |
7 | * @param string $value DBMI intensity non numeric |
8 | */ |
9 | class Intensity{ |
10 | private const errorValue = -1; |
11 | private string $value; |
12 | private float $numericValue; |
13 | |
14 | public function __construct( string $value){ |
15 | $this->value = $value; |
16 | $this->numericValue = $this->convertToNumeric($value); |
17 | if ( $this->numericValue == self::errorValue ) |
18 | throw new \InvalidArgumentException(sprintf("[%s] value '%s' not valid", __METHOD__, $value)); |
19 | |
20 | } |
21 | |
22 | /** |
23 | * Get intensity value as added (raw) |
24 | * |
25 | * @return string Intensity value |
26 | */ |
27 | public function rawValue():string { return $this->value; } |
28 | |
29 | /** |
30 | * Get numeric intensity value |
31 | * |
32 | * @return float intensity value |
33 | */ |
34 | public function value():float { return $this->numericValue; } |
35 | |
36 | /** |
37 | * Convert intensity string to a numeric value |
38 | * |
39 | * @param string value to convert |
40 | * @return float intensity value converted |
41 | */ |
42 | private function convertToNumeric(string $value):float { |
43 | // $value is simply numeric |
44 | if(is_numeric($value)) |
45 | return intval($value); |
46 | |
47 | // $value is a middle grade like x-(x+1) |
48 | if(preg_match('/(\d*)-(\d*)/', $value, $matches)) |
49 | return ($matches[1] + $matches[2]) / 2; |
50 | |
51 | // $value is a special string |
52 | switch(strtoupper($value)){ |
53 | case 'RS': |
54 | case 'NR': |
55 | case 'W': |
56 | case 'E': return 0; break; |
57 | case 'G': return 0.2; break; |
58 | case 'NF': return 1; break; |
59 | case 'NC': return 1.8; break; |
60 | case 'SF': return 2.9; break; |
61 | case 'F': return 3.9; break; |
62 | case 'HF': return 5.1; break; |
63 | case 'SD': return 5.6; break; |
64 | case 'D': return 6.4; break; |
65 | case 'HD': return 8.6; break; |
66 | default: return self::errorValue; break; |
67 | } |
68 | } |
69 | |
70 | } |
71 | ?> |