TransferMessage::generate() - Code Metrics - Inspection of "style: structured message is a string" - kouinkouin/be-bank-transfer-message - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 2a0971...fa0347 )

by kouinkouin

created 2017-10-03 16:16 UTC

TransferMessage::generate() A

↳ Parent: TransferMessage

Complexity

Conditions	1
Paths	1

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	7
CRAP Score	1.0109

Importance

Changes

Metric	Value
dl	0
loc	12
ccs	7
cts	9
cp	0.7778
rs	9.4285
c	0
b	0
f	0
cc	1
eloc	7
nc	1
nop	1
crap	1.0109

<?php

namespace Netsensei\BeBankTransferMessage;

use Netsensei\BeBankTransferMessage\Exception\TransferMessageException;

class TransferMessage
{
    /**
     * Set divisor used to calculate the modulus
     */
    const MODULO = 97;

    /**
     * Set the asterisk sign as a circumfix
     */
    const CIRCUMFIX_ASTERISK = "*";

    /**
     * Set the plus sign as a circumfix
     */
    const CIRCUMFIX_PLUS = "+";

    /**
     * The number used to generate a structured message
     *
     * @var int
     */
    private $number;

    /**
     * The modulus resulting from the modulo operation
     *
     * @var int
     */
    private $modulus;

    /**
     * A structured message with a valid formatting
     *
     * @var string
     */
    private $structuredMessage = null;

    /**
     * Create a new instance
     *
     * @param int $number The number used to generate a structured message
     */
    public function __construct($number = null)
    {
        $this->setNumber($number);
        $this->generate();
    }

    /**
     * Generate a valid structured message based on the number
     *
     * @param  string $circumfix The circumfix. Defaults to the plus sign
     *
     * @return string            A valid structured message
     */
    public function generate($circumfix = self::CIRCUMFIX_PLUS)
    {
        $this->modulus = $this->mod($this->number);

        $structuredMessage = str_pad($this->number, 10, 0, STR_PAD_LEFT).str_pad($this->modulus, 2, 0, STR_PAD_LEFT);

        $pattern = ['/^([0-9]{3})([0-9]{4})([0-9]{5})$/'];
        $replace = [str_pad('$1/$2/$3', 14, $circumfix, STR_PAD_BOTH)];
        $this->structuredMessage = preg_replace($pattern, $replace, $structuredMessage);

        return $this->structuredMessage;
    }

    /**
     * The mod97 calculation
     *
     * If the modulus is 0, the result is substituted to 97
     *
     * @param  int $dividend The dividend
     *
     * @return int           The modulus
     */
    private function mod($dividend)
    {
        $modulus = $dividend % self::MODULO;

        return ($modulus > 0) ? $modulus : self::MODULO;
    }

    /**
     * Get the number
     *
     * @return int The number used to generate a structured message
     */
    public function getNumber()
    {
        return $this->number;
    }

    /**
     * Set the number
     *
     * If no number is passed to this method, a random number will be generated
     *
     * @param int $number The number used to generate a structured message
     *
     * @throws TransferMessageException If the number is out of bounds
     */
    public function setNumber($number = null)
    {
        try {
            if (is_null($number)) {
                if (version_compare(PHP_VERSION, '7.0.0', '>=')) {
                    $this->number = random_int(1, 9999999999);
                } else {
                    $this->number = mt_rand(1, 9999999999);
                }
            } else {
                if (($number < 1) || ($number > 9999999999)) {
                    throw new \InvalidArgumentException(
                        'The number should be an integer larger then 0 and smaller then 9999999999.'
                    );
                }

                $this->number = $number;
            }
        } catch (\Exception $e) {
            throw new TransferMessageException('Failed to set number', null, $e);
        }
    }

    /**
     * Get the modulus
     *
     * @return int The modulus resulting from the modulo operation
     */
    public function getModulus()
    {
        return $this->modulus;
    }

    /**
     * Get the structured message
     *
     * @return string A valid formatted structured message
     */
    public function getStructuredMessage()
    {
        return $this->structuredMessage;
    }

    /**
     * Set a structured message
     *
     * @param string $structuredMessage A structured message
     *
     * @throws  TransferMessageException If the format is not valid
     */
    public function setStructuredMessage($structuredMessage)
    {
        try {
            $pattern = '/^[\+\*]{3}[0-9]{3}[\/]?[0-9]{4}[\/]?[0-9]{5}[\+\*]{3}$/';
            if (preg_match($pattern, $structuredMessage) === 0) {
                throw new \InvalidArgumentException('The structured message does not have a valid format.');
            } else {
                $this->structuredMessage = $structuredMessage;
            }
        } catch (\Exception $e) {
            throw new TransferMessageException('Failed to validate the format of the structured message', null, $e);
        }
    }

    /**
     * Validates a structured message
     *
     * The validation is the mod97 calculation of the number and comparison of
     * the result to the provided modulus.
     *
     * @return bool TRUE if valid, FALSE if invalid
     */
    public function validate()
    {
        $pattern = ['/^[\+\*]{3}([0-9]{3})[\/]?([0-9]{4})[\/]?([0-9]{5})[\+\*]{3}$/'];
        $replace = ['${1}${2}${3}'];
        $rawStructuredMessage = preg_replace($pattern, $replace, $this->structuredMessage);

        $number = substr($rawStructuredMessage, 0, 10);
        $modulus = substr($rawStructuredMessage, 10, 2);

        return ($modulus == $this->mod($number)) ? true : false;
    }
}


1		<?php
2
3		namespace Netsensei\BeBankTransferMessage;
4
5		use Netsensei\BeBankTransferMessage\Exception\TransferMessageException;
6
7		class TransferMessage
8		{
9		/**
10		* Set divisor used to calculate the modulus
11		*/
12		const MODULO = 97;
13
14		/**
15		* Set the asterisk sign as a circumfix
16		*/
17		const CIRCUMFIX_ASTERISK = "*";
18
19		/**
20		* Set the plus sign as a circumfix
21		*/
22		const CIRCUMFIX_PLUS = "+";
23
24		/**
25		* The number used to generate a structured message
26		*
27		* @var int
28		*/
29		private $number;
30
31		/**
32		* The modulus resulting from the modulo operation
33		*
34		* @var int
35		*/
36		private $modulus;
37
38		/**
39		* A structured message with a valid formatting
40		*
41		* @var string
42		*/
43		private $structuredMessage = null;
44
45		/**
46		* Create a new instance
47		*
48		* @param int $number The number used to generate a structured message
49		*/
50	16	public function __construct($number = null)
51		{
52	16	$this->setNumber($number);
53	16	$this->generate();
54	16	}
55
56		/**
57		* Generate a valid structured message based on the number
58		*
59		* @param string $circumfix The circumfix. Defaults to the plus sign
60		*
61		* @return string A valid structured message
62		*/
63	16	public function generate($circumfix = self::CIRCUMFIX_PLUS)
64		{
65	16	$this->modulus = $this->mod($this->number);
66
67	16	$structuredMessage = str_pad($this->number, 10, 0, STR_PAD_LEFT).str_pad($this->modulus, 2, 0, STR_PAD_LEFT);
68
69	16	$pattern = ['/^([0-9]{3})([0-9]{4})([0-9]{5})$/'];
70	16	$replace = [str_pad('$1/$2/$3', 14, $circumfix, STR_PAD_BOTH)];
71	16	$this->structuredMessage = preg_replace($pattern, $replace, $structuredMessage);
72
73	16	return $this->structuredMessage;
74		}
75
76		/**
77		* The mod97 calculation
78		*
79		* If the modulus is 0, the result is substituted to 97
80		*
81		* @param int $dividend The dividend
82		*
83		* @return int The modulus
84		*/
85	16	private function mod($dividend)
86		{
87	16	$modulus = $dividend % self::MODULO;
88
89	16	return ($modulus > 0) ? $modulus : self::MODULO;
90		}
91
92		/**
93		* Get the number
94		*
95		* @return int The number used to generate a structured message
96		*/
97	2	public function getNumber()
98		{
99	2	return $this->number;
100		}
101
102		/**
103		* Set the number
104		*
105		* If no number is passed to this method, a random number will be generated
106		*
107		* @param int $number The number used to generate a structured message
108		*
109		* @throws TransferMessageException If the number is out of bounds
110		*/
111	16	public function setNumber($number = null)
112		{
113		try {
114	16	if (is_null($number)) {
115	10	if (version_compare(PHP_VERSION, '7.0.0', '>=')) {
116		$this->number = random_int(1, 9999999999);
117		} else {
118	10	$this->number = mt_rand(1, 9999999999);
119		}
120	10	} else {
121	14	if (($number < 1) \|\| ($number > 9999999999)) {
122	6	throw new \InvalidArgumentException(
123		'The number should be an integer larger then 0 and smaller then 9999999999.'
124	6	);
125		}
126
127	8	$this->number = $number;
128		}
129	16	} catch (\Exception $e) {
130	6	throw new TransferMessageException('Failed to set number', null, $e);
131		}
132	16	}
133
134		/**
135		* Get the modulus
136		*
137		* @return int The modulus resulting from the modulo operation
138		*/
139	2	public function getModulus()
140		{
141	2	return $this->modulus;
142		}
143
144		/**
145		* Get the structured message
146		*
147		* @return string A valid formatted structured message
148		*/
149	2	public function getStructuredMessage()
150		{
151	2	return $this->structuredMessage;
152		}
153
154		/**
155		* Set a structured message
156		*
157		* @param string $structuredMessage A structured message
158		*
159		* @throws TransferMessageException If the format is not valid
160		*/
161	4	public function setStructuredMessage($structuredMessage)
162		{
163		try {
164	4	$pattern = '/^[\+\]{3}[0-9]{3}[\/]?[0-9]{4}[\/]?[0-9]{5}[\+\]{3}$/';
165	4	if (preg_match($pattern, $structuredMessage) === 0) {
166	2	throw new \InvalidArgumentException('The structured message does not have a valid format.');
167		} else {
168	2	$this->structuredMessage = $structuredMessage;
169		}
170	4	} catch (\Exception $e) {
171	2	throw new TransferMessageException('Failed to validate the format of the structured message', null, $e);
172		}
173	2	}
174
175		/**
176		* Validates a structured message
177		*
178		* The validation is the mod97 calculation of the number and comparison of
179		* the result to the provided modulus.
180		*
181		* @return bool TRUE if valid, FALSE if invalid
182		*/
183	2	public function validate()
184		{
185	2	$pattern = ['/^[\+\]{3}([0-9]{3})[\/]?([0-9]{4})[\/]?([0-9]{5})[\+\]{3}$/'];
186	2	$replace = ['${1}${2}${3}'];
187	2	$rawStructuredMessage = preg_replace($pattern, $replace, $this->structuredMessage);
188
189	2	$number = substr($rawStructuredMessage, 0, 10);
190	2	$modulus = substr($rawStructuredMessage, 10, 2);
191
192	2	return ($modulus == $this->mod($number)) ? true : false;
193		}
194		}
195

kouinkouin / be-bank-transfer-message

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TransferMessage::generate() A

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