EEH_Money::compare_floats() - Code Metrics - Inspection of "Daily Inspection: Merge remote-tracking branch 'gi..." - eventespresso/event-espresso-core - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — FET-10586-integer-input (41299b)

unknown

created 2017-04-05 21:08 UTC

EEH_Money::compare_floats() C

↳ Parent: EEH_Money

Complexity

Conditions	26
Paths	35

Size

Total Lines	66
Code Lines	47

Duplication

Lines	28
Ratio	42.42 %

Importance

Changes

Metric	Value
cc	26
eloc	47
nc	35
nop	3
dl	28
loc	66
rs	5.7154
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
/**
 * This file contains a helper class for money type actions.
 *
 * @since %VER%
 * @package  Event Espresso
 * @subpackage helper
 */
if ( ! defined('EVENT_ESPRESSO_VERSION')) exit('No direct script access allowed');
 /**
 *
 * Money helper class.
 * This class has helper methods that help with money related conversions and calculations.
 *
 * @since %VER%
 *
 * @package		Event Espresso
 * @subpackage	helpers
 * @author		Darren Ethier
 *
 * ------------------------------------------------------------------------
 */
class EEH_Money extends EEH_Base  {


    /**
     * This removes all localized money formatting from the incoming value
     *
     * @param int|float|string $money_value
     * @param string           $CNT_ISO
     * @return float
     * @throws EE_Error
     */
	public static function strip_localized_money_formatting($money_value, $CNT_ISO = '') {
        $currency_config = EEH_Money::get_currency_config($CNT_ISO);
        $money_value = str_replace(
		    array(
                $currency_config->thsnds,
                $currency_config->dec_mrk,
            ),
            array(
                '', // remove thousands separator
                '.', // convert decimal mark to what PHP expects
            ),
            $money_value
        );
        $money_value = filter_var(
            $money_value,
            FILTER_SANITIZE_NUMBER_FLOAT,
            FILTER_FLAG_ALLOW_FRACTION
        );
        return $money_value;
    }



    /**
     * This converts an incoming localized money value into a standard float item (to three decimal places)
     *
     * @param int|string $money_value
     * @return float
     * @throws EE_Error
     */
	public static function convert_to_float_from_localized_money($money_value ) {
		//float it! and round to three decimal places
        return round ( (float) EEH_Money::strip_localized_money_formatting($money_value), 3 );
	}



	/**
	 * For comparing floats. Default operator is '=', but see the $operator below for all options.
	 * This should be used to compare floats instead of normal '==' because floats
	 * are inherently imprecise, and so you can sometimes have two floats that appear to be identical
	 * but actually differ by 0.00000001.
	 *
	 * @see http://biostall.com/php-function-to-compare-floating-point-numbers
	 * @param float  $float1
	 * @param float  $float2
	 * @param string $operator  The operator. Valid options are =, <=, <, >=, >, <>, eq, lt, lte, gt, gte, ne
	 * @return bool whether the equation is true or false
	 * @throws EE_Error
	 */

	public static function compare_floats( $float1, $float2, $operator='=' ) {
		// Check numbers to 5 digits of precision
		$epsilon = 0.00001;

		$float1 = (float)$float1;
		$float2 = (float)$float2;

		switch ($operator) {
			// equal
			case "=":
			case "==":
			case "===":
			case "eq":
				if (abs($float1 - $float2) < $epsilon) {
					return true;
				}
				break;
			// less than
			case "<":
			case "lt":
				if (abs($float1 - $float2) < $epsilon) {
					return false;
				} else {
					if ($float1 < $float2) {
						return true;
					}
				}
				break;
			// less than or equal
			case "<=":
			case "lte":
				if (self::compare_floats($float1, $float2, '<') || self::compare_floats($float1, $float2, '=')) {
					return true;
				}
				break;
			// greater than
			case ">":
			case "gt":
				if (abs($float1 - $float2) < $epsilon) {
					return false;
				} else {
					if ($float1 > $float2) {
						return true;
					}
				}
				break;
			// greater than or equal
			case ">=":
			case "gte":
				if (self::compare_floats($float1, $float2, '>') || self::compare_floats($float1, $float2, '=')) {
					return true;
				}
				break;
			case "<>":
			case "!=":
			case "ne":
				if (abs($float1 - $float2) > $epsilon) {
					return true;
				}
				break;
			default:
				throw new EE_Error(__( "Unknown operator '" . $operator . "' in EEH_Money::compare_floats()", 'event_espresso' ) );
		}

		return false;
	}



    /**
     * This returns a localized format string suitable for jQplot.
     *
     * @param string $CNT_ISO  If this is provided, then will attempt to get the currency settings for the country.
     *                         Otherwise will use currency settings for current active country on site.
     * @return string
     * @throws EE_Error
     */
	public static function get_format_for_jqplot( $CNT_ISO = '') {
		//default format
		$format = 'f';
		$currency_config = $currency_config = EEH_Money::get_currency_config($CNT_ISO);
        //first get the decimal place and number of places
		$format = "%'." . $currency_config->dec_plc . $format;
		//currency symbol on right side.
		$format = $currency_config->sign_b4 ? $currency_config->sign . $format : $format . $currency_config->sign;
		return $format;
	}



    /**
     * This returns a localized format string suitable for usage with the Google Charts API format param.
     *
     * @param string $CNT_ISO  If this is provided, then will attempt to get the currency settings for the country.
     *                         Otherwise will use currency settings for current active country on site.
     *                         Note: GoogleCharts uses ICU pattern set
     *                         (@see http://icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
     * @return string
     * @throws EE_Error
     */
	public static function get_format_for_google_charts( $CNT_ISO = '' ) {
		$currency_config = EEH_Money::get_currency_config($CNT_ISO);
		$decimal_places_placeholder = str_pad( '', $currency_config->dec_plc, '0' );
		//first get the decimal place and number of places
		$format = '#,##0.' . $decimal_places_placeholder;

		//currency symbol on right side.
		$format = $currency_config->sign_b4 ? $currency_config->sign . $format : $format . $currency_config->sign;
		$formatterObject = array(
			'decimalSymbol' => $currency_config->dec_mrk,
			'groupingSymbol' => $currency_config->thsnds,
			'fractionDigits' => $currency_config->dec_plc,
		);
		if ( $currency_config->sign_b4 ) {
			$formatterObject['prefix'] = $currency_config->sign;
		} else {
			$formatterObject['suffix'] = $currency_config->sign;
		}
		return array(
			'format' => $format,
			'formatterObject' => $formatterObject,
		);
	}



    /**
     * @param string $CNT_ISO
     * @return EE_Currency_Config|null
     * @throws EE_Error
     */
    public static function get_currency_config($CNT_ISO = '')
    {
        //if CNT_ISO passed lets try to get currency settings for it.
        $currency_config = $CNT_ISO !== ''
            ? new EE_Currency_Config($CNT_ISO)
            : null;
        //default currency settings for site if not set
        if (! $currency_config instanceof EE_Currency_Config) {
            $currency_config = EE_Registry::instance()->CFG->currency instanceof EE_Currency_Config
                ? EE_Registry::instance()->CFG->currency
                : new EE_Currency_Config();
        }
        return $currency_config;
    }

} //end class EEH_Money


1		<?php
2		/**
3		* This file contains a helper class for money type actions.
4		*
5		* @since %VER%
6		* @package Event Espresso
7		* @subpackage helper
8		*/
9		if ( ! defined('EVENT_ESPRESSO_VERSION')) exit('No direct script access allowed');
10		/**
11		*
12		* Money helper class.
13		* This class has helper methods that help with money related conversions and calculations.
14		*
15		* @since %VER%
16		*
17		* @package Event Espresso
18		* @subpackage helpers
19		* @author Darren Ethier
20		*
21		* ------------------------------------------------------------------------
22		*/
23		class EEH_Money extends EEH_Base {
24
25
26		/**
27		* This removes all localized money formatting from the incoming value
28		*
29		* @param int\|float\|string $money_value
30		* @param string $CNT_ISO
31		* @return float
32		* @throws EE_Error
33		*/
34		public static function strip_localized_money_formatting($money_value, $CNT_ISO = '') {
35		$currency_config = EEH_Money::get_currency_config($CNT_ISO);
36		$money_value = str_replace(
37		array(
38		$currency_config->thsnds,
39		$currency_config->dec_mrk,
40		),
41		array(
42		'', // remove thousands separator
43		'.', // convert decimal mark to what PHP expects
44		),
45		$money_value
46		);
47		$money_value = filter_var(
48		$money_value,
49		FILTER_SANITIZE_NUMBER_FLOAT,
50		FILTER_FLAG_ALLOW_FRACTION
51		);
52		return $money_value;
53		}
54
55
56
57		/**
58		* This converts an incoming localized money value into a standard float item (to three decimal places)
59		*
60		* @param int\|string $money_value
61		* @return float
62		* @throws EE_Error
63		*/
64		public static function convert_to_float_from_localized_money($money_value ) {
65		//float it! and round to three decimal places
66		return round ( (float) EEH_Money::strip_localized_money_formatting($money_value), 3 );
67		}
68
69
70
71		/**
72		* For comparing floats. Default operator is '=', but see the $operator below for all options.
73		* This should be used to compare floats instead of normal '==' because floats
74		* are inherently imprecise, and so you can sometimes have two floats that appear to be identical
75		* but actually differ by 0.00000001.
76		*
77		* @see http://biostall.com/php-function-to-compare-floating-point-numbers
78		* @param float $float1
79		* @param float $float2
80		* @param string $operator The operator. Valid options are =, <=, <, >=, >, <>, eq, lt, lte, gt, gte, ne
81		* @return bool whether the equation is true or false
82		* @throws EE_Error
83		*/
84
85		public static function compare_floats( $float1, $float2, $operator='=' ) {
86		// Check numbers to 5 digits of precision
87		$epsilon = 0.00001;
88
89		$float1 = (float)$float1;
90		$float2 = (float)$float2;
91
92		switch ($operator) {
93		// equal
94		case "=":
95		case "==":
96		case "===":
97		case "eq":
98		if (abs($float1 - $float2) < $epsilon) {
99		return true;
100		}
101		break;
102		// less than
103		case "<":
104	View Code Duplication	case "lt":
105		if (abs($float1 - $float2) < $epsilon) {
106		return false;
107		} else {
108		if ($float1 < $float2) {
109		return true;
110		}
111		}
112		break;
113		// less than or equal
114		case "<=":
115	View Code Duplication	case "lte":
116		if (self::compare_floats($float1, $float2, '<') \|\| self::compare_floats($float1, $float2, '=')) {
117		return true;
118		}
119		break;
120		// greater than
121		case ">":
122	View Code Duplication	case "gt":
123		if (abs($float1 - $float2) < $epsilon) {
124		return false;
125		} else {
126		if ($float1 > $float2) {
127		return true;
128		}
129		}
130		break;
131		// greater than or equal
132		case ">=":
133	View Code Duplication	case "gte":
134		if (self::compare_floats($float1, $float2, '>') \|\| self::compare_floats($float1, $float2, '=')) {
135		return true;
136		}
137		break;
138		case "<>":
139		case "!=":
140		case "ne":
141		if (abs($float1 - $float2) > $epsilon) {
142		return true;
143		}
144		break;
145		default:
146		throw new EE_Error(__( "Unknown operator '" . $operator . "' in EEH_Money::compare_floats()", 'event_espresso' ) );
147		}
148
149		return false;
150		}
151
152
153
154		/**
155		* This returns a localized format string suitable for jQplot.
156		*
157		* @param string $CNT_ISO If this is provided, then will attempt to get the currency settings for the country.
158		* Otherwise will use currency settings for current active country on site.
159		* @return string
160		* @throws EE_Error
161		*/
162		public static function get_format_for_jqplot( $CNT_ISO = '') {
163		//default format
164		$format = 'f';
165		$currency_config = $currency_config = EEH_Money::get_currency_config($CNT_ISO);
166		//first get the decimal place and number of places
167		$format = "%'." . $currency_config->dec_plc . $format;
168		//currency symbol on right side.
169		$format = $currency_config->sign_b4 ? $currency_config->sign . $format : $format . $currency_config->sign;
170		return $format;
171		}
172
173
174
175		/**
176		* This returns a localized format string suitable for usage with the Google Charts API format param.
177		*
178		* @param string $CNT_ISO If this is provided, then will attempt to get the currency settings for the country.
179		* Otherwise will use currency settings for current active country on site.
180		* Note: GoogleCharts uses ICU pattern set
181		* (@see http://icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
182		* @return string
183		* @throws EE_Error
184		*/
185		public static function get_format_for_google_charts( $CNT_ISO = '' ) {
186		$currency_config = EEH_Money::get_currency_config($CNT_ISO);
187		$decimal_places_placeholder = str_pad( '', $currency_config->dec_plc, '0' );
188		//first get the decimal place and number of places
189		$format = '#,##0.' . $decimal_places_placeholder;
190
191		//currency symbol on right side.
192		$format = $currency_config->sign_b4 ? $currency_config->sign . $format : $format . $currency_config->sign;
193		$formatterObject = array(
194		'decimalSymbol' => $currency_config->dec_mrk,
195		'groupingSymbol' => $currency_config->thsnds,
196		'fractionDigits' => $currency_config->dec_plc,
197		);
198		if ( $currency_config->sign_b4 ) {
199		$formatterObject['prefix'] = $currency_config->sign;
200		} else {
201		$formatterObject['suffix'] = $currency_config->sign;
202		}
203		return array(
204		'format' => $format,
205		'formatterObject' => $formatterObject,
206		);
207		}
208
209
210
211		/**
212		* @param string $CNT_ISO
213		* @return EE_Currency_Config\|null
214		* @throws EE_Error
215		*/
216		public static function get_currency_config($CNT_ISO = '')
217		{
218		//if CNT_ISO passed lets try to get currency settings for it.
219		$currency_config = $CNT_ISO !== ''
220		? new EE_Currency_Config($CNT_ISO)
221		: null;
222		//default currency settings for site if not set
223	View Code Duplication	if (! $currency_config instanceof EE_Currency_Config) {
224		$currency_config = EE_Registry::instance()->CFG->currency instanceof EE_Currency_Config
225		? EE_Registry::instance()->CFG->currency
226		: new EE_Currency_Config();
227		}
228		return $currency_config;
229		}
230
231		} //end class EEH_Money
232

eventespresso / event-espresso-core

Branch — FET-10586-integer-input (41299b)

EEH_Money::compare_floats() C

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