Locale::lookup() - Code Metrics - Inspection of "add typings to const php83" - zemit-cms/core - Measure and Improve Code Quality continuously with Scrutinizer

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by Julien

created 2024-11-02 20:57 UTC

Locale::lookup() B

↳ Parent: Project

Complexity

Conditions	10
Paths	17

Size

Total Lines	39
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	17
CRAP Score	10.017

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	10
eloc	17
c	1
b	0
f	0
nc	17
nop	4
dl	0
loc	39
ccs	17
cts	18
cp	0.9444
crap	10.017
rs	7.6666

How to fix Complexity

<?php

/**
 * This file is part of the Zemit Framework.
 *
 * (c) Zemit Team <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE.txt
 * file that was distributed with this source code.
 */

namespace Zemit;

use Zemit\Di\Injectable;
use Zemit\Support\Options\Options;
use Zemit\Support\Options\OptionsInterface;

/**
 * Allow to manage and lookup the locale for the localisation
 * @property string|null $locale The current locale
 */
class Locale extends Injectable implements OptionsInterface
{
    use Options;
    
    /**
     * Default (router only)
     */
    public const string MODE_DEFAULT = 'default';

    
    /**
     * Router
     */
    public const string MODE_ROUTE = 'route';
    
    /**
     * Router -> http
     */
    public const string MODE_HTTP = 'http';
    
    /**
     * Router -> session -> http
     */
    public const string MODE_SESSION = 'session';
    
    /**
     * Locale mode
     * Locale::MODE_DEFAULT 'default' (Router -> http)
     * Locale::MODE_SESSION 'session' (Router -> session -> http)
     */
    public string $mode = self::MODE_DEFAULT;
    
    /**
     * The actual locale that was picked
     * @var string|null
     */
    public ?string $locale = null;
    
    /**
     * Session key for storing the locale
     * @var string $sessionKey The session key for storing the locale.
     */
    public string $sessionKey = 'zemit-locale';
    
    /**
     * Default locale
     *
     * This variable holds the default locale value for the application.
     * If no locale is explicitly specified, this value will be used.
     *
     * @var string $default
     */
    public string $default = 'en';
    
    /**
     * Array of allowed languages.
     *
     * @var array $allowed An array of allowed languages.
     */
    public array $allowed = ['en'];
    
    /**
     * Initializes the object by setting its properties based on the provided options.
     *
     * This method retrieves the values of the sessionKey, allowed, default, and mode options using the getOption()
     * method. If these options are not provided, the default values specified in the class properties are used instead.
     *
     * It then sets the obtained values to the corresponding class properties using the appropriate setter methods,
     * namely setAllowed(), setDefault(), and setMode(). Additionally, it assigns the obtained sessionKey value directly
     * to the sessionKey property.
     *
     * Finally, the initialize() method prepares the default value by calling the prepare() method with the getDefault()
     * method as its parameter.
     *
     * @return void
     */
    public function initialize(): void
    {
        $this->sessionKey = $this->getOption('sessionKey', $this->sessionKey);
        $this->setAllowed($this->getOption('allowed', $this->allowed));
        $this->setDefault($this->getOption('default', $this->default));
        $this->setMode($this->getOption('mode', $this->mode));
        $this->prepare($this->getDefault());
    }
    
    /**
     * Alias of the getLocale() method
     */
    public function get(): ?string
    {
        return $this->getLocale();
    }
    
    /**
     * Retrieves the locale value of the object.
     *
     * This method returns the value of the locale property, which represents the current locale of the object.
     * The locale property is set using the setLocale() method or may be null if no locale is set.
     *
     * @return string|null The locale value of the object, or null if no locale is set.
     */
    public function getLocale(): ?string
    {
        return $this->locale;
    }
    
    /**
     * Set the current locale value
     */
    public function setLocale(?string $locale = null): void
    {
        $this->locale = $this->lookup($locale);
    }
    
    /**
     * Get the default locale
     */
    public function getDefault(): string
    {
        return $this->default;
    }
    
    /**
     * Set the default locale value
     */
    public function setDefault(string $locale): void
    {
        $this->default = $locale;
    }
    
    /**
     * Get the list of possible locale
     */
    public function getAllowed(): array
    {
        return $this->allowed;
    }
    
    /**
     * Set the allowed locale
     */
    public function setAllowed(array $allowed): void
    {
        $this->allowed = array_values(array_unique($allowed));
    }
    
    /**
     * Get the defined mode
     */
    public function getMode(): string
    {
        return $this->mode;
    }
    
    /**
     * Set the mode
     */
    public function setMode(string $mode): void
    {
        $this->mode = $mode;
    }
    
    /**
     * Prepare and set and return the locale based on the defined mode
     */
    public function prepare(?string $default = null): ?string
    {
        $locale = match ($this->mode) {
            self::MODE_SESSION =>
                $this->getFromRoute() ??
                $this->getFromSession() ??
                $this->getFromHttp() ??
                $default,
            self::MODE_HTTP =>
                $this->getFromRoute() ??
                $this->getFromHttp() ??
                $default,
            default =>
                $this->getFromRoute() ??
                $default,
        };
        
        $locale ??= $this->locale;
        $this->setLocale($locale);
        $this->saveIntoSession($locale);
        return $this->getLocale();
    }
    
    /**
     * Retrieves the locale from the route
     */
    public function getFromRoute(?string $default = null): ?string
    {
        return $this->lookup($this->router->getParams()['locale'] ?? $default);
    }
    
    /**
     * Retrieves the locale from the dispatcher
     */
    public function getFromDispatcher(?string $default = null): ?string
    {
        return $this->lookup($this->dispatcher->getParams()['locale'] ?? $default);
    }
    
    /**
     * Retrieves the locale from the session
     */
    public function getFromSession(?string $default = null): ?string
    {
        return $this->lookup($this->session->get($this->sessionKey, $default));
    }
    
    /**
     * Retrieves the locale from the request
     * of getBestLanguage() header
     * or HTTP_ACCEPT_LANGUAGE header
     */
    public function getFromHttp(?string $default = null): ?string
    {
        return
            $this->lookup($this->request->getBestLanguage()) ?:
            \Locale::acceptFromHttp($this->request->getHeader('HTTP_ACCEPT_LANGUAGE')) ?:
            $default;
    }
    
    /**
     * Save locale into session if mode contain session handling
     */
    public function saveIntoSession(?string $locale = null, bool $force = false): void
    {
        $locale ??= $this->getLocale();
        
        // save into session
        if ($force || $this->mode === self::MODE_SESSION) {
            $this->session->set($this->sessionKey, $locale);
        }
    }
    
    /**
     * @param string|null $locale The locale to use as the language range when matching.
     * @param array|null $allowed An array containing a list of language tags to compare to locale. Maximum 100 items allowed.
     * @param bool $canonicalize If true, the arguments will be converted to canonical form before matching.
     * @param string|null $default The locale to use if no match is found.
     * @return string|null The closest matching language tag or default value.
     */
    public function lookup(?string $locale = null, ?array $allowed = null, bool $canonicalize = false, ?string $default = null): ?string
    {
        if (is_null($locale)) {
            return null;
        }
        
        $allowed ??= $this->getAllowed();
        
        // lookup first
        $lookup = \Locale::lookup($allowed, $locale, $canonicalize, $default);
        
        // base locale found without the region
        $force = false;
        if (isset($lookup) && ($locale === $lookup || strlen($lookup) === 2)) {
            $locale = $lookup;
            $force = true;
        }
        
        // lookup for the first configured region based on the locale without region
        if (empty($lookup) || $force) {
            
            // matches all the possible regions from the locale
            $matches = array_filter($allowed, function ($haystack) use ($locale) {
                $needle = $locale . '_';
                return stripos($haystack, $needle) === 0;
            });
            
            // some matches
            if (count($matches)) {
                // lookup again with the first match
                $lookup = \Locale::lookup($matches, array_shift($matches), $canonicalize, $default);
            }
            else {
                // otherwise keep the lookup if set or set the default if not
                $lookup = empty($lookup) ? $default : $lookup;
            }
        }
        
        return empty($lookup) ? null : $lookup;
    }
}


1		<?php
2
3		/**
4		* This file is part of the Zemit Framework.
5		*
6		* (c) Zemit Team <[email protected]>
7		*
8		* For the full copyright and license information, please view the LICENSE.txt
9		* file that was distributed with this source code.
10		*/
11
12		namespace Zemit;
13
14		use Zemit\Di\Injectable;
15		use Zemit\Support\Options\Options;
16		use Zemit\Support\Options\OptionsInterface;
17
18		/**
19		* Allow to manage and lookup the locale for the localisation
20		* @property string\|null $locale The current locale
21		*/
22		class Locale extends Injectable implements OptionsInterface
23		{
24		use Options;
25
26		/**
27		* Default (router only)
28		*/
29		public const string MODE_DEFAULT = 'default';
		0 ignored issues – show Bug introduced 2024-11-02 21:03 UTC by Report Bug Copy Issue Report A parse error occurred: Syntax error, unexpected T_STRING, expecting '=' on line 29 at column 24 Loading history...
30
31		/**
32		* Router
33		*/
34		public const string MODE_ROUTE = 'route';
35
36		/**
37		* Router -> http
38		*/
39		public const string MODE_HTTP = 'http';
40
41		/**
42		* Router -> session -> http
43		*/
44		public const string MODE_SESSION = 'session';
45
46		/**
47		* Locale mode
48		* Locale::MODE_DEFAULT 'default' (Router -> http)
49		* Locale::MODE_SESSION 'session' (Router -> session -> http)
50		*/
51		public string $mode = self::MODE_DEFAULT;
52
53		/**
54		* The actual locale that was picked
55		* @var string\|null
56		*/
57		public ?string $locale = null;
58
59		/**
60		* Session key for storing the locale
61		* @var string $sessionKey The session key for storing the locale.
62		*/
63		public string $sessionKey = 'zemit-locale';
64
65		/**
66		* Default locale
67		*
68		* This variable holds the default locale value for the application.
69		* If no locale is explicitly specified, this value will be used.
70		*
71		* @var string $default
72		*/
73		public string $default = 'en';
74
75		/**
76		* Array of allowed languages.
77		*
78		* @var array $allowed An array of allowed languages.
79		*/
80		public array $allowed = ['en'];
81
82		/**
83		* Initializes the object by setting its properties based on the provided options.
84		*
85		* This method retrieves the values of the sessionKey, allowed, default, and mode options using the getOption()
86		* method. If these options are not provided, the default values specified in the class properties are used instead.
87		*
88		* It then sets the obtained values to the corresponding class properties using the appropriate setter methods,
89		* namely setAllowed(), setDefault(), and setMode(). Additionally, it assigns the obtained sessionKey value directly
90		* to the sessionKey property.
91		*
92		* Finally, the initialize() method prepares the default value by calling the prepare() method with the getDefault()
93		* method as its parameter.
94		*
95		* @return void
96		*/
97	21	public function initialize(): void
98		{
99	21	$this->sessionKey = $this->getOption('sessionKey', $this->sessionKey);
100	21	$this->setAllowed($this->getOption('allowed', $this->allowed));
101	21	$this->setDefault($this->getOption('default', $this->default));
102	21	$this->setMode($this->getOption('mode', $this->mode));
103	21	$this->prepare($this->getDefault());
104		}
105
106		/**
107		* Alias of the getLocale() method
108		*/
109	3	public function get(): ?string
110		{
111	3	return $this->getLocale();
112		}
113
114		/**
115		* Retrieves the locale value of the object.
116		*
117		* This method returns the value of the locale property, which represents the current locale of the object.
118		* The locale property is set using the setLocale() method or may be null if no locale is set.
119		*
120		* @return string\|null The locale value of the object, or null if no locale is set.
121		*/
122	21	public function getLocale(): ?string
123		{
124	21	return $this->locale;
125		}
126
127		/**
128		* Set the current locale value
129		*/
130	21	public function setLocale(?string $locale = null): void
131		{
132	21	$this->locale = $this->lookup($locale);
133		}
134
135		/**
136		* Get the default locale
137		*/
138	21	public function getDefault(): string
139		{
140	21	return $this->default;
141		}
142
143		/**
144		* Set the default locale value
145		*/
146	21	public function setDefault(string $locale): void
147		{
148	21	$this->default = $locale;
149		}
150
151		/**
152		* Get the list of possible locale
153		*/
154	21	public function getAllowed(): array
155		{
156	21	return $this->allowed;
157		}
158
159		/**
160		* Set the allowed locale
161		*/
162	21	public function setAllowed(array $allowed): void
163		{
164	21	$this->allowed = array_values(array_unique($allowed));
165		}
166
167		/**
168		* Get the defined mode
169		*/
170	1	public function getMode(): string
171		{
172	1	return $this->mode;
173		}
174
175		/**
176		* Set the mode
177		*/
178	21	public function setMode(string $mode): void
179		{
180	21	$this->mode = $mode;
181		}
182
183		/**
184		* Prepare and set and return the locale based on the defined mode
185		*/
186	21	public function prepare(?string $default = null): ?string
187		{
188	21	$locale = match ($this->mode) {
189	21	self::MODE_SESSION =>
190	1	$this->getFromRoute() ??
191	1	$this->getFromSession() ??
192	1	$this->getFromHttp() ??
193	1	$default,
194	21	self::MODE_HTTP =>
195	1	$this->getFromRoute() ??
196	1	$this->getFromHttp() ??
197	1	$default,
198	21	default =>
199	21	$this->getFromRoute() ??
200	21	$default,
201	21	};
202
203	21	$locale ??= $this->locale;
204	21	$this->setLocale($locale);
205	21	$this->saveIntoSession($locale);
206	21	return $this->getLocale();
207		}
208
209		/**
210		* Retrieves the locale from the route
211		*/
212	21	public function getFromRoute(?string $default = null): ?string
213		{
214	21	return $this->lookup($this->router->getParams()['locale'] ?? $default);
215		}
216
217		/**
218		* Retrieves the locale from the dispatcher
219		*/
220		public function getFromDispatcher(?string $default = null): ?string
221		{
222		return $this->lookup($this->dispatcher->getParams()['locale'] ?? $default);
223		}
224
225		/**
226		* Retrieves the locale from the session
227		*/
228	2	public function getFromSession(?string $default = null): ?string
229		{
230	2	return $this->lookup($this->session->get($this->sessionKey, $default));
231		}
232
233		/**
234		* Retrieves the locale from the request
235		* of getBestLanguage() header
236		* or HTTP_ACCEPT_LANGUAGE header
237		*/
238	3	public function getFromHttp(?string $default = null): ?string
239		{
240	3	return
241	3	$this->lookup($this->request->getBestLanguage()) ?:
242	3	\Locale::acceptFromHttp($this->request->getHeader('HTTP_ACCEPT_LANGUAGE')) ?:
243	3	$default;
244		}
245
246		/**
247		* Save locale into session if mode contain session handling
248		*/
249	21	public function saveIntoSession(?string $locale = null, bool $force = false): void
250		{
251	21	$locale ??= $this->getLocale();
252
253		// save into session
254	21	if ($force \|\| $this->mode === self::MODE_SESSION) {
255	2	$this->session->set($this->sessionKey, $locale);
256		}
257		}
258
259		/**
260		* @param string\|null $locale The locale to use as the language range when matching.
261		* @param array\|null $allowed An array containing a list of language tags to compare to locale. Maximum 100 items allowed.
262		* @param bool $canonicalize If true, the arguments will be converted to canonical form before matching.
263		* @param string\|null $default The locale to use if no match is found.
264		* @return string\|null The closest matching language tag or default value.
265		*/
266	21	public function lookup(?string $locale = null, ?array $allowed = null, bool $canonicalize = false, ?string $default = null): ?string
267		{
268	21	if (is_null($locale)) {
269	21	return null;
270		}
271
272	21	$allowed ??= $this->getAllowed();
273
274		// lookup first
275	21	$lookup = \Locale::lookup($allowed, $locale, $canonicalize, $default);
276
277		// base locale found without the region
278	21	$force = false;
279	21	if (isset($lookup) && ($locale === $lookup \|\| strlen($lookup) === 2)) {
280	21	$locale = $lookup;
281	21	$force = true;
282		}
283
284		// lookup for the first configured region based on the locale without region
285	21	if (empty($lookup) \|\| $force) {
286
287		// matches all the possible regions from the locale
288	21	$matches = array_filter($allowed, function ($haystack) use ($locale) {
289	21	$needle = $locale . '_';
290	21	return stripos($haystack, $needle) === 0;
291	21	});
292
293		// some matches
294	21	if (count($matches)) {
295		// lookup again with the first match
296		$lookup = \Locale::lookup($matches, array_shift($matches), $canonicalize, $default);
297		}
298		else {
299		// otherwise keep the lookup if set or set the default if not
300	21	$lookup = empty($lookup) ? $default : $lookup;
301		}
302		}
303
304	21	return empty($lookup) ? null : $lookup;
305		}
306		}
307

zemit-cms / core

Push — master ( 4b3582...7f619e )

Locale::lookup() B

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