LangHelper::getApplicationLanguages() - Code Metrics - lekoala/silverstripe-multilingual - Measure and Improve Code Quality continuously with Scrutinizer

LangHelper::getApplicationLanguages() A
last analyzed 2025-05-27 13:39 UTC

↳ Parent: LangHelper

Complexity

Conditions	3
Paths	3

Size

Total Lines	14
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
cc	3
eloc	9
c	1
b	1
f	0
nc	3
nop	0
dl	0
loc	14
rs	9.9666

<?php

namespace LeKoala\Multilingual;

use Exception;
use SilverStripe\Control\Controller;
use SilverStripe\i18n\i18n;
use SilverStripe\Control\Cookie;
use SilverStripe\Control\Session;
use SilverStripe\Control\Director;
use TractorCow\Fluent\Model\Locale;
filter:
    dependency_paths: ["lib/*"]
use TractorCow\Fluent\State\FluentState;
filter:
    dependency_paths: ["lib/*"]
use SilverStripe\Core\Config\Configurable;

/**
 * i18n helper class
 */
class LangHelper
{
    use Configurable;

    /**
     * The default key for global translation
     */
    const GLOBAL_ENTITY = 'Global';

    /**
     * Provision fluent locales defined in yml
     * Use LangHelper::provisionLocales
     *
     * eg:
     * LeKoala\Multilingual\LangHelper:
     *   default_locales:
     *     - en_US
     *     - fr_FR
     *
     * @var array<string>
     */
    private static $default_locales = [];

    /**
     * @config
     * @var boolean
     */
    private static $persist_cookie = true;

    /**
     * @var array<string,string>
     */
    protected static $locale_cache = [];

    /**
     * Get a global translation
     *
     * By default all global translation are stored under the Global key
     *
     * @param string $entity If no entity is specified, Global is assumed
     * @return string
     */
    public static function globalTranslation(string $entity): string
    {
        $parts = explode('.', $entity);
        if (count($parts) == 1) {
            array_unshift($parts, self::GLOBAL_ENTITY);
        }
        return i18n::_t(implode('.', $parts), $entity);
    }

    public static function hasFluent(): bool
    {
        return class_exists('\\TractorCow\\Fluent\\Middleware\\DetectLocaleMiddleware');
    }

    /**
     * Call this to make sure we are not setting any cookies that has
     * not been accepted
     */
    public static function persistLocaleIfCookiesAreAllowed(): void
    {
        if (headers_sent()) {
            return;
        }

        if (!self::hasFluent()) {
            return;
        }

        $persist = static::config()->persist_cookie;
        if (!$persist) {
            return;
        }

        // If we choose to persist cookies, we should check our cookie consent first
        $dont_persist = $persist;
        // cookie consent from osano
        $status = Cookie::get('cookieconsent_status') ?? '';
        if (strlen($status) && $status == 'allow') {
            $dont_persist = false;
        }
        // cookie from cookieconsent
        $status = Cookie::get('cookie_consent_user_accepted') ?? '';
        if (strlen($status) && $status == 'true') {
            $dont_persist = false;
        }

        if ($dont_persist) {
            return;
        }

        self::persistLocale();
    }

    public static function getLanguageName($locale, $short = true)
    {
        $locale = self::get_locale_from_lang($locale);

        $allLocales = i18n::getSources()->getKnownLocales();

        $foundLocale = $allLocales[$locale] ?? null;
        if ($foundLocale && $short) {
            $foundLocale = preg_replace('/\s*\(.*?\)/', '', $foundLocale);
            $foundLocale = ucfirst(trim($foundLocale));
        }
        return $foundLocale;
    }

    /**
     * Persist locale according to fluent settings
     */
    public static function persistLocale(): void
    {
        if (!self::hasFluent()) {
            return;
        }

        $curr = Controller::curr();
        $request = $curr->getRequest();

        $secure = Director::is_https($request)
            && Session::config()->get('cookie_secure');

        $class = \TractorCow\Fluent\Middleware\DetectLocaleMiddleware::class;
filter:
    dependency_paths: ["lib/*"]
        $persistIds = $class::config()->get('persist_ids');
        $persistKey = FluentState::singleton()->getIsFrontend()
            ? $persistIds['frontend']
            : $persistIds['cms'];

        $locale = $request->getSession()->get($persistKey);
        // If session is not started or set, it may not be set
        if (!$locale) {
            $locale = self::get_locale();
        }

        Cookie::set(
            $persistKey,
            $locale,
            $class::config()->get('persist_cookie_expiry'),
            $class::config()->get('persist_cookie_path'),
            $class::config()->get('persist_cookie_domain'),
            $secure,
            $class::config()->get('persist_cookie_http_only')
        );
    }

    /**
     * Provision locales defined in default_locales
     *
     * @return void
     */
    public static function provisionLocales()
    {
        $locales = self::config()->default_locales;
        if (empty($locales)) {
            throw new Exception("No locales defined in LangHelper:default_locales");
        }

        foreach ($locales as $loc) {
            $Locale = Locale::get()->filter('Locale', $loc)->first();
            $allLocales = i18n::getData()->getLocales();
            if (!$Locale) {
                $Locale = new Locale();
                $Locale->Title = $allLocales[$loc];
                $Locale->Locale = $loc;
                $Locale->URLSegment = self::get_lang($loc);
                $Locale->IsGlobalDefault = $loc == i18n::get_locale();
                $Locale->write();
            }
        }
    }

    /**
     * Make sure we get a proper two characters lang
     *
     * @param string|object $lang a string or a fluent locale object
     * @return string a two chars lang
     */
    public static function get_lang($lang = null)
    {
        if (!$lang) {
            $lang = self::get_locale();
        }
        if (is_object($lang)) {
            $lang = $lang->Locale;
        }
        return substr($lang, 0, 2);
    }

    /**
     * Get the right locale (using fluent data if exists)
     *
     * @return string
     */
    public static function get_locale()
    {
        if (class_exists(FluentState::class)) {
            $locale = FluentState::singleton()->getLocale();
            // Locale may not be set, in tests for instance
            if ($locale) {
                return $locale;
            }
        }
        return i18n::get_locale();
    }

    /**
     * Get a locale from the lang
     *
     * @param string $lang
     * @return string
     */
    public static function get_locale_from_lang($lang)
    {
        // Use cache
        if (isset(self::$locale_cache[$lang])) {
            return self::$locale_cache[$lang];
        }
        // Use fluent data
        if (class_exists(Locale::class)) {
            if (empty(self::$locale_cache)) {
                $fluentLocales = Locale::getLocales();
                foreach ($fluentLocales as $locale) {
                    self::$locale_cache[self::get_lang($locale->Locale)] = $locale->Locale;
                }
            }
        }
        // Use i18n data
        if (!isset(self::$locale_cache[$lang])) {
            $localesData = i18n::getData();
            self::$locale_cache[$lang] = $localesData->localeFromLang($lang);
        }
        // Return cached value
        return self::$locale_cache[$lang];
    }

    /**
     * Do we have the subsite module installed
     * TODO: check if it might be better to use module manifest instead?
     *
     * @return bool
     */
    public static function usesFluent()
    {
        return class_exists(FluentState::class);
    }

    /**
     * @return array<string>
     */
    public static function get_available_langs()
    {
        if (!self::usesFluent()) {
            return [
                self::get_lang()
            ];
        }

        $allLocales = Locale::get();
        $results = [];
        foreach ($allLocales as $locale) {
            $results[] = $locale->URLSegment;
        }
        return $results;
    }

    /**
     * Execute the callback in given subsite
     *
     * @param string $locale
     * @param callable $cb
     * @return mixed the callback result
     */
    public static function withLocale($locale, $cb)
    {
        if (!self::usesFluent() || !$locale) {
            $cb();
            return;
        }
        if (!is_string($locale)) {

            $locale = $locale->Locale;
        }
        $state = FluentState::singleton();
        // @link https://github.com/tractorcow-farm/silverstripe-fluent/issues/327
        $currentLocale = i18n::get_locale();
        i18n::set_locale(FluentState::singleton()->getLocale());
        $result = $state->withState(function ($state) use ($locale, $cb) {
            $state->setLocale($locale);
            return $cb();
        });
        i18n::set_locale($currentLocale);
        return $result;
    }

    /**
     * Execute the callback for all locales
     *
     * @param callable $cb
     * @return array an array of callback results
     */
    public static function withLocales($cb)
    {
        if (!self::usesFluent()) {
            $cb();
            return [];
        }
        $allLocales = Locale::get();
        $results = [];
        foreach ($allLocales as $locale) {
            $results[] = self::withLocale($locale, $cb);
        }
        return $results;
    }

    /**
     * Convert a locale title to a simple lang name
     * @param string $locale
     * @return string
     */
    public static function localeToLang(string $locale): string
    {
        // Remove parenthesis
        $cleanedLocale = preg_replace('/\s*\(.*?\)/', '', $locale);
        // First letter should be uppercased for consistency
        $cleanedLocale = mb_ucfirst(trim($cleanedLocale));
        return $cleanedLocale;
    }

    /**
     * Get all fluent locales
     * @return array
     */
    public static function getApplicationLanguages(): array
    {
        if (!self::usesFluent()) {
            $title = i18n::getData()->languageName(i18n::get_locale());
            return [
                i18n::get_locale() => self::localeToLang($title)
            ];
        }
        $locales = Locale::get();
        $arr = [];
        foreach ($locales as $loc) {
            $arr[$loc->Locale] = self::localeToLang($loc->getTitle());
        }
        return $arr;
    }
}


1			<?php
2
3			namespace LeKoala\Multilingual;
4
5			use Exception;
6			use SilverStripe\Control\Controller;
7			use SilverStripe\i18n\i18n;
8			use SilverStripe\Control\Cookie;
9			use SilverStripe\Control\Session;
10			use SilverStripe\Control\Director;
11			use TractorCow\Fluent\Model\Locale;
			0 ignored issues – show Bug introduced 2021-01-06 15:16 UTC by Report Bug Copy Issue Report The type `TractorCow\Fluent\Model\Locale` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
12			use TractorCow\Fluent\State\FluentState;
			0 ignored issues – show Bug introduced 2021-01-06 15:16 UTC by Report Bug Copy Issue Report The type `TractorCow\Fluent\State\FluentState` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
13			use SilverStripe\Core\Config\Configurable;
14
15			/**
16			* i18n helper class
17			*/
18			class LangHelper
19			{
20			use Configurable;
21
22			/**
23			* The default key for global translation
24			*/
25			const GLOBAL_ENTITY = 'Global';
26
27			/**
28			* Provision fluent locales defined in yml
29			* Use LangHelper::provisionLocales
30			*
31			* eg:
32			* LeKoala\Multilingual\LangHelper:
33			* default_locales:
34			* - en_US
35			* - fr_FR
36			*
37			* @var array<string>
38			*/
39			private static $default_locales = [];
40
41			/**
42			* @config
43			* @var boolean
44			*/
45			private static $persist_cookie = true;
46
47			/**
48			* @var array<string,string>
49			*/
50			protected static $locale_cache = [];
51
52			/**
53			* Get a global translation
54			*
55			* By default all global translation are stored under the Global key
56			*
57			* @param string $entity If no entity is specified, Global is assumed
58			* @return string
59			*/
60			public static function globalTranslation(string $entity): string
61			{
62			$parts = explode('.', $entity);
63			if (count($parts) == 1) {
64			array_unshift($parts, self::GLOBAL_ENTITY);
65			}
66			return i18n::_t(implode('.', $parts), $entity);
67			}
68
69			public static function hasFluent(): bool
70			{
71			return class_exists('\\TractorCow\\Fluent\\Middleware\\DetectLocaleMiddleware');
72			}
73
74			/**
75			* Call this to make sure we are not setting any cookies that has
76			* not been accepted
77			*/
78			public static function persistLocaleIfCookiesAreAllowed(): void
79			{
80			if (headers_sent()) {
81			return;
82			}
83
84			if (!self::hasFluent()) {
85			return;
86			}
87
88			$persist = static::config()->persist_cookie;
89			if (!$persist) {
90			return;
91			}
92
93			// If we choose to persist cookies, we should check our cookie consent first
94			$dont_persist = $persist;
95			// cookie consent from osano
96			$status = Cookie::get('cookieconsent_status') ?? '';
97			if (strlen($status) && $status == 'allow') {
98			$dont_persist = false;
99			}
100			// cookie from cookieconsent
101			$status = Cookie::get('cookie_consent_user_accepted') ?? '';
102			if (strlen($status) && $status == 'true') {
103			$dont_persist = false;
104			}
105
106			if ($dont_persist) {
107			return;
108			}
109
110			self::persistLocale();
111			}
112
113			public static function getLanguageName($locale, $short = true)
114			{
115			$locale = self::get_locale_from_lang($locale);
116
117			$allLocales = i18n::getSources()->getKnownLocales();
118
119			$foundLocale = $allLocales[$locale] ?? null;
120			if ($foundLocale && $short) {
121			$foundLocale = preg_replace('/\s\(.?\)/', '', $foundLocale);
122			$foundLocale = ucfirst(trim($foundLocale));
123			}
124			return $foundLocale;
125			}
126
127			/**
128			* Persist locale according to fluent settings
129			*/
130			public static function persistLocale(): void
131			{
132			if (!self::hasFluent()) {
133			return;
134			}
135
136			$curr = Controller::curr();
137			$request = $curr->getRequest();
138
139			$secure = Director::is_https($request)
140			&& Session::config()->get('cookie_secure');
141
142			$class = \TractorCow\Fluent\Middleware\DetectLocaleMiddleware::class;
			0 ignored issues – show Bug introduced 2021-02-08 12:07 UTC by Report Bug Copy Issue Report The type `TractorCow\Fluent\Middle...\DetectLocaleMiddleware` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
143			$persistIds = $class::config()->get('persist_ids');
144			$persistKey = FluentState::singleton()->getIsFrontend()
145			? $persistIds['frontend']
146			: $persistIds['cms'];
147
148			$locale = $request->getSession()->get($persistKey);
149			// If session is not started or set, it may not be set
150			if (!$locale) {
151			$locale = self::get_locale();
152			}
153
154			Cookie::set(
155			$persistKey,
156			$locale,
157			$class::config()->get('persist_cookie_expiry'),
158			$class::config()->get('persist_cookie_path'),
159			$class::config()->get('persist_cookie_domain'),
160			$secure,
161			$class::config()->get('persist_cookie_http_only')
162			);
163			}
164
165			/**
166			* Provision locales defined in default_locales
167			*
168			* @return void
169			*/
170			public static function provisionLocales()
171			{
172			$locales = self::config()->default_locales;
173			if (empty($locales)) {
174			throw new Exception("No locales defined in LangHelper:default_locales");
175			}
176
177			foreach ($locales as $loc) {
178			$Locale = Locale::get()->filter('Locale', $loc)->first();
179			$allLocales = i18n::getData()->getLocales();
180			if (!$Locale) {
181			$Locale = new Locale();
182			$Locale->Title = $allLocales[$loc];
183			$Locale->Locale = $loc;
184			$Locale->URLSegment = self::get_lang($loc);
185			$Locale->IsGlobalDefault = $loc == i18n::get_locale();
186			$Locale->write();
187			}
188			}
189			}
190
191			/**
192			* Make sure we get a proper two characters lang
193			*
194			* @param string\|object $lang a string or a fluent locale object
195			* @return string a two chars lang
196			*/
197			public static function get_lang($lang = null)
198			{
199			if (!$lang) {
200			$lang = self::get_locale();
201			}
202			if (is_object($lang)) {
203			$lang = $lang->Locale;
204			}
205			return substr($lang, 0, 2);
206			}
207
208			/**
209			* Get the right locale (using fluent data if exists)
210			*
211			* @return string
212			*/
213			public static function get_locale()
214			{
215			if (class_exists(FluentState::class)) {
216			$locale = FluentState::singleton()->getLocale();
217			// Locale may not be set, in tests for instance
218			if ($locale) {
219			return $locale;
220			}
221			}
222			return i18n::get_locale();
223			}
224
225			/**
226			* Get a locale from the lang
227			*
228			* @param string $lang
229			* @return string
230			*/
231			public static function get_locale_from_lang($lang)
232			{
233			// Use cache
234			if (isset(self::$locale_cache[$lang])) {
235			return self::$locale_cache[$lang];
236			}
237			// Use fluent data
238			if (class_exists(Locale::class)) {
239			if (empty(self::$locale_cache)) {
240			$fluentLocales = Locale::getLocales();
241			foreach ($fluentLocales as $locale) {
242			self::$locale_cache[self::get_lang($locale->Locale)] = $locale->Locale;
243			}
244			}
245			}
246			// Use i18n data
247			if (!isset(self::$locale_cache[$lang])) {
248			$localesData = i18n::getData();
249			self::$locale_cache[$lang] = $localesData->localeFromLang($lang);
250			}
251			// Return cached value
252			return self::$locale_cache[$lang];
253			}
254
255			/**
256			* Do we have the subsite module installed
257			* TODO: check if it might be better to use module manifest instead?
258			*
259			* @return bool
260			*/
261			public static function usesFluent()
262			{
263			return class_exists(FluentState::class);
264			}
265
266			/**
267			* @return array<string>
268			*/
269			public static function get_available_langs()
270			{
271			if (!self::usesFluent()) {
272			return [
273			self::get_lang()
274			];
275			}
276
277			$allLocales = Locale::get();
278			$results = [];
279			foreach ($allLocales as $locale) {
280			$results[] = $locale->URLSegment;
281			}
282			return $results;
283			}
284
285			/**
286			* Execute the callback in given subsite
287			*
288			* @param string $locale
289			* @param callable $cb
290			* @return mixed the callback result
291			*/
292			public static function withLocale($locale, $cb)
293			{
294			if (!self::usesFluent() \|\| !$locale) {
295			$cb();
296			return;
297			}
298			if (!is_string($locale)) {
			0 ignored issues – show introduced 2021-01-06 15:16 UTC by Report Bug Copy Issue Report The condition `is_string($locale)` is always `true`. Loading history...
299			$locale = $locale->Locale;
300			}
301			$state = FluentState::singleton();
302			// @link https://github.com/tractorcow-farm/silverstripe-fluent/issues/327
303			$currentLocale = i18n::get_locale();
304			i18n::set_locale(FluentState::singleton()->getLocale());
305			$result = $state->withState(function ($state) use ($locale, $cb) {
306			$state->setLocale($locale);
307			return $cb();
308			});
309			i18n::set_locale($currentLocale);
310			return $result;
311			}
312
313			/**
314			* Execute the callback for all locales
315			*
316			* @param callable $cb
317			* @return array an array of callback results
318			*/
319			public static function withLocales($cb)
320			{
321			if (!self::usesFluent()) {
322			$cb();
323			return [];
324			}
325			$allLocales = Locale::get();
326			$results = [];
327			foreach ($allLocales as $locale) {
328			$results[] = self::withLocale($locale, $cb);
329			}
330			return $results;
331			}
332
333			/**
334			* Convert a locale title to a simple lang name
335			* @param string $locale
336			* @return string
337			*/
338			public static function localeToLang(string $locale): string
339			{
340			// Remove parenthesis
341			$cleanedLocale = preg_replace('/\s\(.?\)/', '', $locale);
342			// First letter should be uppercased for consistency
343			$cleanedLocale = mb_ucfirst(trim($cleanedLocale));
344			return $cleanedLocale;
345			}
346
347			/**
348			* Get all fluent locales
349			* @return array
350			*/
351			public static function getApplicationLanguages(): array
352			{
353			if (!self::usesFluent()) {
354			$title = i18n::getData()->languageName(i18n::get_locale());
355			return [
356			i18n::get_locale() => self::localeToLang($title)
357			];
358			}
359			$locales = Locale::get();
360			$arr = [];
361			foreach ($locales as $loc) {
362			$arr[$loc->Locale] = self::localeToLang($loc->getTitle());
363			}
364			return $arr;
365			}
366			}
367

lekoala / silverstripe-multilingual

LangHelper::getApplicationLanguages() A last analyzed 2025-05-27 13:39 UTC

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LangHelper::getApplicationLanguages() A
last analyzed 2025-05-27 13:39 UTC