refactor: replace custom CRM with Monica fork

app/Helpers/LocaleHelper.php

@@ -0,0 +1,210 @@
+<?php
+
+namespace App\Helpers;
+
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+use Matriphe\ISO639\ISO639;
+use function Safe\preg_match;
+use function Safe\preg_split;
+use Illuminate\Support\Facades\App;
+use libphonenumber\PhoneNumberUtil;
+use Illuminate\Support\Facades\Auth;
+use libphonenumber\PhoneNumberFormat;
+use libphonenumber\NumberParseException;
+
+class LocaleHelper
+{
+    private const LANG_SPLIT = '/(-|_)/';
+
+    /**
+     * Get the current or default locale.
+     *
+     * @return string
+     */
+    public static function getLocale()
+    {
+        if (Auth::check()) {
+            $locale = Auth::user()->locale;
+        } else {
+            $locale = app('language.detector')->detect() ?: config('app.locale');
+        }
+
+        return $locale;
+    }
+
+    /**
+     * Get the current lang from locale.
+     *
+     * @return string lang, lowercase form.
+     */
+    public static function getLang($locale = null)
+    {
+        if (is_null($locale)) {
+            $locale = App::getLocale();
+        }
+        if (preg_match(self::LANG_SPLIT, $locale)) {
+            $locale = preg_split(self::LANG_SPLIT, $locale, 2)[0];
+        }
+
+        return mb_strtolower($locale);
+    }
+
+    /**
+     * Get the current country from locale.
+     *
+     * @return string country, uppercase form.
+     */
+    public static function getCountry($locale = null)
+    {
+        $countryCode = self::extractCountry($locale);
+
+        if (is_null($countryCode)) {
+            $country = CountriesHelper::getCountryFromLocale($locale);
+            $countryCode = $country->getIsoAlpha2();
+        }
+
+        return mb_strtoupper($countryCode);
+    }
+
+    /**
+     * Extract the current country from locale, i.e. 'en-US' will return 'US'.
+     * If no country is present in the locale, it will return null.
+     *
+     * @return string|null country, uppercase form.
+     */
+    public static function extractCountry($locale = null): ?string
+    {
+        if (is_null($locale)) {
+            $locale = App::getLocale();
+        }
+        if (preg_match(self::LANG_SPLIT, $locale)) {
+            $locale = preg_split(self::LANG_SPLIT, $locale, 2)[1];
+
+            return mb_strtoupper($locale);
+        }
+
+        return null;
+    }
+
+    /**
+     * Get the list of avalaible languages.
+     *
+     * @return \Illuminate\Support\Collection
+     */
+    public static function getLocaleList()
+    {
+        return collect(config('lang-detector.languages'))->map(function (string $lang): array {
+            return [
+                'lang' => $lang,
+                'name' => self::getLocaleName($lang),
+                'name-orig' => self::getLocaleName($lang, $lang),
+            ];
+        });
+    }
+
+    /**
+     * Get the name of one language.
+     *
+     * @param  string  $lang
+     * @param  string  $locale
+     * @return string
+     */
+    private static function getLocaleName($lang, $locale = null): string
+    {
+        $name = trans('settings.locale_'.$lang, [], $locale);
+        if ($name == 'settings.locale_'.$lang) {
+            // The name of the new language is not already set, even in english
+            $name = $lang;
+        }
+
+        return (string) Str::of($name);
+    }
+
+    /**
+     * Get the direction: left to right/right to left.
+     *
+     * @return string
+     */
+    public static function getDirection()
+    {
+        $lang = self::getLang();
+        switch ($lang) {
+            // Source: https://meta.wikimedia.org/wiki/Template:List_of_language_names_ordered_by_code
+            case 'ar':
+            case 'arc':
+            case 'dv':
+            case 'fa':
+            case 'ha':
+            case 'he':
+            case 'khw':
+            case 'ks':
+            case 'ku':
+            case 'ps':
+            case 'ur':
+            case 'yi':
+                return 'rtl';
+            default:
+                return 'ltr';
+        }
+    }
+
+    /**
+     * Association ISO-639-1 => ISO-639-2.
+     *
+     * @var array<string,string>
+     */
+    private static $locales = [];
+
+    /**
+     * Get ISO-639-2/t (three-letter codes) from ISO-639-1 (two-letters code).
+     *
+     * @param  string  $locale
+     * @return string
+     */
+    public static function getLocaleAlpha($locale)
+    {
+        if (Arr::has(static::$locales, $locale)) {
+            return Arr::get(static::$locales, $locale);
+        }
+        $locale = mb_strtolower($locale);
+        $languages = (new ISO639)->allLanguages();
+        $lang = '';
+        foreach ($languages as $l) {
+            if ($l[0] == $locale) {
+                $lang = $l[1];
+                break;
+            }
+        }
+        static::$locales[$locale] = $lang;
+
+        return $lang;
+    }
+
+    /**
+     * Format phone number by country.
+     *
+     * @param  string  $tel
+     * @param  string|null  $iso
+     * @param  int  $format
+     * @return string
+     */
+    public static function formatTelephoneNumberByISO(string $tel, $iso, int $format = PhoneNumberFormat::INTERNATIONAL): string
+    {
+        if (empty($iso)) {
+            return $tel;
+        }
+
+        try {
+            $phoneUtil = PhoneNumberUtil::getInstance();
+
+            $phoneInstance = $phoneUtil->parse($tel, mb_strtoupper($iso));
+
+            $tel = $phoneUtil->format($phoneInstance, $format);
+        } catch (NumberParseException $e) {
+            // Do nothing if the number cannot be parsed successfully
+        }
+
+        return $tel;
+    }
+}