triv(service): add custom transliterate fallback if php intl not enab… (#3)

* triv(service): add custom transliterate fallback if php intl not enabled in env

* triv: improve performance of new transliterate map

Author: luboSB-47

lib/RaiAcceptService.php

@@ -11,12 +11,82 @@ class RaiAcceptService
     public const STATUS_CANCELED = "CANCELED";
     public const STATUS_ABANDONED = "ABANDONED";
 
+    /**
+     * Transliteration map for non-Latin characters to Latin equivalents
+     * Initialized once when class is loaded for optimal performance
+     */
+    private static array $transliterationMap = [
+        // Greek
+        'Α'=>'A','α'=>'a','Β'=>'B','β'=>'b','Γ'=>'G','γ'=>'g','Δ'=>'D','δ'=>'d',
+        'Ε'=>'E','ε'=>'e','Ζ'=>'Z','ζ'=>'z','Η'=>'E','η'=>'e','Θ'=>'Th','θ'=>'th',
+        'Ι'=>'I','ι'=>'i','Κ'=>'K','κ'=>'k','Λ'=>'L','λ'=>'l','Μ'=>'M','μ'=>'m',
+        'Ν'=>'N','ν'=>'n','Ξ'=>'X','ξ'=>'x','Ο'=>'O','ο'=>'o','Π'=>'P','π'=>'p',
+        'Ρ'=>'R','ρ'=>'r','Σ'=>'S','σ'=>'s','ς'=>'s','Τ'=>'T','τ'=>'t','Υ'=>'Y','υ'=>'y',
+        'Φ'=>'Ph','φ'=>'ph','Χ'=>'Ch','χ'=>'ch','Ψ'=>'Ps','ψ'=>'ps','Ω'=>'O','ω'=>'o',
+
+        // Arabic (basic mapping for common names)
+        'ا'=>'a','ب'=>'b','ت'=>'t','ث'=>'th','ج'=>'j','ح'=>'h','خ'=>'kh','د'=>'d',
+        'ذ'=>'dh','ر'=>'r','ز'=>'z','س'=>'s','ش'=>'sh','ص'=>'s','ض'=>'d','ط'=>'t',
+        'ظ'=>'z','ع'=>'a','غ'=>'gh','ف'=>'f','ق'=>'q','ك'=>'k','ل'=>'l','م'=>'m',
+        'ن'=>'n','ه'=>'h','و'=>'w','ي'=>'y','ء'=>'','آ'=>'a','أ'=>'a','إ'=>'i',
+        'ى'=>'a','ة'=>'h',
+
+        // Hebrew
+        'א'=>'','ב'=>'b','ג'=>'g','ד'=>'d','ה'=>'h','ו'=>'v','ז'=>'z','ח'=>'ch',
+        'ט'=>'t','י'=>'y','כ'=>'k','ך'=>'k','ל'=>'l','מ'=>'m','ם'=>'m','נ'=>'n',
+        'ן'=>'n','ס'=>'s','ע'=>'','פ'=>'p','ף'=>'p','צ'=>'ts','ץ'=>'ts','ק'=>'k',
+        'ר'=>'r','ש'=>'sh','ת'=>'t',
+
+        // Cyrillic
+        'А'=>'A','а'=>'a','Б'=>'B','б'=>'b','В'=>'V','в'=>'v','Г'=>'G','г'=>'g',
+        'Д'=>'D','д'=>'d','Е'=>'E','е'=>'e','Ё'=>'E','ё'=>'e','Ж'=>'Z','ж'=>'z',
+        'З'=>'Z','з'=>'z','И'=>'I','и'=>'i','Й'=>'J','й'=>'j','К'=>'K','к'=>'k',
+        'Л'=>'L','л'=>'l','М'=>'M','м'=>'m','Н'=>'N','н'=>'n','О'=>'O','о'=>'o',
+        'П'=>'P','п'=>'p','Р'=>'R','р'=>'r','С'=>'S','с'=>'s','Т'=>'T','т'=>'t',
+        'У'=>'U','у'=>'u','Ф'=>'F','ф'=>'f','Х'=>'H','х'=>'h','Ц'=>'C','ц'=>'c',
+        'Ч'=>'Ch','ч'=>'ch','Ш'=>'Sh','ш'=>'sh','Щ'=>'Sch','щ'=>'sch','Ъ'=>'','ъ'=>'',
+        'Ы'=>'Y','ы'=>'y','Ь'=>'','ь'=>'','Э'=>'E','э'=>'e','Ю'=>'Yu','ю'=>'yu',
+        'Я'=>'Ya','я'=>'ya',
+
+        // Ukrainian
+        'Є'=>'Ye','є'=>'ye','І'=>'I','і'=>'i','Ї'=>'Yi','ї'=>'yi','Ґ'=>'G','ґ'=>'g',
+
+        // Belarusian
+        'Ў'=>'U','ў'=>'u',
+
+        // Serbian / Macedonian extras
+        'Ђ'=>'Dj','ђ'=>'dj','Љ'=>'Lj','љ'=>'lj','Њ'=>'Nj','њ'=>'nj','Ћ'=>'C','ћ'=>'c',
+        'Џ'=>'Dz','џ'=>'dz',
+    ];
+
     public static function transliterate(string $string)
     {
-        $string = transliterator_transliterate('Any-Latin; Latin-ASCII', $string);
-        return $string;
+	    if (function_exists('transliterator_transliterate')) {
+		    $out = transliterator_transliterate('Any-Latin', $string);
+		    if (is_string($out)) {
+			    return $out;
+		    }
+	    }
+
+	    $string = self::transliterateNonLatinFallback($string);
+	    $string = preg_replace('/[^\p{Latin}\p{N}\s\.\,\-\'\/@]/u', '', $string) ?? $string;
+
+	    // 4) Normalize whitespace
+	    $string = preg_replace('/\s+/u', ' ', $string) ?? $string;
+
+	    return trim($string);
     }
 
+	private static function transliterateNonLatinFallback(string $s): string
+	{
+		// Early return for strings that only contain Latin characters and common punctuation
+		if (!preg_match('/[^\p{Latin}\p{N}\s\.\,\-\'\/@]/u', $s)) {
+			return $s;
+		}
+
+		return strtr($s, self::$transliterationMap);
+	}
+
     public static function transliterate_and_limit_length(string $string, int $limit = 127)
     {
         $string = self::transliterate($string);