Initial commit - Last War messaging system

src/Translate.php

@@ -0,0 +1,134 @@
+<?php
+
+namespace src;
+
+class Translate
+{
+    private string $url;
+    private array $supportedLanguages = [];
+
+    public function __construct()
+    {
+        $this->url = $_ENV['LIBRETRANSLATE_URL'] ?? getenv('LIBRETRANSLATE_URL') ?? 'http://localhost:5000';
+    }
+
+    public function detectLanguage(string $text): ?string
+    {
+        try {
+            $response = $this->request('/detect', ['q' => $text]);
+            
+            if (!empty($response)) {
+                return $response[0]['language'] ?? null;
+            }
+        } catch (\Exception $e) {
+            error_log("Language detection error: " . $e->getMessage());
+        }
+        
+        return null;
+    }
+
+    public function translate(string $text, string $sourceLang, string $targetLang): ?string
+    {
+        if ($sourceLang === $targetLang) {
+            return $text;
+        }
+
+        try {
+            $lines = explode("\n", $text);
+            $translatedLines = [];
+            
+            foreach ($lines as $line) {
+                if (trim($line) === '') {
+                    $translatedLines[] = '';
+                    continue;
+                }
+                
+                $response = $this->request('/translate', [
+                    'q' => trim($line),
+                    'source' => $sourceLang,
+                    'target' => $targetLang,
+                    'format' => 'text'
+                ]);
+                
+                $translatedLines[] = $response['translatedText'] ?? trim($line);
+            }
+            
+            return implode("\n", $translatedLines);
+        } catch (\Exception $e) {
+            error_log("Translation error: " . $e->getMessage());
+            return null;
+        }
+    }
+
+    public function translateToMultiple(string $text, string $sourceLang, array $targetLangs): array
+    {
+        $results = [];
+        
+        foreach ($targetLangs as $lang) {
+            $results[$lang] = $this->translate($text, $sourceLang, $lang);
+        }
+        
+        return $results;
+    }
+
+    public function getSupportedLanguages(): array
+    {
+        if (!empty($this->supportedLanguages)) {
+            return $this->supportedLanguages;
+        }
+
+        try {
+            $response = $this->request('/languages');
+            $this->supportedLanguages = $response;
+            return $response;
+        } catch (\Exception $e) {
+            error_log("Get languages error: " . $e->getMessage());
+            return [];
+        }
+    }
+
+    public function isLanguageSupported(string $langCode): bool
+    {
+        $languages = $this->getSupportedLanguages();
+        
+        foreach ($languages as $lang) {
+            if ($lang['code'] === $langCode) {
+                return true;
+            }
+        }
+        
+        return false;
+    }
+
+    private function request(string $endpoint, array $data = []): array
+    {
+        $url = $this->url . $endpoint;
+        
+        $ch = curl_init($url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        
+        if (!empty($data)) {
+            curl_setopt($ch, CURLOPT_POST, true);
+            curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
+            curl_setopt($ch, CURLOPT_HTTPHEADER, [
+                'Content-Type: application/x-www-form-urlencoded'
+            ]);
+        }
+
+        $response = curl_exec($ch);
+        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        curl_close($ch);
+
+        if ($httpCode >= 400) {
+            throw new \Exception("LibreTranslate API Error: HTTP $httpCode");
+        }
+
+        $result = json_decode($response, true);
+        
+        if ($result === null) {
+            throw new \Exception("Invalid JSON response from LibreTranslate");
+        }
+
+        return $result;
+    }
+}