Added: dotenv support to DeepL

Author: digitalchild

.env.sample

@@ -0,0 +1 @@
+DEEPL_API_KEY=your-deepl-api-key

.gitignore

@@ -1,3 +1,4 @@
+.env
 cache
 vendor
 tests/*.mo

composer.json

@@ -31,7 +31,8 @@
     "gettext/gettext": "^5.6",
     "google/cloud-translate": "^1.12",
     "symfony/cache": "^6.0",
-    "deeplcom/deepl-php": "^1.2"
+    "deeplcom/deepl-php": "^1.2",
+    "vlucas/phpdotenv": "^5.6"
   },
   "require-dev": {
     "nette/tester": "^2.4"

readme.md

@@ -22,7 +22,7 @@ Description:
   Translate PO file with Google Translator API
 
 Usage:
-  google [options] [--] <input> [<output>]
+  google [options] [--] <input> [<output>] 
 
 Arguments:
   input                          Input PO file path
@@ -141,6 +141,15 @@ For more information visit https://www.deepl.com/pro-api
 2. Visit [Account summary](https://www.deepl.com/pro-account/summary)
 3. Search for Authentication Key for DeepL API
 
+
+### Environment variables
+
+You can use environment variables to set DeepL API key.
+
+```dotenv:.env
+DEEPL_API_KEY=your-deepl-api-key
+```
+
 ## Install
 
 ```shell

src/commands/DeepLTranslatorCommand.php

@@ -16,6 +16,7 @@
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Throwable;
+use Dotenv\Dotenv;
 
 class DeepLTranslatorCommand extends Command {
 
@@ -34,6 +35,13 @@ protected function configure(): void {
 	protected function execute(InputInterface $input, OutputInterface $output): int {
 		try {
 
+			// Load .env file if it exists
+			if (file_exists(__DIR__ . '/../../.env')) {
+				$dotenv = Dotenv::createImmutable(__DIR__ . '/../..');
+				$dotenv->load();
+            }
+
+
 			// Input PO file
 			$inputFile = $input->getArgument('input');
 			if (!file_exists($inputFile)) {
@@ -46,20 +54,27 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 				throw new InvalidOptionException('Invalid directory path: ' . $outputDir);
 			}
 
-			// Crete new DeepL translator
-			$customTranslatorPath = $input->getOption('translator');
-			if ($customTranslatorPath && file_exists($customTranslatorPath)) {
-				$translator = require_once $customTranslatorPath;
 
-				if (!$translator instanceof \potrans\translator\Translator) {
-					throw new InvalidOptionException('Invalid translator instance: ' . $customTranslatorPath);
-				}
-			} else {
-				$apikey = (string) $input->getOption('apikey');
-				$translator = new DeepLTranslator(
-					new Translator($apikey),
-				);
-			}
+			// Get API key from .env or command line
+            $apikey = $_ENV['DEEPL_API_KEY'] ?? $input->getOption('apikey');
+
+            if (!$apikey) {
+                throw new InvalidOptionException('DeepL API Key is required. Set it in .env file or use --apikey option.');
+            }
+
+            // Crete new DeepL translator
+            $customTranslatorPath = $input->getOption('translator');
+            if ($customTranslatorPath && file_exists($customTranslatorPath)) {
+                $translator = require_once $customTranslatorPath;
+
+                if (!$translator instanceof \potrans\translator\Translator) {
+                    throw new InvalidOptionException('Invalid translator instance: ' . $customTranslatorPath);
+                }
+            } else {
+                $translator = new DeepLTranslator(
+                    new Translator($apikey),
+                );
+            }
 
 			// Setup caching
 			$cache = $input->getOption('cache') ?