Make placeholder workaround less likely to be mangled by Google Translate

resources/lang/en/translation.php

@@ -17,6 +17,7 @@
     'language_key_added' => 'New language key added successfully 👏',
     'no_missing_keys' => 'There are no missing translation keys in the app 🎉',
     'keys_synced' => 'Missing keys synchronised successfully 🎊',
+    'auto_translated_language' => 'Finished translating :language.',
     'auto_translated' => 'Automated Translation completed successfully 🎊',
     'search' => 'Search all translations',
     'translations' => 'Translation',

src/Console/Commands/AutoTranslateKeysCommand.php

@@ -37,7 +37,7 @@ public function handle()
         } catch (\Exception $e) {
             return $this->error($e->getMessage());
         }
-        
-        
+
+
     }
 }

src/Drivers/Translation.php

@@ -66,6 +66,8 @@ public function autoTranslate($language = false)
         foreach ($languages as $language => $name) {
             $this->saveMissingTranslations($language);
             $this->translateLanguage($language);
+            //Inform the user of what language we just finished translating
+            fwrite(STDOUT, __('translation::translation.auto_translated_language', ['language' => $language]) . PHP_EOL);
         }
     }
 
@@ -89,24 +91,40 @@ public function getGoogleTranslate($language, $token)
         $modifiedToken = $token;
         $tempStrings = [];
         foreach ($placeholders as $index => $placeholder) {
-            $tempStrings[] = 'x' . $index;
+            //After some experiments, I found fake URLs were most likely to be left intact by Google Translate
+            $tempStrings[] = 'https://t.co/' .
+                //Use letters instead of numbers for Newar, because Google Translate converts the numbers to Newar script
+                ($language === 'new' ?
+                    mb_strtoupper(base_convert($index+10, 10, 36))
+                    :
+                    //Letters break in other languages, for all other languages we'll use numbers
+                    $index
+                );
         }
         $modifiedToken = str_replace($placeholders, $tempStrings, $modifiedToken);
 
         // Step 3: Translate the modified text using Google Translate
         $tr = new GoogleTranslate($language, $this->sourceLanguage);
-        $translatedText = $tr->translate($modifiedToken);
+        //In Laravel, | is used to separate pluralization variants.
+        //Translate each of these separately to prevent Google Translate mixing them up.
+        $translated = [];
+        foreach(explode('|', $modifiedToken) AS $translatableText){
+            $translated[] = $tr->translate($translatableText);
+        }
+        $translatedText = implode('|', $translated);
 
         // Step 4: Replace the temporary unique strings back with the original placeholders
-        //Note: we're using case-insensitive replace because Google Translate sometimes uppercases the x
+        //Note: we're using case-insensitive replace because Google Translate sometimes uppercases the temp string
         $translatedText = str_ireplace($tempStrings, $placeholders, $translatedText);
 
         // Step 5: Check if the number of placeholders has stayed the same
         preg_match_all($placeholderRegex, $translatedText, $translatedMatches);
         if (count($translatedMatches[0]) !== count($placeholders)) {
             // Print a warning to stderr
             fwrite(STDERR, sprintf(
-                "Warning: Placeholder count mismatch in translated text.\nOriginal text: %s\nTranslated text: %s\nExpected placeholders: %s\nActual placeholders: %s\n",
+                "Warning: Placeholder count mismatch in translated text when translating %s to %s.\nOriginal text: %s\nTranslated text: %s\nExpected placeholders: %s\nActual placeholders: %s\n",
+                $this->sourceLanguage,
+                $language,
                 $token,
                 $translatedText,
                 json_encode($placeholders),