feat: prioritize free services over commercial

Author: dangeredwolf

providers/aws.ts

@@ -178,4 +178,8 @@ export class AWSProvider extends TranslationProvider {
   isAvailable(): boolean {
     return !!(process.env.AWS_ACCESS_KEY_ID && process.env.AWS_SECRET_ACCESS_KEY);
   }
+
+  isFree(): boolean {
+    return false;
+  }
 }

providers/azure.ts

@@ -83,4 +83,8 @@ export class AzureProvider extends TranslationProvider {
   isAvailable(): boolean {
     return !!process.env.AZURE_TRANSLATOR_KEY;
   }
+
+  isFree(): boolean {
+    return false;
+  }
 }

providers/bing.ts

@@ -34,4 +34,8 @@ export class BingTranslateProvider extends TranslationProvider {
     // Always available since we don't need API keys
     return true;
   }
+
+  isFree(): boolean {
+    return true;
+  }
 } 

providers/deepl.ts

@@ -77,4 +77,8 @@ export class DeepLProvider extends TranslationProvider {
   isAvailable(): boolean {
     return !!process.env.DEEPL_API_KEY;
   }
+
+  isFree(): boolean {
+    return false;
+  }
 }

providers/deeplx/cloudflare.ts

@@ -42,4 +42,8 @@ export class DeepLXCloudflareProvider extends TranslationProvider {
   isAvailable(): boolean {
     return !!process.env.DEEPLX_CLOUDFLARE_URL;
   }
+
+  isFree(): boolean {
+    return true;
+  }
 } 

providers/deeplx/deeplx.ts

@@ -27,4 +27,8 @@ export class DeepLXProvider extends TranslationProvider {
   isAvailable(): boolean {
     return true;
   }
+
+  isFree(): boolean {
+    return true;
+  }
 } 

providers/deeplx/vercel.ts

@@ -40,4 +40,8 @@ export class DeepLXVercelProvider extends TranslationProvider {
   isAvailable(): boolean {
     return !!process.env.DEEPLX_VERCEL_URL;
   }
+
+  isFree(): boolean {
+    return true;
+  }
 } 

providers/google.ts

@@ -44,4 +44,8 @@ export class GoogleTranslateProvider extends TranslationProvider {
     // Always available since we don't need API keys
     return true;
   }
+
+  isFree(): boolean {
+    return true;
+  }
 } 

providers/libretranslate.ts

@@ -76,6 +76,12 @@ export class LibreTranslateProvider extends TranslationProvider {
     return !!process.env.LIBRETRANSLATE_URL;
   }
 
+  // FIXME: Figure out a way to slot LibreTranslate in between free and paid providers
+  // Translation quality is hit or miss depending on language
+  isFree(): boolean {
+    return false;
+  }
+
   private async fetchLanguages(): Promise<void> {
     if (this.languagesFetched) {
       return;

providers/types.ts

@@ -21,4 +21,7 @@ export abstract class TranslationProvider {
 
   // Check if provider is available (has required configuration)
   abstract isAvailable(): boolean;
+  
+  // Check if provider is free (true) or paid (false)
+  abstract isFree(): boolean;
 }