feat: add retry configuration for file upload and validate config values

config/viper.go

@@ -82,6 +82,7 @@ func Init() {
 	viper.SetConfigType("toml")
 
 	viper.SetDefault("workers", 3)
+	viper.SetDefault("retry", 3)
 
 	viper.SetDefault("temp.base_path", "cache/")
 	viper.SetDefault("temp.cache_ttl", 3600)
@@ -92,8 +93,6 @@ func Init() {
 
 	viper.SetDefault("db.path", "data/saveany.db")
 
-	viper.SetDefault("telegram.api", "https://api.telegram.org")
-
 	viper.SetDefault("storage.alist.base_path", "/")
 	viper.SetDefault("storage.alist.token_exp", 3600)
 
@@ -107,4 +106,8 @@ func Init() {
 		fmt.Println("Error unmarshalling config file, ", err)
 		os.Exit(1)
 	}
+	if Cfg.Workers < 1 || Cfg.Retry < 1 {
+		fmt.Println("Invalid workers or retry value")
+		os.Exit(1)
+	}
 }