Add a verbose_logging option to config

lib/twirp/rails/configuration.rb

@@ -12,6 +12,11 @@ class Configuration
       # Logger to use for Twirp requests. Defaults to Rails.logger
       attr_accessor :logger
 
+      # Whether to log Twirp responses. Defaults to true if log level is :debug
+      # Example:
+      #   Twirp Response: <Twirp::Example::Haberdasher::Hat: inches: 24, color: "Tan", name: "Pork Pie">
+      attr_accessor :verbose_logging
+
       # An array of directories to search for *_twirp.rb files
       # Defaults to ["lib"]
       attr_accessor :load_paths
@@ -29,6 +34,7 @@ def initialize
         @endpoint = "/twirp"
         @load_paths = ["lib"]
         @logger = Logger
+        @verbose_logging = nil
         @middleware = []
         @service_hooks = {}
       end

lib/twirp/rails/engine.rb

@@ -26,7 +26,10 @@ class Engine < ::Rails::Engine
           app.config.twirp.send(key)
         end
 
+        # Set up logging
         app.config.middleware.use app.config.twirp.logger, ::Rails.logger
+        app.config.twirp.verbose_logging = ::Rails.logger.level == ::Logger::DEBUG if app.config.twirp.verbose_logging.nil?
+
         app.config.twirp.middleware.each do |middleware|
           app.config.middleware.use middleware
         end
@@ -50,8 +53,8 @@ def services
               service.send(hook_name, &hook)
             end
 
-            # Add our own logging hooks in debug mode
-            if ::Rails.logger.level == ::Logger::DEBUG
+            # Add our own logging hooks if verbose_logging is enabled
+            if ::Rails.application.config.twirp.verbose_logging
               service.on_success do |env|
                 ::Rails.logger.debug("Twirp Response: #{env[:output].inspect}")
               end