auto reload api folder in development mode.

app/api/mobile/api.rb

@@ -1,11 +1,5 @@
 module Mobile
 
-  $LOAD_PATH << File.expand_path('..',__FILE__)
-
-  autoload :Auth,  'apis/auth'
-  autoload :Users, 'apis/users'
-  autoload :Courses, 'apis/courses'
-
   class API < Grape::API
     version 'v1', using: :path
     format :json
@@ -30,9 +24,9 @@ module Mobile
       end
     end
 
-    mount Auth
-    mount Users
-    mount Courses
+    mount Apis::Auth
+    mount Apis::Users
+    mount Apis::Courses
 
   end
 end

app/api/mobile/apis/auth.rb

@@ -1,4 +1,5 @@
 module Mobile
+  module Apis
     class Auth < Grape::API
       resource :auth do
         desc "Creates and returns access_token if valid login"
@@ -19,6 +20,7 @@ module Mobile
         end
       end
     end
+  end
 end
 
 

app/api/mobile/apis/courses.rb

@@ -1,5 +1,7 @@
 module Mobile
 
+  module Apis
+
   module Entities
 
     class Course < Grape::Entity
@@ -67,5 +69,6 @@ module Mobile
 
     end
   end
+  end
 end
 

app/api/mobile/apis/users.rb

@@ -1,4 +1,5 @@
 module Mobile
+  module Apis
   class Users < Grape::API
     resource :users do
       desc "get all users"
@@ -23,6 +24,13 @@ module Mobile
           {status: 1, message: e.message}
         end
       end
+
+      desc "test upload"
+      post "upload" do
+        puts "haha11"
+      end
+
+    end
   end
   end
 end

config/initializers/autoreload_grape.rb

@@ -0,0 +1,26 @@
+if Rails.env.development?
+  lib_ruby_files = Dir.glob(File.join("app/api/**", "*.rb"))
+  lib_reloader ||= ActiveSupport::FileUpdateChecker.new(lib_ruby_files) do
+    # lib_ruby_files.each do |lib_file|
+    #   puts "start require #{lib_file}"
+    #   require_dependency(lib_file) 
+    # end
+    #
+
+    # binding.pry
+    # if Object.const_defined?(:Mobile)
+    #   Object.send(:remove_const, :Mobile)
+    # end
+    #
+    # $".delete_if {|s| s.include?('api/mobile') }
+    # require File.join(Rails.root,"app/api/mobile/api.rb")
+    Rails.application.reload_routes!
+  end
+
+  ActionDispatch::Callbacks.to_prepare do
+    lib_reloader.execute_if_updated
+  end
+
+end
+
+