Add Shotengai::Controller without test

lib/shotengai/controller.rb

+module Shotengai
+  class Controller < ApplicationController
+    # ActiveRecord::Relation or ActiveRecord::Base
+    cattr_accessor :resources
+    # respond_with @products, template: "#{self.class.template_dir}/index"
+    cattr_accessor :template_dir #{ 'shoutengai/merchant/product_series/' }
+    
+    class << self
+      # Add the index query to custom the @@index_resouces on the base of @@resources
+      # Foe example: 
+      #
+      #   index_query do |klass|
+      #     klass.where(product: params[:product_id]).order('desc')
+      #   end
+      #
+      def index_query &block
+        # 为了保证 self 为Controller instance variable ?? 才能有params 方法？？
+        @@index_query = block
+        # self.index_resouces = block.call(self.resources)
+      end
+
+      def remove_methods *method_names
+        method_names.each { |name| self.remove_method name }
+      end
+    end
+    
+    before_action :set_resource, except: [:index, :create]
+
+    def index
+      page = params[:page] || 1
+      per_page = params[:per_page] || 10
+      @resources = index_resources.paginate(page: page, per_page: per_page)
+      respond_with @resources, template: "#{@@template_dir}/index"
+    end
+
+    def show
+      respond_with @resource, template: "#{@@template_dir}/show"
+    end
+
+    def create
+      default_resources.create!(resource_params)
+      head 201
+    end
+
+    def update
+      @resource.update!(resource_params)
+      head 200
+    end
+
+    def destroy
+      @resourc.destroy!
+      head 204
+    end
+
+    private
+      def index_resources
+        @@index_query&.call(default_resources) || default_resources
+      end
+
+      def default_resources
+        self.class.resources
+      end
+
+      def set_resource
+        @resource = default_resources.find(params[:id])
+      end
+
+      def resource_params
+        
+      end
+  end
+end
\ No newline at end of file

shotengai.gemspec

@@ -33,6 +33,10 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'acts-as-taggable-on'
   spec.add_dependency 'rails'
 
+  # TODO: instead of gems below
+  spec.add_dependency 'jbuilder'
+  spec.add_dependency 'will_paginate', '~> 3.1.0'
+
   spec.add_development_dependency 'bundler', '~> 1.14'
   spec.add_development_dependency 'factory_girl_rails'
   spec.add_development_dependency 'rake', '~> 10.0'

spec/spec_helper.rb

@@ -3,8 +3,6 @@ require 'rails'
 require 'active_record'
 require 'shotengai'
 require 'support/factory_girl'
-# Dir['../support/**/*.rb'].each { |f| require f }
-
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure