コントローラの仮実装をし、雰囲気を掴む

app/controllers/clova_controller.rb

@@ -0,0 +1,46 @@
+class ClovaController < ApplicationController
+  def index
+    clova_request = Clova::Request.parse_request_from(request.body.read)
+    case
+    when clova_request.event?
+      case clova_request.name
+      when "AudioPlayer.PlayStarted"
+        # noop
+      else
+        # noop
+      end
+    when clova_request.intent?
+      case clova_request.name
+      when "ReadlistsIntent"
+        # noop
+      when "ReadTasksIntent"
+        # noop
+      when "StartCheckIntent"
+        # noop
+      when "EndCheckIntent"
+        # noop
+      when "CheckIntent"
+        # noop
+      when "SetDueIntent"
+        # noop
+      when "NextIntent"
+        # noop
+      when "PrevIntent"
+        # noop
+      when "GuideIntent"
+        # noop
+      else
+        # noop
+      end
+    when clova_request.launch?
+      # noop
+    when clova_request.session_ended?
+      # noop
+    else
+      # something wrong?
+      # noop
+    end
+
+    render json: {}
+  end
+end

app/helpers/clova_helper.rb

@@ -0,0 +1,2 @@
+module ClovaHelper
+end

app/models/clova/request.rb

@@ -1,7 +1,12 @@
+require 'forwardable'
+
 module  Clova
   class Request
+    extend ::Forwardable
     attr_accessor :context, :request, :session, :version
 
+    def_delegators :@request, :event?, :intent?, :launch?, :session_ended?, :name, :slots, :payload
+
     class Context
       attr_accessor :audio_player, :system
 
@@ -113,6 +118,38 @@ def initialize(json)
         self.event = Event.new(json&.[]("event"))
         self.intent = Intent.new(json&.[]("intent"))
       end
+
+      def event?
+        self.type == "EventRequest"
+      end
+
+      def intent?
+        self.type == "IntentRequest"
+      end
+
+      def launch?
+        self.type == "LaunchRequest"
+      end
+
+      def session_ended?
+        self.type == "SessionEndedRequest"
+      end
+
+      def name
+        case
+        when event? then "#{self.event.namespace}.#{self.event.name}"
+        when intent? then self.intent&.name
+        else ""
+        end
+      end
+
+      def slots
+        self.intent&.slots
+      end
+
+      def payload
+        self.event&.payload
+      end
     end # Request
 
     class Session

app/views/clova/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Clova#index</h1>
+<p>Find me in app/views/clova/index.html.erb</p>

config/routes.rb

@@ -1,4 +1,5 @@
 Rails.application.routes.draw do
+  post '/clova', to: 'clova#index'
   resources :lists do
     resources :tasks do
       patch 'complete', on: :member

test/controllers/clova_controller_test.rb

@@ -0,0 +1,56 @@
+require 'test_helper'
+
+class ClovaControllerTest < ActionDispatch::IntegrationTest
+  test "should get index" do
+    post(clova_url, params: <<JSON, headers: {"Content-Type": "application/json;charset-UTF-8"})
+{
+  "version": "1.0",
+  "session": {
+    "new": false,
+    "sessionAttributes": {},
+    "sessionId": "a29cfead-c5ba-474d-8745-6c1a6625f0c5",
+    "user": {
+      "userId": "U399a1e08a8d474521fc4bbd8c7b4148f",
+      "accessToken": "XHapQasdfsdfFsdfasdflQQ7"
+    }
+  },
+  "context": {
+    "System": {
+      "application": {
+        "applicationId": "com.example.extension.pizzabot"
+      },
+      "user": {
+        "userId": "U399a1e08a8d474521fc4bbd8c7b4148f",
+        "accessToken": "XHapQasdfsdfFsdfasdflQQ7"
+      },
+      "device": {
+        "deviceId": "096e6b27-1717-33e9-b0a7-510a48658a9b",
+        "display": {
+          "size": "l100",
+          "orientation": "landscape",
+          "dpi": 96,
+          "contentLayer": {
+            "width": 640,
+            "height": 360
+          }
+        }
+      }
+    }
+  },
+  "request": {
+    "type": "IntentRequest",
+    "intent": {
+      "name": "OrderPizza",
+      "slots": {
+        "pizzaType": {
+          "name": "pizzaType",
+          "value": "ペパロニ"
+        }
+      }
+    }
+  }
+}
+JSON
+    assert_response :success
+  end
+end