#19 Wiki 新規作成完成

backend/app/controllers/wiki_pages_controller.rb

@@ -1,19 +1,24 @@
 class WikiPagesController < ApplicationController
   def show
+    wiki_page = WikiPage.find(params[:id])
+    render json: wiki_page.as_json
+  end
+
+  def show_by_title
     wiki_page = WikiPage.find_by(title: params[:title])
-    if wiki_page
-      render plain: wiki_page.markdown
-    else
-      head :not_found
-    end
+    body = wiki_page&.body
+    return head :not_found unless body
+
+    render plain: body
   end
 
   def create
     return head :unauthorized unless current_user
+    return head :forbidden unless ['admin', 'member'].include?(current_user.role)
 
-    wiki_page = WikiPage.new(title: params[:title], tag_id: params[:tag_id], created_user: current_user, updated_user: current_user)
-    wiki_page.markdown = params[:markdown], user: current_user
+    wiki_page = WikiPage.new(title: params[:title], created_user: current_user, updated_user: current_user)
     if wiki_page.save
+      wiki_page.set_body params[:body], user: current_user
       render json: wiki_page, status: :created
     else
       render json: { errors: wiki_page.errors.full_messages }, status: :unprocessable_entity
@@ -27,7 +32,7 @@ class WikiPagesController < ApplicationController
     return head :not_found unless wiki_pages
 
     wiki_page.updated_user = current_user
-    wiki_page.markdown = params[:markdown], user: current_user
+    wiki_page.set_body params[:body], user: current_user
     wiki_page.save!
     head :ok
   end