#3

backend/Gemfile

@@ -48,3 +48,4 @@ group :development, :test do
 end
 
 gem 'bcrypt', '~> 3.1'
+gem 'rack-cors'

backend/Gemfile.lock

@@ -187,6 +187,9 @@ GEM
     raabro (1.4.0)
     racc (1.8.1)
     rack (3.2.0)
+    rack-cors (3.0.0)
+      logger
+      rack (>= 3.0.14)
     rack-session (2.1.1)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)
@@ -325,6 +328,7 @@ DEPENDENCIES
   kamal
   mysql2 (~> 0.5)
   puma (>= 5.0)
+  rack-cors
   rails (~> 8.0.2)
   rubocop-rails-omakase
   solid_cable

backend/app/controllers/posts_controller.rb

@@ -1,5 +1,14 @@
 class PostsController < ApplicationController
-  before_action :set_post, only: [:good, :bad, :destroy]
+  before_action :set_post, only: [:show, :good, :bad, :destroy]
+
+  def show
+    render json: @post.as_json.merge(image_url: (
+        if @post.image.attached?
+          Rails.application.routes.url_helpers.rails_blob_url(@post.image, only_path: true)
+        else
+          nil
+        end))
+  end
 
   # POST /posts/:id/good
   def good

backend/app/controllers/thread_posts_controller.rb

@@ -10,7 +10,14 @@ class ThreadPostsController < ApplicationController
             .select('posts.*, (good - bad) AS score')
             .order("#{ sort } #{ order }")
 
-    render json: posts
+    render json: posts.map { |post|
+      post.as_json.merge(image_url: (
+          if post.image.attached?
+            Rails.application.routes.url_helpers.rails_blob_url(post.image, only_path: true)
+          else
+            nil
+          end))
+    }
   end
 
   # POST /api/threads/:thread_id/posts

backend/app/controllers/threads_controller.rb

@@ -1,8 +1,10 @@
 class ThreadsController < ApplicationController
   # GET /api/threads
   def index
-    threads = Topic.order(updated_at: :desc)
-    render json: threads
+    threads = Topic.includes(:posts).order(updated_at: :desc)
+    render json: threads.map { |t|
+      t.as_json(methods: [:post_count])
+    }
   end
 
   # GET /api/threads/:id
@@ -15,7 +17,7 @@ class ThreadsController < ApplicationController
   def create
     thread = Topic.new(thread_params)
     if thread.save
-      render json: thread, status: :created
+      render json: thread.as_json, status: :created
     else
       render json: { errors: thread.errors.full_messages }, status: :unprocessable_entity
     end
@@ -24,6 +26,6 @@ class ThreadsController < ApplicationController
   private
 
   def thread_params
-    params.require(:thread).permit(:title, :description)
+    params.require(:thread).permit(:name, :description)
   end
 end

backend/app/models/topic.rb

@@ -6,4 +6,8 @@ class Topic < ApplicationRecord
   scope :active, -> { where deleted_at: nil }
 
   validates :name, presence: true
+
+  def post_count
+    posts.count
+  end
 end

backend/config/initializers/cors.rb

@@ -5,12 +5,12 @@
 
 # Read more: https://github.com/cyu/rack-cors
 
-# Rails.application.config.middleware.insert_before 0, Rack::Cors do
-#   allow do
-#     origins "example.com"
-#
-#     resource "*",
-#       headers: :any,
-#       methods: [:get, :post, :put, :patch, :delete, :options, :head]
-#   end
-# end
+Rails.application.config.middleware.insert_before 0, Rack::Cors do
+  allow do
+    origins 'http://bbs.kekec.wiki:5173', 'https://bbs.kekec.wiki'
+
+    resource "*",
+      headers: :any,
+      methods: [:get, :post, :put, :patch, :delete, :options, :head]
+  end
+end