Merge pull request #18 from KOH6/repost

リツイート機能

app/assets/stylesheets/application.bootstrap.scss

@@ -43,4 +43,8 @@ $btn-border-radius: 1rem;
 
 .already-liking {
   color: rgb(249,25,127);
+}
+
+.already-reposting {
+  color: rgb(0,186,124);
 }

app/controllers/posts_controller.rb

@@ -30,10 +30,11 @@ def set_user
 
   def set_posts
     @post = Post.new
-    @posts = Post.includes(:user, :likes).latest.page(params[:posts_page]).per(10)
+    @posts = Post.includes(:user, :likes, :reposts).latest.page(params[:posts_page]).per(10)
     # 自分がフォローしている投稿
     followee_ids = @user.followees.map(&:id)
-    @followee_posts = Post.includes(:user, :likes).followee_posts(followee_ids:).page(params[:followee_page]).per(10)
+    @followee_posts = Post.includes(:user, :likes,
+                                    :reposts).followee_posts(followee_ids:).page(params[:followee_page]).per(10)
   end
 
   def post_params

app/controllers/reposts_controller.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class RepostsController < ApplicationController
+  def create
+    @repost = current_user.reposts.create(post_id: params[:post_id])
+    redirect_to request.referer
+  end
+
+  def destroy
+    @repost = current_user.reposts.find_by(post_id: params[:post_id])
+    @repost.destroy
+    redirect_to request.referer
+  end
+end

app/controllers/users_controller.rb

@@ -3,10 +3,11 @@
 class UsersController < ApplicationController
   def show
     @user = User.find(params[:id])
-    @posts = @user.posts.includes(:user).latest.page(params[:posts_page]).per(10)
-    @liking_posts = @user.liking_posts.includes(:user).latest.page(params[:like_page]).per(10)
-    @reposting_posts = @user.reposting_posts.includes(:user).latest.page(params[:repost_page]).per(10)
-    @commenting_posts = @user.commenting_posts.includes(:user).latest.page(params[:comment_page]).per(10)
+    @posts = @user.posts.includes(:user, :likes, :reposts).latest.page(params[:posts_page]).per(10)
+    @liking_posts = @user.liking_posts.includes(:user, :likes, :reposts).latest.page(params[:like_page]).per(10)
+    @reposting_posts = @user.reposting_posts.includes(:user, :likes, :reposts).latest.page(params[:repost_page]).per(10)
+    @commenting_posts = @user.commenting_posts.includes(:user, :likes,
+                                                        :reposts).latest.page(params[:comment_page]).per(10)
   end
 
   def edit

app/models/repost.rb

@@ -3,4 +3,6 @@
 class Repost < ApplicationRecord
   belongs_to :user
   belongs_to :post
+
+  validates :user_id, presence: true, uniqueness: { scope: :post_id }
 end

app/models/user.rb

@@ -54,6 +54,10 @@ def like(post)
     likes.find_by(post_id: post.id)
   end
 
+  def repost(post)
+    reposts.find_by(post_id: post.id)
+  end
+
   private
 
   def attach_dummy_photo

app/views/posts/_post_detail.html.slim

@@ -20,3 +20,4 @@
           = image_tag image, class: "img-fluid", style: " max-width: 50%; height: auto;"
       p.card-subtitle.text-muted.d-flex.align-items-center
         = l post.created_at
+    = render "posts/post_footer", post:, user:

app/views/posts/_post_footer.html.slim

@@ -6,10 +6,15 @@
         i.fs-6.bi-chat.mx-2
         = post.comments.size
     .col.d-flex.justify-content-around
-      = link_to post_likes_path(post), data: { "turbo-method": :post }, class: "text-decoration-none text-muted d-flex align-items-center fs-6 text-center"
-        i.fs-6.bi-repeat.mx-2
-        - if !post.reposts.size.zero?
+      - if current_user.repost(post).present?
+        = link_to post_repost_path(post, current_user.repost(post) ), data: { "turbo-method": :delete }, class: "text-decoration-none d-flex align-items-center fs-6 text-center already-reposting"
+          i.fs-6.bi-repeat.mx-2
           = post.reposts.size
+      - else
+        = link_to post_reposts_path(post), data: { "turbo-method": :post }, class: "text-decoration-none text-muted d-flex align-items-center fs-6 text-center"
+          i.fs-6.bi-repeat.mx-2
+          - if !post.reposts.size.zero?
+            = post.reposts.size
     .col.d-flex.justify-content-around
       - if current_user.like(post).present?
         = link_to post_like_path(post, current_user.like(post) ), data: { "turbo-method": :delete }, class: "text-decoration-none d-flex align-items-center fs-6 text-center already-liking"

app/views/posts/show.html.slim

@@ -7,7 +7,7 @@
       = render 'shared/flash'
       h3.fw-bold.my-3
         | ツイート
-      = render "post_detail", post: @post
+      = render "post_detail", post: @post, user: @user
       = render 'comments/form', :user => @user, :comment => @comment, :post => @post
       - @comments.each do |comment|
         = render comment

config/routes.rb

@@ -9,6 +9,7 @@
 
   resources :posts, only: %i[index show create] do
     resources :likes, only: %i[create destroy]
+    resources :reposts, only: %i[create destroy]
   end
   resources :users, only: %i[show edit update]
   resources :comments, only: %i[create]

db/migrate/20230919135742_create_reposts.rb

@@ -8,5 +8,7 @@ def change
 
       t.timestamps
     end
+
+    add_index :reposts, %i[user_id post_id], unique: true
   end
 end