headerの通知view作成

app/controllers/notifications_controller.rb

+class NotificationsController < ApplicationController
+  before_action :set_notification, only: [:bridge]
+
+  def bridge
+    @notification.set_read!
+    redirect_to @notification.detail_path
+  end
+
+  private
+
+  def set_notification
+    @notification = Notification.find(params[:id])
+  end
+
+end

app/models/notification.rb

 class Notification < ActiveRecord::Base
 class Notification < ActiveRecord::Base
   belongs_to :user
   belongs_to :user
+
+  ######################################################################
+  # Named scope
+  ######################################################################
+
+  # 最新のPostを取得
+  scope :unread, -> {
+    where(is_read: false)
+  }
+
+  ######################################################################
+  # Instance method
+  ######################################################################
+
+  # 既読にする
+  def set_read!
+    update!(is_read: true, read_at: Time.now)
+  end
 end
 end

app/views/partials/_app_header.html.slim

@@ -44,14 +44,18 @@ nav.navbar.navbar-default.navbar-fixed-top role="navigation"
         li.dropdown
         li.dropdown
           a.dropdown-toggle data-toggle="dropdown"
           a.dropdown-toggle data-toggle="dropdown"
             | 通知
             | 通知
-            span.badge = current_user.decorate.draft_count
+            - if current_user.notifications.unread.any?
+              span.badge = current_user.notifications.unread.count
             b.caret
             b.caret
           ul.dropdown-menu
           ul.dropdown-menu
-            - current_user.notifications.each do |notification|
+            - if current_user.notifications.unread.any?
+              - current_user.notifications.unread.each do |notification|
+                li
+                  a href=notification_bridge_path(notification.id)
+                    = notification.body
+            - else
               li
               li
-                a href=notification.detail_path
-                  = notification.body
-                  span.badge.pull-right = current_user.decorate.draft_count
+                a 通知はありません
 
 
 
 
 
 

config/routes.rb

@@ -18,6 +18,8 @@ Rendezvous::Application.routes.draw do
   get    'posts/:id/slideshow' => 'posts#slideshow', as: 'slideshow_post'
   get    'posts/:id/slideshow' => 'posts#slideshow', as: 'slideshow_post'
   resources :posts, except: [:index]
   resources :posts, except: [:index]
 
 
+  get    'notification_bridge/:id'  => 'notifications#bridge',  as: 'notification_bridge'
+
   post   'tags/:name/merge_to/:merge_to_name' => 'tags#merge_to', as: 'merge_to_tag'
   post   'tags/:name/merge_to/:merge_to_name' => 'tags#merge_to', as: 'merge_to_tag'
   post   'tags/:name/move_to/:move_to_name' => 'tags#move_to', as: 'move_to_tag'
   post   'tags/:name/move_to/:move_to_name' => 'tags#move_to', as: 'move_to_tag'
   resources :tags, :param => :name, except: [:index]
   resources :tags, :param => :name, except: [:index]