create notifications table

app/models/notification.rb

+class Notification < ActiveRecord::Base
+  belongs_to :user
+end

app/models/user.rb

@@ -37,6 +37,7 @@ class User < ActiveRecord::Base
   ######################################################################
   has_many :posts, foreign_key: 'author_id'
   has_many :comments, foreign_key: 'author_id'
+  has_many :notifications
 
   ######################################################################
   # scope
@@ -105,6 +106,10 @@ class User < ActiveRecord::Base
     )
   end
 
+  # push通知を追加
+  def push_notification(detail_path, body)
+    notifications.create(detail_path: detail_path, body: body, is_read: false)
+  end
 
 
 end

app/views/partials/_app_header.html.slim

@@ -41,5 +41,17 @@ nav.navbar.navbar-default.navbar-fixed-top role="navigation"
             li.divider
             li
               a href=me_session_path data-method="delete" rel="nofollow" SignOut
+        li.dropdown
+          a.dropdown-toggle data-toggle="dropdown"
+            | 通知
+            span.badge = current_user.decorate.draft_count
+            b.caret
+          ul.dropdown-menu
+            - current_user.notifications.each do |notification|
+              li
+                a href=notification.detail_path
+                  = notification.body
+                  span.badge.pull-right = current_user.decorate.draft_count
+
 
 

db/migrate/20140501045300_create_notifications.rb

+class CreateNotifications < ActiveRecord::Migration
+  def change
+    create_table :notifications do |t|
+      t.integer :user_id
+      t.datetime :read_at
+      t.boolean :is_read, null: false, default: false
+      t.string :detail_path
+      t.text :body
+
+      t.timestamps
+    end
+
+    add_index :notifications, [:user_id, :is_read, :read_at]
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140420120819) do
+ActiveRecord::Schema.define(version: 20140501045300) do
 
   create_table "comments", force: true do |t|
     t.integer  "author_id"
@@ -24,6 +24,18 @@ ActiveRecord::Schema.define(version: 20140420120819) do
   add_index "comments", ["author_id", "updated_at"], name: "index_comments_on_author_id_and_updated_at", using: :btree
   add_index "comments", ["post_id", "updated_at"], name: "index_comments_on_post_id_and_updated_at", using: :btree
 
+  create_table "notifications", force: true do |t|
+    t.integer  "user_id"
+    t.datetime "read_at"
+    t.boolean  "is_read",     default: false, null: false
+    t.string   "detail_path"
+    t.text     "body"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "notifications", ["user_id", "is_read", "read_at"], name: "index_notifications_on_user_id_and_is_read_and_read_at", using: :btree
+
   create_table "post_tags", force: true do |t|
     t.integer  "post_id",    null: false
     t.integer  "tag_id",     null: false

spec/models/notification_spec.rb

+require 'spec_helper'
+
+describe Notifications do
+  pending "add some examples to (or delete) #{__FILE__}"
+end