updatedocs

afeiship · afeiship · commit 4d278a949120 · 2017-04-05T09:21:51.000+08:00
diff --git a/README.md b/README.md
@@ -1,5 +1,61 @@
 # rails-module-railsadmin
 > Rails module for rails-admin.
 
+
+## step by step:
++ Add new filed for admin user:
+```bash
+# gem 'devise'
+rails generate devise:install
+rails generate devise User
+
+## Or you can add admin field to the migration
+# t.boolean :admin
+rails g migration AddAdminToUser
+```
+
++ Add auth to posts_contrlller:
+```ruby
+before_action :authenticate_user!
+```
+
++ check in home_controller:
+```ruby
+class HomeController < ApplicationController
+  def index
+    if current_user
+      redirect_to posts_path
+    end
+  end
+end
+```
++ Add to layout navations:
+```ruby
+  <% if current_user %>
+  <%= link_to 'logout' destroy_user_session_path, method: :delete%>
+  <% else %>
+  <%= link_to 'login' new_user_session_path %>
+  <% end %>
+```
+
++ Install rails_admin
+```bash
+# gem 'rails_admin'
+rails g rails_admin:install
+```
++ set authorization:
+```ruby
+  config.authorize_with do
+    redirect_to main_app.root_path unless warden.user.admin == true
+  end
+```
+
++ result:
+```conf
+1290657123@qq.com/admin true  ===> Can edit post/user 
+other@qq.com /admin false     ===> Can not ....
+```
+
+
 ## resources:
 + https://github.com/sferik/rails_admin
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
@@ -1,4 +1,5 @@
 class PostsController < ApplicationController
+  before_action :authenticate_user!
   before_action :set_post, only: [:show, :edit, :update, :destroy]
 
   # GET /posts
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
@@ -9,6 +9,13 @@
   </head>
 
   <body>
+
+  <% if current_user %>
+    <%= link_to 'logout', destroy_user_session_path, method: :delete %>
+  <% else %>
+    <%= link_to 'login', new_user_session_path %>
+  <% end %>
+
     <%= yield %>
   </body>
 </html>
diff --git a/config/initializers/rails_admin.rb b/config/initializers/rails_admin.rb
@@ -1,5 +1,10 @@
 RailsAdmin.config do |config|
 
+
+  config.authorize_with do
+    redirect_to main_app.root_path unless warden.user.admin == true
+  end
+
   ### Popular gems integration
 
   ## == Devise ==
diff --git a/config/routes.rb b/config/routes.rb
@@ -1,8 +1,9 @@
 Rails.application.routes.draw do
   mount RailsAdmin::Engine => '/admin', as: 'rails_admin'
   resources :posts
-  get 'home/index'
+  # get 'home/index'
 
   devise_for :users
+  root 'home#index'
   # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
 end
diff --git a/db/migrate/20170405010843_add_admin_to_user.rb b/db/migrate/20170405010843_add_admin_to_user.rb
@@ -0,0 +1,4 @@
+class AddAdminToUser < ActiveRecord::Migration[5.0]
+  def change
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170402141002) do
+ActiveRecord::Schema.define(version: 20170405010843) do
 
   create_table "posts", force: :cascade do |t|
     t.datetime "created_at", null: false
@@ -30,6 +30,7 @@
     t.string   "last_sign_in_ip"
     t.datetime "created_at",                          null: false
     t.datetime "updated_at",                          null: false
+    t.boolean  "admin"
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`class PostsController < ApplicationController`
	`2`	`+ before_action :authenticate_user!`
`2`	`3`	`before_action :set_post, only: [:show, :edit, :update, :destroy]`
`3`	`4`
`4`	`5`	`# GET /posts`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +class AddAdminToUser < ActiveRecord::Migration[5.0]
 +  def change
 +  end
 +end