add activeadmin and run its standard generator

Gemfile

@@ -16,6 +16,13 @@ gem 'sinatra'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
 gem 'jbuilder', '~> 1.2'
 
+# Admin
+gem 'responders',          github: 'plataformatec/responders'
+gem 'inherited_resources', github: 'josevalim/inherited_resources'
+gem 'ransack',             github: 'ernie/ransack', branch: 'rails-4'
+gem 'activeadmin',         github: 'gregbell/active_admin', branch: 'rails4'
+gem 'formtastic',          github: 'justinfrench/formtastic'
+
 group :doc do
   # bundle exec rake doc:rails generates the API under doc/api.
   gem 'sdoc', require: false

Gemfile.lock

@@ -1,3 +1,54 @@
+GIT
+  remote: git://github.com/ernie/ransack.git
+  revision: 43fff052ca7a850103c2ac122c99541cd34cf48d
+  branch: rails-4
+  specs:
+    ransack (0.7.3)
+      actionpack (~> 4.0.0)
+      activerecord (~> 4.0.0)
+      polyamorous (~> 0.6.0)
+
+GIT
+  remote: git://github.com/gregbell/active_admin.git
+  revision: 54fb71c5415f7b1a7aa0cdde680ee882fa3b2d6f
+  branch: rails4
+  specs:
+    activeadmin (0.6.0)
+      arbre (>= 1.0.1)
+      bourbon (>= 1.0.0)
+      coffee-rails (>= 3.2.0)
+      devise (>= 3.0.0.rc)
+      formtastic (>= 2.0.0)
+      inherited_resources (>= 1.3.1)
+      jquery-rails (>= 3.0.0)
+      jquery-ui-rails (>= 4.0.0)
+      kaminari (>= 0.13.0)
+      rails (>= 3.2.0)
+      ransack (>= 0.7.0)
+      sass-rails (>= 3.2.0)
+
+GIT
+  remote: git://github.com/josevalim/inherited_resources.git
+  revision: 2656ca0cea51cc7469be1d30cace24752d5b4e3b
+  specs:
+    inherited_resources (1.4.0)
+      has_scope (~> 0.6.0.rc)
+      responders (~> 1.0.0.rc)
+
+GIT
+  remote: git://github.com/justinfrench/formtastic.git
+  revision: cd6cb88f28ea7444267802ced8e5ec0f5cfd0f90
+  specs:
+    formtastic (2.3.0.rc2)
+      actionpack (>= 3.0)
+
+GIT
+  remote: git://github.com/plataformatec/responders.git
+  revision: 6b57da9efb85c79157434a85c1bc34b2b4231aaa
+  specs:
+    responders (1.0.0.rc)
+      railties (>= 3.2, < 5)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -25,8 +76,14 @@ GEM
       multi_json (~> 1.3)
       thread_safe (~> 0.1)
       tzinfo (~> 0.3.37)
+    arbre (1.0.1)
+      activesupport (>= 3.0.0)
     arel (4.0.0)
     atomic (1.1.10)
+    bcrypt-ruby (3.1.1)
+    bourbon (3.1.8)
+      sass (>= 3.2.0)
+      thor
     builder (3.1.4)
     coffee-rails (4.0.0)
       coffee-script (>= 2.2.0)
@@ -42,6 +99,11 @@ GEM
       debugger-ruby_core_source (~> 1.2.3)
     debugger-linecache (1.2.0)
     debugger-ruby_core_source (1.2.3)
+    devise (3.0.0)
+      bcrypt-ruby (~> 3.0)
+      orm_adapter (~> 0.1)
+      railties (>= 3.2.6, < 5)
+      warden (~> 1.2.3)
     diff-lcs (1.2.4)
     erubis (2.7.0)
     execjs (1.4.0)
@@ -53,6 +115,9 @@ GEM
       railties (>= 3.0.0)
     haml (4.0.3)
       tilt
+    has_scope (0.6.0.rc)
+      actionpack (>= 3.2, < 5)
+      activesupport (>= 3.2, < 5)
     hike (1.2.3)
     i18n (0.6.4)
     jbuilder (1.4.2)
@@ -61,14 +126,23 @@ GEM
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
+    jquery-ui-rails (4.0.3)
+      jquery-rails
+      railties (>= 3.1.0)
     json (1.8.0)
+    kaminari (0.14.1)
+      actionpack (>= 3.0.0)
+      activesupport (>= 3.0.0)
     mail (2.5.4)
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.23)
     minitest (4.7.5)
     multi_json (1.7.7)
+    orm_adapter (0.4.0)
     pg (0.15.1)
+    polyamorous (0.6.3)
+      activerecord (>= 3.0)
     polyglot (0.3.3)
     rack (1.5.2)
     rack-protection (1.5.0)
@@ -136,19 +210,26 @@ GEM
     uglifier (2.1.2)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
+    warden (1.2.3)
+      rack (>= 1.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  activeadmin!
   coffee-rails (~> 4.0.0)
   debugger
   factory_girl_rails
+  formtastic!
   haml
+  inherited_resources!
   jbuilder (~> 1.2)
   jquery-rails
   pg
   rails (= 4.0.0)
+  ransack!
+  responders!
   rspec-rails (~> 2.0)
   sass-rails (~> 4.0.0)
   sdoc

app/admin/admin_user.rb

@@ -0,0 +1,20 @@
+ActiveAdmin.register AdminUser do
+  index do
+    column :email
+    column :current_sign_in_at
+    column :last_sign_in_at
+    column :sign_in_count
+    default_actions
+  end
+
+  filter :email
+
+  form do |f|
+    f.inputs "Admin Details" do
+      f.input :email
+      f.input :password
+      f.input :password_confirmation
+    end
+    f.actions
+  end
+end

app/admin/dashboard.rb

@@ -0,0 +1,33 @@
+ActiveAdmin.register_page "Dashboard" do
+
+  menu :priority => 1, :label => proc{ I18n.t("active_admin.dashboard") }
+
+  content :title => proc{ I18n.t("active_admin.dashboard") } do
+    div :class => "blank_slate_container", :id => "dashboard_default_message" do
+      span :class => "blank_slate" do
+        span I18n.t("active_admin.dashboard_welcome.welcome")
+        small I18n.t("active_admin.dashboard_welcome.call_to_action")
+      end
+    end
+
+    # Here is an example of a simple dashboard with columns and panels.
+    #
+    # columns do
+    #   column do
+    #     panel "Recent Posts" do
+    #       ul do
+    #         Post.recent(5).map do |post|
+    #           li link_to(post.title, admin_post_path(post))
+    #         end
+    #       end
+    #     end
+    #   end
+
+    #   column do
+    #     panel "Info" do
+    #       para "Welcome to ActiveAdmin."
+    #     end
+    #   end
+    # end
+  end # content
+end

app/assets/javascripts/active_admin.js.coffee

@@ -0,0 +1 @@
+#= require active_admin/base

app/assets/stylesheets/active_admin.css.scss

@@ -0,0 +1,17 @@
+// SASS variable overrides must be declared before loading up Active Admin's styles.
+//
+// To view the variables that Active Admin provides, take a look at
+// `app/assets/stylesheets/active_admin/mixins/_variables.css.scss` in the
+// Active Admin source.
+//
+// For example, to change the sidebar width:
+// $sidebar-width: 242px;
+
+// Active Admin's got SASS!
+@import "active_admin/mixins";
+@import "active_admin/base";
+
+// Overriding any non-variable SASS must be done after the fact.
+// For example, to change the default status-tag color:
+//
+//   .status_tag { background: #6090DB; }

app/models/admin_user.rb

@@ -0,0 +1,7 @@
+class AdminUser < ActiveRecord::Base
+  # Include default devise modules. Others available are:
+  # :token_authenticatable, :confirmable,
+  # :lockable, :timeoutable and :omniauthable
+  devise :database_authenticatable, 
+         :recoverable, :rememberable, :trackable, :validatable
+end