ban/unban users

app/models/admin_ability.rb

@@ -0,0 +1,10 @@
+class AdminAbility
+  include CanCan::Ability
+
+  def initialize(admin)
+    can :access, :rails_admin
+    can :manage, :all
+    cannot [:ban, :unban], :all
+    can [:ban, :unban], User
+  end
+end

app/models/user.rb

@@ -48,6 +48,19 @@ class User < ActiveRecord::Base
     !active? ? :deactivated : super
   end
   
+  def ban!
+    self.class.transaction do
+      update_column :active, false
+      domains.each &:destroy
+      records.each &:destroy
+      permissions.each &:destroy
+    end
+  end
+  
+  def unban!
+    update_column :active, true
+  end
+  
   def to_paper_trail
     "#{id} #{email} name:#{full_name} ip:#{current_sign_in_ip} last_ip:#{last_sign_in_ip}"
   end

app/views/rails_admin/main/ban.html.erb

@@ -0,0 +1,22 @@
+<h4>
+  <%= t("admin.form.are_you_sure_you_want_to_ban", 
+    :model_name => @abstract_model.pretty_name.downcase) %>
+  &ldquo;
+  <strong><%= @model_config.with(:object => @object).object_label %></strong>
+  &rdquo;
+  <%= t("admin.form.all_of_the_following_related_items_will_be_deleted") %>
+</h4>
+<ul>
+  <%= render :partial => "delete_notice", :object => @object %>
+</ul>
+<%= form_for(@object, :url => ban_path(:model_name => @abstract_model.to_param, :id => @object.id), :html => {:method => "patch"}) do %>
+  <input name="return_to" type="<%= :hidden %>" value="<%= (params[:return_to].presence || request.referer) %>"></input>
+  <div class="form-actions">
+    <button class="btn btn-danger" data-disable-with="<%= t("admin.form.confirmation") %>" type="submit">
+      <i class="icon-white icon-ok"></i> <%= t("admin.form.confirmation") %>
+    </button>
+    <button class="btn" data-disable-with="<%= t("admin.form.cancel") %>" name="_continue" type="submit">
+      <i class="icon-remove"></i> <%= t("admin.form.cancel") %>
+    </button>
+  </div>
+<% end %>

config/initializers/rails_admin.rb

@@ -1,5 +1,5 @@
-# RailsAdmin config file. Generated on September 10, 2012 23:57
+require 'rails_admin/config/actions/ban'
-# See github.com/sferik/rails_admin for more informations
+require 'rails_admin/config/actions/unban'
 
 RailsAdmin.config do |config|
 
@@ -15,11 +15,13 @@ RailsAdmin.config do |config|
   # Or with a PaperTrail: (you need to install it first)
   # config.audit_with :paper_trail, Admin
 
+
   # Set the admin name here (optional second array element will appear in a beautiful RailsAdmin red ©)
   config.main_app_name = ['Entrydns', 'Admin']
   # or for a dynamic name:
   # config.main_app_name = Proc.new { |controller| [Rails.application.engine_name.titleize, controller.params['action'].titleize] }
 
+  config.authorize_with :cancan, AdminAbility
 
   #  ==> Global show view settings
   # Display empty fields in show views
@@ -35,7 +37,38 @@ RailsAdmin.config do |config|
 
   # Add models here if you want to go 'whitelist mode':
   config.included_models = [A, AAAA, Admin, CNAME, Domain, MX, NS, Permission, 
-    Record, SOA, SRV, TXT, User, BlacklistedDomain, PaperTrail::Version]
+    Record, SOA, SRV, TXT, User, Authentication, BlacklistedDomain, PaperTrail::Version]
+
+  config.model Authentication do |conf|
+    parent User
+  end
+
+  config.model Permission do |conf|
+    parent User
+  end
+  
+  config.model Record do |conf|
+    parent Domain
+  end
+  
+  config.actions do
+    # root actions
+    dashboard                     # mandatory
+    # collection actions 
+    index                         # mandatory
+    new
+    export
+    history_index
+    bulk_delete
+    # member actions
+    show
+    edit
+    delete
+    history_show
+    show_in_app
+    ban
+    unban
+  end
   
   # Application wide tried label methods for models' instances
   # config.label_methods << :description # Default is [:name, :title]

config/locales/rails_admin.en.yml

@@ -0,0 +1,15 @@
+en:
+  admin:
+    form:
+      are_you_sure_you_want_to_ban: "Are you sure you want to ban this %{model_name}"
+    actions:
+      ban:
+        menu: "Ban"
+        title: "Ban"
+        breadcrumb: "Ban"
+        done: "User successfully banned"
+      unban:
+        menu: "Unban"
+        title: "Unban"
+        breadcrumb: "Unban"
+        done: "User successfully unbanned"

lib/rails_admin/config/actions/ban.rb

@@ -0,0 +1,57 @@
+require 'rails_admin/config/actions'
+require 'rails_admin/config/actions/base'
+
+module RailsAdmin
+  module Config
+    module Actions
+      
+      class Ban < RailsAdmin::Config::Actions::Base
+        RailsAdmin::Config::Actions.register(self)
+
+        register_instance_option :member do
+          true
+        end
+        
+        register_instance_option :http_methods do
+          [:get, :patch]
+        end
+        
+        register_instance_option :visible? do
+          authorized? && bindings[:object].active?
+        end
+
+        register_instance_option :controller do
+          Proc.new do            
+            if request.get? # BAN
+
+              respond_to do |format|
+                format.html { render 'ban' }
+                format.js   { render 'ban', :layout => false }
+              end
+
+            elsif request.patch? # PATCH
+
+              redirect_path = nil
+              @auditing_adapter && @auditing_adapter.delete_object(@object, @abstract_model, _current_user)
+              if @object.ban!
+                flash[:success] = t("admin.flash.successful", :name => @model_config.label, :action => t("admin.actions.ban.done"))
+                redirect_path = index_path
+              else
+                flash[:error] = t("admin.flash.error", :name => @model_config.label, :action => t("admin.actions.ban.done"))
+                redirect_path = back_or_index
+              end
+
+              redirect_to redirect_path
+
+            end
+          end
+        end
+
+        register_instance_option :link_icon do
+          'icon- fa-ban'
+        end
+      end
+      
+    end
+  end
+end

lib/rails_admin/config/actions/unban.rb

@@ -0,0 +1,33 @@
+require 'rails_admin/config/actions'
+require 'rails_admin/config/actions/base'
+
+module RailsAdmin
+  module Config
+    module Actions
+      
+      class Unban < RailsAdmin::Config::Actions::Base
+        RailsAdmin::Config::Actions.register(self)
+
+        register_instance_option :member do
+          true
+        end
+        
+        register_instance_option :visible? do
+          authorized? && !bindings[:object].active?
+        end
+
+        register_instance_option :controller do
+          Proc.new do
+            @object.unban!
+            redirect_to back_or_index
+          end
+        end
+
+        register_instance_option :link_icon do
+          'icon-ok'
+        end
+      end
+      
+    end
+  end
+end