adds filters to admin/organizations

app/controllers/admin/organizations_controller.rb

@@ -1,19 +1,32 @@
 class Admin::OrganizationsController < Admin::BaseController
+  before_filter :set_valid_filters
+  before_filter :parse_filter
 
   load_and_authorize_resource
 
   def index
+    @organizations = @organizations.send(@filter)
     @organizations = @organizations.includes(:user).order(:name, 'users.email')
   end
 
   def verify
     @organization.verify
-    redirect_to action: :index
+    redirect_to action: :index, filter: @filter
   end
 
   def reject
     @organization.reject
-    redirect_to action: :index
+    redirect_to action: :index, filter: @filter
   end
 
+  private
+    def set_valid_filters
+      @valid_filters = %w{all pending verified rejected}
+    end
+
+    def parse_filter
+      @filter = params[:filter]
+      @filter = 'all' unless @valid_filters.include?(@filter)
+    end
+
 end