Update datatables for ajax-datatables-rails 1

Resolves:

  - inability to filter, order, or paginate datatables
  - exception AjaxDatatablesRails::Error::InvalidSearchColumn

Continues:

  - 81853d1ef9
  - 83636afee0

app/controllers/admin/registrations_controller.rb

@@ -20,7 +20,7 @@ module Admin
       respond_to do |format|
         format.html
         format.json do
-          render json: RegistrationDatatable.new({}, conference: @conference, view_context: view_context)
+          render json: RegistrationDatatable.new(params, conference: @conference, view_context: view_context)
         end
         format.pdf { render 'index', layout: false }
         format.xlsx do

app/controllers/admin/users_controller.rb

@@ -23,7 +23,7 @@ module Admin
       respond_to do |format|
         format.html
         format.json do
-          render json: UserDatatable.new({}, view_context: view_context)
+          render json: UserDatatable.new(params, view_context: view_context)
         end
       end
     end

app/datatables/registration_datatable.rb

@@ -51,7 +51,7 @@ class RegistrationDatatable < AjaxDatatablesRails::ActiveRecord
   end
 
   # override upstream santitation, which converts everything to strings
-  def sanitize(records)
+  def sanitize_data(records)
     records
   end
 end

app/datatables/user_datatable.rb

@@ -21,7 +21,8 @@ class UserDatatable < AjaxDatatablesRails::ActiveRecord
       email:        { source: 'User.email' },
       name:         { source: 'User.name' },
       attended:     { source: 'attended_count', searchable: false },
-      roles:        { source: 'Role.name' }
+      roles:        { source: 'Role.name' },
+      actions:      { source: 'User.id', searchable: false, orderable: false }
     }
   end
 

app/views/admin/registrations/index.html.haml

@@ -71,13 +71,13 @@
           "searchable": false
         },
         {
-          "data": null,
+          "data": "actions",
           "className": "actions",
           "searchable": false,
           "sortable": false,
           "render":    function (data, type, row, meta) {
             return '<div class="btn-group">'+
-                   '<a class="btn-primary" href="'+data.edit_url+'">Edit</a>'+
+                   '<a class="btn-primary" href="'+row.edit_url+'">Edit</a>'+
                    '</div>';
           }
         }

app/views/admin/users/index.html.haml

@@ -61,13 +61,13 @@
           }
         },
         {
-          "data": null,
+          "data": "actions",
           "className": "actions",
           "sortable": false,
           "render":    function (data, type, row, meta) {
             return '<div class="btn-group">'+
-                   '<a class="btn-info" href="'+data.view_url+'">View</a>'+
-                   '<a class="btn-primary" href="'+data.edit_url+'">Edit</a>'+
+                   '<a class="btn-info" href="'+row.view_url+'">View</a>'+
+                   '<a class="btn-primary" href="'+row.edit_url+'">Edit</a>'+
                    '</div>';
           }
         }