Make transaction datatable actually work

app/controllers/transactions_controller.rb

@@ -1,6 +1,7 @@
 class TransactionsController < ApplicationController
 
   def index
+    p params
     respond_to do |format|
       format.html
       format.json { render json: TransactionDatatable.new(view_context) }

app/datatables/transaction_datatable.rb

@@ -1,12 +1,10 @@
 class TransactionDatatable < AjaxDatatablesRails::Base
 
   def sortable_columns
-    # Declare strings in this format: ModelName.column_name
-    @sortable_columns ||= []
+    @sortable_columns ||= ['Transaction.id']
   end
 
   def searchable_columns
-    # Declare strings in this format: ModelName.column_name
     @searchable_columns ||= []
   end
 
@@ -14,9 +12,7 @@ class TransactionDatatable < AjaxDatatablesRails::Base
 
   def data
     records.map do |record|
-      [
-        record.id, record.debtor.name, record.creditor.name, record.amount
-      ]
+      [ record.id, record.debtor.name, record.creditor.name, record.amount ]
     end
   end
 

app/views/transactions/index.html.haml

@@ -10,9 +10,9 @@
 :javascript
   $(document).ready(function() {
     $('#transactions').DataTable({
-      processing: true,
-      serverSide: true,
-      ajaxSource: $('#transactions').data('source'),
-      pagingType: 'full_numbers'
+      'processing': true,
+      'serverSide': true,
+      'ajax': $('#transactions').data('source'),
+      'pagingType': 'full_numbers'
       });
   });