add some columns to datagrid

app/controllers/transactions_controller.rb

@@ -6,7 +6,13 @@ class TransactionsController < ApplicationController
   before_action :authenticate_user_or_client!, only: :create
 
   def index
-    @grid = TransactionsGrid.new(params[:transactions_grid]) do |scope|
+    gridparams = params[:transactions_grid] || Hash.new
+    gridparams = gridparams.merge(
+      order: :created_at,
+      descending: true,
+      current_user: current_user
+    )
+    @grid = TransactionsGrid.new(gridparams) do |scope|
       scope.page(params[:page])
     end
   end

app/grids/transactions_grid.rb

@@ -2,16 +2,31 @@ class TransactionsGrid
 
   include Datagrid
 
+  attr_accessor :current_user
+
   scope do
     Transaction
+    #@current_user.transactions
+    # TODO current user should not be nil
   end
 
-  filter(:id, :integer)
+  self.default_column_options = { order: false }
+
+  column(:created_at, order: true) { |model| model.created_at.to_date }
   filter(:created_at, :date, range: true)
 
-  column(:id)
   column(:amount)
-  column(:created_at) do |model|
-    model.created_at.to_date
-  end
+  filter(:amount, :integer, range: true)
+
+  column(:peer) { |model| model.peer_of(@current_user).try(:name) }
+  #filter(:peer) { |value| where(
+  # TODO extensive?
+
+  column(:issuer) { |model| model.issuer.name }
+  #filter(:issuer) { |value| where("issuer.name LIKE :value", value: "%#{value}%") }
+  # TODO issuer.name needs join
+
+  column(:message)
+  filter(:message) { |value| where("message LIKE :value", value: "%#{value}%") }
+
 end

app/views/transactions/index.html.haml

@@ -1,4 +1,4 @@
-= datagrid_form_for @grid, :method => :get, :url => transactions_path
+= datagrid_form_for @grid, method: :get, url: transactions_path
 = paginate(@grid.assets)
 = datagrid_table @grid
 = paginate(@grid.assets)