Nested isn't working, another approach, add trans validations

User a transactions border, select the customer from a view of users and customers

app/components/transactions.rb

@@ -2,7 +2,11 @@ class Transactions < Netzke::Basepack::Grid
   def configure(c)
     super
     c.model = "Transaction"
-    c.strong_default_attrs = { :vendor_id => controller.current_user.id }
+    c.strong_default_attrs = {
+      :vendor_id => controller.current_user.id,
+      :customer_id => session[:selected_user_id],
+      :customer_type => session[:selected_type]
+    }
     c.columns = [
       :amount,
       :item,
@@ -19,49 +23,28 @@ class Transactions < Netzke::Basepack::Grid
   def default_fields_for_forms
     bike_store = Bike.all.map { |b| [b.id, b.serial_number] }
     user_store = User.all.map { |u| [u.id, u.to_s] }
+    customer = User.find_by_id(session[:selected_user_id])
+    customer = "No User Selected" if customer.nil?
     [
+      { :no_binding => true, :xtype => 'label', :text => "Creating Transaction for: #{customer.to_s}"},
       :amount,
       :item,
       { :name => :for_bike, :checkboxName => :bike_item, :inputValue => true, :title => "Selling a bike?",
         :xtype => 'fieldset', :checkboxToggle => true, :collapsed => true, :items => [
           {:xtype => 'combo', :no_binding => true, :name => :bike_id, :title => 'Bike', :fieldLabel => 'Bike', :store => bike_store}
         ]
-      },
-      {
-        xtype: 'fieldcontainer',
-        fieldLabel: 'Customer Type',
-        defaultType: 'radiofield',
-        defaults: {
-          flex: 1
-        },
-        layout: 'hbox',
-        items: [
-          {
-            no_binding: true,
-            boxLabel: 'Customer',
-            name: 'customer_type',
-            inputValue: 'Customer',
-            id: 'customer_radio'
-          },
-          {
-            no_binding: true,
-            boxLabel: 'User',
-            name: 'customer_type',
-            inputValue: 'User',
-            id: 'user_radio'
-          }
-        ]
-      },
-      { :name => :for_user, :checkboxName => :customer_type, :inputValue => true, :title => "Customer a User?",
-        :xtype => 'fieldset', :collapsible => true, :collapsed => true, :items => [
-          {:xtype => 'combo', :no_binding => true, :name => :customer_id, :title => 'User', :fieldLabel => 'User', :store => user_store}
-        ]
-      },
-      { :name => :for_customer, :checkboxName => :customer_type, :inputValue => true, :title => "New Customer?",
-        :xtype => 'fieldset', :collapsible => true, :collapsed => true, :items => [
-          { :xtype => 'textfield', :no_binding => true, :name => 'customer[first_name]'},
-        ]
       }
     ]
   end
+
+  js_configure do |c|
+    c.mixin :init_component
+  end
+
+  endpoint :select_user do |params, this|
+    # store selected boss id in the session for this component's instance
+    session[:selected_user_id] = params[:user_id]
+    session[:selected_type] = 'User'
+  end
+
 end

app/components/transactions_border.rb

@@ -0,0 +1,30 @@
+class TransactionsBorder < Netzke::Base
+  # Remember regions collapse state and size
+  include Netzke::Basepack::ItemPersistence
+  #users and customers components are required for the transactions form
+  component :transactions
+  component :users
+  component :customers
+
+  def configure(c)
+    super
+    c.header = false
+    c.items = [
+     { netzke_component: :transactions, region: :west, width: 300, split: true },
+     { netzke_component: :users, region: :center, width: 300, split: true },
+     { netzke_component: :customers, region: :east, width: 300, split: true }
+    ]
+  end
+
+  js_configure do |c|
+    c.layout = :border
+    c.border = false
+    c.mixin :init_component
+  end
+
+  endpoint :select_customer do |params, this|
+    session[:selected_customer_id] = params[:customer_id]
+    session[:selected_customer_type] = params[:customer_type]
+  end
+  
+end

app/components/transactions_border/javascripts/init_component.js

@@ -0,0 +1,17 @@
+{
+  initComponent: function(){
+    // calling superclass's initComponent
+    this.callParent();
+
+    // setting the 'rowclick' event
+    var user_view = this.getComponent('users').getView();
+    var customer_view = this.getComponent('users').getView();
+    user_view.on('itemclick', function(view, record){
+      // The beauty of using Ext.Direct: calling 3 endpoints in a row, which results in a single call to the server!
+      this.selectCustomer({customer_id: record.get('id'), customer_type: 'User'});
+    }, this);
+    customer_view.on('itemclick', function(view, record){
+      this.selectCustomer({customer_id: record.get('id'), customer_type: 'Customer'});
+    }, this);
+  }
+}

app/models/transaction.rb

@@ -1,22 +1,17 @@
 class Transaction < ActiveRecord::Base
   acts_as_loggable
 
-  attr_accessible :vendor_id, :customer_id, :customer_type, :bike_id, :amount, :item,
-    :customer_attributes
+  attr_accessible :vendor_id, :customer_id, :customer_type, :bike_id, :amount, :item
 
   belongs_to :vendor, :class_name => 'User', :foreign_key => 'vendor_id'
   belongs_to :bike
   belongs_to :customer
 
-  accepts_nested_attributes_for :customer, allow_destroy: false
-
-  before_save :check_customer_type
-
-  def check_customer_type
-    puts "_________------------_________------------_________------------"
-    puts self.inspect
-    puts "_________------------_________------------_________------------"
-  end
+  validates :vendor_id, :presence => true
+  validates :customer_id, :presence => { :message => "Choose a User or Customer"}
+  validates :customer_type, :presence => { :message => "Choose a User or Customer"}
+  validates :amount, :presence => true
+  validates :item, :presence => true
 
   def to_s
     "#{amount} #{item} #{bike_id}"

db/migrate/20121205043759_create_transactions.rb

@@ -2,8 +2,8 @@ class CreateTransactions < ActiveRecord::Migration
   def change
     create_table :transactions do |t|
       t.integer "vendor_id", :null => false
-      t.integer "customer_id"
-      t.integer "customer_type"
+      t.integer "customer_id", :null => false
+      t.integer "customer_type", :null => false
       t.integer "bike_id"
       t.integer "amount", :null => false
       t.string  "item", :null => false