Save and display creator of Order

app/controllers/orders_controller.rb

@@ -172,4 +172,4 @@ class OrdersController < ApplicationController
     end
     redirect_to order
   end
-end
+end

app/helpers/application_helper.rb

@@ -154,5 +154,11 @@ module ApplicationHelper
     link_to h(address), "http://maps.google.de/?q=#{h(address)}", :title => "Show it on google maps",
       :target => "_blank"
   end
+  
+  # offers a link for writing message to user
+  # checks for nil (useful for relations)
+  def link_to_user_message_if_valid(user)
+    user.nil? ? '??' : ( link_to user.nick, user_message_path(user), :title => _('Nachricht schreiben') )
+  end
 
 end

app/models/order.rb

@@ -11,13 +11,17 @@ class Order < ActiveRecord::Base
   has_many :comments, :class_name => "OrderComment", :order => "created_at"
   has_many :stock_changes
   belongs_to :supplier
-  belongs_to :updated_by, :class_name => "User", :foreign_key => "updated_by_user_id"
+  belongs_to :updated_by, :class_name => 'User', :foreign_key => 'updated_by_user_id'
+  belongs_to :created_by, :class_name => 'User', :foreign_key => 'created_by_user_id'
 
   # Validations
   validates_presence_of :starts
   validate :starts_before_ends, :include_articles
 
   # Callbacks
+  before_create do |order|
+    order.created_by = User.current_user
+  end
   after_update :update_price_of_group_orders
  
   # Finders

app/models/user.rb

@@ -11,6 +11,7 @@ class User < ActiveRecord::Base
   has_many :tasks, :through => :assignments
   has_many :send_messages, :class_name => "Message", :foreign_key => "sender_id"
   has_many :pages, :foreign_key => 'updated_by'
+  has_many :created_orders, :class_name => 'Order', :foreign_key => 'created_by_user_id', :dependent => :nullify
   
   attr_accessor :password, :setting_attributes
 

app/views/ordering/_order_head.haml

@@ -10,6 +10,9 @@
           %p
             %b Lieferantin:
             =h @order.name
+          %p
+            %b Erstellt von:
+            =h link_to_user_message_if_valid(@order.created_by)
           %p
             %b Ende:
             =h format_time(@order.ends)

app/views/ordering/my_order_result.haml

@@ -32,6 +32,9 @@
             %p
               Notiz:
               =h @order.note
+          %p
+            Erstellt von:
+            =h link_to_user_message_if_valid(@order.created_by)
           %p
             Ende:
             %b=h format_time(@order.ends)

app/views/orders/show.haml

@@ -21,6 +21,9 @@
       %p
         Notiz:
         =h @order.note
+    %p
+      Erstellt von:
+      =h link_to_user_message_if_valid(@order.created_by)
     %p
       Beginn:
       %b=h format_time(@order.starts)
@@ -90,4 +93,4 @@
           %br/
           = submit_tag "Kommentar hinzufügen"
 
-    = link_to_top
+    = link_to_top

db/schema.rb

@@ -9,7 +9,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20120622094337) do
+ActiveRecord::Schema.define(:version => 20121112093327) do
 
   create_table "article_categories", :force => true do |t|
     t.string "name",        :default => "", :null => false
@@ -234,6 +234,7 @@ ActiveRecord::Schema.define(:version => 20120622094337) do
     t.integer  "lock_version",                                     :default => 0,      :null => false
     t.integer  "updated_by_user_id"
     t.decimal  "foodcoop_result",    :precision => 8, :scale => 2
+    t.integer  "created_by_user_id"
   end
 
   add_index "orders", ["state"], :name => "index_orders_on_state"