From eb4705857b68ab36413ec9355434bc373d97265c Mon Sep 17 00:00:00 2001
From: benni <benni@posteo.de>
Date: Sun, 19 Jun 2011 15:30:33 +0200
Subject: [PATCH] Ordering refactored: Made everything RESTful.

---
 app/controllers/ordering_controller.rb        | 158 +++++-------------
 app/helpers/ordering_helper.rb                |  29 ++++
 app/models/group_order.rb                     |  83 +++++++--
 app/models/group_order_article.rb             |  65 ++++---
 app/models/order.rb                           |   8 +-
 app/views/layouts/_main_tabnav.html.erb       |   2 +-
 app/views/ordering/_data.html.erb             |   4 +-
 app/views/ordering/_footer.html.haml          |  23 +++
 app/views/ordering/_form.html.haml            |  90 ++++++++++
 app/views/ordering/_order_head.haml           |   2 +-
 .../{myOrders.haml => archive.html.haml}      |   2 +-
 app/views/ordering/edit.html.haml             |   1 +
 .../ordering/{index.haml => index.html.haml}  |   9 +-
 app/views/ordering/new.html.haml              |   1 +
 .../{my_order_result.haml => show.html.haml}  |  46 ++---
 app/views/shared/_open_orders.html.haml       |   2 +-
 config/initializers/load_app_config.rb        |   6 +-
 config/routes.rb                              |   4 +-
 public/javascripts/ordering.js                |  27 ++-
 19 files changed, 340 insertions(+), 222 deletions(-)
 create mode 100644 app/helpers/ordering_helper.rb
 create mode 100644 app/views/ordering/_footer.html.haml
 create mode 100644 app/views/ordering/_form.html.haml
 rename app/views/ordering/{myOrders.haml => archive.html.haml} (89%)
 create mode 100644 app/views/ordering/edit.html.haml
 rename app/views/ordering/{index.haml => index.html.haml} (85%)
 create mode 100644 app/views/ordering/new.html.haml
 rename app/views/ordering/{my_order_result.haml => show.html.haml} (69%)

diff --git a/app/controllers/ordering_controller.rb b/app/controllers/ordering_controller.rb
index 54224744..4c57dcda 100644
--- a/app/controllers/ordering_controller.rb
+++ b/app/controllers/ordering_controller.rb
@@ -3,71 +3,51 @@
 class OrderingController < ApplicationController
   # Security
   before_filter :ensure_ordergroup_member
-  before_filter :ensure_open_order, :only => [:order, :stock_order, :saveOrder]
+  before_filter :ensure_open_order, :only => [:new, :create, :edit, :update, :order, :stock_order, :saveOrder]
 
   # Index page.
   def index
   end
 
-  # Edit a current order.
-  def order
-    redirect_to :action => 'stock_order', :id => @order if @order.stockit?
+  def new
+    @group_order = @order.group_orders.build(:ordergroup => @ordergroup, :updated_by => current_user)
+    @ordering_data = @group_order.load_data
+  end
 
-    # Load order article data...
-    @articles_grouped_by_category = @order.articles_grouped_by_category
-    # save results of earlier orders in array
-    ordered_articles = Array.new
-    @group_order = @order.group_orders.find(:first,
-                                            :conditions => "ordergroup_id = #{@ordergroup.id}", :include => :group_order_articles)
-
-    if @group_order
-      # Group has already ordered, so get the results...
-      for goa in @group_order.group_order_articles
-        ordered_articles[goa.order_article_id] = {:quantity => goa.quantity,
-                                                  :tolerance => goa.tolerance,
-                                                  :quantity_result => goa.result(:quantity),
-                                                  :tolerance_result => goa.result(:tolerance)}
-      end
-      @version = @group_order.lock_version
-      @availableFunds = @ordergroup.get_available_funds(@group_order)
-    else
-      @version = 0
-      @availableFunds = @ordergroup.get_available_funds
+  def create
+    @group_order = GroupOrder.new(params[:group_order])
+    begin
+      @group_order.save_ordering!
+      redirect_to group_order_url(@group_order), :notice => 'Die Bestellung wurde gespeichert.'
+    rescue ActiveRecord::StaleObjectError
+      redirect_to group_orders_url, :alert => 'In der Zwischenzeit hat jemand anderes auch bestellt, daher konnte die Bestellung nicht aktualisiert werden.'
+    rescue => exception
+      logger.error('Failed to update order: ' + exception.message)
+      redirect_to group_orders_url, :alert => 'Die Bestellung konnte nicht aktualisiert werden, da ein Fehler auftrat.'
     end
+  end
 
-    # load prices ....
-    @price = Array.new; @unit = Array.new;
-    @others_quantity = Array.new; @quantity = Array.new; @quantity_result = Array.new; @used_quantity = Array.new; @unused_quantity = Array.new
-    @others_tolerance = Array.new; @tolerance = Array.new; @tolerance_result = Array.new; @used_tolerance = Array.new; @unused_tolerance = Array.new
-    i = 0;
-    @articles_grouped_by_category.each do |category_name, order_articles|
-      for order_article in order_articles
-        # price/unit size
-        @price[i] = order_article.article.fc_price
-        @unit[i] = order_article.article.unit_quantity
-        # quantity
-        @quantity[i] = (ordered_articles[order_article.id] ? ordered_articles[order_article.id][:quantity] : 0)
-        @others_quantity[i] = order_article.quantity - @quantity[i]
-        @used_quantity[i] = (ordered_articles[order_article.id] ? ordered_articles[order_article.id][:quantity_result] : 0)
-        # tolerance
-        @tolerance[i] = (ordered_articles[order_article.id] ? ordered_articles[order_article.id][:tolerance] : 0)
-        @others_tolerance[i] = order_article.tolerance - @tolerance[i]
-        @used_tolerance[i] = (ordered_articles[order_article.id] ? ordered_articles[order_article.id][:tolerance_result] : 0)
-        i += 1
-      end
-    end
+  def show
+    @group_order = GroupOrder.find(params[:id])
+    @order= @group_order.order
+  end
 
-    @add_data_to_js = []
-    if Foodsoft.config[:tolerance_is_costly]
-      for i in 0...@price.size
-        @add_data_to_js << [@price[i], @unit[i], @price[i] * (@tolerance[i] + @quantity[i]), @others_quantity[i],
-                           @others_tolerance[i], @used_quantity[i], 0]
-      end
-    else
-      for j in 0...@price.size
-        @add_data_to_js << [@price[j], @unit[j], @price[j] * @quantity[j], @others_quantity[j],
-                           @others_tolerance[j], @used_quantity[j], 0]
-      end
+  def edit
+    @group_order = GroupOrder.find(params[:id])
+    @ordering_data = @group_order.load_data
+  end
+
+  def update
+    @group_order = GroupOrder.find(params[:id])
+    @group_order.attributes = params[:group_order]
+    begin
+      @group_order.save_ordering!
+      redirect_to group_order_url(@group_order), :notice => 'Die Bestellung wurde gespeichert.'
+    rescue ActiveRecord::StaleObjectError
+      redirect_to group_orders_url, :alert => 'In der Zwischenzeit hat jemand anderes auch bestellt, daher konnte die Bestellung nicht aktualisiert werden.'
+    rescue => exception
+      logger.error('Failed to update order: ' + exception.message)
+      redirect_to group_orders_url, :alert => 'Die Bestellung konnte nicht aktualisiert werden, da ein Fehler auftrat.'
     end
   end
 
@@ -112,68 +92,9 @@ class OrderingController < ApplicationController
     end
   end
 
-  # Update changes to a current order.
-  def saveOrder
-    if (params[:total_balance].to_i < 0)  #TODO: Better use a real test on sufficiant funds
-      flash[:error] = 'Der Bestellwert übersteigt das verfügbare Guthaben.'
-      redirect_to :action => 'order'
-    elsif (ordered = params[:ordered])
-      begin
-        Order.transaction do
-          # Try to find group_order
-          group_order = @order.group_orders.first :conditions => "ordergroup_id = #{@ordergroup.id}",
-                                                  :include => [:group_order_articles]
-          # Create group order if necessary...
-          unless group_order.nil?
-            # check for conflicts well ahead
-            if (params[:version].to_i != group_order.lock_version)
-              raise ActiveRecord::StaleObjectError
-            end
-          else
-            group_order = @ordergroup.group_orders.create!(:order => @order, :updated_by => @current_user, :price => 0)
-          end
-
-          # Create/update group_order_articles...
-          for order_article in @order.order_articles
-
-            # Find the group_order_article, create a new one if necessary...
-            group_order_article = group_order.group_order_articles.detect { |v| v.order_article_id == order_article.id }
-            if group_order_article.nil?
-              group_order_article = group_order.group_order_articles.create(:order_article_id => order_article.id)
-            end
-
-            # Get ordered quantities and update group_order_articles/_quantities...
-            quantities = ordered.fetch(order_article.id.to_s, {:quantity => 0, :tolerance => 0})
-            group_order_article.update_quantities(quantities[:quantity].to_i, quantities[:tolerance].to_i)
-
-            # Also update results for the order_article
-            order_article.update_results!
-          end
-
-          group_order.update_price!
-          group_order.update_attribute(:updated_by, @current_user)
-        end
-        flash[:notice] = 'Die Bestellung wurde gespeichert.'
-      rescue ActiveRecord::StaleObjectError
-        flash[:error] = 'In der Zwischenzeit hat jemand anderes auch bestellt, daher konnte die Bestellung nicht aktualisiert werden.'
-      rescue => exception
-        logger.error('Failed to update order: ' + exception.message)
-        flash[:error] = 'Die Bestellung konnte nicht aktualisiert werden, da ein Fehler auftrat.'
-      end
-      redirect_to :action => 'my_order_result', :id => @order
-    end
-  end
-
-  # Shows the Result for the Ordergroup the current user belongs to
-  # this method decides between finished and unfinished orders
-  def my_order_result
-    @order= Order.find(params[:id])
-    @group_order = @order.group_order(@ordergroup)
-  end
-
   # Shows all Orders of the Ordergroup
   # if selected, it shows all orders of the foodcoop
-  def myOrders
+  def archive
     # get only orders belonging to the ordergroup
     @closed_orders = Order.paginate :page => params[:page], :per_page => 10,
                                     :conditions => { :state => 'closed' }, :order => "orders.ends DESC"
@@ -194,7 +115,7 @@ class OrderingController < ApplicationController
     else
       flash[:error] = "Kommentar konnte nicht erstellt werden. Leerer Kommentar?"
     end
-    redirect_to :action => 'my_order_result', :id => order
+    redirect_to :action => 'show', :id => order
   end
 
   private
@@ -209,7 +130,8 @@ class OrderingController < ApplicationController
   end
 
   def ensure_open_order
-    @order = Order.find(params[:id], :include => [:supplier, :order_articles])
+    @order = Order.find((params[:order_id] || params[:group_order][:order_id]),
+                        :include => [:supplier, :order_articles])
     unless @order.open?
       flash[:notice] = 'Diese Bestellung ist bereits abgeschlossen.'
       redirect_to :action => 'index'
diff --git a/app/helpers/ordering_helper.rb b/app/helpers/ordering_helper.rb
new file mode 100644
index 00000000..3e0c9494
--- /dev/null
+++ b/app/helpers/ordering_helper.rb
@@ -0,0 +1,29 @@
+module OrderingHelper
+  def data_to_js(ordering_data)
+    ordering_data[:order_articles].map do |id, data|
+      if Foodsoft.config[:tolerance_is_costly]
+        [id, data[:price], data[:unit], data[:price] * (data[:tolerance] + data[:quantity]), data[:others_quantity], data[:others_tolerance], data[:used_quantity], 0]
+      else
+        [id, data[:price], data[:unit], data[:price] * data[:quantity], data[:others_quantity], data[:others_tolerance], data[:used_quantity], 0]
+      end
+    end
+  end
+
+  def link_to_ordering(order)
+    path = if group_order = order.group_order(current_user.ordergroup)
+             edit_group_order_path(group_order, :order_id => order.id)
+           else
+             new_group_order_path(:order_id => order.id)
+           end
+    link_to order.name, path
+  end
+
+  # Return css class names for order result table
+  def order_article_class_name(quantity, tolerance, result)
+    if (quantity + tolerance > 0)
+      result > 0 ? 'success' : 'failed'
+    else
+      'ignored'
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/models/group_order.rb b/app/models/group_order.rb
index 90b4ede8..b3af1b28 100644
--- a/app/models/group_order.rb
+++ b/app/models/group_order.rb
@@ -1,6 +1,8 @@
 # A GroupOrder represents an Order placed by an Ordergroup.
 class GroupOrder < ActiveRecord::Base
-  
+
+  attr_accessor :group_order_articles_attributes
+
   belongs_to :order
   belongs_to :ordergroup
   has_many :group_order_articles, :dependent => :destroy
@@ -14,27 +16,74 @@ class GroupOrder < ActiveRecord::Base
 
   scope :open, lambda { {:conditions => ["order_id IN (?)", Order.open.collect(&:id)]} }
   scope :finished, lambda { {:conditions => ["order_id IN (?)", Order.finished_not_closed.collect(&:id)]} }
-  
-  # Updates the "price" attribute.
-  # Until the order is finished this will be the maximum price or
-  # the minimum price depending on configuration. When the order is finished it
-  # will be the value depending of the article results.
-  def update_price!
-    total = 0
-    for article in group_order_articles.find(:all, :include => :order_article)
-      unless order.finished?
-        if Foodsoft.config[:tolerance_is_costly]
-          total += article.order_article.article.fc_price * (article.quantity + article.tolerance)
-        else
-          total += article.order_article.article.fc_price * article.quantity
-        end
-      else
-        total += article.order_article.price.fc_price * article.result
+
+  # Generate some data for the javascript methods in ordering view
+  def load_data
+    data = {}
+    data[:available_funds] = ordergroup.get_available_funds(self)
+
+    unless new_record?
+      # Group has already ordered, so get the results...
+      goas = {}
+      group_order_articles.all.each do |goa|
+        goas[goa.order_article_id] = {:quantity => goa.quantity,
+                                 :tolerance => goa.tolerance,
+                                 :quantity_result => goa.result(:quantity),
+                                 :tolerance_result => goa.result(:tolerance)}
       end
     end
+
+    # load prices ....
+    data[:order_articles] = {}
+    order.order_articles.each do |order_article|
+      data[:order_articles][order_article.id] = {
+          :price => order_article.article.fc_price,
+          :unit => order_article.article.unit_quantity,
+          :quantity => (new_record? ? 0 : goas[order_article.id][:quantity]),
+          :others_quantity => order_article.quantity - (new_record? ? 0 : goas[order_article.id][:quantity]),
+          :used_quantity => (new_record? ? 0 : goas[order_article.id][:quantity_result]),
+          :tolerance => (new_record? ? 0 : goas[order_article.id][:tolerance]),
+          :others_tolerance => order_article.tolerance - (new_record? ? 0 : goas[order_article.id][:tolerance]),
+          :used_tolerance => (new_record? ? 0 : goas[order_article.id][:tolerance_result])
+      }
+    end
+
+    data
+  end
+
+  def save_group_order_articles
+    for order_article in order.order_articles
+      # Find the group_order_article, create a new one if necessary...
+      group_order_article = group_order_articles.find_or_create_by_order_article_id(order_article.id)
+
+      # Get ordered quantities and update group_order_articles/_quantities...
+      quantities = group_order_articles_attributes.fetch(order_article.id.to_s, {:quantity => 0, :tolerance => 0})
+      group_order_article.update_quantities(quantities[:quantity].to_i, quantities[:tolerance].to_i)
+
+      # Also update results for the order_article
+      logger.debug "[save_group_order_articles] update order_article.results!"
+      order_article.update_results!
+    end
+
+    # set attributes to nil to avoid and infinite loop of
+  end
+
+  # Updates the "price" attribute.
+  def update_price!
+    total = group_order_articles.includes(:order_article => :article).all.map(&:total_price).sum
     update_attribute(:price, total)
   end
 
+
+  # Save GroupOrder and updates group_order_articles/quantities accordingly
+  def save_ordering!
+    transaction do
+      save!
+      save_group_order_articles
+      update_price!
+    end
+  end
+
 end
 
 # == Schema Information
diff --git a/app/models/group_order_article.rb b/app/models/group_order_article.rb
index 9f680551..76255347 100644
--- a/app/models/group_order_article.rb
+++ b/app/models/group_order_article.rb
@@ -14,15 +14,10 @@ class GroupOrderArticle < ActiveRecord::Base
   validates_inclusion_of :tolerance, :in => 0..99
   validates_uniqueness_of :order_article_id, :scope => :group_order_id    # just once an article per group order
 
-  attr_accessor :ordergroup_id  # To create an new GroupOrder if neccessary
-
   scope :ordered, :conditions => 'result > 0'
 
-  # Custom attribute setter that accepts decimal numbers using localized decimal separator.
-  def result=(result)
-    self[:result] = String.delocalized_decimal(result)
-  end
-  
+  localize_input_of :result
+
   # Updates the quantity/tolerance for this GroupOrderArticle by updating both GroupOrderArticle properties 
   # and the associated GroupOrderArticleQuantities chronologically.
   # 
@@ -30,17 +25,17 @@ class GroupOrderArticle < ActiveRecord::Base
   def update_quantities(quantity, tolerance)
     logger.debug("GroupOrderArticle[#{id}].update_quantities(#{quantity}, #{tolerance})")
     logger.debug("Current quantity = #{self.quantity}, tolerance = #{self.tolerance}")
-    
+
     # Get quantities ordered with the newest item first.
     quantities = group_order_article_quantities.find(:all, :order => 'created_on desc')
     logger.debug("GroupOrderArticleQuantity items found: #{quantities.size}")
 
-    if (quantities.size == 0) 
+    if (quantities.size == 0)
       # There is no GroupOrderArticleQuantity item yet, just insert with desired quantities...
       logger.debug("No quantities entry at all, inserting a new one with the desired quantities")
       quantities.push(GroupOrderArticleQuantity.new(:group_order_article => self, :quantity => quantity, :tolerance => tolerance))
-      self.quantity, self.tolerance = quantity, tolerance      
-    else    
+      self.quantity, self.tolerance = quantity, tolerance
+    else
       # Decrease quantity/tolerance if necessary by going through the existing items and decreasing their values...
       i = 0
       while (i < quantities.size && (quantity < self.quantity || tolerance < self.tolerance))
@@ -50,31 +45,31 @@ class GroupOrderArticle < ActiveRecord::Base
           delta = (delta > quantities[i].quantity ? quantities[i].quantity : delta)
           logger.debug("Decreasing quantity by #{delta}")
           quantities[i].quantity -= delta
-          self.quantity -= delta        
+          self.quantity -= delta
         end
         if (tolerance < self.tolerance && quantities[i].tolerance > 0)
           delta = self.tolerance - tolerance
           delta = (delta > quantities[i].tolerance ? quantities[i].tolerance : delta)
           logger.debug("Decreasing tolerance by #{delta}")
           quantities[i].tolerance -= delta
-          self.tolerance -= delta        
+          self.tolerance -= delta
         end
         i += 1
-      end      
+      end
       # If there is at least one increased value: insert a new GroupOrderArticleQuantity object
       if (quantity > self.quantity || tolerance > self.tolerance)
         logger.debug("Inserting a new GroupOrderArticleQuantity")
         quantities.insert(0, GroupOrderArticleQuantity.new(
-          :group_order_article => self, 
-          :quantity => (quantity > self.quantity ? quantity - self.quantity : 0), 
-          :tolerance => (tolerance > self.tolerance ? tolerance - self.tolerance : 0)
+            :group_order_article => self,
+            :quantity => (quantity > self.quantity ? quantity - self.quantity : 0),
+            :tolerance => (tolerance > self.tolerance ? tolerance - self.tolerance : 0)
         ))
         # Recalc totals:
         self.quantity += quantities[0].quantity
-        self.tolerance += quantities[0].tolerance            
+        self.tolerance += quantities[0].tolerance
       end
     end
-      
+
     # Check if something went terribly wrong and quantites have not been adjusted as desired.
     if (self.quantity != quantity || self.tolerance != tolerance)
       raise 'Invalid state: unable to update GroupOrderArticle/-Quantities to desired quantities!'
@@ -82,7 +77,7 @@ class GroupOrderArticle < ActiveRecord::Base
 
     # Remove zero-only items.
     quantities = quantities.reject { | q | q.quantity == 0 && q.tolerance == 0}
-    
+
     # Save
     transaction do
       quantities.each { | i | i.save! }
@@ -90,7 +85,7 @@ class GroupOrderArticle < ActiveRecord::Base
       save!
     end
   end
-  
+
   # Determines how many items of this article the Ordergroup receives.
   # Returns a hash with three keys: :quantity / :tolerance / :total
   # 
@@ -102,15 +97,15 @@ class GroupOrderArticle < ActiveRecord::Base
     # Get total
     total = stockit ? order_article.article.quantity : order_article.units_to_order * order_article.price.unit_quantity
     logger.debug("<#{order_article.article.name}>.unitsToOrder => items ordered: #{order_article.units_to_order} => #{total}")
-       
+
     if (total > 0)
       # In total there are enough units ordered. Now check the individual result for the ordergroup (group_order).
       #
       # Get all GroupOrderArticleQuantities for this OrderArticle...
       order_quantities = GroupOrderArticleQuantity.all(
-        :conditions => ["group_order_article_id IN (?)", order_article.group_order_article_ids], :order => 'created_on')
+          :conditions => ["group_order_article_id IN (?)", order_article.group_order_article_ids], :order => 'created_on')
       logger.debug("GroupOrderArticleQuantity records found: #{order_quantities.size}")
-        
+
       # Determine quantities to be ordered...
       total_quantity = i = 0
       while (i < order_quantities.size && total_quantity < total)
@@ -137,10 +132,10 @@ class GroupOrderArticle < ActiveRecord::Base
           i += 1
         end
       end
-      
+
       logger.debug("determined quantity/tolerance/total: #{quantity} / #{tolerance} / #{quantity + tolerance}")
     end
-    
+
     {:quantity => quantity, :tolerance => tolerance, :total => quantity + tolerance}
   end
   memoize :calculate_result
@@ -156,7 +151,23 @@ class GroupOrderArticle < ActiveRecord::Base
   def save_results!
     self.update_attribute(:result, calculate_result[:total])
   end
-  
+
+  # Returns total price for this individual article
+  # Until the order is finished this will be the maximum price or
+  # the minimum price depending on configuration. When the order is finished it
+  # will be the value depending of the article results.
+  def total_price
+    unless order_article.order.finished?
+      if Foodsoft.config[:tolerance_is_costly]
+        order_article.article.fc_price * (quantity + tolerance)
+      else
+        order_article.article.fc_price * quantity
+      end
+    else
+      order_article.price.fc_price * result
+    end
+  end
+
 end
 
 
diff --git a/app/models/order.rb b/app/models/order.rb
index cee06608..93b61bee 100644
--- a/app/models/order.rb
+++ b/app/models/order.rb
@@ -85,16 +85,16 @@ class Order < ActiveRecord::Base
   
   # search GroupOrder of given Ordergroup
   def group_order(ordergroup)
-    group_orders.first :conditions => { :ordergroup_id => ordergroup.id }
+    group_orders.where(:ordergroup_id => ordergroup.id).first
   end
  
   # Returns OrderArticles in a nested Array, grouped by category and ordered by article name.
   # The array has the following form:
   # e.g: [["drugs",[teethpaste, toiletpaper]], ["fruits" => [apple, banana, lemon]]]
   def articles_grouped_by_category
-    order_articles.all(:include => [:article, :article_price], :order => 'articles.name').group_by { |a|
-      a.article.article_category.name
-    }.sort { |a, b| a[0] <=> b[0] }
+    order_articles.includes(:article, :article_price).order('articles.name').
+        group_by { |a|  a.article.article_category.name }.
+        sort { |a, b| a[0] <=> b[0] }
   end
   memoize :articles_grouped_by_category
 
diff --git a/app/views/layouts/_main_tabnav.html.erb b/app/views/layouts/_main_tabnav.html.erb
index 1778582a..d109256f 100644
--- a/app/views/layouts/_main_tabnav.html.erb
+++ b/app/views/layouts/_main_tabnav.html.erb
@@ -28,7 +28,7 @@
         :active => ["orders", "ordering"],
         :subnav => [
           { :name => "Bestellen!", :url => ordering_path },
-          { :name => "Meine Bestellungen", :url => my_orders_path },
+          { :name => "Meine Bestellungen", :url => archive_group_orders_path },
           { :name => "Bestellverwaltung", :url => orders_path, :access_denied? => (!u.role_orders?) }
         ]
       },
diff --git a/app/views/ordering/_data.html.erb b/app/views/ordering/_data.html.erb
index 724477da..2bab910d 100644
--- a/app/views/ordering/_data.html.erb
+++ b/app/views/ordering/_data.html.erb
@@ -1,10 +1,10 @@
 <script>
 //<![CDATA[
     $(function() {
-        <% for row in @add_data_to_js %>
+        <% for row in data_to_js(@ordering_data) %>
         addData(<%= row.join(", ") %>);
         <% end %>
-        setGroupBalance(<%= @availableFunds %>);
+        setGroupBalance(<%= @ordering_data[:available_funds] %>);
 
     // localization
         setDecimalSeparator(",");
diff --git a/app/views/ordering/_footer.html.haml b/app/views/ordering/_footer.html.haml
new file mode 100644
index 00000000..44ff391e
--- /dev/null
+++ b/app/views/ordering/_footer.html.haml
@@ -0,0 +1,23 @@
+#order-footer
+  #info-box
+  #total-sum
+    %table
+      %tr
+        %td Gesamtbetrag:
+        %td.currency
+          %span#total_price= total
+          €
+      %tr
+        %td Verfügbares Guthaben:
+        %td.currency= number_to_currency(@ordering_data[:available_funds])
+      %tr
+        %td Neuer Kontostand:
+        %td.currency
+          %strong
+            %span#new_balance= @ordergroup.account_balance - total
+            €
+    #order-button
+      = submit_tag( "Bestellung speichern", :id => 'submit_button' )
+      oder #{link_to "abbrechen", :controller => 'ordering'}
+%input#total_balance{:name => "total_balance", :type => "hidden", :value => @ordergroup.account_balance - total}/
+%input{:name => "version", :type => "hidden", :value => @version}/
diff --git a/app/views/ordering/_form.html.haml b/app/views/ordering/_form.html.haml
new file mode 100644
index 00000000..bc399ba6
--- /dev/null
+++ b/app/views/ordering/_form.html.haml
@@ -0,0 +1,90 @@
+- content_for :head do
+  = render 'data'
+
+= render :partial => 'order_head'
+
+- form_for @group_order do |f|
+  = f.hidden_field :lock_version
+  = f.hidden_field :order_id
+  = f.hidden_field :updated_by_user_id
+  = f.hidden_field :ordergroup_id
+  .single_column{:style => "clear:both;margin-bottom:7em;"}
+    .box_title
+      %h2 Artikel
+    .column_content
+      %table#order.list
+        %thead
+          %tr
+            %th Name
+            %th{:style => "width:13px;"}
+            %th{:style => "width:4.5em;"} Preis
+            %th{:style => "width:4.5em;"} Einheit
+            %th{:style => "width:70px;"} Fehlende Einheiten
+            %th#col_required Menge
+            - if not @order.stockit?
+              %th#col_tolerance Toleranz
+            %th{:style => "width:15px;"} Summe
+        %tbody
+          - total = 0
+          - @order.articles_grouped_by_category.each do |category, order_articles|
+            %tr{:style => "background-color:#EFEFEF"}
+              %td{:style => "text-align:left"}
+                %b= h category
+              %td{:colspan => "9"}
+            - order_articles.each do |order_article|
+              - if Foodsoft.config[:tolerance_is_costly]
+                - article_total = @ordering_data[:order_articles][order_article.id][:price] * (@ordering_data[:order_articles][order_article.id][:tolerance] + @ordering_data[:order_articles][order_article.id][:quantity])
+              - else
+                - article_total = @ordering_data[:order_articles][order_article.id][:price] * @ordering_data[:order_articles][order_article.id][:quantity]
+              - total += article_total
+              %tr{:class => "#{cycle('even', 'odd', :name => 'articles')} order-article", :valign => "top"}
+                %td.name= order_article.article.name
+                %td= h order_article.article.origin
+                %td= number_to_currency(@ordering_data[:order_articles][order_article.id][:price])
+                %td= order_article.article.unit
+                %td
+                  %span{:id => "missing_units_#{order_article.id}"}
+                    - if @order.stockit?
+                      - order_article.article.quantity_available
+                    - else
+                      - missing_units = @ordering_data[:order_articles][order_article.id][:unit] - (((@ordering_data[:order_articles][order_article.id][:quantity] + @ordering_data[:order_articles][order_article.id][:others_quantity]) % @ordering_data[:order_articles][order_article.id][:unit]) + @ordering_data[:order_articles][order_article.id][:tolerance] + @ordering_data[:order_articles][order_article.id][:others_tolerance])
+                      - missing_units < 0 ? 0 : missing_units
+                %td.quantity
+                  %input{:id => "q_#{order_article.id}", :name => "group_order[group_order_articles_attributes][#{order_article.id}][quantity]", :size => "2", :type => "hidden", :value => @ordering_data[:order_articles][order_article.id][:quantity]}/
+                  %span.used{:id => "q_used_#{order_article.id}"}= @ordering_data[:order_articles][order_article.id][:used_quantity]
+                  +
+                  %span.unused{:id => "q_unused_#{order_article.id}"}= @ordering_data[:order_articles][order_article.id][:quantity] - @ordering_data[:order_articles][order_article.id][:used_quantity]
+                  %input{:type => 'button', :value => '+', 'data-increase_quantity' => order_article.id}
+                  %input{:type => 'button', :value => '-', 'data-decrease_quantity' => order_article.id}
+                - unless @order.stockit?
+                  %td.tolerance
+                    %input{:id => "t_#{order_article.id}", :name => "group_order[group_order_articles_attributes][#{order_article.id}][tolerance]", :size => "2", :type => "hidden", :value => @ordering_data[:order_articles][order_article.id][:tolerance]}/
+                    - if (@ordering_data[:order_articles][order_article.id][:unit] > 1)
+                      %span.used{:id => "t_used_#{order_article.id}"}= @ordering_data[:order_articles][order_article.id][:used_tolerance]
+                      +
+                      %span.unused{:id => "t_unused_#{order_article.id}"}= @ordering_data[:order_articles][order_article.id][:tolerance] - @ordering_data[:order_articles][order_article.id][:used_tolerance]
+                      %input{:type => 'button', :value => '+', 'data-increase_tolerance' => order_article.id}
+                      %input{:type => 'button', :value => '-', 'data-decrease_tolerance' => order_article.id}
+                %td{:id => "td_price_#{order_article.id}", :style => "text-align:right; padding-right:10px; width:4em"}
+                  %span{:id => "price_#{order_article.id}_display"}= number_to_currency(article_total, :unit => "")
+                  €
+                  .article-info
+                    %h3= order_article.article.name
+                    .right
+                      Volle Gebinde:
+                      %span{:id => "units_#{order_article.id}"}= order_article.units_to_order
+                      %br/
+                      Gesamt-Einheiten:
+                      %span{:id => "q_total_#{order_article.id}"}= @ordering_data[:order_articles][order_article.id][:quantity] + @ordering_data[:order_articles][order_article.id][:others_quantity]
+                      %br/
+                      Gesamt-Toleranz:
+                      %span{:id => "t_total_#{order_article.id}"}= @ordering_data[:order_articles][order_article.id][:tolerance] + @ordering_data[:order_articles][order_article.id][:others_tolerance]
+                      %br/
+                    .left
+                      Hersteller: #{order_article.article.manufacturer}
+                      %br/
+                      Gebinde: #{@order.stockit? ? order_article.article.quantity_available : @ordering_data[:order_articles][order_article.id][:unit]} * #{h order_article.article.unit}
+                      %br/
+                      Notiz: #{order_article.article.note}
+                      %br/
+  = render "footer", :total => total
\ No newline at end of file
diff --git a/app/views/ordering/_order_head.haml b/app/views/ordering/_order_head.haml
index 126fe200..079201e6 100644
--- a/app/views/ordering/_order_head.haml
+++ b/app/views/ordering/_order_head.haml
@@ -20,7 +20,7 @@
               = "(#{format_time(@group_order.updated_on)})"
           %p
             %b Verfügbares Guthaben:
-            = number_to_currency(@availableFunds)
+            = number_to_currency(@ordering_data[:available_funds])
         %td
           - unless @order.note.empty?
             %p
diff --git a/app/views/ordering/myOrders.haml b/app/views/ordering/archive.html.haml
similarity index 89%
rename from app/views/ordering/myOrders.haml
rename to app/views/ordering/archive.html.haml
index 72f97c11..f3193129 100644
--- a/app/views/ordering/myOrders.haml
+++ b/app/views/ordering/archive.html.haml
@@ -1,7 +1,7 @@
 - title "Bestellungen der #{@ordergroup.name}"
 %p
   Siehe hier alle
-  = link_to "laufenden Bestellungen.", :action => "index"
+  = link_to "laufenden Bestellungen.", ordering_path
 
 .single_column{:style => "width:50em"}
   .box_title
diff --git a/app/views/ordering/edit.html.haml b/app/views/ordering/edit.html.haml
new file mode 100644
index 00000000..86842fe7
--- /dev/null
+++ b/app/views/ordering/edit.html.haml
@@ -0,0 +1 @@
+= render 'form'
\ No newline at end of file
diff --git a/app/views/ordering/index.haml b/app/views/ordering/index.html.haml
similarity index 85%
rename from app/views/ordering/index.haml
rename to app/views/ordering/index.html.haml
index 0bbd3203..3f074b10 100644
--- a/app/views/ordering/index.haml
+++ b/app/views/ordering/index.html.haml
@@ -10,18 +10,17 @@
         %td Kontostand:
         %td{:class => "currency", :style => "width:5em"}= number_to_currency(@ordergroup.account_balance)
       %tr
-        %td - laufende Bestellungen:
+        %td= "- laufende Bestellungen:"
         %td{:class => "currency"}= number_to_currency(@ordergroup.value_of_open_orders)
       %tr
-        %td - nicht abgerechnete Bestellungen:
+        %td= "- nicht abgerechnete Bestellungen:"
         %td{:class => "currency"}= number_to_currency(@ordergroup.value_of_finished_orders)
       %tr
         %th verfügbares Guthaben:
         %th{:class => "currency"}= number_to_currency(@ordergroup.get_available_funds)
 
 .right_column{:style => "width:70%"}
-  // open orders
-  = render :partial => "shared/open_orders"
+  = render :partial => "shared/open_orders", :locals => {:ordergroup => @ordergroup}
 
   // finished orders
   - unless Order.finished.empty?
@@ -41,4 +40,4 @@
     .column_content
       = render :partial => "orders", :locals => {:orders => Order.closed.all(:limit => 5), :pagination => false}
       %br/
-      = link_to "mehr...", :action => "myOrders"
\ No newline at end of file
+      = link_to "mehr...", archive_group_orders_path
\ No newline at end of file
diff --git a/app/views/ordering/new.html.haml b/app/views/ordering/new.html.haml
new file mode 100644
index 00000000..86842fe7
--- /dev/null
+++ b/app/views/ordering/new.html.haml
@@ -0,0 +1 @@
+= render 'form'
\ No newline at end of file
diff --git a/app/views/ordering/my_order_result.haml b/app/views/ordering/show.html.haml
similarity index 69%
rename from app/views/ordering/my_order_result.haml
rename to app/views/ordering/show.html.haml
index 14d5b6c7..3eb3e247 100644
--- a/app/views/ordering/my_order_result.haml
+++ b/app/views/ordering/show.html.haml
@@ -1,21 +1,10 @@
 - content_for :head do
   :javascript
-    document.observe("dom:loaded", function() {
-      // initially hide all ignored articles
-      $$('tr.ignored').invoke('hide');
+    $(function() {
+      $('tr.ignored').hide();
     });
-    function toggleIgnoredArticles() {
-      $$('tr.ignored').invoke('toggle');
-    };
-
 
 - title "Dein Bestellergebnis für #{@order.name}"
-#element_navigation
-  = link_to_unless @order.previous == @order, "<< #{@order.previous.name}", :action => "my_order_result", :id => @order.previous
-  |
-  = link_to "Übersicht", :controller => 'ordering'
-  |
-  = link_to_unless @order.next == @order, "#{@order.next.name} >>", :action => "my_order_result", :id => @order.next
 
 // Order summary
 .left_column{:style => "width:45em"}
@@ -54,7 +43,7 @@
     %table
       - for order in Order.open
         %tr
-          %td= link_to order.name, :action => 'order', :id => order
+          %td= link_to_ordering(order)
           %td= "("+ time_ago_in_words(order.ends) + ")" if order.ends
 
 // Article box
@@ -63,8 +52,8 @@
     %h2 Artikelübersicht
   .column_content#result
     - if @group_order
-      %p(style="float:right")= link_to_function "Zeige/Verstecke nicht bestellte Artikel", "toggleIgnoredArticles();"
-      %p= link_to("Bestellung ändern", :action => "order", :id => @order) if @order.open?
+      %p(style="float:right")= link_to "Zeige/Verstecke nicht bestellte Artikel", '#', 'data-toggle-this' => 'tr.ignored'
+      %p= link_to("Bestellung ändern", edit_group_order_path(@group_order, :order_id => @order.id)) if @order.open?
       %table.list
         %thead
           %tr
@@ -87,26 +76,13 @@
               %td{:colspan => "9"}
             - for oa in order_articles
               - # get the order-results for the ordergroup
-              - goa = oa.group_order_articles.first :conditions => {:group_order_id => @group_order.id}
-              - if goa
-                - quantity = goa.quantity
-                - tolerance = goa.tolerance
-                - result = goa.result
-                - if @order.open?
-                  - if Foodsoft.config[:tolerance_is_costly]
-                    - sub_total = oa.price.fc_price * (quantity + tolerance)
-                  - else
-                    - sub_total = oa.price.fc_price * quantity
-                - else
-                  - sub_total = oa.price.fc_price * result
-              - else
-                - quantity, tolerance, result, sub_total = 0, 0, 0, 0
+              - goa = oa.group_order_articles.find_by_group_order_id(@group_order.id)
+              - quantity = goa.quantity
+              - tolerance = goa.tolerance
+              - result = goa.result
+              - sub_total = goa.total_price
               - total += sub_total
-              - # give the article different colors, dependent on order-result
-              - class_name = "ignored"
-              - if (quantity + tolerance > 0)
-                - class_name = result > 0 ? 'success' : 'failed'
-              %tr{:class => cycle('even', 'odd', :name => 'articles') + " " + class_name}
+              %tr{:class => cycle('even', 'odd', :name => 'articles') + " " + order_article_class_name(quantity, tolerance, result)}
                 %td{:style => "width:40%"}
                   =h oa.article.name
                   - unless oa.article.note.blank?
diff --git a/app/views/shared/_open_orders.html.haml b/app/views/shared/_open_orders.html.haml
index d8be3ea2..b301ec06 100644
--- a/app/views/shared/_open_orders.html.haml
+++ b/app/views/shared/_open_orders.html.haml
@@ -13,7 +13,7 @@
         - total = 0
         - Order.open.each do |order|
           %tr{:class => cycle('even', 'odd', :name => 'open_orders')}
-            %td= link_to h(order.name), :controller => 'ordering', :action => 'order', :id => order
+            %td= link_to_ordering(order)
             %td=h format_time(order.ends) unless order.ends.nil?
             - if group_order = order.group_order(ordergroup)
               - total += group_order.price
diff --git a/config/initializers/load_app_config.rb b/config/initializers/load_app_config.rb
index b9897c3e..601dfd11 100644
--- a/config/initializers/load_app_config.rb
+++ b/config/initializers/load_app_config.rb
@@ -2,8 +2,8 @@
 # TODO: When to use class or module. It seems this could also be a Foodsoft-class?
 module Foodsoft
   mattr_accessor :env, :config, :database
-  CONFIGS = YAML.load(File.read(RAILS_ROOT + "/config/app_config.yml"))
-  DATABASES = YAML.load(File.read(RAILS_ROOT + "/config/database.yml"))
+  CONFIGS = YAML.load(File.read(File.join(Rails.root, "/config/app_config.yml")))
+  DATABASES = YAML.load(File.read(File.join(Rails.root, "/config/database.yml")))
 
   class << self
     def env=(env)
@@ -15,7 +15,7 @@ module Foodsoft
   end
 end
 # Initial load the default config and database from rails environment
-Foodsoft.env = RAILS_ENV
+Foodsoft.env = Rails.env
 
 # Set action mailer default host for url generating
 url_options = {
diff --git a/config/routes.rb b/config/routes.rb
index fc864351..ca012ddd 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -39,7 +39,9 @@ Foodsoft::Application.routes.draw do
       end
     end
 
-    match '/ordering/myOrders' => 'ordering#myOrders', :as => 'my_orders'
+    resources :group_orders, :controller => 'ordering', :path => 'ordering' do
+      get :archive, :on => :collection
+    end
     match '/ordering' => 'ordering#index', :as => 'ordering'
 
     ############ Foodcoop orga
diff --git a/public/javascripts/ordering.js b/public/javascripts/ordering.js
index 84830fbf..3f7e54b5 100644
--- a/public/javascripts/ordering.js
+++ b/public/javascripts/ordering.js
@@ -31,8 +31,8 @@ function setGroupBalance(amount) {
     groupBalance = amount;
 }
 
-function addData(itemPrice, itemUnit, itemSubtotal, itemQuantityOthers, itemToleranceOthers, allocated, available) {
-    i = price.length;
+function addData(orderArticleId, itemPrice, itemUnit, itemSubtotal, itemQuantityOthers, itemToleranceOthers, allocated, available) {
+    i = orderArticleId;
     price[i] = itemPrice;
     unit[i] = itemUnit;
     itemTotal[i] = itemSubtotal;
@@ -77,7 +77,7 @@ function update(item, quantity, tolerance) {
     // calculate how many units would be ordered in total
     units = calcUnits(unit[item], quantityOthers[item] + Number(quantity), toleranceOthers[item] + Number(tolerance));
     if (unitCompletedFromTolerance(unit[item], quantityOthers[item] + Number(quantity), toleranceOthers[item] + Number(tolerance))) {
-        $('#units_' + item).html('<span style="color:grey">' + String(units) + "</span>");
+        $('#units_' + item).html('<span style=\"color:grey\">' + String(units) + '</span>');
     } else {
         $('#units_' + item).html(String(units));
     }
@@ -140,7 +140,7 @@ function updateStockQuantity(item, quantity) {
     modified = true
 
     // update hidden input fields
-    $('#q_' + item).val() = quantity;
+    $('#q_' + item).val(quantity);
 
     // update used/unused quantity
     available = Math.max(0, quantityAvailable[item] - quantityOthers[item]);
@@ -179,7 +179,7 @@ function unitCompletedFromTolerance(unitSize, quantity, tolerance) {
 function updateBalance() {
     // update total price and order balance
     total = 0;
-    for (i = 0; i < itemTotal.length; i++) {
+    for (i in itemTotal) {
         total += itemTotal[i];
     }
     $('#total_price').html(asMoney(total));
@@ -195,7 +195,7 @@ function updateBalance() {
         $('#submit_button').disabled = false;
     }
     // update bgcolor
-    for (i = 0; i < itemTotal.length; i++) {
+    for (i in itemTotal) {
         $('#ltd_price_' + i).css('background-color', bgcolor);
     }
 }
@@ -203,3 +203,18 @@ function updateBalance() {
 function confirmSwitchOrder() {
     return (!modified || confirm('Änderungen an dieser Bestellung gehen verloren, wenn zu einer anderen Bestellung gewechselt wird.'))
 }
+
+$(function() {
+    $('input[data-increase_quantity]').click(function() {
+        increaseQuantity($(this).data('increase_quantity'));
+    })
+    $('input[data-decrease_quantity]').click(function() {
+        decreaseQuantity($(this).data('decrease_quantity'));
+    })
+    $('input[data-increase_tolerance]').click(function() {
+        increaseTolerance($(this).data('increase_tolerance'));
+    })
+    $('input[data-decrease_tolerance]').click(function() {
+        decreaseTolerance($(this).data('decrease_tolerance'));
+    })
+})