foodsoft/app/controllers/ordering_controller.rb
2009-02-03 21:14:48 +01:00

167 lines
7 KiB
Ruby

# Controller for all ordering-actions that are performed by a user who is member of an Ordergroup.
# Management actions that require the "orders" role are handled by the OrdersController.
class OrderingController < ApplicationController
# Security
before_filter :ensure_ordergroup_member
before_filter :ensure_open_order, :only => [:order, :saveOrder]
verify :method => :post, :only => [:saveOrder], :redirect_to => {:action => :index}
# Index page.
def index
end
# Edit a current order.
def order
@open_orders = Order.open
@other_orders = @open_orders.reject{|order| order == @order}
# Load order article data...
@articles_by_category = @order.get_articles
# 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 article in @group_order.group_order_articles
result = article.result
ordered_articles[article.order_article_id] = {'quantity' => article.quantity,
'tolerance' => article.tolerance,
'quantity_result' => result[:quantity],
'tolerance_result' => result[:tolerance]}
end
@version = @group_order.lock_version
@availableFunds = @ordergroup.get_available_funds(@group_order)
else
@version = 0
@availableFunds = @ordergroup.get_available_funds
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_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
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
# get only orders belonging to the ordergroup
@closed_orders = Order.paginate :page => params[:page], :per_page => 10,
:conditions => { :state => 'closed' }, :order => "orders.ends DESC"
respond_to do |format|
format.html # myOrders.haml
format.js { render :partial => "orders" }
end
end
# adds a Comment to the Order
def add_comment
order = Order.find(params[:id])
comment = order.comments.build(params[:comment])
comment.user = @current_user
if !comment.text.empty? and comment.save
flash[:notice] = "Kommentar wurde erstellt."
else
flash[:error] = "Kommentar konnte nicht erstellt werden. Leerer Kommentar?"
end
redirect_to :action => 'my_order_result', :id => order
end
private
# Returns true if @current_user is member of an Ordergroup.
# Used as a :before_filter by OrderingController.
def ensure_ordergroup_member
@ordergroup = @current_user.ordergroup
if @ordergroup.nil?
flash[:notice] = 'Sie gehören keiner Bestellgruppe an.'
redirect_to :controller => root_path
end
end
def ensure_open_order
@order = Order.find(params[:id], :include => [:supplier, :order_articles])
unless @order.open?
flash[:notice] = 'Diese Bestellung ist bereits abgeschlossen.'
redirect_to :action => 'index'
end
end
end