233 lines
7.7 KiB
Ruby
233 lines
7.7 KiB
Ruby
# encoding: utf-8
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#
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class Order < ActiveRecord::Base
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# Associations
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has_many :order_articles, :dependent => :destroy
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has_many :articles, :through => :order_articles
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has_many :group_orders, :dependent => :destroy
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has_many :ordergroups, :through => :group_orders
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has_one :invoice
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has_many :comments, :class_name => "OrderComment", :order => "created_at"
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has_many :stock_changes
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belongs_to :supplier
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belongs_to :updated_by, :class_name => 'User', :foreign_key => 'updated_by_user_id'
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belongs_to :created_by, :class_name => 'User', :foreign_key => 'created_by_user_id'
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# Validations
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validates_presence_of :starts
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validate :starts_before_ends, :include_articles
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# Callbacks
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before_create do |order|
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order.created_by = User.current_user
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end
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after_update :update_price_of_group_orders
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after_save :save_order_articles
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# Finders
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scope :open, where(state: 'open').order('ends DESC')
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scope :finished, where("orders.state = 'finished' OR orders.state = 'closed'").order('ends DESC')
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scope :finished_not_closed, where(state: 'finished').order('ends DESC')
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scope :closed, where(state: 'closed').order('ends DESC')
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scope :stockit, where(supplier_id: 0).order('ends DESC')
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def stockit?
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supplier_id == 0
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end
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def name
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stockit? ? "Lager" : supplier.name
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end
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def articles_for_ordering
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if stockit?
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StockArticle.available.all(:include => :article_category,
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:order => 'article_categories.name, articles.name').reject{ |a|
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a.quantity_available <= 0
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}.group_by { |a| a.article_category.name }
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else
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supplier.articles.available.all.group_by { |a| a.article_category.name }
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end
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end
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# Save ids, and create/delete order_articles after successfully saved the order
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def article_ids=(ids)
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@article_ids = ids
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end
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def article_ids
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@article_ids ||= order_articles.map(&:article_id)
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end
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def open?
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state == "open"
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end
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def finished?
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state == "finished"
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end
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def closed?
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state == "closed"
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end
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def expired?
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!ends.nil? && ends < Time.now
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end
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# search GroupOrder of given Ordergroup
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def group_order(ordergroup)
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group_orders.where(:ordergroup_id => ordergroup.id).first
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end
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# Returns OrderArticles in a nested Array, grouped by category and ordered by article name.
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# The array has the following form:
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# e.g: [["drugs",[teethpaste, toiletpaper]], ["fruits" => [apple, banana, lemon]]]
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def articles_grouped_by_category
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order_articles.includes([:article_price, :group_order_articles, :article => :article_category]).
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order('articles.name').
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group_by { |a| a.article.article_category.name }.
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sort { |a, b| a[0] <=> b[0] }
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end
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def articles_sort_by_category
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order_articles.all(:include => [:article], :order => 'articles.name').sort do |a,b|
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a.article.article_category.name <=> b.article.article_category.name
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end
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end
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# Returns the defecit/benefit for the foodcoop
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# Requires a valid invoice, belonging to this order
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#FIXME: Consider order.foodcoop_result
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def profit(options = {})
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markup = options[:without_markup] || false
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if invoice
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groups_sum = markup ? sum(:groups_without_markup) : sum(:groups)
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groups_sum - invoice.net_amount
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end
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end
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# Returns the all round price of a finished order
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# :groups returns the sum of all GroupOrders
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# :clear returns the price without tax, deposit and markup
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# :gross includes tax and deposit. this amount should be equal to suppliers bill
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# :fc, guess what...
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def sum(type = :gross)
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total = 0
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if type == :net || type == :gross || type == :fc
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for oa in order_articles.ordered.all(:include => [:article,:article_price])
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quantity = oa.units_to_order * oa.price.unit_quantity
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case type
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when :net
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total += quantity * oa.price.price
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when :gross
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total += quantity * oa.price.gross_price
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when :fc
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total += quantity * oa.price.fc_price
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end
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end
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elsif type == :groups || type == :groups_without_markup
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for go in group_orders.all(:include => :group_order_articles)
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for goa in go.group_order_articles.all(:include => [:order_article])
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case type
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when :groups
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total += goa.result * goa.order_article.price.fc_price
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when :groups_without_markup
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total += goa.result * goa.order_article.price.gross_price
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end
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end
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end
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end
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total
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end
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# Finishes this order. This will set the order state to "finish" and the end property to the current time.
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# Ignored if the order is already finished.
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def finish!(user)
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unless finished?
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Order.transaction do
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# set new order state (needed by notify_order_finished)
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update_attributes(:state => 'finished', :ends => Time.now, :updated_by => user)
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# Update order_articles. Save the current article_price to keep price consistency
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# Also save results for each group_order_result
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# Clean up
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order_articles.all(:include => :article).each do |oa|
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oa.update_attribute(:article_price, oa.article.article_prices.first)
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oa.group_order_articles.each do |goa|
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goa.save_results!
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# Delete no longer required order-history (group_order_article_quantities) and
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# TODO: Do we need articles, which aren't ordered? (units_to_order == 0 ?)
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goa.group_order_article_quantities.clear
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end
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end
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# Update GroupOrder prices
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group_orders.each(&:update_price!)
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# Stats
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ordergroups.each(&:update_stats!)
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# Notifications
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Resque.enqueue(UserNotifier, FoodsoftConfig.scope, 'finished_order', self.id)
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end
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end
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end
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# Sets order.status to 'close' and updates all Ordergroup.account_balances
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def close!(user)
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raise "Bestellung wurde schon abgerechnet" if closed?
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transaction_note = "Bestellung: #{name}, bis #{ends.strftime('%d.%m.%Y')}"
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gos = group_orders.all(:include => :ordergroup) # Fetch group_orders
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gos.each { |group_order| group_order.update_price! } # Update prices of group_orders
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transaction do # Start updating account balances
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for group_order in gos
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price = group_order.price * -1 # decrease! account balance
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group_order.ordergroup.add_financial_transaction!(price, transaction_note, user)
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end
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if stockit? # Decreases the quantity of stock_articles
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for oa in order_articles.all(:include => :article)
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oa.update_results! # Update units_to_order of order_article
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stock_changes.create! :stock_article => oa.article, :quantity => oa.units_to_order*-1
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end
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end
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self.update_attributes! :state => 'closed', :updated_by => user, :foodcoop_result => profit
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end
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end
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# Close the order directly, without automaticly updating ordergroups account balances
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def close_direct!(user)
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raise "Bestellung wurde schon abgerechnet" if closed?
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update_attributes! state: 'closed', updated_by: user
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end
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protected
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def starts_before_ends
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errors.add(:ends, "muss nach dem Bestellstart liegen (oder leer bleiben)") if (ends && starts && ends <= starts)
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end
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def include_articles
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errors.add(:articles, "Es muss mindestens ein Artikel ausgewählt sein") if article_ids.empty?
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end
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def save_order_articles
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self.articles = Article.find(article_ids)
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end
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private
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# Updates the "price" attribute of GroupOrders or GroupOrderResults
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# This will be either the maximum value of a current order or the actual order value of a finished order.
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def update_price_of_group_orders
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group_orders.each { |group_order| group_order.update_price! }
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end
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end
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