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Complete refactoring of orders-workflow.

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OrderResult tables are removed. Data consistency is now possible through new article.price-history (ArticlePrice).
Balancing-workflow needs to be updated.
This commit is contained in:
Benjamin Meichsner 2009-01-29 01:57:51 +01:00
parent 80287aeea4
commit 9eb2125f15
98 changed files with 1121 additions and 1717 deletions
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61
app/models/ordergroup.rb
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@ -30,46 +30,34 @@
# * account_updated (datetime)
# * actual_size (int) : how many persons are ordering through the Ordergroup
class Ordergroup < Group
has_many :financial_transactions, :dependent => :destroy
has_many :group_orders, :dependent => :destroy
acts_as_paranoid # Avoid deleting the ordergroup for consistency of order-results
extend ActiveSupport::Memoizable # Ability to cache method results. Use memoize :expensive_method
has_many :financial_transactions
has_many :group_orders
has_many :orders, :through => :group_orders
has_many :group_order_article_results, :through => :group_orders # TODO: whats this???
has_many :group_order_results, :finder_sql => 'SELECT * FROM group_order_results as r WHERE r.group_name = "#{name}"'
validates_inclusion_of :actual_size, :in => 1..99
validates_numericality_of :account_balance, :message => 'ist keine gültige Zahl'
attr_accessible :actual_size, :account_updated
# messages
ERR_NAME_IS_USED_IN_ARCHIVE = "Der Name ist von einer ehemaligen Gruppe verwendet worden."
# if the ordergroup.name is changed, group_order_result.name has to be adapted
def before_update
ordergroup = Ordergroup.find(self.id)
unless (ordergroup.name == self.name) || ordergroup.group_order_results.empty?
# rename all finished orders
for result in ordergroup.group_order_results
result.update_attribute(:group_name, self.name)
end
end
end
# Returns the available funds for this order group (the account_balance minus price of all non-booked GroupOrders of this group).
# * excludeGroupOrder (GroupOrder): exclude this GroupOrder from the calculation
def getAvailableFunds(excludeGroupOrder = nil)
funds = account_balance
for order in GroupOrder.find_all_by_ordergroup_id(self.id)
unless order == excludeGroupOrder
funds -= order.price
end
end
for order_result in self.findFinishedNotBooked
funds -= order_result.price
end
return funds
def value_of_open_orders(exclude = nil)
group_orders.open.reject{|go| go == exclude}.collect(&:price).sum
end
def value_of_finished_orders(exclude = nil)
group_orders.finished.reject{|go| go == exclude}.collect(&:price).sum
end
# Returns the available funds for this order group (the account_balance minus price of all non-closed GroupOrders of this group).
# * exclude (GroupOrder): exclude this GroupOrder from the calculation
def get_available_funds(exclude = nil)
account_balance - value_of_open_orders(exclude) - value_of_finished_orders(exclude)
end
memoize :get_available_funds
# Creates a new FinancialTransaction for this Ordergroup and updates the account_balance accordingly.
# Throws an exception if it fails.
def addFinancialTransaction(amount, note, user)
@ -129,13 +117,4 @@ class Ordergroup < Group
end
end
# before create or update, check if the name is already used in GroupOrderResults
def validate_on_create
errors.add(:name, ERR_NAME_IS_USED_IN_ARCHIVE) unless GroupOrderResult.find_all_by_group_name(self.name).empty?
end
def validate_on_update
ordergroup = Ordergroup.find(self.id)
errors.add(:name, ERR_NAME_IS_USED_IN_ARCHIVE) unless ordergroup.name == self.name || GroupOrderResult.find_all_by_group_name(self.name).empty?
end
end