97 lines
3.6 KiB
Ruby
97 lines
3.6 KiB
Ruby
# == Schema Information
|
|
# Schema version: 20090120184410
|
|
#
|
|
# Table name: groups
|
|
#
|
|
# id :integer not null, primary key
|
|
# type :string(255) default(""), not null
|
|
# name :string(255) default(""), not null
|
|
# description :string(255)
|
|
# account_balance :decimal(, ) default(0.0), not null
|
|
# account_updated :datetime
|
|
# created_on :datetime not null
|
|
# role_admin :boolean not null
|
|
# role_suppliers :boolean not null
|
|
# role_article_meta :boolean not null
|
|
# role_finance :boolean not null
|
|
# role_orders :boolean not null
|
|
# weekly_task :boolean
|
|
# weekday :integer
|
|
# task_name :string(255)
|
|
# task_description :string(255)
|
|
# task_required_users :integer default(1)
|
|
# deleted_at :datetime
|
|
# contact_person :string(255)
|
|
# contact_phone :string(255)
|
|
# contact_address :string(255)
|
|
#
|
|
|
|
# Ordergroups can order, they are "children" of the class Group
|
|
#
|
|
# Ordergroup have the following attributes, in addition to Group
|
|
# * account_balance (decimal)
|
|
# * account_updated (datetime)
|
|
class Ordergroup < Group
|
|
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, :order => "created_on DESC"
|
|
has_many :group_orders
|
|
has_many :orders, :through => :group_orders
|
|
|
|
validates_numericality_of :account_balance, :message => 'ist keine gültige Zahl'
|
|
|
|
def contact
|
|
"#{contact_phone} (#{contact_person})"
|
|
end
|
|
def non_members
|
|
User.all(:order => 'nick').reject { |u| (users.include?(u) || u.ordergroup) }
|
|
end
|
|
|
|
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 add_financial_transaction(amount, note, user)
|
|
transaction do
|
|
trans = FinancialTransaction.new(:ordergroup => self, :amount => amount, :note => note, :user => user)
|
|
trans.save!
|
|
self.account_balance += trans.amount
|
|
self.account_updated = trans.created_on
|
|
save!
|
|
notify_negative_balance(trans)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
# If this order group's account balance is made negative by the given/last transaction,
|
|
# a message is sent to all users who have enabled notification.
|
|
def notify_negative_balance(transaction)
|
|
# Notify only when order group had a positive balance before the last transaction:
|
|
if (transaction.amount < 0 && self.account_balance < 0 && self.account_balance - transaction.amount >= 0)
|
|
users = self.users.reject { |u| u.settings["notify.negativeBalance"] != '1' }
|
|
unless users.empty?
|
|
Message.from_template(
|
|
'negative_balance',
|
|
{:group => self, :transaction => transaction},
|
|
{:recipients_ids => users.collect(&:id), :subject => "Gruppenkonto im Minus"}
|
|
).save!
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|