Class: DoubleEntry::AccountBalance

Inherits:

ActiveRecord::Base

• Object
• ActiveRecord::Base
• DoubleEntry::AccountBalance

Extended by:

EncapsulateAsMoney

Defined in:

lib/double_entry/account_balance.rb

Overview

Account balance records cache the current balance for each account. They also provide a database representation of an account that we can use to do DB level locking.

See DoubleEntry::Locking for more info on locking.

Account balances are created on demand when transfers occur.

Class Method Summary

• .find_by_account(account, options = {}) ⇒ Object

Instance Method Summary

• #account=(account) ⇒ Object

Class Method Details

.find_by_account(account, options = {}) ⇒ Object

# File 'lib/double_entry/account_balance.rb', line 22

def self.find_by_account(account, options = {})
  scope = where(:scope => account.scope_identity, :account => account.identifier.to_s)
  scope = scope.lock(true) if options[:lock]
  scope.first
end

Instance Method Details

#account=(account) ⇒ Object

# File 'lib/double_entry/account_balance.rb', line 16

def account=(account)
  self[:account] = account.identifier.to_s
  self[:scope] = account.scope_identity
  account
end