ruby-gnucash/lib/gnucash/account.rb

71 lines
1.7 KiB
Ruby

module Gnucash
class Account
attr_accessor :name
attr_accessor :type
attr_accessor :id
attr_accessor :transactions
def initialize(book, node)
@book = book
@node = node
@name = node.xpath('act:name').text
@type = node.xpath('act:type').text
@id = node.xpath('act:id').text
@parent_id = node.xpath('act:parent').text
@parent_id = nil if @parent_id == ""
@transactions = []
@balances = []
end
def full_name
prefix = ""
if @parent_id
parent = @book.find_account_by_id(@parent_id)
if parent and parent.type != 'ROOT'
prefix = parent.full_name + "::"
end
end
prefix + name
end
def add_transaction(act_txn)
@transactions << act_txn
end
def finalize
@transactions.sort! { |a, b| a.date <=> b.date }
balance = Value.new(0)
@balances = @transactions.map do |act_txn|
balance += act_txn.value
{
date: act_txn.date,
value: balance,
}
end
end
def final_balance
return Value.new(0) unless @balances.size > 0
@balances.last[:value]
end
def balance_on(date)
return Value.new(0) unless @balances.size > 0
return Value.new(0) if @balances.first[:date] > date
return @balances.last[:value] if date >= @balances.last[:date]
imin = 0
imax = @balances.size - 2
idx = imax / 2
until @balances[idx][:date] <= date and @balances[idx + 1][:date] > date
if @balances[idx][:date] <= date
imin = idx + 1
else
imax = idx
end
idx = (imin + imax) / 2
end
@balances[idx][:value]
end
end
end