cashbook_investment/line.py
2022-12-22 00:32:26 +01:00

69 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
# This file is part of the cashbook-module from m-ds for Tryton.
# The COPYRIGHT file at the top level of this repository contains the
# full copyright notices and license terms.
from decimal import Decimal
from trytond.model import fields
from trytond.pool import PoolMeta
from trytond.pyson import Eval, Or, If
from trytond.modules.cashbook.line import STATES, DEPENDS
class Line(metaclass=PoolMeta):
__name__ = 'cashbook.line'
quantity = fields.Numeric(string='Quantity',
digits=(16, Eval('quantity_digits', 4)),
states={
'required': Eval('feature', '') == 'asset',
'invisible': Eval('feature', '') != 'asset',
'readonly': Or(
STATES['readonly'],
Eval('bookingtype', '').in_(['spin', 'spout']),
),
}, depends=DEPENDS+['feature', 'quantity_digits', 'bookingtype'])
quantity_digits = fields.Function(fields.Integer(string='Digits',
readonly=True, states={'invisible': True}),
'on_change_with_quantity_digits')
quantity_uom = fields.Function(fields.Many2One(string='Symbol',
readonly=True, model_name='product.uom'),
'on_change_with_quantity_symbol')
asset_rate = fields.Function(fields.Numeric(string='Rate',
readonly=True,
digits=(16, If(
Eval('currency_digits', 2) > Eval('quantity_digits', 2),
Eval('currency_digits', 2), Eval('quantity_digits', 2)))),
'on_change_with_asset_rate')
#asset_ratesymbol = fields.
@fields.depends('quantity', 'amount', 'currency_digits', 'quantity_digits')
def on_change_with_asset_rate(self, name=None):
""" get rate
"""
if (self.quantity is None) or (self.amount is None):
return
digit = max(
self.currency_digits if self.currency_digits is not None else 2,
self.quantity_digits if self.quantity_digits is not None else 4)
if self.quantity != Decimal('0.0'):
return (
self.amount / self.quantity
).quantize(Decimal(str(1/10**digit)))
@fields.depends('cashbook', '_parent_cashbook.quantity_uom')
def on_change_with_quantity_symbol(self, name=None):
""" get quantity-symbol of asset
"""
if self.cashbook:
return self.cashbook.quantity_uom.id
@fields.depends('cashbook', '_parent_cashbook.quantity_digits')
def on_change_with_quantity_digits(self, name=None):
""" get digits from cashbook
"""
if self.cashbook:
return self.cashbook.quantity_digits
return 4
# end LineContext