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