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line/mixin: umrechnung anzahl + tests

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Frederik Jaeckel 2023-01-15 00:36:02 +01:00
parent 7990608943
commit 8acfa35289
7 changed files with 695 additions and 74 deletions
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141
mixin.py
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@ -7,6 +7,8 @@ from trytond.model import fields
from trytond.pyson import Eval, Bool, Or
from trytond.pool import Pool
from trytond.transaction import Transaction
from trytond.exceptions import UserError
from trytond.i18n import gettext
from trytond.modules.product.uom import uom_conversion_digits
from trytond.modules.cashbook.mixin import STATES, DEPENDS
from decimal import Decimal
@ -41,24 +43,147 @@ class SecondUomMixin(object):
'required': Bool(Eval('quantity2nd')),
'invisible': ~Bool(Eval('quantity2nd')),
}, depends=DEPENDSQ+['quantity2nd_digits', 'quantity2nd']),
'on_change_with_rate_2nd_uom', setter='set_rate_2nd_uom')
'on_change_with_factor_2nd_uom', setter='set_factor_2nd_uom')
quantity2nd = fields.Function(fields.Many2One(model_name='product.uom',
string="2nd UOM", readonly=True), 'on_change_with_quantity2nd')
quantity2nd_digits = fields.Function(fields.Integer(string='2nd UOM Digits',
readonly=True), 'on_change_with_quantity2nd_digits')
@fields.depends('quantity', 'quantity_2nd_oum')
def quantize_quantity(self, value):
""" quantize for line-quantity
"""
return Decimal(value).quantize(Decimal(Decimal(1) / 10 ** self.quantity_digits))
@classmethod
def add_2nd_quantity(cls, values, from_uom):
""" add second uom quantity if missing
"""
pool = Pool()
UOM = pool.get('product.uom')
Cashbook = pool.get('cashbook.book')
booktransf = values.get('booktransf', None)
quantity = values.get('quantity', None)
quantity_2nd_uom = values.get('quantity_2nd_uom', None)
if (quantity is not None) and (booktransf is not None) and \
(from_uom is not None):
if quantity_2nd_uom is None:
booktransf = Cashbook(booktransf)
if booktransf.quantity_uom:
if from_uom.id != booktransf.quantity_uom.id:
# deny impossible transfer
if from_uom.category.id != booktransf.quantity_uom.category.id:
raise UserError(gettext(
'cashbook_investment.msg_uomcat_mismatch',
cat1 = from_uom.category.rec_name,
cat2 = booktransf.quantity_uom.category.rec_name,
))
values['quantity_2nd_uom'] = Decimal(UOM.compute_qty(
from_uom,
float(quantity),
booktransf.quantity_uom,
round=False,
)).quantize(Decimal(
Decimal(1) / 10 ** booktransf.quantity_digits)
)
return values
@classmethod
def set_factor_2nd_uom(cls, lines, name, value):
""" compute quantity_2nd_uom, write to db
"""
Line2 = Pool().get(cls.__name__)
to_write = []
if name != 'factor_2nd_uom':
return
for line in lines:
if line.booktransf is None:
continue
if line.cashbook.quantity_uom.id == line.booktransf.quantity_uom.id:
continue
to_write.extend([
[line],
{
'quantity_2nd_uom': line.quantize_quantity(
line.booktransf.quantity_uom.round(
float(line.quantity * value))
),
}])
if len(to_write) > 0:
Line2.write(*to_write)
@fields.depends('booktransf', '_parent_booktransf.quantity_uom', \
'quantity_uom', 'quantity_digits', 'quantity', \
'quantity_2nd_uom', 'factor_2nd_uom')
def on_change_booktransf(self):
""" update quantity_2nd_uom
"""
self.on_change_factor_2nd_uom()
@fields.depends('booktransf', '_parent_booktransf.quantity_uom', \
'quantity_uom', 'quantity_digits', 'quantity', \
'quantity_2nd_uom', 'factor_2nd_uom')
def on_change_quantity(self):
""" update quantity_2nd_uom
"""
self.on_change_factor_2nd_uom()
@fields.depends('booktransf', '_parent_booktransf.quantity_uom', \
'quantity_uom', 'quantity_digits', 'quantity', \
'quantity_2nd_uom', 'factor_2nd_uom')
def on_change_factor_2nd_uom(self):
""" update quantity_2nd_uom + factor_2nd_uom
"""
UOM = Pool().get('product.uom')
if (self.quantity is None) or (self.booktransf is None):
self.quantity_2nd_uom = None
self.factor_2nd_uom = None
return
if (self.booktransf.quantity_uom is None) or \
(self.quantity_uom is None):
return
if self.factor_2nd_uom is None:
# no factor set, use factor of target-uom
self.quantity_2nd_uom = self.quantize_quantity(
UOM.compute_qty(
self.quantity_uom,
float(self.quantity),
self.booktransf.quantity_uom,
round=False,
))
if self.quantity != Decimal('0.0'):
self.factor_2nd_uom = (
self.quantity_2nd_uom / self.quantity
).quantize(Decimal(Decimal(1) / 10 ** uom_conversion_digits[1]))
else :
self.quantity_2nd_uom = self.quantize_quantity(
self.quantity * self.factor_2nd_uom)
@fields.depends('quantity', 'quantity_2nd_uom', 'factor_2nd_uom')
def on_change_quantity_2nd_uom(self):
""" update factor_2nd_uom by quantity
"""
self.factor_2nd_uom = self.on_change_with_factor_2nd_uom()
@fields.depends('quantity', 'quantity_2nd_uom')
def on_change_with_factor_2nd_uom(self, name=None):
""" get factor from uom
"""
Rate = Pool().get('currency.currency.rate')
if (self.quantity is not None) and \
(self.quantity_2nd_oum is not None):
if (self.quantity is not None) and (self.quantity_2nd_uom is not None):
if self.quantity != Decimal('0.0'):
exp = Decimal(Decimal(1) / 10 ** Rate.rate.digits[1])
return (self.quantity_2nd_oum / self.quantity).quantize(exp)
exp = Decimal(Decimal(1) / 10 ** uom_conversion_digits[1])
return (self.quantity_2nd_uom / self.quantity).quantize(exp)
@fields.depends('booktransf', '_parent_booktransf.quantity_uom', 'quantity_uom')
def on_change_with_quantity2nd(self, name=None):