def test_calculate_simple_interest2(self):
print("test_calculate_simple_interest2")
apr = Decimal("48.74")
capital = Decimal("500.00")
et_capital = EntryType.objects.get(code=E_CAPITAL)
entries = [
AccountEntry(type=et_capital,
amount=capital,
timestamp=make_datetime(2017, 1, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 3, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 5, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 7, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 9, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 11, 1)),
]
timestamp = make_datetime(2020, 1, 1)
interest = calculate_simple_interest(entries, apr, timestamp.date())
print("interest =", dec2(interest))
self.assertEqual(interest.quantize(Decimal("1.00")), Decimal("426.11"))
def test_calculate_simple_interest(self):
print('test_calculate_simple_interest')
apr = Decimal('48.74')
capital = Decimal('500.00')
et_capital = EntryType.objects.get(code=E_CAPITAL)
entries = [
AccountEntry(type=et_capital,
amount=capital,
timestamp=make_datetime(2017, 1, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 3, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 5, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 7, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 9, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 11, 1)),
AccountEntry(type=et_capital,
amount=Decimal('-437.50'),
timestamp=make_datetime(2018, 1, 1)),
]
timestamp = make_datetime(2018, 1, 1)
interest = calculate_simple_interest(entries, apr, timestamp.date())
print('interest =', dec2(interest))
self.assertEqual(interest.quantize(Decimal('1.00')), Decimal('182.41'))
def test_calculate_simple_interest3(self):
print("test_calculate_simple_interest3")
apr = Decimal("3.00")
capital = Decimal("500.00")
et_capital = EntryType.objects.get(code=E_CAPITAL)
entries = [
AccountEntry(type=et_capital,
amount=capital,
timestamp=make_datetime(2018, 1, 10)),
]
interest = calculate_simple_interest(entries,
apr,
date(2018, 3, 1),
begin=date(2018, 2, 10))
print("interest =", dec2(interest))
self.assertEqual(interest.quantize(Decimal("1.00")), Decimal("0.78"))
def camt053_get_currency(data: dict,
key: str,
required: bool = True,
name: str = "") -> Tuple[Optional[Decimal], str]:
try:
v = camt053_get_val(data, key, default=None, required=False, name=name)
if v is not None:
amount = dec2(v["@"])
currency_code = v["@Ccy"]
return amount, currency_code
except Exception:
pass
if required:
raise ValidationError(
_("camt.053 field {} type {} missing or invalid").format(
name, "currency"))
return None, ""
def add_reverse_charge(modeladmin, request, qs):
assert hasattr(modeladmin, "reverse_charge_form")
assert hasattr(modeladmin, "reverse_charge_template")
cx: Dict[str, Any] = {}
try:
if qs.count() != 1:
raise ValidationError(
_("Exactly one account entry must be selected"))
e = qs.first()
assert isinstance(e, AccountEntry)
if e.amount is None or dec2(e.amount) == Decimal("0.00"):
raise ValidationError(
_("Exactly one account entry must be selected"))
form_cls = modeladmin.reverse_charge_form # Type: ignore
initial = {
"amount": -e.amount,
"description": form_cls().fields["description"].initial,
}
if e.description:
initial["description"] += " / {}".format(e.description)
cx = {
"qs": qs,
"original": e,
}
if "save" in request.POST:
cx["form"] = form = form_cls(request.POST, initial=initial)
if not form.is_valid():
raise ValidationError(form.errors)
timestamp = form.cleaned_data["timestamp"]
amount = form.cleaned_data["amount"]
description = form.cleaned_data["description"]
reverse_e = clone_model(
e,
parent=e.parent,
amount=amount,
description=description,
timestamp=timestamp,
commit=False,
created=now(),
)
reverse_e.full_clean()
reverse_e.save()
messages.info(request, "{} {}".format(reverse_e, _("created")))
else:
cx["form"] = form = form_cls(initial=initial)
return render(request,
modeladmin.reverse_charge_template,
context=cx)
except ValidationError as e:
if cx:
return render(request,
modeladmin.reverse_charge_template,
context=cx)
messages.error(request, "{}\n".join(e.messages))
except Exception as e:
logger.error("add_reverse_charge: %s", traceback.format_exc())
messages.error(request, "{}".format(e))
return None