38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
from datetime import timedelta
|
|
from .durationparser import DurationParser
|
|
from .validator import Validator
|
|
|
|
|
|
class DurationAsStringValidator(Validator):
|
|
def __init__(self, name, minimum=None, maximum=None, base_seconds=1, default_as_empty=None):
|
|
super().__init__(name)
|
|
self.min = minimum
|
|
self.max = maximum
|
|
self.base_seconds = base_seconds
|
|
self.default_as_empty = default_as_empty
|
|
|
|
def validate(self, value):
|
|
if value is None or (type(value) == str and len(value) == 0):
|
|
return None
|
|
try:
|
|
if type(value) == str:
|
|
if self.default_as_empty is not None and value == "":
|
|
value = self.default_as_empty
|
|
else:
|
|
value = DurationParser().parse(value).total_seconds() / self.base_seconds
|
|
value = float(value)
|
|
except ValueError:
|
|
self.raiseForValue(value)
|
|
|
|
if self.max is not None and value > self.max:
|
|
self.raiseForValue(value)
|
|
if self.min is not None and value < self.min:
|
|
self.raiseForValue(value)
|
|
return value
|
|
|
|
def formatForUi(self, value):
|
|
if self.default_as_empty is not None and value == self.default_as_empty:
|
|
return ""
|
|
else:
|
|
return DurationParser().format(timedelta(seconds=value * self.base_seconds))
|