def set_end_date(self,end_date):
""" validates and set end_date """
if end_date and self.validate:
if validations.is_valid_date(self, end_date):
self.end_date = end_date
else:
raise ValueError("Invalid End Date Value")
else:
self.end_date = end_date
def set_start_date(self,start_date):
""" validates and set start_date """
if start_date and self.validate:
if validations.is_valid_date(self, start_date):
self.start_date = start_date
else:
raise ValueError("Invalid Start Date Value")
else:
self.start_date = start_date