def validate_date_ranges(event_args):
# Check that the end dates and times come after the start
start = datetime.combine(event_args['start_date'],
event_args['start_time'].time())
end = datetime.combine(event_args['end_date'],
event_args['end_time'].time())
if end <= start:
message = 'End date must be after the start date'
raise errors.ResourceValidationError(
messages={'date_range': [message]})
def set_occurrences(event_args):
"""
Create the list of occurrences using the original event date details
For example:
DAILY recurrence 10 times will set values for the next 10 days
including the date specified in the request. The start and end times for
them will be the same
:param event_args:
:return:
"""
start_date = event_args['start_date']
end_date = event_args['end_date']
# Check to see if the recurrence details is set
if event_args['is_recurring']:
recurrence_details = event_args.get('recurrence_details')
if recurrence_details is None:
message = 'Missing data for required field when is_recurring is true'
raise errors.ResourceValidationError(
messages={'recurrence_details': [message]})
# Check that a daily recurrence type does not span more than a day
recurrence = recurrence_details['recurrence']
date_delta = end_date - start_date
if recurrence == constants.RecurrenceType.DAILY.value and date_delta.days > 0:
message = 'Daily recurrence events cannot be longer than a day'
raise errors.ResourceValidationError(
messages={'daily_event_too_long': [message]})
else:
event_args['recurrence_details'] = None
recurrence_details = set_default_recurrence_details()
# Populate the occurrences list and last end date
last_end_date, occurrences = populate_occurrences(start_date, end_date,
recurrence_details)
event_args['end_date'] = last_end_date
event_args['occurrences'] = occurrences
def set_occurrences(event_args):
# Check to see if the recurrence details is set
if event_args['is_recurring']:
recurrence_details = event_args.get('recurrence_details')
if recurrence_details is None:
message = 'Missing data for required field when is_recurring is true'
raise errors.ResourceValidationError(
messages={'recurrence_details': [message]})
else:
event_args['recurrence_details'] = None
recurrence_details = set_default_recurrence_details()
# Populate the occurrences list and last end date
last_end_date, occurrences = populate_occurrences(event_args['start_date'],
event_args['end_date'],
recurrence_details)
event_args['end_date'] = last_end_date
event_args['occurrences'] = occurrences
def populate_occurrences(start_date, end_date, recurrence_details):
occurrence_type = recurrence_details['occurrence_type']
if occurrence_type == constants.OccurrenceType.NEVER.value:
last_end_date, occurrences = generate_occurrence_type_never_events(
start_date, end_date, recurrence_details)
elif occurrence_type == constants.OccurrenceType.AFTER.value:
last_end_date, occurrences = generate_occurrence_type_after_events(
start_date, end_date, recurrence_details)
elif occurrence_type == constants.OccurrenceType.ON.value:
last_end_date, occurrences = generate_occurrence_type_on_events(
start_date, end_date, recurrence_details)
else:
message = 'Invalid value, must be one of {}'.format(
constants.OccurrenceType.values())
raise errors.ResourceValidationError(
messages={'occurrence_type': [message]})
return last_end_date, occurrences