def update_dates_loan(
record,
start_date=None,
end_date=None,
request_start_date=None,
request_expire_date=None,
):
"""Updates the dates of a loan."""
state = record["state"]
is_active_or_completed = (
state in CIRCULATION_STATES_LOAN_ACTIVE
or state in CIRCULATION_STATES_LOAN_COMPLETED
)
data = copy(record)
if is_active_or_completed:
today = date.today().strftime("%Y-%m-%d")
if request_start_date or request_expire_date:
raise IlsException(
description="Cannot modify request dates of "
"an active or completed loan."
)
if start_date:
if start_date > today:
raise InvalidParameterError(
description="Start date cannot be in "
"the future for active loans."
)
data["start_date"] = start_date
if end_date:
data["end_date"] = end_date
if data["end_date"] < data["start_date"]:
raise InvalidParameterError(description="Negative date range.")
else: # Pending or cancelled
if start_date or end_date:
raise IlsException(
description="Cannot modify dates of "
"a pending or cancelled loan."
)
if request_start_date:
data["request_start_date"] = request_start_date
if request_expire_date:
data["request_expire_date"] = request_expire_date
if data["request_expire_date"] < data["request_start_date"]:
raise InvalidParameterError(description="Negative date range.")
record.update(data)
record.commit()
db.session.commit()
current_circulation.loan_indexer().index(record)
return record
def find_next_open_date(location_pid, date):
"""Finds the next day where this location is open."""
location = current_app_ils.location_record_cls.get_record_by_pid(
location_pid)
_infinite_loop_guard = date + timedelta(days=365)
while date < _infinite_loop_guard:
if _is_open_on(location, date):
return date
date += _ONE_DAY_INCREMENT
# Termination is normally guaranteed if there is at least one weekday open
raise IlsException(description="Cannot find any date for which the "
"location %s is open after the given date %s."
"Please check opening/closures dates." %
(location_pid, date.isoformat()))