def get_available_slots(office: Office, days: [datetime], format_time: bool = True, service: Service = None):
"""Return the available slots for the office"""
try:
available_slots_per_day = {}
if office.appointments_enabled_ind == 0:
return available_slots_per_day
# find appointment duration per office and fetch timeslot master data
appointment_duration = office.appointment_duration
# If user has passed in service and it has duration, use that instead
if (service and service.timeslot_duration):
appointment_duration = service.timeslot_duration
service_is_dltk = service and service.is_dlkt == YesNo.YES
# Dictionary to store the available slots per day
tz = pytz.timezone(office.timezone.timezone_name)
# today's date and time
today = datetime.datetime.now().astimezone(tz)
# soonest a citizen can book an appointment
soonest_appointment_date = today + datetime.timedelta(minutes = office.soonest_appointment or 0)
# Find all appointments between the dates
appointments = Appointment.find_appointment_availability(office_id=office.office_id, first_date=today,
last_date=days[-1],
timezone=office.timezone.timezone_name)
grouped_appointments = AvailabilityService.group_appointments(appointments, office.timezone.timezone_name)
# For each of the day calculate the slots based on time slots
for day_in_month in days:
formatted_date = day_in_month.strftime('%m/%d/%Y')
available_slots_per_day[formatted_date] = []
for timeslot in office.timeslots:
# Calculate the slots per day
timeslot_end_time = timeslot.end_time.replace(tzinfo=tz)
timeslot_start_time = timeslot.start_time.replace(tzinfo=tz)
if day_in_month.isoweekday() in day_indexes(timeslot.day_of_week):
start_time = timeslot_start_time
end_time = add_delta_to_time(timeslot_start_time, minutes=appointment_duration,
timezone=office.timezone.timezone_name)
# Cannot exceed office timeslot slots.
dlkt_slots = office.number_of_dlkt or 0
if ( dlkt_slots > timeslot.no_of_slots):
dlkt_slots = timeslot.no_of_slots
# Limit DLKT slots only for DLKT services.
no_of_slots = timeslot.no_of_slots
while end_time <= timeslot_end_time:
slot = {
'start_time': start_time,
'end_time': end_time,
'no_of_slots': no_of_slots,
'no_of_dlkt_slots': dlkt_slots
}
# Check if today's time is past appointment slot
# Arc - also check if in office.soonest_appointment
if ((day_in_month.date() == soonest_appointment_date.date() and start_time >= soonest_appointment_date.time()) or day_in_month.date() > soonest_appointment_date.date()):
if slot not in available_slots_per_day[formatted_date]:
available_slots_per_day[formatted_date].append(slot)
start_time = end_time.replace(tzinfo=tz)
end_time = add_delta_to_time(end_time, minutes=appointment_duration,
timezone=office.timezone.timezone_name)
# Sort the slot by time for the day
available_slots_per_day[formatted_date].sort(key=lambda x: x['start_time'])
# Check if the slots are already booked
for actual_slot in available_slots_per_day[formatted_date]:
booked_slots = 0
booked_dlkt_slots = 0
for booked_slot in grouped_appointments.get(formatted_date, []):
if booked_slot.get('start_time') \
<= actual_slot.get('start_time') \
< booked_slot.get('end_time') \
or \
actual_slot.get('end_time') \
> booked_slot.get('start_time') \
>= actual_slot.get('start_time'):
if booked_slot.get('blackout_flag', False): # If it's blackout override the no of slots
actual_slot['no_of_slots'] = 0
else:
if booked_slot['is_dlkt']:
booked_dlkt_slots += 1
else:
booked_slots += 1
if service_is_dltk:
dlkt_nos = actual_slot['no_of_dlkt_slots'] - booked_dlkt_slots
if actual_slot['no_of_slots'] <= (booked_slots + booked_dlkt_slots):
actual_slot['no_of_slots'] = 0
elif actual_slot['no_of_slots'] - booked_slots >= dlkt_nos:
actual_slot['no_of_slots'] = dlkt_nos
else:
actual_slot['no_of_slots'] = dlkt_nos - (actual_slot['no_of_slots'] - booked_slots)
else:
actual_slot['no_of_slots'] = actual_slot['no_of_slots'] - (booked_slots + booked_dlkt_slots)
del actual_slot['no_of_dlkt_slots'] # no need to expose
if format_time: # If true send formatted time
actual_slot['start_time'] = actual_slot['start_time'].strftime('%H:%M')
actual_slot['end_time'] = actual_slot['end_time'].strftime('%H:%M')
return AvailabilityService.prune_appointments(available_slots_per_day)
except exc.SQLAlchemyError as e:
print(e)
return {'message': 'API is down'}, 500
def get_available_slots(office: Office,
days: [datetime],
format_time: bool = True):
"""Return the available slots for the office"""
try:
available_slots_per_day = {}
if office.appointments_enabled_ind == 0:
return available_slots_per_day
# find appointment duration per office and fetch timeslot master data
appointment_duration = office.appointment_duration
# Dictionary to store the available slots per day
tz = pytz.timezone(office.timezone.timezone_name)
# today's date and time
today = datetime.datetime.now().astimezone(tz)
# Find all appointments between the dates
appointments = Appointment.find_appointment_availability(
office_id=office.office_id,
first_date=today,
last_date=days[-1],
timezone=office.timezone.timezone_name)
grouped_appointments = AvailabilityService.group_appointments(
appointments, office.timezone.timezone_name)
# For each of the day calculate the slots based on time slots
for day_in_month in days:
formatted_date = day_in_month.strftime('%m/%d/%Y')
available_slots_per_day[formatted_date] = []
for timeslot in office.timeslots:
# Calculate the slots per day
timeslot_end_time = timeslot.end_time.replace(tzinfo=tz)
timeslot_start_time = timeslot.start_time.replace(
tzinfo=tz)
if day_in_month.isoweekday() in day_indexes(
timeslot.day_of_week):
start_time = timeslot_start_time
end_time = add_delta_to_time(
timeslot_start_time,
minutes=appointment_duration,
timezone=office.timezone.timezone_name)
# print(start_time, end_time)
while end_time <= timeslot_end_time:
slot = {
'start_time': start_time,
'end_time': end_time,
'no_of_slots': timeslot.no_of_slots
}
# Check if today's time is past appointment slot
if not (today.date() == day_in_month.date()
and today.time() > start_time):
available_slots_per_day[formatted_date].append(
slot)
start_time = end_time.replace(tzinfo=tz)
end_time = add_delta_to_time(
end_time,
minutes=appointment_duration,
timezone=office.timezone.timezone_name)
# Check if the slots are already booked
for actual_slot in available_slots_per_day[formatted_date]:
for booked_slot in grouped_appointments.get(
formatted_date, []):
# print('>>>>>>', booked_slot.get('start_time'), actual_slot.get('start_time'), booked_slot.get('end_time'))
# print('<<<<<<', booked_slot.get('end_time'), actual_slot.get('end_time'),
# booked_slot.get('start_time'))
if booked_slot.get('start_time') \
<= actual_slot.get('start_time') \
< booked_slot.get('end_time') \
or \
booked_slot.get('end_time') \
< actual_slot.get('end_time') \
<= booked_slot.get('start_time'):
if booked_slot.get(
'blackout_flag', False
): # If it's blackout override the no of slots
actual_slot['no_of_slots'] = 0
else:
actual_slot['no_of_slots'] -= 1
if format_time: # If true send formatted time
actual_slot['start_time'] = actual_slot[
'start_time'].strftime('%H:%M')
actual_slot['end_time'] = actual_slot[
'end_time'].strftime('%H:%M')
return AvailabilityService.prune_appointments(
available_slots_per_day)
except exc.SQLAlchemyError as e:
print(e)
return {'message': 'API is down'}, 500
