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151 lines
5.7 KiB
151 lines
5.7 KiB
import datetime
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import json
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import frappe
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import pytz
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from frappe import _
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WEEKDAYS = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
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no_cache = 1
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def get_context(context):
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is_enabled = frappe.db.get_single_value('Appointment Booking Settings', 'enable_scheduling')
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if is_enabled:
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return context
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else:
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frappe.redirect_to_message(_("Appointment Scheduling Disabled"), _("Appointment Scheduling has been disabled for this site"),
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http_status_code=302, indicator_color="red")
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raise frappe.Redirect
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@frappe.whitelist(allow_guest=True)
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def get_appointment_settings():
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settings = frappe.get_doc('Appointment Booking Settings')
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settings.holiday_list = frappe.get_doc('Holiday List', settings.holiday_list)
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return settings
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@frappe.whitelist(allow_guest=True)
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def get_timezones():
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import pytz
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return pytz.all_timezones
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@frappe.whitelist(allow_guest=True)
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def get_appointment_slots(date, timezone):
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# Convert query to local timezones
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format_string = '%Y-%m-%d %H:%M:%S'
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query_start_time = datetime.datetime.strptime(date + ' 00:00:00', format_string)
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query_end_time = datetime.datetime.strptime(date + ' 23:59:59', format_string)
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query_start_time = convert_to_system_timezone(timezone, query_start_time)
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query_end_time = convert_to_system_timezone(timezone, query_end_time)
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now = convert_to_guest_timezone(timezone, datetime.datetime.now())
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# Database queries
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settings = frappe.get_doc('Appointment Booking Settings')
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holiday_list = frappe.get_doc('Holiday List', settings.holiday_list)
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timeslots = get_available_slots_between(query_start_time, query_end_time, settings)
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# Filter and convert timeslots
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converted_timeslots = []
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for timeslot in timeslots:
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converted_timeslot = convert_to_guest_timezone(timezone, timeslot)
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# Check if holiday
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if _is_holiday(converted_timeslot.date(), holiday_list):
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converted_timeslots.append(dict(time=converted_timeslot, availability=False))
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continue
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# Check availability
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if check_availabilty(timeslot, settings) and converted_timeslot >= now:
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converted_timeslots.append(dict(time=converted_timeslot, availability=True))
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else:
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converted_timeslots.append(dict(time=converted_timeslot, availability=False))
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date_required = datetime.datetime.strptime(date + ' 00:00:00', format_string).date()
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converted_timeslots = filter_timeslots(date_required, converted_timeslots)
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return converted_timeslots
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def get_available_slots_between(query_start_time, query_end_time, settings):
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records = _get_records(query_start_time, query_end_time, settings)
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timeslots = []
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appointment_duration = datetime.timedelta(
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minutes=settings.appointment_duration)
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for record in records:
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if record.day_of_week == WEEKDAYS[query_start_time.weekday()]:
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current_time = _deltatime_to_datetime(query_start_time, record.from_time)
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end_time = _deltatime_to_datetime(query_start_time, record.to_time)
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else:
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current_time = _deltatime_to_datetime(query_end_time, record.from_time)
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end_time = _deltatime_to_datetime(query_end_time, record.to_time)
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while current_time + appointment_duration <= end_time:
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timeslots.append(current_time)
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current_time += appointment_duration
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return timeslots
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@frappe.whitelist(allow_guest=True)
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def create_appointment(date, time, tz, contact):
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format_string = '%Y-%m-%d %H:%M:%S'
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scheduled_time = datetime.datetime.strptime(date + " " + time, format_string)
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# Strip tzinfo from datetime objects since it's handled by the doctype
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scheduled_time = scheduled_time.replace(tzinfo = None)
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scheduled_time = convert_to_system_timezone(tz, scheduled_time)
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scheduled_time = scheduled_time.replace(tzinfo = None)
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# Create a appointment document from form
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appointment = frappe.new_doc('Appointment')
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appointment.scheduled_time = scheduled_time
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contact = json.loads(contact)
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appointment.customer_name = contact.get('name', None)
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appointment.customer_phone_number = contact.get('number', None)
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appointment.customer_skype = contact.get('skype', None)
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appointment.customer_details = contact.get('notes', None)
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appointment.customer_email = contact.get('email', None)
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appointment.status = 'Open'
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appointment.insert()
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return appointment
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# Helper Functions
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def filter_timeslots(date, timeslots):
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filtered_timeslots = []
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for timeslot in timeslots:
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if(timeslot['time'].date() == date):
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filtered_timeslots.append(timeslot)
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return filtered_timeslots
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def convert_to_guest_timezone(guest_tz, datetimeobject):
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guest_tz = pytz.timezone(guest_tz)
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local_timezone = pytz.timezone(frappe.utils.get_time_zone())
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datetimeobject = local_timezone.localize(datetimeobject)
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datetimeobject = datetimeobject.astimezone(guest_tz)
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return datetimeobject
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def convert_to_system_timezone(guest_tz,datetimeobject):
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guest_tz = pytz.timezone(guest_tz)
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datetimeobject = guest_tz.localize(datetimeobject)
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system_tz = pytz.timezone(frappe.utils.get_time_zone())
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datetimeobject = datetimeobject.astimezone(system_tz)
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return datetimeobject
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def check_availabilty(timeslot, settings):
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return frappe.db.count('Appointment', {'scheduled_time': timeslot}) < settings.number_of_agents
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def _is_holiday(date, holiday_list):
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for holiday in holiday_list.holidays:
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if holiday.holiday_date == date:
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return True
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return False
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def _get_records(start_time, end_time, settings):
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records = []
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for record in settings.availability_of_slots:
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if record.day_of_week == WEEKDAYS[start_time.weekday()] or record.day_of_week == WEEKDAYS[end_time.weekday()]:
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records.append(record)
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return records
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def _deltatime_to_datetime(date, deltatime):
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time = (datetime.datetime.min + deltatime).time()
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return datetime.datetime.combine(date.date(), time)
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def _datetime_to_deltatime(date_time):
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midnight = datetime.datetime.combine(date_time.date(), datetime.time.min)
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return (date_time-midnight)
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