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DualHub/calendar_generation.py
2024-09-29 19:21:20 +02:00

137 lines
4.6 KiB
Python

import time
import asyncio
import icalendar
import datetime
import recurring_ical_events
from fetchMENSA import getMeals
import pytz
from init import *
shortnames = ["mon", "tue", "wed", "thu", "fri", "sat"]
longnames = ["Montag", "Dienstag", "Mittwoch", "Donnerstag", "Freitag", "Samstag"]
months = ["Januar", "Februar", "März", "April", "Mai", "Juni", "Juli", "August", "September", "Oktober",
"November", "Dezember"]
async def getWeek(weekstart: datetime, file: str, showsat: bool):
"""
Liefert alle Events einer Woche zurück. \n
Wochenstart wird automatisch auf den Montag der Woche gelegt. \n
:param weekstart:
:param file:
:param showsat:
:return (Event-Liste, Essens-Liste, voheriges Wochendatum, nächstes Wochendatum, Datum des Montags):
"""
if weekstart == "today":
start_date = datetime.date.today()
else:
start_date = weekstart
nextw = start_date + datetime.timedelta(weeks=1)
prevw = start_date - datetime.timedelta(weeks=1)
start_date -= datetime.timedelta(days=start_date.weekday() % 7)
end_date = start_date + datetime.timedelta(days=6)
mon = months[start_date.month - 1]
if start_date.month != end_date.month:
if start_date.year != end_date.year:
mon += " " + str(start_date.year) + " | " + months[end_date.month - 1]
else:
mon += " | " + months[end_date.month-1]
mon += " " + str(end_date.year)
with open("calendars/" + file) as f:
calendar = icalendar.Calendar.from_ical(f.read())
events = recurring_ical_events.of(calendar).between(start_date, end_date)
eventl = []
for event in events:
estart = event["DTSTART"].dt
if str(estart.tzinfo) != "Europe/Berlin":
estart = estart.astimezone(pytz.timezone("Europe/Berlin"))
formstart = str(estart.hour) + ":" + str(estart.minute)
eend = event["DTEND"].dt
if str(eend.tzinfo) != "Europe/Berlin":
eend = eend.astimezone(pytz.timezone("Europe/Berlin"))
formend = str(eend.hour) + ":" + str(eend.minute)
forml = [formstart, formend]
for i in range(2):
if len(forml[i]) != 5:
if forml[i][-2] == ":":
forml[i] = forml[i] + "0"
if forml[i][1] == ":":
forml[i] = "0" + forml[i]
formstart = forml[0]
formend = forml[1]
try:
if type(event["ATTENDEE"]) is not list:
teacher = [event["ATTENDEE"].params["CN"]]
else:
teacher = [i.params["CN"] for i in event["ATTENDEE"]]
except KeyError:
teacher = ""
eventdict = {
"start": formstart,
"end": formend,
"dur": str(event["DTEND"].dt - event["DTSTART"].dt)[:-3],
"name": event["SUMMARY"],
"room": event["LOCATION"],
"weekday": estart.weekday(),
"day": estart.day,
"teacher": teacher,
"id": event["UID"]
}
eventl += [eventdict]
return eventl, await MensaDayList(start_date, showsat), prevw, nextw, mon
async def createCustomCalendar (uid: int):
hiddenEvents = HiddenVL.query.filter_by(uid=uid).all()
hiddenEventIDs = {event.eventid for event in hiddenEvents}
kurs = User.query.filter_by(id=uid).first().kurs
raplaFile = Rapla.query.filter_by(name=kurs).first().file
with open(f"calendars/{raplaFile}") as f:
calendar = icalendar.Calendar.from_ical(f.read())
newCalendar = icalendar.Calendar()
for component in calendar.walk():
if component.name != "VEVENT":
if component.name != "VCALENDAR":
newCalendar.add_component(component)
elif component["UID"] not in hiddenEventIDs:
newCalendar.add_component(component)
byteText = newCalendar.to_ical()
with open(f"calendars/{uid}.ical", 'w+') as f:
f.write(byteText.decode("utf-8"))
return uid
async def MensaDayList(weekstart: datetime, showsat: bool):
"""
Gibt die Essen einer Woche zurück.
:param weekstart:
:param showsat:
:return Essens-Liste:
"""
weekday = weekstart
dayl = []
if showsat:
r = 6
else:
r = 5
essen = []
for i in range(r):
essen += [getMeals(weekday)]
dayl += [{
"day": weekday.day,
"short": shortnames[i],
"long": longnames[i],
"mensa": i
}]
weekday += datetime.timedelta(days=1)
essenl = await asyncio.gather(*essen, return_exceptions=True)
for day in range(r):
dayl[day]["mensa"] = essenl[day]
return dayl