Eriks Karls aadc927569 Init
2021-11-08 11:57:38 +02:00

66 lines
2.3 KiB
Python

import datetime
import json
import uuid
from collections import defaultdict
from io import BytesIO
from typing import Iterable, Mapping
from flask import Flask, request, render_template, send_file
from icalendar import Calendar, Event, Alarm
app = Flask(__name__)
# Source JSON created from http://vvc.gov.lv/export/sites/default/files/paplasinatais_saraksts.pdf
def generate_ical_for_mapping(cal: Mapping[datetime.date, Iterable[str]]) -> BytesIO:
ical = Calendar()
ical['VERSION'] = "2.0"
ical['PRODID'] = "NameDays"
for date, names in sorted(cal.items(), key=lambda x: x[0]):
ev = Event()
ev.add("SUMMARY", ", ".join(sorted(names)))
ev.add("DTSTART", date)
ev.add("DTEND", date + datetime.timedelta(days=1))
ev.add("DTSTAMP", datetime.datetime(2000, 1, 1))
ev.add("RRULE", {"FREQ": "YEARLY"})
ev.add("CATEGORY", "Anniversary")
ev.add("UID", uuid.uuid4())
alert = Alarm()
alert.add("action", "DISPLAY")
alert.add("TRIGGER", datetime.timedelta(hours=9))
alert.add("DESCRIPTION", "Default description")
ev.add_component(alert)
ical.add_component(ev)
return BytesIO(ical.to_ical(True))
@app.route('/', methods=["POST", "GET"])
def calendar():
with open("vardadienas.json") as f:
vdienas = json.load(f)
names_dict = {
f"{int(month):02}_{int(day):02}_{name}": name
for month, month_data in vdienas.items()
for day, day_data in month_data.items()
for names in day_data.values()
for name in names
}
if request.method == "POST":
cal = defaultdict(list)
for selected_name in request.form.getlist("words"):
if selected_name in names_dict:
month, day, name = selected_name.split("_")
date = datetime.date(2000, int(month), int(day))
cal[date].append(name)
if cal:
name = f"{uuid.uuid4().hex}.ics"
f = generate_ical_for_mapping(cal)
return send_file(f, mimetype="text/calendar", as_attachment=True, download_name=name)
words = ((k,v) for k,v in sorted(names_dict.items(), key=lambda x: x[1]))
return render_template("namedays.html", words=words)
if __name__ == "__main__":
app.run("0.0.0.0", 5000, True, False)