89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
from datetime import datetime
|
|
import os.path
|
|
from base64 import b16encode
|
|
|
|
from google.auth.transport.requests import Request
|
|
from google.oauth2.credentials import Credentials
|
|
from google_auth_oauthlib.flow import InstalledAppFlow
|
|
from googleapiclient.discovery import build, Resource
|
|
from googleapiclient.errors import HttpError
|
|
|
|
# If modifying these scopes, delete the file token.json.
|
|
SCOPES = [
|
|
"https://www.googleapis.com/auth/calendar.readonly",
|
|
"https://www.googleapis.com/auth/calendar.events",
|
|
]
|
|
|
|
|
|
class CalendarService:
|
|
service: Resource
|
|
|
|
def __init__(self):
|
|
creds = self._authenticate()
|
|
self.service = build("calendar", "v3", credentials=creds)
|
|
|
|
@staticmethod
|
|
def encode_event_id(id):
|
|
return b16encode(id.encode("ascii")).decode("ascii").lower().rstrip("=")
|
|
|
|
def _authenticate(self) -> Credentials:
|
|
creds = None
|
|
# The file token.json stores the user's access and refresh tokens, and is
|
|
# created automatically when the authorization flow completes for the first
|
|
# time.
|
|
if os.path.exists("token.json"):
|
|
creds = Credentials.from_authorized_user_file("token.json", SCOPES)
|
|
# If there are no (valid) credentials available, let the user log in.
|
|
if not creds or not creds.valid:
|
|
if creds and creds.expired and creds.refresh_token:
|
|
creds.refresh(Request())
|
|
else:
|
|
flow = InstalledAppFlow.from_client_secrets_file(
|
|
"credentials.json", SCOPES
|
|
)
|
|
creds = flow.run_local_server(port=0)
|
|
# Save the credentials for the next run
|
|
with open("token.json", "w") as token:
|
|
token.write(creds.to_json())
|
|
|
|
return creds
|
|
|
|
def insert_or_update_event(
|
|
self, calendar_id: str, id: str, title: str, start: datetime, end: datetime
|
|
):
|
|
event_id = self.encode_event_id(id)
|
|
event = {
|
|
"id": event_id,
|
|
"summary": title,
|
|
"start": {
|
|
"dateTime": start.isoformat() + "Z", # 'Z' indicates UTC time
|
|
},
|
|
"end": {
|
|
"dateTime": end.isoformat() + "Z", # 'Z' indicates UTC time
|
|
},
|
|
}
|
|
|
|
print(f"Adding/updating event: {title}, start: {start}, end: {end}")
|
|
|
|
try:
|
|
self.service.events().update(
|
|
calendarId=calendar_id, eventId=event_id, body=event
|
|
).execute()
|
|
|
|
except HttpError as error:
|
|
# Create event if it doesn't exist
|
|
if error.status_code == 404:
|
|
self.service.events().insert(
|
|
calendarId=calendar_id, body=event
|
|
).execute()
|
|
|
|
else:
|
|
raise
|
|
|
|
def delete_event(self, calendar_id: str, id: str):
|
|
event_id = self.encode_event_id(id)
|
|
try:
|
|
self.service.events().delete(calendar_id, event_id)
|
|
except HttpError as error:
|
|
print("Got error when deleting event: ", error)
|