Google Calendar API Autherization
samerbam
1 year ago
parent
4f5a6e67af
commit
3adcff562f
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true
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TODO:
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- check if first run (api call) and show google calendar login button
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* schedule pypi every().day() or smth like that at (time to print)-5 minutes to update calendar and get ready to print new daily list
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* parse calendar list to database format and call save_todos() with list of Todos
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- Start uvicorn on device startup (using gunicorn + sysmtectl)
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@ -1,7 +1,164 @@
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#TODO: All Google/iCloud Calendar syncing logic here
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import google_auth_oauthlib.flow
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from google.auth.transport.requests import Request
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from google.oauth2.credentials import Credentials
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from googleapiclient.discovery import build
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from googleapiclient.errors import HttpError
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import os
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import json
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import datetime
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from .database import TodoDatabase
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data = TodoDatabase()
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from datetime import datetime, time, timedelta
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import pytz
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from zoneinfo import ZoneInfo
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from datetime import timezone
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def midnight_UTC(offset):
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# Construct a timezone object
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tz = pytz.timezone('America/Toronto')
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# Work out today/now as a timezone-aware datetime
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today = datetime.now(tz)
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# Adjust by the offset. Note that that adding 1 day might actually move us 23 or 25
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# hours into the future, depending on daylight savings. This works because the {today}
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# variable is timezone aware
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target_day = today + timedelta(days=1) * offset
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# Discard hours, minutes, seconds and microseconds
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midnight_aware = tz.localize(
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datetime.combine(target_day, time(0, 0, 0, 0)), is_dst=None)
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# Convert to UTC
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midnight_UTC = midnight_aware.astimezone(pytz.utc)
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return midnight_UTC
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class SyncData():
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def __init__(self):
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self.SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
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self.creds = None
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self.get_new_creds()
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self.get_calendar_events()
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def get_new_creds(self, code=""):
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"""Returns True if successfully obtains credentials,
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otherwise throws errors according to functions called, unless
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code='' in which case if no saved credentials are found, returns False
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"""
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if os.path.exists('token.json'):
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self.creds = Credentials.from_authorized_user_file('token.json', self.SCOPES)
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# else:
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# flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
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# 'client_secret.json',
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# scopes=['https://www.googleapis.com/auth/calendar.readonly'],
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# redirect_uri="postmessage"
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# # state=state
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# )
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# creds = flow.fetch_token(code=googleCode.code)
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# print(creds)
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# with open("token.json", 'w') as token:
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# token.write(creds.to_json())
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if not self.creds or not self.creds.valid:
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if self.creds and self.creds.expired and self.creds.refresh_token:
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self.creds.refresh(Request())
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else:
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if code == "":
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return False
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# flow = InstalledAppFlow.from_client_secrets_file(
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# 'credentials.json', SCOPES)
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# creds = flow.run_local_server(port=0)
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flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
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'client_secret.json',
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scopes=self.SCOPES,
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redirect_uri="postmessage"
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# state=state
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)
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flow.fetch_token(code=code)
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self.creds = flow.credentials
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# print(creds)
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# Save the credentials for the next run
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with open('token.json', 'w') as token:
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token.write(self.creds.to_json())
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# json.dump(token, creds)
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return True
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def get_calendar_events(self, day=None):
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self.get_new_creds()
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# now = datetime.now()
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# if day:
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# now = datetime.datetime.strptime(day, "%Y-%m-%d")
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# else:
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# now = datetime.datetime.now()
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# day_start = now.replace(hour=0, minute=0, second=0, microsecond=0)
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# day_end = day_start + datetime.timedelta(hours=24)
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# day_start = day_start.isoformat() + "Z"
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# day_end = day_end.isoformat() + "Z"
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if day:
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pass
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else:
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# day_start = midnight_UTC(0).isoformat() + "Z"
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# day_end = midnight_UTC(1).isoformat() + "Z"
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day_start = datetime.combine(datetime.now(tz=ZoneInfo("America/Toronto")).date(), time(0, 0), tzinfo=ZoneInfo("America/Toronto"))
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day_end = day_start + timedelta(hours=23,minutes=59)
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# day_start_for = day_start.astimezone(ZoneInfo("UTC")).isoformat() + "Z"
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# day_end_for = day_end.astimezone(ZoneInfo("UTC")).isoformat() + "Z"
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day_start_for = day_start.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ')
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day_end_for = day_end.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ')
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# print(day_start.tzname())
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print(day_start)
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print(day_end)
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print(day_start.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ'))
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print(day_end.astimezone(ZoneInfo("UTC")).strftime('%Y-%m-%dT%H:%M:%S.%fZ'))
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print(datetime.utcnow().isoformat() + 'Z')
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try:
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service = build('calendar', 'v3', credentials=self.creds)
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# Call the Calendar API
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# now = datetime.datetime.utcnow().isoformat() + 'Z' # 'Z' indicates UTC time
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print('Getting all upcoming events for time range: ' + day_start_for + " to " + day_end_for)
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events_result = service.events().list(calendarId='primary', timeMin=day_start_for, timeMax=day_end_for,
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singleEvents=True, orderBy='startTime').execute()
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events = events_result.get('items', [])
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if not events:
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print('No upcoming events found.')
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return
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# Prints the start and name of the next 10 events
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# event format: {'kind': 'calendar#event', 'etag': '"3386046190326000"', 'id': '0migcv6t729ph1kirhiauej3eh', 'status': 'confirmed', 'htmlLink': 'https://www.google.com/calendar/event?eid=MG1pZ2N2NnQ3MjlwaDFraXJoaWF1ZWozZWggYmFtLmltLnNhbUBt', 'created': '2023-08-26T04:11:35.000Z', 'updated': '2023-08-26T04:11:35.163Z', 'summary': 'test', 'creator': {'email': 'bam.im.sam@gmail.com', 'self': True}, 'organizer': {'email': 'bam.im.sam@gmail.com', 'self': True}, 'start': {'dateTime': '2023-08-27T14:30:00-04:00', 'timeZone': 'America/Toronto'}, 'end': {'dateTime': '2023-08-27T15:30:00-04:00', 'timeZone': 'America/Toronto'}, 'iCalUID': '0migcv6t729ph1kirhiauej3eh@google.com', 'sequence': 0, 'reminders': {'useDefault': True}, 'eventType': 'default'}
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for event in events:
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print(event)
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start = event['start'].get('dateTime', event['start'].get('date'))
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end = event['end'].get('dateTime', event['end'].get('date'))
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print(start, "->", end, event['summary'])
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except HttpError as error:
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print('An error occurred: %s' % error)
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#TODO: Obtain calendar data and save to local database, parse into printable content
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@ -0,0 +1 @@
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{"web":{"client_id":"","project_id":"thermaltodos","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"","javascript_origins":["https://thermaltodos.imsam.ca"]}}
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