graph_helper.py

from flask import session
import requests
import os
import datetime
import dateutil.parser
from auth_helper import get_token

graph_url = 'https://graph.microsoft.com/beta'
user_id = os.environ['user_id']

def get_rooms():
    token = get_token()
    url = '{0}/users/{1}/{2}'.format(graph_url, user_id, 'findrooms')
    headers = {"Authorization": "Bearer {0}".format(token)}
    response = requests.get(url, headers=headers).json()
    if 'value' in response:
        return response['value']
    else:
        print(response)
        return []


def get_meetings(room):
    token = get_token()
    today = datetime.date.today().strftime("%Y-%m-%d")
    data = {
        "schedules": [room],
        "startTime": {
            "dateTime": "{0}T08:00:00".format(today),
            "timeZone": "UTC"
        },
        "endTime": {
            "dateTime": "{0}T18:00:00".format(today),
            "timeZone": "UTC"
        },
        "availabilityViewInterval": "60"
    }
    url = '{0}/users/{1}/{2}'.format(graph_url, user_id, 'calendar/getSchedule')
    headers = {
        "Authorization": "Bearer {0}".format(token),
        "Prefer": 'outlook.timezone="Europe/London"'
    }
    schedules = requests.post(url, json=data, headers=headers).json()['value'][0]
    today = datetime.date.today()
    basedate = datetime.datetime(today.year, today.month, today.day, 8)
    schedules['currenttime'] = abs((datetime.datetime.now() - basedate).total_seconds() / 60) * 2
    for event in schedules['scheduleItems']:
        start = dateutil.parser.parse(event['start']['dateTime'])
        end = dateutil.parser.parse(event['end']['dateTime'])
        event['start']['dateTime'] = start.strftime('%H:%M')
        event['end']['dateTime'] = end.strftime('%H:%M')
        event['length'] = abs((end - start).total_seconds() / 60 ) * 2
        event['offset'] = abs((start - basedate).total_seconds() / 60) * 2
    return schedules