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EventNotifier.py
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EventNotifier.py
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from discord_webhook import DiscordWebhook
import mysql.connector
import sys
import argparse
import datetime
import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request
from dateutil.parser import parse
parser = argparse.ArgumentParser(description='Take in secrets for this script.')
parser.add_argument('--channelid', help='a channel id for the accouncements')
parser.add_argument('--dbpassword', help='password for the db')
# parser.add_argument('--sum', dest='accumulate', action='store_const',
# const=sum, default=max,
# help='sum the integers (default: find the max)')
args = parser.parse_args()
SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
# Set up discord
uri = "https://discordapp.com/api/webhooks/{}".format(args.channelid)
# connect to the db
try:
print("Connecting to database.")
conn = mysql.connector.connect(
user="app0005",
password=args.dbpassword,
host="192.168.1.101",
port=3306,
database="csg_automations"
)
except mysql.connector.Error as e:
print(f"Error connecting to MariaDB Platform: {e}")
sys.exit(1)
print("Successful connection to database.")
cursor = conn.cursor()
creds = None
# The file token.pickle 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.pickle'):
with open('token.pickle', 'rb') as token:
creds = pickle.load(token)
# 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.pickle', 'wb') as token:
pickle.dump(creds, token)
try:
service = build('calendar', 'v3', credentials=creds)
except:
e = sys.exc_info()[0]
print(e)
exit(1)
# Call the Calendar API
now = datetime.datetime.utcnow().isoformat() + 'Z' # 'Z' indicates UTC time
print('fetching the closest 10 events')
events_result = service.events().list(calendarId='[email protected]',
timeMin=now,
maxResults=10, singleEvents=True,
orderBy='startTime').execute()
events = events_result.get('items', [])
if not events:
print('No upcoming events found.')
for event in events:
eventid = event['id']
print(f"Processing {eventid}:'{event['summary']}'")
now = datetime.datetime.now()
# Some events are deadlines which we put in as events that last all day.
# These events will be logged sparely in the db and have a different schedule
# Deadlines alert at noon on the following schedule: 1 week before, 3 days before, and 1 day before
# If event['start'] is of date assume it is a deadline
if list(event['start'].keys())[0] == 'date':
deadlineTime = parse(event['start']['date'])
# if deadline exists in db get details otherwise create it
cursor.execute(f"SELECT * FROM csg_automations.eventNotification where eventID = '{eventid}'")
data = cursor.fetchone()
if data is None:
cursor.execute(
f"INSERT INTO `csg_automations`.`eventNotification` (`eventId`,`type`) VALUES ('{eventid}', 'deadline' )")
conn.commit()
# Get the data that we just entered
cursor.execute(f"SELECT * FROM csg_automations.eventNotification where eventID = '{eventid}'")
data = cursor.fetchone()
# See if the time is within epsilon
deadline1w = (deadlineTime - datetime.timedelta(days=7)).replace(hour=12)
deadline3d = (deadlineTime - datetime.timedelta(days=3)).replace(hour=12)
deadline1d = (deadlineTime - datetime.timedelta(days=1)).replace(hour=12)
# deadline1d = (parse(event['end']['date'])).replace(hour=12)
# 1 week alert
if data[2] == 0 and (now.day == deadline1w.day):
# update db
cursor.execute(
f"UPDATE `csg_automations`.`eventNotification` SET `oneWeek` = 1 WHERE `eventId` = '{eventid}'")
conn.commit()
# send alert
webhook = DiscordWebhook(url=uri,
content=f"@everyone Hey reminder bot here,\n The CSG has a deadline for "
f"'{event['summary']}' in 1 week.\n"
f"Please do not forget to sign up if you are interested. \n"
f"------------------------------\n"
f"Details: \n\n {event['description']}")
response = webhook.execute()
print(response)
# Send an email here if you want
# 3 day alert
if data[3] == 0 and (now.day == deadline3d.day):
# update db
cursor.execute(
f"UPDATE `csg_automations`.`eventNotification` SET `threeDay` = 1 WHERE `eventId` = '{eventid}'")
conn.commit()
# send alert
webhook = DiscordWebhook(url=uri,
content=f"@everyone Hey reminder bot here,\n The CSG has a deadline for"
f" '{event['summary']}' in 3 days. \n"
f"Do not forget to sign up if you are interested. \n"
f"------------------------------\n"
f"Details: \n\n {event['description']}")
response = webhook.execute()
print(response)
# 1 day alert
if data[4] == 0 and (now.day == deadline1d.day):
# update db
cursor.execute(
f"UPDATE `csg_automations`.`eventNotification` SET `oneDay` = 1 WHERE `eventId` = '{eventid}'")
conn.commit()
# send alert
webhook = DiscordWebhook(url=uri,
content=f"@everyone Hey reminder bot here,\n The CSG has a deadline for"
f" '{event['summary']}' tomorrow.\n"
f"Do not forget to sign up if you are interested. \n"
f"------------------------------\n"
f"Details: \n\n {event['description']}")
response = webhook.execute()
print(response)
else:
# Events alert on the following schedule: 3 days before, 1 day before, 30 minutes before
eventTime = parse(event['start']['dateTime'])
event3d = (eventTime - datetime.timedelta(days=3)).replace(tzinfo=None)
event1d = (eventTime - datetime.timedelta(days=1)).replace(tzinfo=None)
event30min = (eventTime - datetime.timedelta(minutes=30)).replace(tzinfo=None)
envTime = eventTime.strftime("%H:%M:%S")
# if event exists in db get details otherwise create it
cursor.execute(f"SELECT * FROM csg_automations.eventNotification where eventID = '{eventid}'")
data = cursor.fetchone()
if data is None:
cursor.execute(
f"INSERT INTO `csg_automations`.`eventNotification` (`eventId`,`type`) VALUES ('{eventid}', 'event' )")
conn.commit()
# Get the data that we just entered
cursor.execute(f"SELECT * FROM csg_automations.eventNotification where eventID = '{eventid}'")
data = cursor.fetchone()
# send an alert for 3 days before
if data[2] == 0 and (now.day == event3d.day):
# update db
cursor.execute(
f"UPDATE `csg_automations`.`eventNotification` SET `threeday` = 1 WHERE `eventId` = {eventid}")
conn.commit()
# send alert
webhook = DiscordWebhook(url=uri, content=f"@everyone Hey reminder bot here,\n CSG will be hosting "
f"'{event['summary']}' in 3 days"
f" on the {eventTime.day} at {envTime}.\n"
f"We hope to see everyone there!\n"
f"------------------------------\n"
f"Details: \n\n {event['description']}")
response = webhook.execute()
print(response)
# send an alert for 1 day before
if data[4] == 0 and (now.day == event1d.day):
# update db
cursor.execute(
f"UPDATE `csg_automations`.`eventNotification` SET `oneDay` = 1 WHERE `eventId` = '{eventid}'")
conn.commit()
# send alert
webhook = DiscordWebhook(url=uri,
content=f"@everyone Hey reminder bot here,\n CSG will be hosting '{event['summary']}'"
f" tomorrow, the {eventTime.day} at {envTime}.\n "
f"We hope to see everyone there!\n"
f"------------------------------\n"
f"Details: \n\n {event['description']}")
response = webhook.execute()
print(response)
# send an alert for 30 minutes before
if data[5] == 0 and (-1 < ((now-event30min).total_seconds())/60 < 30):
# update db
cursor.execute(
f"UPDATE `csg_automations`.`eventNotification` SET `thirtyMinutes` = 1 WHERE `eventId` = '{eventid}'")
conn.commit()
# send alert
webhook = DiscordWebhook(url=uri, content=f"@everyone\n Hey reminder bot here,\n CSG will be hosting "
f"'{event['summary']}' in 30 minutes!\n"
f"Don't forget to join in!\n"
f"------------------------------\n"
f"Details: \n\n{event['description']}")
response = webhook.execute()
print(response)