From 5919bca2cabe9056bda7bb991464801a6167a9c3 Mon Sep 17 00:00:00 2001
From: Bradley Bickford <bradleybickford@gmail.com>
Date: Sun, 19 Nov 2023 11:11:47 -0500
Subject: [PATCH] Adding a script to test retrieval of calendar events

---
 .gitignore                |  1 +
 complex_gcalendar_test.py |  2 +-
 get_calendar_events.py    | 89 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 get_calendar_events.py

diff --git a/.gitignore b/.gitignore
index 83f6e39..cb561b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 credentials.json
+token.json
\ No newline at end of file
diff --git a/complex_gcalendar_test.py b/complex_gcalendar_test.py
index 2c4886c..5769d69 100644
--- a/complex_gcalendar_test.py
+++ b/complex_gcalendar_test.py
@@ -10,7 +10,7 @@ from googleapiclient.discovery import build
 from googleapiclient.errors import HttpError
 from pprint import pprint
 
-SCOPES = ['https://www.googleapis.comd/auth/calendar.readonly']
+SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
 
 def authorize():
     creds = None
diff --git a/get_calendar_events.py b/get_calendar_events.py
new file mode 100644
index 0000000..440e793
--- /dev/null
+++ b/get_calendar_events.py
@@ -0,0 +1,89 @@
+from __future__ import print_function
+
+import datetime
+import os.path
+import argparse
+
+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
+from googleapiclient.errors import HttpError
+from pprint import pprint
+
+SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']
+
+def authorize():
+    creds = None
+
+    if os.path.exists('token.json'):
+        creds = Credentials.from_authorized_user_file('token.json', SCOPES)
+
+    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=7384)
+
+        with open('token.json', 'w') as token:
+            token.write(creds.to_json())
+
+    return creds
+
+def construct_calendar_service(creds):
+    return build('calendar', 'v3', credentials=creds)
+
+def list_all_calendars(calendar_service):
+    page_token = None
+    list_of_entries = []
+
+    while True:
+        calendar_list = calendar_service.calendarList().list(pageToken=page_token).execute()
+        
+        list_of_entries.extend(calendar_list['items'])
+
+        page_token = calendar_list.get('nextPageToken')
+
+        if not page_token:
+            break
+
+    return list_of_entries
+
+def get_calendar_events(calendar_service, calendar_id, num_events):
+    now = datetime.datetime.utcnow().isoformat() + "Z"
+
+    events_result = calendar_service.events().list(
+        calendarId=calendar_id,
+        timeMin=now,
+        maxResults=num_events,
+        singleEvents=True,
+        orderBy='startTime'
+    ).execute()
+
+    events = events_result.get('items', [])
+
+    return events
+
+def main():
+    argument_parser = argparse.ArgumentParser()
+    argument_parser.add_argument('calendarname', help="The calendar name you want to see events from")
+    argument_parser.add_argument('numberofevents', help="The number of events to return")
+    parsed_args = argument_parser.parse_args()
+
+    creds = authorize()
+
+    service = construct_calendar_service(creds)
+
+    all_calendars = list_all_calendars(service)
+
+    for element in all_calendars:
+        if element["summary"] == parsed_args.calendarname:
+            events = get_calendar_events(service, element["id"], parsed_args.numberofevents)
+
+            pprint(events)
+
+            break
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file