add attend functionallity

app.py

@@ -1,9 +1,10 @@
-import calendar_interface
-import sqlite3
+import logging
+import json
 
 from flask import Flask, render_template, g, request, url_for, flash, redirect
 from werkzeug.exceptions import abort
 
+import calendar_interface
 import db
 import auth
 
@@ -29,3 +30,23 @@ def index():
 # def post(post_id):
 #     post = get_post(post_id)
 #     return render_template('show_event.html', post=post)
+
+@app.route('/<id>/attend')
+@auth.login_required
+def attend(id):
+    event = calendar_interface.get_calendar_event(id)
+
+    user = g.user["username"]
+    email = g.user["email"]
+
+    # only update attendees, now the whole event
+    data = {}
+    data["attendees"] = event["attendees"]
+
+    logging.info("attempting to attend event with user: %s %s", email, user)
+    calendar_interface.add_attendee(data, user, email)
+
+    logging.info("Sending data for attendee update:\n%s", json.dumps(data, indent=2))
+    calendar_interface.update_calendar_event(id, data)    
+
+    return redirect(url_for('index'))

calendar_interface.py

@@ -70,7 +70,9 @@ def execute_patch_request(token, endpoint, data):
         #data=data, 
         headers={'Authorization': 'Bearer ' + token['access_token']},).json()
 
-def update_calendar_event(token, event_id, data, user_id=USER_ID):
+def update_calendar_event(event_id, data, user_id=USER_ID):
+    token = get_access_token()
+
     endpoint= "https://graph.microsoft.com/v1.0/users/" + user_id + f"/calendar/events/{event_id}"
     return execute_patch_request(token, endpoint, data)
 
@@ -87,6 +89,12 @@ def get_all_calendar_events():
 
     return execute_user_request(token, f"calendars/{CALENDAR_ID}/events").get("value")
 
+def get_calendar_event(id, filter: str=""):
+    token = get_access_token()
+
+    return execute_user_request(token, f"calendars/{CALENDAR_ID}/events/{id}{filter}")
+
+
 def get_future_calendar_events():
 
     t1=datetime.now()
@@ -118,6 +126,27 @@ def convert_datetimes(events):
 
     return events
 
+def add_attendee(data, name, email):
+    d = {
+            "type": "required",
+                "status": {
+                "response": "none",
+                "time": "0001-01-01T00:00:00Z"
+            },
+            "emailAddress": {
+                "name": name,
+                "address": email
+            }
+        }
+        
+    data["attendees"].append(d)
+
+def delte_attendee(data, email):
+    for i, d in enumerate(data["attendees"]):
+        if d["emailAddress"]["address"] == email:
+            del data[i]
+            break
+
 
 if __name__ == "__main__":
 
@@ -176,8 +205,9 @@ if __name__ == "__main__":
         data["attendees"][0]["emailAddress"]["address"] = "struebin.patrick@gmail.com"
 
         #Test2
-        event_id = "AAMkADY0MDg1MTVjLTg5ZjItNGQxYS04MGQ3LWY2NjJmYjM0YmZhOQBGAAAAAADXD7SdVoWYQI4RYXbBumMEBwAf_ngZxs71RonY3GuLL8TVAADHFw_OAAAf_ngZxs71RonY3GuLL8TVAABLH9QmAAA="
-        ret = update_calendar_event(token, event_id, data)
+        event_id = "AAMkADY0MDg1MTVjLTg5ZjItNGQxYS04MGQ3LWY2NjJmYjM0YmZhOQBGAAAAAADXD7SdVoWYQI4RYXbBumMEBwAf_ngZxs71RonY3GuLL8TVAADHFw_OAAAf_ngZxs71RonY3GuLL8TVAADQqYjcAAA%3D"
+        ret = get_calendar_event(event_id)
+        #ret = update_calendar_event(token, event_id, data)
 
         print(json.dumps(ret, indent=2))