Several enhancements

app/calenderExport/graph_all_events.py

@@ -0,0 +1,55 @@
+import requests
+import csv
+
+# === Configuration ===
+ACCESS_TOKEN = "YOUR_ACCESS_TOKEN_HERE"
+START_DATETIME = "2025-05-19T00:00:00Z"
+END_DATETIME   = "2025-05-26T23:59:59Z"
+OUTPUT_FILE    = "calendar.csv"
+
+# === Setup headers ===
+headers = {
+    "Authorization": f"Bearer {ACCESS_TOKEN}",
+    "Prefer": 'outlook.timezone="UTC"'
+}
+
+# === Initial API endpoint ===
+base_url = "https://graph.microsoft.com/v1.0/me/calendarview"
+params = {
+    "$select": "subject,start,end",
+    "startDateTime": START_DATETIME,
+    "endDateTime": END_DATETIME
+}
+
+# === Event storage ===
+all_events = []
+
+# === Fetch all pages ===
+print("Fetching events...")
+url = base_url
+while url:
+    response = requests.get(url, headers=headers, params=params if url == base_url else None)
+    if response.status_code != 200:
+        print("Failed to fetch events:", response.status_code, response.text)
+        break
+
+    data = response.json()
+    events = data.get("value", [])
+    all_events.extend(events)
+
+    # Get next page link
+    url = data.get("@odata.nextLink")
+
+# === Write to CSV ===
+print(f"Writing {len(all_events)} events to {OUTPUT_FILE}...")
+with open(OUTPUT_FILE, "w", newline="", encoding="utf-8") as f:
+    writer = csv.DictWriter(f, fieldnames=["subject", "start", "end"])
+    writer.writeheader()
+    for e in all_events:
+        writer.writerow({
+            "subject": e.get("subject", ""),
+            "start": e.get("start", {}).get("dateTime", ""),
+            "end": e.get("end", {}).get("dateTime", "")
+        })
+
+print("Done.")