One more change of data model

db.ddl

 CREATE TABLE zoom_users (
-	id		serial		PRIMARY KEY,		-- our internal
+	uid		serial		PRIMARY KEY,
 	user_id		varchar(255)	UNIQUE NOT NULL,	-- Zoom's
 	email		varchar(255)	NOT NULL,
 	full_name	varchar(255)	NOT NULL
 );
 
 CREATE TABLE zoom_meetings (
-	id		serial		PRIMARY KEY,		-- our internal
-	meeting_id	int		NOT NULL,		-- Zoom's meeting ID
+	mid		serial		PRIMARY KEY,
+	meeting_id	int		UNIQUE NOT NULL,	-- Zoom's meeting ID
 	uuid		varchar(255)	NOT NULL,		-- Zoom's meeting instance ID
-	occurrence_id	bigint		DEFAULT NULL,		-- Occurrence for recurring meetings
-	host_id		int		NOT NULL REFERENCES zoom_users(id),
+	host_uid	int		NOT NULL REFERENCES zoom_users(uid),
 	topic		varchar(255)	DEFAULT '',
-	type		int		NOT NULL,		-- 1=instant, 2=scheduled, 3=recurring no time, 8=recurring fixed time
+	type		int		NOT NULL		-- 1=instant, 2=scheduled, 3=recurring no time, 8=recurring fixed time
+);
+
+CREATE TABLE zoom_schedule (
+	id		serial		PRIMARY KEY,
+	mid		int		NOT NULL REFERENCES zoom_meetings(mid),
+	occurrence_id	bigint		DEFAULT 0,		-- Occurrence for recurring meetings, 0 otherwise
 	start_time	timestamp	NOT NULL,
-	duration	int		NOT NULL		-- minutes
+	duration	int		NOT NULL,		-- minutes
+	UNIQUE(mid, occurrence_id)
 );

fetch-meetings.py

@@ -8,7 +8,6 @@ import psycopg2
 import psycopg2.extras
 import time
 import dateutil.parser
-# import dateutil.tz
 import sys
 
 verbose = True
@@ -23,14 +22,11 @@ db_conn = psycopg2.connect(dbname=config['db']['name'], user=config['db']['user'
 db = db_conn.cursor(cursor_factory=psycopg2.extras.NamedTupleCursor)
 
 
-def parse_time(iso_time, tz_name):
-    utc = dateutil.parser.isoparse(iso_time)
-    # tz = dateutil.tz.gettz(tz_name)
-    # return utc.astimezone(tz)
-    return utc
+def parse_time(iso_time):
+    return dateutil.parser.isoparse(iso_time)
 
 
-def add_recurring(uid, meet):
+def add_recurring(mid, meet):
     time.sleep(0.2)
     resp = client.meeting.get(host_id = meet['host_id'], id = meet['id'])
     resp.raise_for_status()
@@ -40,45 +36,49 @@ def add_recurring(uid, meet):
 
     for occ in details["occurrences"]:
         db.execute("""
-                INSERT INTO zoom_meetings
-                (meeting_id, uuid, occurrence_id, host_id, topic, type, start_time, duration)
-                VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
+                INSERT INTO zoom_schedule
+                (mid, occurrence_id, start_time, duration)
+                VALUES (%s, %s, %s, %s)
             """, (
-                meet['id'],
-                meet['uuid'],
+                mid,
                 occ['occurrence_id'],
-                uid,
-                meet['topic'],
-                meet['type'],
-                parse_time(occ['start_time'], meet['timezone']),
+                parse_time(occ['start_time']),
                 occ['duration'],
             ))
 
 
 def add_meeting(uid, meet):
-    type = meet['type']
-    if type == 3:
-        # Type 3 meetings (scheduled with no time) are ignored
-        return
-
-    if type == 8:
-        # Recurring meetings: need to ask for the list of occurrences
-        add_recurring(uid, meet)
-        return
-
     db.execute("""
             INSERT INTO zoom_meetings
-            (meeting_id, uuid, host_id, topic, type, start_time, duration)
-            VALUES (%s, %s, %s, %s, %s, %s, %s)
+            (meeting_id, uuid, host_uid, topic, type)
+            VALUES (%s, %s, %s, %s, %s)
+            RETURNING mid
         """, (
             meet['id'],
             meet['uuid'],
             uid,
             meet['topic'],
             meet['type'],
-            parse_time(meet['start_time'], meet['timezone']),
-            meet['duration'],
         ))
+    meeting_row = db.fetchone()
+    mid = meeting_row.mid
+
+    mtype = meet['type']
+    if mtype == 8:
+        # Recurring meetings: need to ask for the list of occurrences
+        add_recurring(mid, meet)
+    elif 'start_time' in meet:
+        # Other meetings usually have a starting time
+        db.execute("""
+                INSERT INTO zoom_schedule
+                (mid, occurrence_id, start_time, duration)
+                VALUES (%s, %s, %s, %s)
+            """, (
+                mid,
+                0,
+                parse_time(meet['start_time']),
+                meet['duration'],
+            ))
 
 
 def get_meetings(uid, user_id):
@@ -111,11 +111,12 @@ def get_meetings(uid, user_id):
     assert total_rec == expected_rec, "Unexpected number of records, probably because of race condition"
 
 
+db.execute('DELETE FROM zoom_schedule')
 db.execute('DELETE FROM zoom_meetings')
 
 db.execute("SELECT * FROM zoom_users")
 users = db.fetchall()
 for u in users:
-    get_meetings(u.id, u.user_id)
+    get_meetings(u.uid, u.user_id)
 
 db_conn.commit()