clear expired sessions on server start

why wasn't i doing this before?? 😭

controller/session.go

@@ -188,3 +188,7 @@ func DeleteSession(db *sqlx.DB, token string) error {
     return err
 }
 
+func DeleteExpiredSessions(db *sqlx.DB) error {
+    _, err := db.Exec("DELETE FROM session WHERE expires_at<current_timestamp")
+    return err
+}

main.go

@@ -487,6 +487,13 @@ func main() {
         fmt.Printf("No accounts exist! Generated invite code: %s\n", invite.Code)
     }
 
+    // delete expired sessions
+    err = controller.DeleteExpiredSessions(app.DB)
+    if err != nil {
+        fmt.Fprintf(os.Stderr, "FATAL: Failed to clear expired sessions: %v\n", err)
+        os.Exit(1)
+    }
+
     // delete expired invites
     err = controller.DeleteExpiredInvites(app.DB)
     if err != nil {