func addflightHandler(w http.ResponseWriter, r *http.Request) { c := appengine.NewContext(r) log := fmt.Sprintf("* addFlightHandler invoked: %s\n", time.Now().UTC()) fsStr := r.FormValue("flightsnapshot") fs := ftype.FlightSnapshot{} if err := fs.Base64Decode(fsStr); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } fr24Id := fs.F.Id.ForeignKeys["fr24"] // This is the only field we take from the log += fmt.Sprintf("* fr24 key: %s\n", fr24Id) db := fdb.FlightDB{C: c} fr24db, err := fdb24.NewFlightDBFr24(urlfetch.Client(c)) if err != nil { c.Errorf(" /mdb/addflight: newdb: %v", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } // Be idempotent - check to see if this flight has already been recorded /* Can't do this check now; the fs.F.Id we cached might be different from the * f.Id we get back from LookupPlayback(), because fr24 reuse their keys. * if exists,err := db.FlightExists(fs.F.Id.UniqueIdentifier()); err != nil { c.Errorf(" /mdb/addflight: FlightExists check failed: %v", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } else if exists { c.Infof(" /mdb/addflight: already exists %s", fs) w.Write([]byte(fmt.Sprintf("Skipped %s\n", fs))) return } log += fmt.Sprintf("* FlightExists('%s') -> false\n", fs.F.Id.UniqueIdentifier()) */ // Now grab an initial flight (with track), from fr24. var f *ftype.Flight if f, err = fr24db.LookupPlayback(fr24Id); err != nil { // c.Errorf(" /mdb/addflight: lookup: %v", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } log += fmt.Sprintf("* the fr24/default track has %d points\n", len(f.Track)) // Kludge: fr24 keys get reused, so the flight fr24 thinks it refers to might be // different than when we cached it. So we do the uniqueness check here, to avoid // dupes in the DB. Need a better solution to this. if exists, err := db.FlightExists(f.Id.UniqueIdentifier()); err != nil { c.Errorf(" /mdb/addflight: FlightExists check failed: %v", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } else if exists { c.Infof(" /mdb/addflight: already exists %s", *f) w.Write([]byte(fmt.Sprintf("Skipped %s\n", *f))) return } log += fmt.Sprintf("* FlightExists('%s') -> false\n", f.Id.UniqueIdentifier()) // Fetch ADSB tracks from the new thing err, deb := f.GetV2ADSBTrack(urlfetch.Client(c)) log += "* fetchV2ADSB\n" + deb if err != nil { c.Errorf("ADSB fetch err: %v", err) } // If we have any locally received ADSB fragments for this flight, add them in //if err := db.MaybeAddTrackFragmentsToFlight(f); err != nil { // c.Errorf(" /mdb/addflight: addTrackFrags(%s): %v", f.Id, err) //} f.AnalyseFlightPath() // Takes a coarse look at the flight path log += fmt.Sprintf("* Initial tags: %v\n", f.TagList()) // For flights on the SERFR1 or BRIXX1 approaches, fetch a flightaware track if f.HasTag(ftype.KTagSERFR1) || f.HasTag(ftype.KTagBRIXX) { u, p := kFlightawareAPIUsername, kFlightawareAPIKey if err := fdbfa.AddFlightAwareTrack(urlfetch.Client(c), f, u, p); err != nil { c.Errorf(" /mdb/addflight: addflightaware: %v", err) } } f.Analyse() if err := db.PersistFlight(*f, log); err != nil { c.Errorf(" /mdb/addflight: persist: %v", err) http.Error(w, err.Error(), http.StatusInternalServerError) return } // Success ! w.Write([]byte(fmt.Sprintf("Added %s\n", f))) }