// This enqueues tasks for each individual day, or flight
func batchFlightScanHandler(w http.ResponseWriter, r *http.Request) {
c := appengine.NewContext(r)
tags := []string{} //"ADSB"} // Maybe make this configurable ...
n := 0
str := ""
s, e, _ := widget.FormValueDateRange(r)
job := r.FormValue("job")
if job == "" {
http.Error(w, "Missing argument: &job=foo", http.StatusInternalServerError)
}
days := date.IntermediateMidnights(s.Add(-1*time.Second), e) // decrement start, to include it
for _, day := range days {
// Get the keys for all the flights on this day.
fdb := oldfgae.FlightDB{C: oldappengine.NewContext(r)}
dStart, dEnd := date.WindowForTime(day)
dEnd = dEnd.Add(-1 * time.Second)
keys, err := fdb.KeysInTimeRangeByTags(tags, dStart, dEnd)
if err != nil {
log.Errorf(c, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
singleFlightUrl := "/backend/fdb-batch/flight"
for _, key := range keys {
str += fmt.Sprintf("Enqueing day=%s: %s?job=%s&key=%s\n",
day.Format("2006.01.02"), singleFlightUrl, job, key.Encode())
t := taskqueue.NewPOSTTask(singleFlightUrl, map[string][]string{
"date": {day.Format("2006.01.02")},
"key": {key.Encode()},
"job": {job},
})
if _, err := taskqueue.Add(c, t, "batch"); err != nil {
log.Errorf(c, "upgradeHandler: enqueue: %v", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
n++
}
}
log.Infof(c, "enqueued %d batch items for '%s'", n, job)
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(fmt.Sprintf("OK, batch, enqueued %d tasks for %s\n%s", n, job, str)))
}