// FindRegion retrieves the stations for the specified region
func FindRegion(region string, limit int) ([]Station, error) {
log.Printf("FindRegion : Started : region[%s]\n", region)
var buoyStations []Station
if err := mongodb.Execute("buoy_stations",
func(collection *mgo.Collection) error {
queryMap := bson.M{"region": region}
log.Printf("FindRegion : MGO : db.buoy_stations.find(%s).limit(%d)\n", mongodb.Log(queryMap), limit)
return collection.Find(queryMap).Limit(limit).All(&buoyStations)
}); err != nil {
if err != mgo.ErrNotFound {
log.Println("FindRegion :", err)
return nil, err
}
}
log.Println("FindRegion : Completed")
return buoyStations, nil
}
// FindStation retrieves the specified station
func FindStation(stationID string) (*Station, error) {
log.Printf("FindStation : Started : stationID[%s]\n", stationID)
var buoyStation *Station
if err := mongodb.Execute("buoy_stations",
func(collection *mgo.Collection) error {
queryMap := bson.M{"station_id": stationID}
log.Printf("FindStation : MGO : db.buoy_stations.find(%s).limit(1)\n", mongodb.Log(queryMap))
return collection.Find(queryMap).One(&buoyStation)
}); err != nil {
if err != mgo.ErrNotFound {
log.Println("FindStation :", err)
return nil, err
}
}
log.Println("FindStation : Completed")
return buoyStation, nil
}