// FindRegion retrieves the stations for the specified region
func FindRegion(service *services.Service, region string) ([]buoyModels.BuoyStation, error) {
log.Startedf(service.UserID, "FindRegion", "region[%s]", region)
var buoyStations []buoyModels.BuoyStation
f := func(collection *mgo.Collection) error {
queryMap := bson.M{"region": region}
log.Trace(service.UserID, "FindRegion", "Query : db.buoy_stations.find(%s)", mongo.ToString(queryMap))
return collection.Find(queryMap).All(&buoyStations)
}
if err := service.DBAction(Config.Database, "buoy_stations", f); err != nil {
log.CompletedError(err, service.UserID, "FindRegion")
return nil, err
}
log.Completedf(service.UserID, "FindRegion", "buoyStations%+v", buoyStations)
return buoyStations, nil
}
// FindStation retrieves the specified station
func FindStation(service *services.Service, stationID string) (*buoyModels.BuoyStation, error) {
log.Startedf(service.UserID, "FindStation", "stationID[%s]", stationID)
var buoyStation buoyModels.BuoyStation
//DBCall 方法
f := func(collection *mgo.Collection) error {
queryMap := bson.M{"station_id": stationID}
log.Trace(service.UserID, "FindStation", "MGO : db.buoy_stations.find(%s).limit(1)", mongo.ToString(queryMap))
return collection.Find(queryMap).One(&buoyStation)
}
if err := service.DBAction(Config.Database, "buoy_stations", f); err != nil {
if err != mgo.ErrNotFound {
log.CompletedError(err, service.UserID, "FindStation")
return nil, err
}
}
log.Completedf(service.UserID, "FindStation", "buoyStation%+v", &buoyStation)
return &buoyStation, nil
}