func statsHandler(station storage.Station, cStatuses *mgo.Collection) storage.StationStats {
var elevatorIds []string
for _, stationElevator := range station.Elevators {
elevatorIds = append(elevatorIds, stationElevator.ID)
}
var dbStatuses []dataStatus
cStatuses.Find(bson.M{"elevator": bson.M{"$in": elevatorIds}}).
Sort("lastupdate").
All(&dbStatuses)
events := statusesToEvents(dbStatuses)
stats := statusesToStatistics(events)
stats.Name = station.Name
return stats
}
func NextV(c *tmgo.Collection, id string, increase int64) (oldv int64, newv int64, err error) {
var res = bson.M{}
info, err := c.Find(bson.M{"_id": id}).Select(bson.M{"sequence": 1}).Apply(tmgo.Change{
Update: bson.M{"$inc": bson.M{"sequence": increase}},
ReturnNew: true,
Upsert: true,
}, &res)
if err != nil {
err = util.Err("require sequence(increase:%v) for %v fail, err:%v ", increase, id, err)
return
}
if info.Updated != 1 && info.UpsertedId == nil {
err = util.Err("require sequence(increase:%v) for %v fail, %v updated ", increase, id, info.Updated)
return
}
newv = res["sequence"].(int64)
oldv = newv - increase
return
}
func findSubmittedData(c *mgo.Collection, ty string, skip int, limit int) ([]SubmittedData, error) {
var a []SubmittedData
err := c.Find(bson.M{"_type": ty}).Sort("-UpdateDate").Skip(skip).Limit(limit).All(&a)
return a, err
}