func (location *LocationInfo) NewLocation() error {
session := common.MongoGet()
defer common.MongoPut(session)
c := session.DB("du").C("location")
index := mgo.Index{
Key: []string{"$2d:loc"},
Bits: 26,
Background: true,
}
if err := c.EnsureIndex(index); err != nil {
return errors.As(err, index)
}
newLoc := bson.M{
"uid": location.Uid,
"loc": location.Loc,
"sendtime": location.SendTime,
}
if err := c.Insert(newLoc); err != nil {
return errors.As(err, newLoc)
}
return nil
}
func (location *LocationInfo) SaveLocation() error {
session := common.MongoGet()
defer common.MongoPut(session)
c := session.DB("du").C("location")
selector := bson.M{"uid": location.Uid}
newLoc := bson.M{"uid": location.Uid, "loc": location.Loc, "sendtime": location.SendTime}
update := bson.M{"$set": newLoc}
syslog.Debug("selector: ", selector, " update: ", update)
if err := c.Update(selector, update); err != nil {
return errors.As(err, *location)
}
return nil
}
func (location *LocationInfo) GetLocation(level uint16, hour uint32, page uint16) []LocResult {
if level != 1 {
syslog.Error("level ", level, " not completed.")
return nil
}
session := common.MongoGet()
defer common.MongoPut(session)
c := session.DB("du").C("location")
selector := bson.M{"loc": bson.M{"$near": location.Loc}}
syslog.Debug("selector: ", selector)
iter := c.Find(selector).Limit(MAX_ROW*LOCAL_MAX_PAGE + 1).Iter()
result := LocationInfo{}
retLoc := make([]LocResult, MAX_ROW*30)
line := 0
retLoc[line].Uid = location.Uid
retLoc[line].Xpos = float64(int64(location.Loc[0]*1000000)) / 1000000
retLoc[line].Ypos = float64(int64(location.Loc[1]*1000000)) / 1000000
syslog.Debug(retLoc[line].Xpos, retLoc[line].Ypos)
line++
for iter.Next(&result) && line < MAX_ROW*30 {
if result.Uid == location.Uid {
continue
}
syslog.Debug("Uid: ", result.Uid, " Loc: ", result.Loc, " send time: ", result.SendTime, "line:", line)
retLoc[line].Uid = result.Uid
retLoc[line].Xpos = float64(int64(result.Loc[0]*1000000)) / 1000000
retLoc[line].Ypos = float64(int64(result.Loc[1]*1000000)) / 1000000
//retlocl[line].Xpos = result.Loc[0]
//retlocl[line].Ypos = result.Loc[1]
line++
}
return retLoc[:line]
}
func (location *LocationInfo) GetLocationInfo() error {
session := common.MongoGet()
defer common.MongoPut(session)
c := session.DB("du").C("location")
selector := bson.M{"uid": location.Uid}
iter := c.Find(selector).Iter()
for iter.Next(&location) {
syslog.Info("Uid: ", location.Uid, " AppKey: ", " Loc: ", location.Loc, " send time: ", location.SendTime)
}
if err := iter.Close(); err != nil {
return errors.As(err, *location)
}
return nil
}