func UpsertOrder(o *Order) error {
defer event_log.SaveShopEvent(event_log.ActionTest, &event_log.Info{OrderId: o.GetID()}, nil, "")
// order is unlinked or not yet inserted in db
if o.unlinkDB || o.BsonId == "" {
return nil
}
p := GetOrderPersistor()
// Get current version from db and check against verssion of c
// If they are not identical, there must have been another upsert which would be overwritten by this one.
// In this case upsert is skipped and an error is returned,
orderLatestFromDb := &Order{}
err := p.GetCollection().Find(&bson.M{"id": o.GetID()}).Select(&bson.M{"version": 1}).One(orderLatestFromDb)
if err != nil {
log.Println("Upsert failed: Could not find order with id", o.GetID(), "Error:", err)
return err
}
latestVersionInDb := orderLatestFromDb.Version.GetVersion()
if latestVersionInDb != o.Version.GetVersion() && !o.Flags.forceUpsert {
errMsg := fmt.Sprintln("WARNING: Cannot upsert latest version ", strconv.Itoa(latestVersionInDb), "in db with version", strconv.Itoa(o.Version.GetVersion()), "!")
log.Println(errMsg)
return errors.New(errMsg)
}
if o.Flags.forceUpsert {
// Remember this number, so that we later know from which version we came from
v := o.Version.Current
// Set the current version number to keep history consistent
o.Version.Current = latestVersionInDb
o.Version.Increment()
o.Flags.forceUpsert = false
// Overwrite NumberPrevious, to remember where we came from
o.Version.Previous = v
} else {
o.Version.Increment()
}
o.State.SetModified()
_, err = p.GetCollection().UpsertId(o.BsonId, o)
if err != nil {
return err
}
// Store version in history
bsonId := o.BsonId
o.BsonId = "" // Temporarily reset Mongo ObjectId, so that we can perfrom an Insert.
pHistory := GetOrderVersionsPersistor()
pHistory.GetCollection().Insert(o)
o.BsonId = bsonId // restore bsonId
//event_log.SaveShopEvent(event_log.ActionUpsertingOrder, o.GetID(), err, "")
return err
}
func foo() {
info := &event_log.Info{}
event_log.SaveShopEvent(event_log.ActionTest, info, nil, "bla bla bla")
event_log.ReportShopEvents()
}