func updatePortsOfCallHistory(shipName string, changes []interface{}) {
var store hist.Eventstore
var err error
if useDynamo {
store, err = dynamostore.DynamoStore(eventstoreTable, region, endpoint)
failIf(err)
} else {
store, err = filestore.FileStore(dataStoreDirectory)
failIf(err)
}
for _, event := range changes {
jsonEvent, err := json.Marshal(event)
failIf(err)
store.Save("Ship", shipName, reflect.TypeOf(event).String(), []byte(jsonEvent))
}
}
func getPortsOfCallHistory(shipName string) []interface{} {
var store hist.Eventstore
var err error
if useDynamo {
store, err = dynamostore.DynamoStore(eventstoreTable, region, endpoint)
failIf(err)
} else {
store, err = filestore.FileStore(dataStoreDirectory)
failIf(err)
}
eventHistory, err := store.Get(shipAggregateType, shipName)
failIf(err)
var events []interface{}
for _, item := range eventHistory {
if item.Type == "ship.Registered" {
var event ship.Registered
err := json.Unmarshal(item.Data, &event)
failIf(err)
events = append(events, event)
}
if item.Type == "ship.Arrived" {
var event ship.Arrived
err := json.Unmarshal(item.Data, &event)
failIf(err)
events = append(events, event)
}
if item.Type == "ship.Departed" {
var event ship.Departed
err := json.Unmarshal(item.Data, &event)
failIf(err)
events = append(events, event)
}
}
return events
}