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saved_events.go
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/
saved_events.go
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package web
import (
"reflect"
"github.com/inklabs/rangedb"
)
// SavedEvents contains events that have been persisted to the event store.
type SavedEvents []rangedb.Event
// Contains returns true if all events are found.
func (l *SavedEvents) Contains(events ...rangedb.Event) bool {
var totalFound int
for _, event := range events {
for _, savedEvent := range *l {
if event.EventType() == savedEvent.EventType() {
totalFound++
break
}
}
}
return len(events) == totalFound
}
// ContainsAny returns true if any events are found.
func (l *SavedEvents) ContainsAny(events ...rangedb.Event) bool {
for _, event := range events {
for _, savedEvent := range *l {
if event.EventType() == savedEvent.EventType() {
return true
}
}
}
return false
}
// Get returns true if the event was found and stores the result
// in the value pointed to by event. If it is not found, Get
// returns false.
func (l *SavedEvents) Get(event rangedb.Event) bool {
for _, savedEvent := range *l {
if event.EventType() == savedEvent.EventType() {
eventVal := reflect.ValueOf(event)
savedEventVal := reflect.ValueOf(savedEvent)
if savedEventVal.Kind() == reflect.Ptr {
savedEventVal = savedEventVal.Elem()
}
if savedEventVal.Type().AssignableTo(eventVal.Type().Elem()) {
eventVal.Elem().Set(savedEventVal)
return true
}
}
}
return false
}