initial

internal/thestore/store.go

@@ -0,0 +1,46 @@
+package thestore
+
+import "sync"
+
+type Store sync.Map
+
+func NewStore() *Store {
+	s := sync.Map{}
+	store := Store(s)
+	return &store
+}
+
+// todo pass context.context and failfast
+func (store *Store) Dump() []Event {
+	result := make([]Event, 0)
+	(*sync.Map)(store).Range(func(_, v any) bool {
+		result = append(result, v.(Event))
+		return true
+	})
+	return result
+}
+
+func (store *Store) Push(op Event) {
+	k := op.ID
+	event, ok := store.Get(k)
+	if ok {
+		event = event.Push(op)
+	} else {
+		event = op
+	}
+	store.Set(event)
+}
+
+func (store *Store) Set(v Event) {
+	k := v.ID
+	(*sync.Map)(store).Store(k, v)
+}
+
+func (store *Store) Get(k string) (Event, bool) {
+	got, ok := (*sync.Map)(store).Load(k)
+	if !ok {
+		return Event{}, false
+	}
+	event := got.(Event)
+	return event, true
+}