Vendor main dependencies.

vendor/github.com/donovanhide/eventsource/repository.go

@@ -0,0 +1,50 @@
+package eventsource
+
+import (
+	"sort"
+	"sync"
+)
+
+// Example repository that uses a slice as storage for past events.
+type SliceRepository struct {
+	events map[string][]Event
+	lock   sync.RWMutex
+}
+
+func NewSliceRepository() *SliceRepository {
+	return &SliceRepository{
+		events: make(map[string][]Event),
+	}
+}
+
+func (repo SliceRepository) indexOfEvent(channel, id string) int {
+	return sort.Search(len(repo.events[channel]), func(i int) bool {
+		return repo.events[channel][i].Id() >= id
+	})
+}
+
+func (repo SliceRepository) Replay(channel, id string) (out chan Event) {
+	out = make(chan Event)
+	go func() {
+		defer close(out)
+		repo.lock.RLock()
+		defer repo.lock.RUnlock()
+		events := repo.events[channel][repo.indexOfEvent(channel, id):]
+		for i := range events {
+			out <- events[i]
+		}
+	}()
+	return
+}
+
+func (repo *SliceRepository) Add(channel string, event Event) {
+	repo.lock.Lock()
+	defer repo.lock.Unlock()
+	i := repo.indexOfEvent(channel, event.Id())
+	if i < len(repo.events[channel]) && repo.events[channel][i].Id() == event.Id() {
+		repo.events[channel][i] = event
+	} else {
+		repo.events[channel] = append(repo.events[channel][:i], append([]Event{event}, repo.events[channel][i:]...)...)
+	}
+	return
+}