events: hash now includes "description" - 2 ( #17)

calendar/gcal/event.go

@@ -0,0 +1,25 @@
+package gcal
+
+import (
+	"bytes"
+	"crypto/md5"
+	"encoding/hex"
+
+	googlecalendar "google.golang.org/api/calendar/v3"
+)
+
+// Event is the local-representation of googlecalendar.Event
+type Event struct {
+	*googlecalendar.Event
+}
+
+func (e Event) Hash() string {
+	var buffer bytes.Buffer
+	buffer.WriteString(e.Summary)
+	buffer.WriteString(e.Start.DateTime)
+	buffer.WriteString(e.End.DateTime)
+	buffer.WriteString(e.Description)
+
+	md5sum := md5.Sum(buffer.Bytes())
+	return hex.EncodeToString(md5sum[:])
+}