cmd/cart/main.go

@@ -403,7 +403,7 @@ func main() {
 	go func() {
 		sig := <-sigs
 		fmt.Println("Shutting down due to signal:", sig)
-		//app.Save()
+		diskStorage.Close()
 		pool.Close()
 
 		done <- true

pkg/actor/disk_storage.go

@@ -70,8 +70,10 @@ func (s *DiskStorage[V]) save() {
 				}
 			}
 		}
+		s.queue.Delete(id)
 		return true
 	})
+	log.Print("Appended carts to disk")
 }
 
 func (s *DiskStorage[V]) logPath(id uint64) string {
@@ -102,7 +104,6 @@ func (s *DiskStorage[V]) Close() {
 
 func (s *DiskStorage[V]) AppendEvent(id uint64, msg proto.Message) error {
 	if s.queue != nil {
-
 		queue := make([]QueueEvent, 0)
 		data, found := s.queue.Load(id)
 		if found {
@@ -112,7 +113,6 @@ func (s *DiskStorage[V]) AppendEvent(id uint64, msg proto.Message) error {
 		s.queue.Store(id, queue)
 		return nil
 	} else {
-
 		path := s.logPath(id)
 		fh, err := os.OpenFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
 		if err != nil {

pkg/actor/state.go

@@ -1,6 +1,7 @@
 package actor
 
 import (
+	"bufio"
 	"encoding/json"
 	"errors"
 	"io"
@@ -36,8 +37,9 @@ var ErrUnknownType = errors.New("unknown type")
 func (s *StateStorage) Load(r io.Reader, onMessage func(msg proto.Message)) error {
 	var err error
 	var evt *StorageEvent
+	scanner := bufio.NewScanner(r)
 	for err == nil {
-		evt, err = s.Read(r)
+		evt, err = s.Read(scanner)
 		if err == nil {
 			onMessage(evt.Mutation)
 		}
@@ -65,12 +67,17 @@ func (s *StateStorage) Append(io io.Writer, mutation proto.Message, timeStamp ti
 	if _, err := io.Write(jsonBytes); err != nil {
 		return err
 	}
+	io.Write([]byte("\n"))
 	return nil
 }
 
-func (s *StateStorage) Read(r io.Reader) (*StorageEvent, error) {
+func (s *StateStorage) Read(r *bufio.Scanner) (*StorageEvent, error) {
 	var event rawEvent
-	if err := json.NewDecoder(r).Decode(&event); err != nil {
+
+	if r.Scan() {
+		b := r.Bytes()
+		err := json.Unmarshal(b, &event)
+		if err != nil {
 			return nil, err
 		}
 		typeName := event.Type
@@ -85,5 +92,7 @@ func (s *StateStorage) Read(r io.Reader) (*StorageEvent, error) {
 			Type:      typeName,
 			TimeStamp: event.TimeStamp,
 			Mutation:  mutation,
-	}, nil
+		}, r.Err()
+	}
+	return nil, io.EOF
 }