snapshot of https://github.com/ThreeDotsLabs/watermill.git (master, 2026-09-15; blobs > 131072B omitted)

internal/publisher/errors.go

@@ -0,0 +1,39 @@
+package publisher
+
+import (
+	"strings"
+
+	"github.com/ThreeDotsLabs/watermill/message"
+)
+
+type ErrCouldNotPublish struct {
+	reasons map[string]error
+}
+
+func (e *ErrCouldNotPublish) addMsg(msg *message.Message, reason error) {
+	e.reasons[msg.UUID] = reason
+}
+
+func NewErrCouldNotPublish() *ErrCouldNotPublish {
+	return &ErrCouldNotPublish{make(map[string]error)}
+}
+
+func (e ErrCouldNotPublish) Len() int {
+	return len(e.reasons)
+}
+
+func (e ErrCouldNotPublish) Error() string {
+	if len(e.reasons) == 0 {
+		return ""
+	}
+	b := strings.Builder{}
+	b.WriteString("Could not publish the messages:\n")
+	for uuid, reason := range e.reasons {
+		b.WriteString(uuid + " : " + reason.Error() + "\n")
+	}
+	return b.String()
+}
+
+func (e ErrCouldNotPublish) Reasons() map[string]error {
+	return e.reasons
+}