Initial cloud-services repo - gateway service + pkg modules

pkg/common/message.go

@@ -0,0 +1,35 @@
+package common
+
+import (
+	"encoding/json"
+
+	"github.com/pkg/errors"
+)
+
+// Message is the generic structure for messages sent over redis and kafka
+type Message struct {
+	Handler string      `json:"handler"`
+	Data    interface{} `json:"data,omitempty"`
+}
+
+type MessageString struct {
+	Message string `json:"message"`
+}
+
+// MessageRawJSON is Message (see above) but keeps payload as raw data
+type MessageRawJSON struct {
+	Handler string          `json:"handler"`
+	Data    json.RawMessage `json:"data"`
+	Version string          `json:"version,omitempty"`
+	Verify  string          `json:"verify,omitempty"`
+}
+
+func (m *MessageRawJSON) Marshal() ([]byte, error) {
+	data, err := json.Marshal(*m)
+	return data, errors.WithStack(err)
+}
+
+func (m *MessageRawJSON) Unmarshal(data []byte) error {
+	err := json.Unmarshal(data, m)
+	return errors.WithStack(err)
+}