add message parser

unusualcodeorg · Jul 1, 2024 · 754b336 · 754b336
1 parent 973e598
commit 754b336
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/arch/micro/message.go b/arch/micro/message.go
@@ -1,5 +1,10 @@
 package micro
 
+import (
+	"encoding/json"
+	"errors"
+)
+
 type Message[T any] struct {
 	Data  T       `json:"data,omitempty"`
 	Error *string `json:"error,omitempty"`
@@ -32,3 +37,17 @@ func NewMessage[T any](data T, err error) *Message[T] {
 		Error: e,
 	}
 }
+
+func ParseMsg[T any](data []byte) (*T, error) {
+	var msg Message[*T]
+	err := json.Unmarshal(data, &msg)
+	if err != nil {
+		return nil, err
+	}
+
+	if msg.Error != nil {
+		err = errors.New(*msg.Error)
+	}
+
+	return msg.Data, err
+}