Added chat microservice, removed air

chat-service/serializer/json.go

@@ -0,0 +1,31 @@
+package serializer
+
+import (
+	"encoding/json"
+	"twitch-clone/chat-service/models"
+	"twitch-clone/chat-service/utils"
+)
+
+type JsonMessageSerializer struct{}
+
+func (s *JsonMessageSerializer) Decode(input []byte) (*models.ChatMessage, error) {
+	msg := &models.ChatMessage{}
+	if err := json.Unmarshal(input, msg); err != nil {
+		return nil, err
+	}
+
+	if err := utils.Validate.Struct(msg); err != nil {
+		return nil, err
+	}
+
+	return msg, nil
+}
+
+func (s *JsonMessageSerializer) Encode(input *models.ChatMessage) ([]byte, error) {
+	msg, err := json.Marshal(input)
+	if err != nil {
+		return nil, err
+	}
+
+	return msg, nil
+}