Refactor marketplace product fetching and caching logic; update environment configuration for Redis and PostgreSQL

pkg/utils/utils.go

@@ -1 +1,32 @@
 package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+type WbAuthData struct {
+	Token string `json:"token"`
+}
+
+func NewWbAuthData(token string) WbAuthData {
+	return WbAuthData{
+		Token: token,
+	}
+}
+
+func DecodeWildberriesJwt(token []byte) (WbAuthData, jwt.MapClaims, error) {
+	var authData WbAuthData
+	err := json.Unmarshal(token, &authData)
+	if err != nil {
+		return authData, nil, fmt.Errorf("failed to unmarshal JWT: %w", err)
+	}
+	claims := jwt.MapClaims{}
+	_, _, err = jwt.NewParser().ParseUnverified(authData.Token, claims)
+	if err != nil {
+		return authData, nil, fmt.Errorf("invalid JWT: %w", err)
+	}
+
+	return authData, claims, nil
+}