moved to struct validation;

internal/utils/response_handler.go

@@ -1,35 +1,48 @@
 package utils
 
 import (
-	"encoding/json"
+	"GoMembership/pkg/errors"
+	"GoMembership/pkg/logger"
 	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
 )
 
-type ResponseHandler struct {
-	Writer http.ResponseWriter
+func RespondWithError(c *gin.Context, err error, context string, code int, field string, key string) {
+	logger.Error.Printf("Sending %v Error Response(Field: %v Key: %v) %v: %v", code, field, key, context, err.Error())
+	c.JSON(code, gin.H{"errors": []gin.H{{
+		"field": field,
+		"key":   key,
+	}}})
 }
 
-type Response struct {
-	Status  string `json:"status"`
-	Message string `json:"message"`
-}
-
-func NewResponseHandler(w http.ResponseWriter) *ResponseHandler {
-	return &ResponseHandler{Writer: w}
-}
-
-func (rh *ResponseHandler) RespondWithError(code int, message string) {
-	response := Response{
-		Status:  "error",
-		Message: message,
+func HandleValidationError(c *gin.Context, err error) {
+	var validationErrors []gin.H
+	logger.Error.Printf("Sending validation error response Error %v", err.Error())
+	if ve, ok := err.(validator.ValidationErrors); ok {
+		for _, e := range ve {
+			validationErrors = append(validationErrors, gin.H{
+				"field": e.Field(),
+				"key":   "server.validation." + e.Tag(),
+			})
+		}
+	} else {
+		validationErrors = append(validationErrors, gin.H{
+			"field": "general",
+			"key":   "server.error.invalid_json",
+		})
 	}
-	rh.Writer.Header().Set("Content-Type", "application/json")
-	rh.Writer.WriteHeader(code)
-	json.NewEncoder(rh.Writer).Encode(response)
+	c.JSON(http.StatusBadRequest, gin.H{"errors": validationErrors})
 }
 
-func (rh *ResponseHandler) RespondWithJSON(code int, payload interface{}) {
-	rh.Writer.Header().Set("Content-Type", "application/json")
-	rh.Writer.WriteHeader(code)
-	json.NewEncoder(rh.Writer).Encode(payload)
+func HandleUpdateError(c *gin.Context, err error) {
+	switch err {
+	case errors.ErrUserNotFound:
+		RespondWithError(c, err, "Error while updating user", http.StatusNotFound, "user", "server.validation.user_not_found")
+	case errors.ErrInvalidUserData:
+		RespondWithError(c, err, "Error while updating user", http.StatusBadRequest, "user", "server.validation.invalid_user_data")
+	default:
+		RespondWithError(c, err, "Error while updating user", http.StatusInternalServerError, "user", "server.error.internal_server_error")
+	}
 }