add core/error/util files

pkg/utils/api.go

@@ -0,0 +1,64 @@
+package utils
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
+
+	"github.com/mayswind/lab/pkg/core"
+	"github.com/mayswind/lab/pkg/errs"
+)
+
+func PrintSuccessResult(c *core.Context, result interface{}) {
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"result": result,
+	})
+}
+
+func PrintErrorResult(c *core.Context, err *errs.Error) {
+	c.SetResponseError(err)
+
+	errorMessage := err.Error()
+
+	if err.Code() == errs.ErrIncompleteOrIncorrectSubmission.Code() && len(err.BaseError) > 0 {
+		validationErrors, ok := err.BaseError[0].(validator.ValidationErrors)
+
+		if ok {
+			for _, err := range validationErrors {
+				errorMessage = getValidationErrorText(err)
+				break
+			}
+		}
+	}
+
+	c.AbortWithStatusJSON(err.HttpStatusCode, gin.H{
+		"success": false,
+		"errorCode": err.Code(),
+		"errorMessage": errorMessage,
+	})
+}
+
+func getValidationErrorText(err validator.FieldError) string {
+	fieldName := GetFirstLowerCharString(err.Field())
+
+	switch err.Tag() {
+	case "required":
+		return errs.GetParameterIsRequiredMessage(fieldName)
+	case "max":
+		return errs.GetParameterMustLessThanMessage(fieldName, err.Param())
+	case "min":
+		return errs.GetParameterMustMoreThanMessage(fieldName, err.Param())
+	case "len":
+		return errs.GetParameterLengthNotEqualMessage(fieldName, err.Param())
+	case "notBlank":
+		return errs.GetParameterNotBeBlankMessage(fieldName)
+	case "validUsername":
+		return errs.GetParameterInvalidUsernameMessage(fieldName)
+	case "validEmail":
+		return errs.GetParameterInvalidEmailMessage(fieldName)
+	}
+
+	return errs.GetParameterInvalidMessage(fieldName)
+}