refactor: remove un-needed code

Author: bfabio

internal/common/errors.go

@@ -6,12 +6,6 @@ import (
 	"github.com/gofiber/fiber/v2"
 )
 
-var (
-	ErrAuthentication  = errors.New("token authentication failed")
-	ErrInvalidDateTime = errors.New("invalid date time format (RFC 3339 needed)")
-	ErrKeyLen          = errors.New("PASETO_KEY must be 32 bytes long once base64-decoded")
-)
-
 func InternalServerError(title string) ProblemJSONError {
 	return Error(fiber.StatusInternalServerError, title, fiber.ErrInternalServerError.Message)
 }
@@ -20,14 +14,6 @@ func Error(status int, title string, detail string) ProblemJSONError {
 	return ProblemJSONError{Title: title, Detail: detail, Status: status}
 }
 
-func ErrorWithValidationErrors(
-	status int, title string, validationErrors []ValidationError,
-) ProblemJSONError {
-	detail := GenerateErrorDetails(validationErrors)
-
-	return ProblemJSONError{Title: title, Detail: detail, Status: status, ValidationErrors: validationErrors}
-}
-
 func CustomErrorHandler(ctx *fiber.Ctx, err error) error {
 	var problemJSON *ProblemJSONError
 
@@ -37,10 +23,6 @@ func CustomErrorHandler(ctx *fiber.Ctx, err error) error {
 		problemJSON = &ProblemJSONError{Status: e.Code, Title: e.Message}
 	}
 
-	if errors.Is(err, ErrAuthentication) {
-		problemJSON = &ProblemJSONError{Status: fiber.StatusUnauthorized, Title: err.Error()}
-	}
-
 	if problemJSON == nil {
 		//nolint:errorlint
 		switch e := err.(type) {

internal/common/problem_json.go

@@ -5,11 +5,10 @@ import (
 )
 
 type ProblemJSONError struct {
-	Code             string            `json:"code,omitempty"`
-	Title            string            `json:"title"`
-	Detail           string            `json:"detail,omitempty"`
-	Status           int               `json:"status"`
-	ValidationErrors []ValidationError `json:"validationErrors,omitempty"`
+	Code   string `json:"code,omitempty"`
+	Title  string `json:"title"`
+	Detail string `json:"detail,omitempty"`
+	Status int    `json:"status"`
 }
 
 func (pj ProblemJSONError) Error() string {