feat: Authors feature backend (and upgraded deprecated mods)

internal/infrastructure/useCases/auditFailures.go

@@ -3,6 +3,7 @@ package useCases
 import (
 	"RenewCMS/internal/domain/article"
 	"RenewCMS/internal/domain/audit"
+	"RenewCMS/internal/domain/author"
 	"RenewCMS/internal/domain/image"
 	"RenewCMS/internal/domain/invite"
 	"RenewCMS/internal/domain/purge"
@@ -64,6 +65,12 @@ var failureReasons = []failureReason{
 	{site.ErrInvalidLocale, "The locale is not valid."},
 	{site.ErrUseSetDefault, "Use the default site action to change the default."},
 	{site.ErrInvalidReassign, "The destination site is not valid."},
+	{author.ErrSlugTaken, "That slug is already used by another author."},
+	{author.ErrUserAlreadyLinked, "That user already has an author."},
+	{author.ErrAuthorAlreadyLinked, "That author is already linked to a user."},
+	{author.ErrAuthorRights, "Only an owner or admin can change this author."},
+	{author.ErrAuthorHasArticles, "The author is still credited on articles."},
+	{author.ErrInvalidReassign, "The destination author is not valid."},
 }
 
 var restartFailureReasons = []failureReason{
@@ -82,6 +89,11 @@ var notFoundCauses = []error{
 	invite.ErrInviteNotFound,
 	user.ErrUserNotFound,
 	site.ErrSiteNotFound,
+	author.ErrAuthorNotFound,
+	author.ErrBioTooLong,
+	author.ErrInvalidURL,
+	author.ErrTooManyLinks,
+	author.ErrInvalidSlug,
 }
 
 func reasonFor(err error, overrides ...failureReason) string {