enhancement: make use of unifiedrole from the graph invitation endpoint, applying multiple roles works and result in a merged cs3 permission set (#7751)

services/graph/pkg/validate/validate.go

@@ -5,24 +5,14 @@ import (
 	"sync/atomic"
 
 	"github.com/go-playground/validator/v10"
-	libregraph "github.com/owncloud/libre-graph-api-go"
 )
 
 var defaultValidator atomic.Value
-var structMapValidations = map[any]map[string]string{
-	&libregraph.DriveItemInvite{}: {
-		"Recipients":         "min=1",
-		"Roles":              "len=1", // currently it is not possible to set more than one role
-		"ExpirationDateTime": "omitnil,gt",
-	},
-}
 
 func init() {
 	v := validator.New()
 
-	for s, rules := range structMapValidations {
-		v.RegisterStructValidationMapRules(rules, s)
-	}
+	initLibregraph(v)
 
 	defaultValidator.Store(v)
 }