feat: roles system backend

internal/infrastructure/useCases/ListPermissions.go

@@ -0,0 +1,27 @@
+package useCases
+
+import "RenewCMS/internal/domain/role"
+
+type PermissionGroup struct {
+	Key   string
+	Items []role.Permission
+}
+
+type ListPermissionsUseCase struct{}
+
+func NewListPermissionsUseCase() *ListPermissionsUseCase {
+	return &ListPermissionsUseCase{}
+}
+
+func (u *ListPermissionsUseCase) List() []PermissionGroup {
+	groups := []PermissionGroup{}
+	for _, permission := range role.Catalogue() {
+		last := len(groups) - 1
+		if last < 0 || groups[last].Key != permission.Group {
+			groups = append(groups, PermissionGroup{Key: permission.Group})
+			last++
+		}
+		groups[last].Items = append(groups[last].Items, permission)
+	}
+	return groups
+}