server: Add support for custom LDAP object classes for users and groups

server/src/domain/model/group_object_classes.rs

@@ -0,0 +1,23 @@
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+use crate::domain::types::LdapObjectClass;
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "group_object_classes")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub lower_object_class: String,
+    pub object_class: LdapObjectClass,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {}
+
+impl ActiveModelBehavior for ActiveModel {}
+
+impl From<Model> for LdapObjectClass {
+    fn from(value: Model) -> Self {
+        value.object_class
+    }
+}