New pluginapi method for syncables (#30790)

* new pluginapi method for syncables
---------
Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/app/plugin_api.go

@@ -1460,3 +1460,29 @@ func (api *PluginAPI) GetGroups(page, perPage int, opts model.GroupSearchOpts, v
 	}
 	return api.app.GetGroups(page, perPage, opts, viewRestrictions)
 }
+
+func (api *PluginAPI) CreateDefaultSyncableMemberships(params model.CreateDefaultMembershipParams) *model.AppError {
+	if err := api.checkLDAPLicense(); err != nil {
+		return model.NewAppError("CreateDefaultSyncableMemberships", "app.group.license_error", nil, "", http.StatusForbidden).Wrap(err)
+	}
+
+	err := api.app.CreateDefaultMemberships(api.ctx, params)
+	if err != nil {
+		return model.NewAppError("CreateDefaultSyncableMemberships", "app.group.create_syncable_memberships.error", nil, "", http.StatusInternalServerError).Wrap(err)
+	}
+
+	return nil
+}
+
+func (api *PluginAPI) DeleteGroupConstrainedMemberships() *model.AppError {
+	if err := api.checkLDAPLicense(); err != nil {
+		return model.NewAppError("DeleteGroupConstrainedMemberships", "app.group.license_error", nil, "", http.StatusForbidden).Wrap(err)
+	}
+
+	err := api.app.DeleteGroupConstrainedMemberships(api.ctx)
+	if err != nil {
+		return model.NewAppError("DeleteGroupConstrainedMemberships", "app.group.delete_invalid_syncable_memberships.error", nil, "", http.StatusInternalServerError).Wrap(err)
+	}
+
+	return nil
+}