#8776 resolve server crash on delete role in use (#8796)

plugins/tiddlywiki/multiwikiserver/modules/routes/handlers/delete-role.js

@@ -38,15 +38,14 @@ POST /admin/delete-role
 			return;
 		}
 
-		// Delete the role
-		sqlTiddlerDatabase.deleteRole(role_id);
-
 		// Check if the role is in use
 		var isRoleInUse = sqlTiddlerDatabase.isRoleInUse(role_id);
 		if(isRoleInUse) {
 			sqlTiddlerDatabase.deleteUserRolesByRoleId(role_id);
 		}
 
+		// Delete the role
+		sqlTiddlerDatabase.deleteRole(role_id);
 		// Redirect back to the roles management page
 		response.writeHead(302, { "Location": "/admin/roles" });
 		response.end();

plugins/tiddlywiki/multiwikiserver/modules/store/sql-tiddler-database.js

@@ -1156,7 +1156,7 @@ SqlTiddlerDatabase.prototype.deleteRole = function(roleId) {
 
 SqlTiddlerDatabase.prototype.listRoles = function() {
 	return this.engine.runStatementGetAll(`
-			SELECT * FROM roles ORDER BY role_name
+			SELECT * FROM roles ORDER BY role_name DESC
 	`);
 };