Can get information about multiple groups

src/controllers/GroupsController.ts

@@ -69,6 +69,31 @@ export class GroupsController {
 		h.send(await this.GroupInfoToAPI(groupInfo, h));
 	}
 
+	/**
+	 * Get information about multiple users
+	 * 
+	 * @param h Request handler
+	 */
+	public static async GetInfoMultiple(h: RequestHandler) {
+		const ids = h.postNumbersList("list");
+
+		const result = {};
+
+		for (const id of ids) {
+			
+			// Check group existence & user authorization
+			if(!await GroupsHelper.Exists(id)
+				|| await GroupsHelper.GetAccessLevel(id, h.getUserId()) < GroupsAccessLevel.LIMITED_ACCESS)
+				h.error(404, "Group " + id + " not found");
+
+			const group = await GroupsHelper.GetInfo(id);
+
+			result[id] = await this.GroupInfoToAPI(group, h);
+		}
+
+		h.send(result);
+	}
+
 	/**
 	 * Turn a GroupInfo object into a valid API object
 	 * 

src/controllers/Routes.ts

@@ -88,4 +88,6 @@ export const Routes : Route[] = [
 	{path: "/groups/get_my_list", cb: (h) => GroupsController.GetListUser(h)},
 
 	{path: "/groups/get_info", cb: (h) => GroupsController.GetInfoSingle(h)},
+
+	{path: "/groups/get_multiple_info", cb: (h) => GroupsController.GetInfoMultiple(h)},
 ]