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src/models/user-group.ts

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+import * as mongo from 'mongodb';
+import * as deepcopy from 'deepcopy';
+import db from '../db/mongodb';
+import isObjectId from '../misc/is-objectid';
+import { PackedUserGroup } from './packed-schemas';
+import { toOidString } from '../misc/pack-utils';
+
+const UserGroup = db.get<IUserGroup>('userGroup');
+export default UserGroup;
+
+export interface IUserGroup {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	name: string;
+	userId: mongo.ObjectID;
+	userIds: mongo.ObjectID[];
+}
+
+export async function packUserGroup(
+	userGroup: string | mongo.ObjectID | IUserGroup
+): Promise<PackedUserGroup> {
+	let doc: IUserGroup | undefined;
+
+	if (isObjectId(userGroup)) {
+		doc = await UserGroup.findOne({
+			_id: userGroup
+		});
+	} else if (typeof userGroup === 'string') {
+		doc = await UserGroup.findOne({
+			_id: new mongo.ObjectID(userGroup)
+		});
+	} else {
+		doc = deepcopy(userGroup);
+	}
+
+	if (!doc) throw `invalid userGroup arg ${userGroup}`;
+
+	return {
+		id: toOidString(doc._id),
+		createdAt: doc.createdAt.toISOString(),
+		name: doc.name,
+		userId: doc.userId,
+		userIds: doc.userIds,
+	};
+}