const Group = require('../models/group');


class GroupService {
    static async getAll(filter, project) {
        return Group.find(filter, project);
    }
    static async findOne(filter) {
        return Group.findOne(filter);
    }
    static async create(GroupData) {
        GroupService.validateModel(GroupData);
        return new Group(GroupData).save();
    }

    static validateModel(data) {
        const group = new Group(data);
        const validation = group.validateSync();
        if (validation)
            throw validation.errors
    }
}

module.exports = GroupService;