salix/modules/worker/back/models/worker-dms.js

module.exports = Self => {
    require('../methods/worker-dms/downloadFile')(Self);
    require('../methods/worker-dms/removeFile')(Self);
    require('../methods/worker-dms/filter')(Self);

    Self.isMine = async function(ctx, dmsId) {
        const myUserId = ctx.req.accessToken.userId;
        let workerDms = await Self.findOne({
            where: {
                workerFk: myUserId,
                dmsFk: dmsId
            }
        });
        return workerDms !== null;
    };
};