const mergeFilters = require('vn-loopback/util/filter').mergeFilters;

module.exports = Self => {
    Self.remoteMethod('editors', {
        description: 'Get the list of entity editors',
        accepts: [
            {
                arg: 'id',
                type: 'integer',
                description: 'The model id',
                required: true
            }, {
                arg: 'filter',
                type: 'Object',
                description: 'The user filter object'
            }
        ],
        returns: {
            type: [Self],
            root: true
        },
        http: {
            path: `/:id/editors`,
            verb: 'GET'
        }
    });

    Self.editors = async(id, filter) => {
        const res = await Self.find({
            fields: ['userFk'],
            where: {originFk: id}
        });
        const userIds = new Set(res.map(x => x.userFk));

        filter = mergeFilters(filter, {
            where: {id: {inq: [...userIds]}}
        });
        return await Self.app.models.VnUser.find(filter);
    };
};