salix/modules/client/back/methods/client-dms/removeFile.js

module.exports = Self => {
    Self.remoteMethodCtx('removeFile', {
        description: 'Removes a client document',
        accessType: 'WRITE',
        accepts: {
            arg: 'id',
            type: 'Number',
            description: 'The document id',
            http: {source: 'path'}
        },
        returns: {
            type: 'Object',
            root: true
        },
        http: {
            path: `/:id/removeFile`,
            verb: 'POST'
        }
    });

    Self.removeFile = async(ctx, id) => {
        const models = Self.app.models;
        const clientDms = await models.ClientDms.findById(id);

        await models.Dms.removeFile(ctx, clientDms.dmsFk);

        return clientDms.destroy();
    };
};