gsender

/*
 * Copyright (C) 2021 Sienci Labs Inc.
 *
 * This file is part of gSender.
 *
 * gSender is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, under version 3 of the License.
 *
 * gSender is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with gSender.  If not, see <https://www.gnu.org/licenses/>.
 *
 * Contact for information regarding this program and its license
 * can be sent through gSender@sienci.com or mailed to the main office
 * of Sienci Labs Inc. in Waterloo, Ontario, Canada.
 *
 */

import get from "lodash/get";
import { ERR_BAD_REQUEST, ERR_INTERNAL_SERVER_ERROR } from "../constants";
import store from "../store";

export const upload = (req, res) => {
	const { port, name, gcode, context = {} } = req.body;

	if (!port) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "No port specified",
		});
		return;
	}
	if (!gcode) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "Empty G-code",
		});
		return;
	}

	const controller = store.get('controllers["' + port + '"]');
	if (!controller) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "Controller not found",
		});
		return;
	}

	// Load G-code
	controller.command("gcode:load", name, gcode, context, (err, state) => {
		if (err) {
			res.status(ERR_INTERNAL_SERVER_ERROR).send({
				msg: "Failed to load G-code: " + err,
			});
			return;
		}
		res.send({ ...state });
	});
};

export const fetch = (req, res) => {
	const port = req.query.port;

	if (!port) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "No port specified",
		});
		return;
	}

	const controller = store.get('controllers["' + port + '"]');
	if (!controller) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "Controller not found",
		});
		return;
	}

	const { sender } = controller;

	res.send({
		...sender.toJSON(),
		data: sender.state.gcode,
	});
};

export const download = (req, res) => {
	const port = get(req, "query.port") || get(req, "body.port");

	if (!port) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "No port specified",
		});
		return;
	}

	const controller = store.get('controllers["' + port + '"]');
	if (!controller) {
		res.status(ERR_BAD_REQUEST).send({
			msg: "Controller not found",
		});
		return;
	}

	const { sender } = controller;

	const filename = sender.state.name || "noname.txt";
	const content = sender.state.gcode || "";

	res.setHeader(
		"Content-Disposition",
		"attachment; filename=" + encodeURIComponent(filename),
	);
	res.setHeader("Connection", "close");

	res.write(content);
	res.end();
};