ShortcutManager.java

/*
 * Copyright (C) 2015-2017 PÂRIS Quentin
 *
 * This program 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package org.phoenicis.library;

import org.phoenicis.library.dto.ShortcutDTO;
import org.phoenicis.scripts.interpreter.InteractiveScriptSession;
import org.phoenicis.scripts.interpreter.ScriptInterpreter;
import jdk.nashorn.api.scripting.ScriptObjectMirror;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.io.IOException;
import java.util.function.Consumer;

public class ShortcutManager {
    private static final Logger LOGGER = LoggerFactory.getLogger(ShortcutManager.class);
    private static final String ENCODING = "UTF-8";
    private final String shortcutDirectory;
    private final LibraryManager libraryManager;
    private final ScriptInterpreter scriptInterpreter;
    private final String desktopShortcutDirectory;

    ShortcutManager(String shortcutDirectory, String desktopShortcutDirectory, LibraryManager libraryManager,
            ScriptInterpreter scriptInterpreter) {
        this.shortcutDirectory = shortcutDirectory;
        this.desktopShortcutDirectory = desktopShortcutDirectory;
        this.libraryManager = libraryManager;
        this.scriptInterpreter = scriptInterpreter;
    }

    public void createShortcut(ShortcutDTO shortcutDTO) {
        final String baseName = shortcutDTO.getName();
        final File shortcutDirectoryFile = new File(this.shortcutDirectory);

        final File categoryFile = new File(shortcutDirectoryFile, baseName + ".category");
        final File scriptFile = new File(shortcutDirectoryFile, baseName + ".shortcut");
        final File iconFile = new File(shortcutDirectoryFile, baseName + ".icon");
        final File miniatureFile = new File(shortcutDirectoryFile, baseName + ".miniature");
        final File descriptionFile = new File(shortcutDirectoryFile, baseName + ".description");

        if (!shortcutDirectoryFile.exists()) {
            shortcutDirectoryFile.mkdirs();
        }

        try {
            FileUtils.writeStringToFile(scriptFile, shortcutDTO.getScript(), ENCODING);
            if (shortcutDTO.getCategory() != null) {
                FileUtils.writeStringToFile(categoryFile, shortcutDTO.getCategory(), ENCODING);
            }
            if (shortcutDTO.getDescription() != null) {
                FileUtils.writeStringToFile(descriptionFile, shortcutDTO.getDescription(), ENCODING);
            }
            if (shortcutDTO.getIcon() != null) {
                FileUtils.copyFile(new File(shortcutDTO.getIcon()), iconFile);
            }
            if (shortcutDTO.getMiniature() != null) {
                FileUtils.copyFile(new File(shortcutDTO.getMiniature()), miniatureFile);
            }
        } catch (IOException e) {
            LOGGER.warn("Error while creating shortcut", e);
        } finally {
            libraryManager.refresh();
        }

        if (this.desktopShortcutDirectory != null) {
            final File desktopShortcutDirectoryFile = new File(this.desktopShortcutDirectory);
            final File desktopShortcutFile = new File(desktopShortcutDirectoryFile, baseName + ".desktop");
            try {
                final String content = "[Desktop Entry]\n" + "Name=" + shortcutDTO.getName() + "\n"
                        + "Type=Application\n" + "Icon=" + miniatureFile.getAbsolutePath() + "\n"
                        + "Exec=phoenicis-cli -run \"" + shortcutDTO.getName() + "\"";
                FileUtils.writeStringToFile(desktopShortcutFile, content, ENCODING);
            } catch (IOException e) {
                LOGGER.warn("Error while creating .desktop", e);
            }
        }
    }

    public void uninstallFromShortcut(ShortcutDTO shortcutDTO, Consumer<Exception> errorCallback) {
        final InteractiveScriptSession interactiveScriptSession = scriptInterpreter.createInteractiveSession();

        interactiveScriptSession.eval("include([\"Functions\", \"Shortcuts\", \"Reader\"]);",
                ignored -> interactiveScriptSession.eval("new ShortcutReader()", output -> {
                    final ScriptObjectMirror shortcutReader = (ScriptObjectMirror) output;
                    shortcutReader.callMember("of", shortcutDTO);
                    shortcutReader.callMember("uninstall");
                }, errorCallback), errorCallback);
    }

    public void deleteShortcut(ShortcutDTO shortcutDTO) {
        final String baseName = shortcutDTO.getName();
        final File shortcutDirectory = new File(this.shortcutDirectory);

        final File categoryFile = new File(shortcutDirectory, baseName + ".category");
        final File scriptFile = new File(shortcutDirectory, baseName + ".shortcut");
        final File iconFile = new File(shortcutDirectory, baseName + ".icon");
        final File miniatureFile = new File(shortcutDirectory, baseName + ".miniature");
        final File descriptionFile = new File(shortcutDirectory, baseName + ".description");

        if (categoryFile.exists()) {
            categoryFile.delete();
        }

        if (scriptFile.exists()) {
            scriptFile.delete();
        }

        if (iconFile.exists()) {
            iconFile.delete();
        }

        if (miniatureFile.delete()) {
            miniatureFile.delete();
        }

        if (descriptionFile.exists()) {
            descriptionFile.delete();
        }

        if (this.desktopShortcutDirectory != null) {
            final File desktopShortcutDirectoryFile = new File(this.desktopShortcutDirectory);
            final File desktopShortcutFile = new File(desktopShortcutDirectoryFile, baseName + ".desktop");
            if (desktopShortcutFile.exists()) {
                desktopShortcutFile.delete();
            }
        }

        libraryManager.refresh();
    }
}