com.trivago.mail.pigeon.web.components.groups.ModalRecipientImportCsv.java Source code

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Here is the source code for com.trivago.mail.pigeon.web.components.groups.ModalRecipientImportCsv.java

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/**
 * Copyright (C) 2011-2012 trivago GmbH <mario.mueller@trivago.com>, <christian.krause@trivago.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.trivago.mail.pigeon.web.components.groups;

import com.trivago.mail.pigeon.importer.Csv;
import com.trivago.mail.pigeon.web.components.recipients.UploadCsvFileComponent;
import com.vaadin.terminal.UserError;
import com.vaadin.ui.*;
import org.apache.log4j.Logger;

import java.io.File;

public class ModalRecipientImportCsv extends Window {
    private static final Logger log = Logger.getLogger(ModalRecipientImportCsv.class);

    public ModalRecipientImportCsv(final long groupId) {
        super();
        setModal(true);
        setClosable(false);
        setWidth("600px");

        Panel rootPanel = new Panel("Import Recipients via CSV");
        VerticalLayout vl = new VerticalLayout();

        Label infoText = new Label(
                "You can upload a bunch of users into a group. Create a CSV file with no! headers. \n"
                        + "You can leave out the user_id by just setting the column empty => ,\"Firstname Lastname\",\"first.last@trivago.com\".");
        Label formatInfoText = new Label("Please format you CSV like: user_id,\"user_full_name\",\"email\"");

        final CheckBox forceUpdate = new CheckBox("Force update of existing recipients?");
        Button cancelButton = new Button("Cancel");

        vl.addComponent(infoText);
        vl.addComponent(formatInfoText);
        final UploadCsvFileComponent ucsv = new UploadCsvFileComponent();
        vl.addComponent(ucsv);

        Button importButton = new Button("Import");
        importButton.addListener(new Button.ClickListener() {
            @Override
            public void buttonClick(Button.ClickEvent event) {
                if (!ucsv.isUploadFinished()) {
                    ucsv.setComponentError(new UserError("Please upload a csv first!"));
                } else {
                    ucsv.setComponentError(null);

                    try {
                        File uploadedFile = ucsv.getCsvFile();
                        Csv importer = new Csv(uploadedFile, groupId);
                        importer.importData(forceUpdate.booleanValue());
                        event.getButton().getApplication().getMainWindow().showNotification("Import done",
                                Notification.TYPE_HUMANIZED_MESSAGE);
                        event.getButton().getWindow().setVisible(false);
                        event.getButton().getWindow().getParent().removeComponent(event.getButton().getWindow());

                    } catch (Exception e) {
                        log.error("Error while importing csv", e);
                        event.getButton().getWindow().showNotification("The import failed.",
                                e.getLocalizedMessage(), Notification.TYPE_ERROR_MESSAGE);
                    }
                }
            }
        });

        cancelButton.addListener(new Button.ClickListener() {
            @Override
            public void buttonClick(Button.ClickEvent event) {
                event.getButton().getWindow().setVisible(false);
                event.getButton().getWindow().getParent().removeComponent(event.getButton().getWindow());
            }
        });

        HorizontalLayout buttonLayout = new HorizontalLayout();
        buttonLayout.setSpacing(true);
        buttonLayout.addComponent(importButton);
        buttonLayout.addComponent(cancelButton);

        vl.addComponent(buttonLayout);
        rootPanel.addComponent(vl);
        addComponent(rootPanel);
    }
}