CommitWorkingTreeStep.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.pullrequest.client.steps;

import org.eclipse.che.plugin.pullrequest.client.ContributeMessages;
import org.eclipse.che.plugin.pullrequest.client.dialogs.commit.CommitPresenter;
import org.eclipse.che.plugin.pullrequest.client.workflow.Context;
import org.eclipse.che.plugin.pullrequest.client.workflow.Step;
import org.eclipse.che.plugin.pullrequest.client.workflow.WorkflowExecutor;
import org.eclipse.che.plugin.pullrequest.shared.dto.Configuration;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Singleton;

import org.eclipse.che.ide.api.notification.NotificationManager;

import javax.inject.Inject;

import static org.eclipse.che.plugin.pullrequest.client.dialogs.commit.CommitPresenter.CommitActionHandler.CommitAction.CANCEL;
import static org.eclipse.che.ide.api.notification.StatusNotification.DisplayMode.FLOAT_MODE;
import static org.eclipse.che.ide.api.notification.StatusNotification.Status.FAIL;

/**
 * This step allow the user to commit the current working tree if the git repository status is not clean.
 *
 * @author Kevin Pollet
 * @author Yevhenii Voevodin
 */
@Singleton
public class CommitWorkingTreeStep implements Step {
    private final CommitPresenter               commitPresenter;
    private final ContributeMessages            messages;
    private final NotificationManager           notificationManager;

    @Inject
    public CommitWorkingTreeStep(final CommitPresenter commitPresenter,
                                 final ContributeMessages messages,
                                 final NotificationManager notificationManager) {
        this.commitPresenter = commitPresenter;
        this.messages = messages;
        this.notificationManager = notificationManager;
    }

    @Override
    public void execute(final WorkflowExecutor executor, final Context context) {
        final Configuration configuration = context.getConfiguration();

        commitPresenter.setCommitActionHandler(new CommitPresenter.CommitActionHandler() {
            @Override
            public void onCommitAction(final CommitAction action) {
                if (action == CANCEL) {
                    executor.fail(CommitWorkingTreeStep.this, context, messages.stepCommitCanceled());
                } else {
                    executor.done(CommitWorkingTreeStep.this, context);
                }
            }
        });
        commitPresenter.hasUncommittedChanges(new AsyncCallback<Boolean>() {
            @Override
            public void onFailure(final Throwable exception) {
                notificationManager.notify(exception.getLocalizedMessage(), FAIL, FLOAT_MODE);
                executor.fail(CommitWorkingTreeStep.this, context, exception.getLocalizedMessage());
            }

            @Override
            public void onSuccess(final Boolean hasUncommittedChanges) {
                if (hasUncommittedChanges) {
                    commitPresenter
                            .showView(messages.contributorExtensionDefaultCommitDescription(configuration.getContributionBranchName(),
                                                                                            configuration.getContributionTitle()));
                } else {
                    executor.done(CommitWorkingTreeStep.this, context);
                }
            }
        });
    }
}