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/******************************************************************************
* Copyright (c) 2011 GitHub Inc.
* 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:
* Kevin Sawicki (GitHub Inc.) - initial API and implementation
*****************************************************************************/
package org.eclipse.mylyn.internal.github.core.pr;
import java.io.IOException;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.egit.github.core.Comment;
import org.eclipse.egit.github.core.IRepositoryIdProvider;
import org.eclipse.egit.github.core.PullRequest;
import org.eclipse.egit.github.core.Repository;
import org.eclipse.egit.github.core.RepositoryId;
import org.eclipse.egit.github.core.client.GitHubClient;
import org.eclipse.egit.github.core.client.GsonUtils;
import org.eclipse.egit.github.core.client.IGitHubConstants;
import org.eclipse.egit.github.core.service.IssueService;
import org.eclipse.egit.github.core.service.PullRequestService;
import org.eclipse.mylyn.commons.net.AuthenticationCredentials;
import org.eclipse.mylyn.commons.net.AuthenticationType;
import org.eclipse.mylyn.internal.github.core.GitHub;
import org.eclipse.mylyn.internal.github.core.QueryUtils;
import org.eclipse.mylyn.internal.github.core.RepositoryConnector;
import org.eclipse.mylyn.internal.github.core.issue.IssueConnector;
import org.eclipse.mylyn.internal.tasks.core.IRepositoryConstants;
import org.eclipse.mylyn.tasks.core.IRepositoryQuery;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler;
import org.eclipse.mylyn.tasks.core.data.TaskData;
import org.eclipse.mylyn.tasks.core.data.TaskDataCollector;
import org.eclipse.mylyn.tasks.core.sync.ISynchronizationSession;
/**
* GitHub pull request connector.
*/
public class PullRequestConnector extends RepositoryConnector {
/**
* SEGMENT_PULL
*/
public static final String SEGMENT_PULL = "/pull"; //$NON-NLS-1$
/**
* GitHub kind.
*/
public static final String KIND = "githubPullRequests"; //$NON-NLS-1$
/**
* Get repository label for id provider.
*
* @param repo
* @return label
*/
public static String getRepositoryLabel(IRepositoryIdProvider repo) {
return repo.generateId()
+ Messages.PullRequestConnector_LabelPullRequests;
}
/**
* Create pull request task repository
*
* @param repo
* @param username
* @param password
* @return task repository
*/
public static TaskRepository createTaskRepository(Repository repo,
String username, String password) {
String url = PullRequestConnector.appendPulls(GitHub.createGitHubUrl(
repo.getOwner().getLogin(), repo.getName()));
TaskRepository repository = new TaskRepository(KIND, url);
repository.setProperty(IRepositoryConstants.PROPERTY_LABEL,
getRepositoryLabel(repo));
if (username != null && password != null)
repository.setCredentials(AuthenticationType.REPOSITORY,
new AuthenticationCredentials(username, password), true);
repository.setProperty(IRepositoryConstants.PROPERTY_CATEGORY,
TaskRepository.CATEGORY_REVIEW);
return repository;
}
/**
* Appends a trailing '/pull's segment to the given url
*
* @param repoUrl
* @return appended string
*/
public static String appendPulls(final String repoUrl) {
return repoUrl + IGitHubConstants.SEGMENT_PULLS;
}
/**
* Strip trailing '/pulls' segment from string if it ends with it.
*
* @param repoUrl
* @return stripped string
*/
public static String stripPulls(String repoUrl) {
if (repoUrl.endsWith(IGitHubConstants.SEGMENT_PULLS))
repoUrl = repoUrl.substring(0, repoUrl.length()
- IGitHubConstants.SEGMENT_PULLS.length());
return repoUrl;
}
/**
* Get pull request from task data
*
* @param data
* @return pull request
*/
public static PullRequestComposite getPullRequest(TaskData data) {
if (data == null)
return null;
String value = PullRequestAttribute.MODEL.getMetadata().getValue(data);
if (value.length() == 0)
return null;
return GsonUtils.fromJson(value, PullRequestComposite.class);
}
/**
* Get repository id from pull request task repository url
*
* @param prRepoUrl
* @return repository id
*/
public static RepositoryId getRepository(String prRepoUrl) {
return GitHub.getRepository(stripPulls(prRepoUrl));
}
/**
* GitHub specific {@link AbstractTaskDataHandler}.
*/
private final PullRequestTaskDataHandler taskDataHandler;
/**
* Create GitHub issue repository connector
*/
public PullRequestConnector() {
taskDataHandler = new PullRequestTaskDataHandler(this);
}
/**
* {@inheritDoc}
*
* @see #KIND
*/
@Override
public String getConnectorKind() {
return KIND;
}
/**
* {@inheritDoc}
*/
@Override
public String getLabel() {
return Messages.PullRequestConnector_Label;
}
/**
* {@inheritDoc}
*/
@Override
public AbstractTaskDataHandler getTaskDataHandler() {
return taskDataHandler;
}
@Override
public IStatus performQuery(TaskRepository repository,
IRepositoryQuery query, TaskDataCollector collector,
ISynchronizationSession session, IProgressMonitor monitor) {
IStatus result = Status.OK_STATUS;
List<String> statuses = QueryUtils.getAttributes(
IssueService.FILTER_STATE, query);
monitor.beginTask(Messages.PullRequestConnector_TaskFetching,
statuses.size());
try {
RepositoryId repo = getRepository(repository.getRepositoryUrl());
GitHubClient client = IssueConnector.createClient(repository);
PullRequestService service = new PullRequestService(client);
IssueService commentService = new IssueService(client);
for (String status : statuses) {
List<PullRequest> pulls = service.getPullRequests(repo, status);
// collect task data
for (PullRequest pr : pulls) {
pr = service.getPullRequest(repo, pr.getNumber());
PullRequestComposite prComp = new PullRequestComposite();
prComp.setRequest(pr);
List<Comment> comments = null;
if (pr.getComments() > 0)
comments = commentService.getComments(repo.getOwner(),
repo.getName(),
Integer.toString(pr.getNumber()));
if (pr.getCommits() > 0)
prComp.setCommits(service.getCommits(repo,
pr.getNumber()));
TaskData taskData = taskDataHandler.createTaskData(
repository, monitor, repo, prComp, comments);
collector.accept(taskData);
}
monitor.worked(1);
}
} catch (IOException e) {
result = GitHub.createWrappedStatus(e);
}
monitor.done();
return result;
}
@Override
public TaskData getTaskData(TaskRepository repository, String taskId,
IProgressMonitor monitor) throws CoreException {
RepositoryId repo = getRepository(repository.getRepositoryUrl());
try {
GitHubClient client = IssueConnector.createClient(repository);
PullRequestService service = new PullRequestService(client);
PullRequest pr = service.getPullRequest(repo,
Integer.parseInt(taskId));
PullRequestComposite prComp = new PullRequestComposite();
prComp.setRequest(pr);
IssueService commentService = new IssueService(client);
List<Comment> comments = null;
if (pr.getComments() > 0)
comments = commentService.getComments(repo.getOwner(),
repo.getName(), taskId);
if (pr.getCommits() > 0)
prComp.setCommits(service.getCommits(repo, pr.getNumber()));
return taskDataHandler.createTaskData(repository, monitor, repo,
prComp, comments);
} catch (IOException e) {
throw new CoreException(GitHub.createWrappedStatus(e));
}
}
@Override
public String getRepositoryUrlFromTaskUrl(String taskFullUrl) {
int lastPull = taskFullUrl.lastIndexOf(SEGMENT_PULL);
if (lastPull != -1)
return taskFullUrl.substring(0, lastPull)
+ IGitHubConstants.SEGMENT_PULLS;
return null;
}
@Override
public String getTaskUrl(String repositoryUrl, String taskId) {
return stripPulls(repositoryUrl) + SEGMENT_PULL + "/" + taskId; //$NON-NLS-1$
}
}
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