Files
GitBucket/src/main/scala/app/PullRequestsController.scala
2014-06-29 03:29:03 +09:00

480 lines
21 KiB
Scala

package app
import util.{LockUtil, CollaboratorsAuthenticator, JGitUtil, ReferrerAuthenticator, Notifier, Keys}
import util.Directory._
import util.Implicits._
import util.ControlUtil._
import service._
import org.eclipse.jgit.api.Git
import jp.sf.amateras.scalatra.forms._
import org.eclipse.jgit.transport.RefSpec
import scala.collection.JavaConverters._
import org.eclipse.jgit.lib.{ObjectId, CommitBuilder, PersonIdent}
import service.IssuesService._
import service.PullRequestService._
import util.JGitUtil.DiffInfo
import util.JGitUtil.CommitInfo
import org.slf4j.LoggerFactory
import org.eclipse.jgit.merge.MergeStrategy
import org.eclipse.jgit.errors.NoMergeBaseException
import service.WebHookService.WebHookPayload
class PullRequestsController extends PullRequestsControllerBase
with RepositoryService with AccountService with IssuesService with PullRequestService with MilestonesService with LabelsService
with ActivityService with WebHookService with ReferrerAuthenticator with CollaboratorsAuthenticator
trait PullRequestsControllerBase extends ControllerBase {
self: RepositoryService with AccountService with IssuesService with MilestonesService with LabelsService
with ActivityService with PullRequestService with WebHookService with ReferrerAuthenticator with CollaboratorsAuthenticator =>
private val logger = LoggerFactory.getLogger(classOf[PullRequestsControllerBase])
val pullRequestForm = mapping(
"title" -> trim(label("Title" , text(required, maxlength(100)))),
"content" -> trim(label("Content", optional(text()))),
"targetUserName" -> trim(text(required, maxlength(100))),
"targetBranch" -> trim(text(required, maxlength(100))),
"requestUserName" -> trim(text(required, maxlength(100))),
"requestRepositoryName" -> trim(text(required, maxlength(100))),
"requestBranch" -> trim(text(required, maxlength(100))),
"commitIdFrom" -> trim(text(required, maxlength(40))),
"commitIdTo" -> trim(text(required, maxlength(40)))
)(PullRequestForm.apply)
val mergeForm = mapping(
"message" -> trim(label("Message", text(required)))
)(MergeForm.apply)
case class PullRequestForm(
title: String,
content: Option[String],
targetUserName: String,
targetBranch: String,
requestUserName: String,
requestRepositoryName: String,
requestBranch: String,
commitIdFrom: String,
commitIdTo: String)
case class MergeForm(message: String)
get("/:owner/:repository/pulls")(referrersOnly { repository =>
searchPullRequests(None, repository)
})
get("/:owner/:repository/pulls/:userName")(referrersOnly { repository =>
searchPullRequests(Some(params("userName")), repository)
})
get("/:owner/:repository/pull/:id")(referrersOnly { repository =>
params("id").toIntOpt.flatMap{ issueId =>
val owner = repository.owner
val name = repository.name
getPullRequest(owner, name, issueId) map { case(issue, pullreq) =>
using(Git.open(getRepositoryDir(owner, name))){ git =>
val (commits, diffs) =
getRequestCompareInfo(owner, name, pullreq.commitIdFrom, owner, name, pullreq.commitIdTo)
pulls.html.pullreq(
issue, pullreq,
getComments(owner, name, issueId),
getIssueLabels(owner, name, issueId),
(getCollaborators(owner, name) ::: (if(getAccountByUserName(owner).get.isGroupAccount) Nil else List(owner))).sorted,
getMilestonesWithIssueCount(owner, name),
getLabels(owner, name),
commits,
diffs,
hasWritePermission(owner, name, context.loginAccount),
repository)
}
}
} getOrElse NotFound
})
ajaxGet("/:owner/:repository/pull/:id/mergeguide")(collaboratorsOnly { repository =>
params("id").toIntOpt.flatMap{ issueId =>
val owner = repository.owner
val name = repository.name
getPullRequest(owner, name, issueId) map { case(issue, pullreq) =>
pulls.html.mergeguide(
checkConflictInPullRequest(owner, name, pullreq.branch, pullreq.requestUserName, name, pullreq.requestBranch, issueId),
pullreq,
s"${context.baseUrl}/git/${pullreq.requestUserName}/${pullreq.requestRepositoryName}.git")
}
} getOrElse NotFound
})
get("/:owner/:repository/pull/:id/delete/*")(collaboratorsOnly { repository =>
params("id").toIntOpt.map { issueId =>
val branchName = multiParams("splat").head
val userName = context.loginAccount.get.userName
if(repository.repository.defaultBranch != branchName){
using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
git.branchDelete().setForce(true).setBranchNames(branchName).call()
recordDeleteBranchActivity(repository.owner, repository.name, userName, branchName)
}
}
createComment(repository.owner, repository.name, userName, issueId, branchName, "delete_branch")
redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
} getOrElse NotFound
})
post("/:owner/:repository/pull/:id/merge", mergeForm)(collaboratorsOnly { (form, repository) =>
params("id").toIntOpt.flatMap { issueId =>
val owner = repository.owner
val name = repository.name
LockUtil.lock(s"${owner}/${name}"){
getPullRequest(owner, name, issueId).map { case (issue, pullreq) =>
using(Git.open(getRepositoryDir(owner, name))) { git =>
// mark issue as merged and close.
val loginAccount = context.loginAccount.get
createComment(owner, name, loginAccount.userName, issueId, form.message, "merge")
createComment(owner, name, loginAccount.userName, issueId, "Close", "close")
updateClosed(owner, name, issueId, true)
// record activity
recordMergeActivity(owner, name, loginAccount.userName, issueId, form.message)
// merge
val mergeBaseRefName = s"refs/heads/${pullreq.branch}"
val merger = MergeStrategy.RECURSIVE.newMerger(git.getRepository, true)
val mergeBaseTip = git.getRepository.resolve(mergeBaseRefName)
val mergeTip = git.getRepository.resolve(s"refs/pull/${issueId}/head")
val conflicted = try {
!merger.merge(mergeBaseTip, mergeTip)
} catch {
case e: NoMergeBaseException => true
}
if (conflicted) {
throw new RuntimeException("This pull request can't merge automatically.")
}
// creates merge commit
val mergeCommit = new CommitBuilder()
mergeCommit.setTreeId(merger.getResultTreeId)
mergeCommit.setParentIds(Array[ObjectId](mergeBaseTip, mergeTip): _*)
val personIdent = new PersonIdent(loginAccount.fullName, loginAccount.mailAddress)
mergeCommit.setAuthor(personIdent)
mergeCommit.setCommitter(personIdent)
mergeCommit.setMessage(s"Merge pull request #${issueId} from ${pullreq.requestUserName}/${pullreq.requestRepositoryName}\n\n" +
form.message)
// insertObject and got mergeCommit Object Id
val inserter = git.getRepository.newObjectInserter
val mergeCommitId = inserter.insert(mergeCommit)
inserter.flush()
inserter.release()
// update refs
val refUpdate = git.getRepository.updateRef(mergeBaseRefName)
refUpdate.setNewObjectId(mergeCommitId)
refUpdate.setForceUpdate(false)
refUpdate.setRefLogIdent(personIdent)
refUpdate.setRefLogMessage("merged", true)
refUpdate.update()
val (commits, _) = getRequestCompareInfo(owner, name, pullreq.commitIdFrom,
pullreq.requestUserName, pullreq.requestRepositoryName, pullreq.commitIdTo)
// close issue by content of pull request
val defaultBranch = getRepository(owner, name, context.baseUrl).get.repository.defaultBranch
if(pullreq.branch == defaultBranch){
commits.flatten.foreach { commit =>
closeIssuesFromMessage(commit.fullMessage, loginAccount.userName, owner, name)
}
issue.content match {
case Some(content) => closeIssuesFromMessage(content, loginAccount.userName, owner, name)
case _ =>
}
closeIssuesFromMessage(form.message, loginAccount.userName, owner, name)
}
// call web hook
getWebHookURLs(owner, name) match {
case webHookURLs if(webHookURLs.nonEmpty) =>
for(ownerAccount <- getAccountByUserName(owner)){
callWebHook(owner, name, webHookURLs,
WebHookPayload(git, loginAccount, mergeBaseRefName, repository, commits.flatten.toList, ownerAccount))
}
case _ =>
}
// notifications
Notifier().toNotify(repository, issueId, "merge"){
Notifier.msgStatus(s"${context.baseUrl}/${owner}/${name}/pull/${issueId}")
}
redirect(s"/${owner}/${name}/pull/${issueId}")
}
}
}
} getOrElse NotFound
})
get("/:owner/:repository/compare")(referrersOnly { forkedRepository =>
(forkedRepository.repository.originUserName, forkedRepository.repository.originRepositoryName) match {
case (Some(originUserName), Some(originRepositoryName)) => {
getRepository(originUserName, originRepositoryName, context.baseUrl).map { originRepository =>
using(
Git.open(getRepositoryDir(originUserName, originRepositoryName)),
Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
){ (oldGit, newGit) =>
val oldBranch = JGitUtil.getDefaultBranch(oldGit, originRepository).get._2
val newBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository).get._2
redirect(s"/${forkedRepository.owner}/${forkedRepository.name}/compare/${originUserName}:${oldBranch}...${newBranch}")
}
} getOrElse NotFound
}
case _ => {
using(Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))){ git =>
JGitUtil.getDefaultBranch(git, forkedRepository).map { case (_, defaultBranch) =>
redirect(s"/${forkedRepository.owner}/${forkedRepository.name}/compare/${defaultBranch}...${defaultBranch}")
} getOrElse {
redirect(s"/${forkedRepository.owner}/${forkedRepository.name}")
}
}
}
}
})
get("/:owner/:repository/compare/*...*")(referrersOnly { forkedRepository =>
val Seq(origin, forked) = multiParams("splat")
val (originOwner, tmpOriginBranch) = parseCompareIdentifie(origin, forkedRepository.owner)
val (forkedOwner, tmpForkedBranch) = parseCompareIdentifie(forked, forkedRepository.owner)
(for(
originRepositoryName <- if(originOwner == forkedOwner){
Some(forkedRepository.name)
} else {
forkedRepository.repository.originRepositoryName.orElse {
getForkedRepositories(forkedRepository.owner, forkedRepository.name).find(_._1 == originOwner).map(_._2)
}
};
originRepository <- getRepository(originOwner, originRepositoryName, context.baseUrl)
) yield {
using(
Git.open(getRepositoryDir(originRepository.owner, originRepository.name)),
Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
){ case (oldGit, newGit) =>
val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
val forkedId = JGitUtil.getForkedCommitId(oldGit, newGit,
originRepository.owner, originRepository.name, originBranch,
forkedRepository.owner, forkedRepository.name, forkedBranch)
val oldId = oldGit.getRepository.resolve(forkedId)
val newId = newGit.getRepository.resolve(forkedBranch)
val (commits, diffs) = getRequestCompareInfo(
originRepository.owner, originRepository.name, oldId.getName,
forkedRepository.owner, forkedRepository.name, newId.getName)
pulls.html.compare(
commits,
diffs,
(forkedRepository.repository.originUserName, forkedRepository.repository.originRepositoryName) match {
case (Some(userName), Some(repositoryName)) => (userName, repositoryName) :: getForkedRepositories(userName, repositoryName)
case _ => (forkedRepository.owner, forkedRepository.name) :: getForkedRepositories(forkedRepository.owner, forkedRepository.name)
},
originBranch,
forkedBranch,
oldId.getName,
newId.getName,
forkedRepository,
originRepository,
forkedRepository,
hasWritePermission(forkedRepository.owner, forkedRepository.name, context.loginAccount))
}
}) getOrElse NotFound
})
ajaxGet("/:owner/:repository/compare/*...*/mergecheck")(collaboratorsOnly { forkedRepository =>
val Seq(origin, forked) = multiParams("splat")
val (originOwner, tmpOriginBranch) = parseCompareIdentifie(origin, forkedRepository.owner)
val (forkedOwner, tmpForkedBranch) = parseCompareIdentifie(forked, forkedRepository.owner)
(for(
originRepositoryName <- if(originOwner == forkedOwner){
Some(forkedRepository.name)
} else {
forkedRepository.repository.originRepositoryName.orElse {
getForkedRepositories(forkedRepository.owner, forkedRepository.name).find(_._1 == originOwner).map(_._2)
}
};
originRepository <- getRepository(originOwner, originRepositoryName, context.baseUrl)
) yield {
using(
Git.open(getRepositoryDir(originRepository.owner, originRepository.name)),
Git.open(getRepositoryDir(forkedRepository.owner, forkedRepository.name))
){ case (oldGit, newGit) =>
val originBranch = JGitUtil.getDefaultBranch(oldGit, originRepository, tmpOriginBranch).get._2
val forkedBranch = JGitUtil.getDefaultBranch(newGit, forkedRepository, tmpForkedBranch).get._2
pulls.html.mergecheck(
checkConflict(originRepository.owner, originRepository.name, originBranch,
forkedRepository.owner, forkedRepository.name, forkedBranch))
}
}) getOrElse NotFound
})
post("/:owner/:repository/pulls/new", pullRequestForm)(referrersOnly { (form, repository) =>
val loginUserName = context.loginAccount.get.userName
val issueId = createIssue(
owner = repository.owner,
repository = repository.name,
loginUser = loginUserName,
title = form.title,
content = form.content,
assignedUserName = None,
milestoneId = None,
isPullRequest = true)
createPullRequest(
originUserName = repository.owner,
originRepositoryName = repository.name,
issueId = issueId,
originBranch = form.targetBranch,
requestUserName = form.requestUserName,
requestRepositoryName = form.requestRepositoryName,
requestBranch = form.requestBranch,
commitIdFrom = form.commitIdFrom,
commitIdTo = form.commitIdTo)
// fetch requested branch
using(Git.open(getRepositoryDir(repository.owner, repository.name))){ git =>
git.fetch
.setRemote(getRepositoryDir(form.requestUserName, form.requestRepositoryName).toURI.toString)
.setRefSpecs(new RefSpec(s"refs/heads/${form.requestBranch}:refs/pull/${issueId}/head"))
.call
}
// record activity
recordPullRequestActivity(repository.owner, repository.name, loginUserName, issueId, form.title)
// notifications
Notifier().toNotify(repository, issueId, form.content.getOrElse("")){
Notifier.msgPullRequest(s"${context.baseUrl}/${repository.owner}/${repository.name}/pull/${issueId}")
}
redirect(s"/${repository.owner}/${repository.name}/pull/${issueId}")
})
/**
* Checks whether conflict will be caused in merging. Returns true if conflict will be caused.
*/
private def checkConflict(userName: String, repositoryName: String, branch: String,
requestUserName: String, requestRepositoryName: String, requestBranch: String): Boolean = {
LockUtil.lock(s"${userName}/${repositoryName}"){
using(Git.open(getRepositoryDir(requestUserName, requestRepositoryName))) { git =>
val remoteRefName = s"refs/heads/${branch}"
val tmpRefName = s"refs/merge-check/${userName}/${branch}"
val refSpec = new RefSpec(s"${remoteRefName}:${tmpRefName}").setForceUpdate(true)
try {
// fetch objects from origin repository branch
git.fetch
.setRemote(getRepositoryDir(userName, repositoryName).toURI.toString)
.setRefSpecs(refSpec)
.call
// merge conflict check
val merger = MergeStrategy.RECURSIVE.newMerger(git.getRepository, true)
val mergeBaseTip = git.getRepository.resolve(s"refs/heads/${requestBranch}")
val mergeTip = git.getRepository.resolve(tmpRefName)
try {
!merger.merge(mergeBaseTip, mergeTip)
} catch {
case e: NoMergeBaseException => true
}
} finally {
val refUpdate = git.getRepository.updateRef(refSpec.getDestination)
refUpdate.setForceUpdate(true)
refUpdate.delete()
}
}
}
}
/**
* Checks whether conflict will be caused in merging within pull request. Returns true if conflict will be caused.
*/
private def checkConflictInPullRequest(userName: String, repositoryName: String, branch: String,
requestUserName: String, requestRepositoryName: String, requestBranch: String,
issueId: Int): Boolean = {
LockUtil.lock(s"${userName}/${repositoryName}") {
using(Git.open(getRepositoryDir(userName, repositoryName))) { git =>
// merge
val merger = MergeStrategy.RECURSIVE.newMerger(git.getRepository, true)
val mergeBaseTip = git.getRepository.resolve(s"refs/heads/${branch}")
val mergeTip = git.getRepository.resolve(s"refs/pull/${issueId}/head")
try {
!merger.merge(mergeBaseTip, mergeTip)
} catch {
case e: NoMergeBaseException => true
}
}
}
}
/**
* Parses branch identifier and extracts owner and branch name as tuple.
*
* - "owner:branch" to ("owner", "branch")
* - "branch" to ("defaultOwner", "branch")
*/
private def parseCompareIdentifie(value: String, defaultOwner: String): (String, String) =
if(value.contains(':')){
val array = value.split(":")
(array(0), array(1))
} else {
(defaultOwner, value)
}
private def getRequestCompareInfo(userName: String, repositoryName: String, branch: String,
requestUserName: String, requestRepositoryName: String, requestCommitId: String): (Seq[Seq[CommitInfo]], Seq[DiffInfo]) =
using(
Git.open(getRepositoryDir(userName, repositoryName)),
Git.open(getRepositoryDir(requestUserName, requestRepositoryName))
){ (oldGit, newGit) =>
val oldId = oldGit.getRepository.resolve(branch)
val newId = newGit.getRepository.resolve(requestCommitId)
val commits = newGit.log.addRange(oldId, newId).call.iterator.asScala.map { revCommit =>
new CommitInfo(revCommit)
}.toList.splitWith { (commit1, commit2) =>
view.helpers.date(commit1.time) == view.helpers.date(commit2.time)
}
val diffs = JGitUtil.getDiffs(newGit, oldId.getName, newId.getName, true)
(commits, diffs)
}
private def searchPullRequests(userName: Option[String], repository: RepositoryService.RepositoryInfo) =
defining(repository.owner, repository.name){ case (owner, repoName) =>
val filterUser = userName.map { x => Map("created_by" -> x) } getOrElse Map("all" -> "")
val page = IssueSearchCondition.page(request)
val sessionKey = Keys.Session.Pulls(owner, repoName)
// retrieve search condition
val condition = session.putAndGet(sessionKey,
if(request.hasQueryString) IssueSearchCondition(request)
else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
)
pulls.html.list(
searchIssue(condition, filterUser, true, (page - 1) * PullRequestLimit, PullRequestLimit, owner -> repoName),
getPullRequestCountGroupByUser(condition.state == "closed", Some(owner), Some(repoName)),
userName,
page,
countIssue(condition.copy(state = "open" ), filterUser, true, owner -> repoName),
countIssue(condition.copy(state = "closed"), filterUser, true, owner -> repoName),
countIssue(condition, Map.empty, true, owner -> repoName),
condition,
repository,
hasWritePermission(owner, repoName, context.loginAccount))
}
}