Files
GitBucket/src/main/scala/service/IssuesService.scala
2013-07-02 21:26:20 +09:00

282 lines
11 KiB
Scala

package service
import scala.slick.driver.H2Driver.simple._
import Database.threadLocalSession
import scala.slick.jdbc.{StaticQuery => Q}
import Q.interpolation
import model._
import Issues._
import util.Implicits._
trait IssuesService {
import IssuesService._
def getIssue(owner: String, repository: String, issueId: String) =
if (issueId forall (_.isDigit))
Query(Issues) filter (_.byPrimaryKey(owner, repository, issueId.toInt)) firstOption
else None
def getComments(owner: String, repository: String, issueId: Int) =
Query(IssueComments) filter (_.byIssue(owner, repository, issueId)) list
def getComment(commentId: String) =
if (commentId forall (_.isDigit))
Query(IssueComments) filter (_.byPrimaryKey(commentId.toInt)) firstOption
else None
def getIssueLabel(owner: String, repository: String, issueId: Int) =
IssueLabels
.innerJoin(Labels).on { (t1, t2) =>
t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
}
.filter ( _._1.byIssue(owner, repository, issueId) )
.map ( _._2 )
.list
/**
* Returns the count of the search result against issues.
*
* @param owner the repository owner
* @param repository the repository name
* @param condition the search condition
* @param filter the filter type ("all", "assigned" or "created_by")
* @param userName the filter user name required for "assigned" and "created_by"
* @return the count of the search result
*/
def countIssue(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]): Int = {
// TODO It must be _.length instead of map (_.issueId) list).length. But it does not work on Slick 1.0.1 (worked on Slick 1.0.0).
(searchIssueQuery(owner, repository, condition, filter, userName) map (_.issueId) list).length
}
/**
* Returns the Map which contains issue count for each labels.
*
* @param owner the repository owner
* @param repository the repository name
* @param condition the search condition
* @param filter the filter type ("all", "assigned" or "created_by")
* @param userName the filter user name required for "assigned" and "created_by"
* @return the Map which contains issue count for each labels (key is label name, value is issue count),
*/
def countIssueGroupByLabels(owner: String, repository: String, condition: IssueSearchCondition,
filter: String, userName: Option[String]): Map[String, Int] = {
searchIssueQuery(owner, repository, condition.copy(labels = Set.empty), filter, userName)
.innerJoin(IssueLabels).on { (t1, t2) =>
t1.byIssue(t2.userName, t2.repositoryName, t2.issueId)
}
.innerJoin(Labels).on { case ((t1, t2), t3) =>
t2.byLabel(t3.userName, t3.repositoryName, t3.labelId)
}
.groupBy { case ((t1, t2), t3) =>
t3.labelName
}
.map { case (labelName, t) =>
labelName ~ t.length
}
.list
.toMap
}
/**
* Returns the search result against issues.
*
* @param owner the repository owner
* @param repository the repository name
* @param condition the search condition
* @param filter the filter type ("all", "assigned" or "created_by")
* @param userName the filter user name required for "assigned" and "created_by"
* @param offset the offset for pagination
* @param limit the limit for pagination
* @return the search result (list of tuples which contain issue, labels and comment count)
*/
def searchIssue(owner: String, repository: String, condition: IssueSearchCondition,
filter: String, userName: Option[String], offset: Int, limit: Int): List[(Issue, List[Label], Int)] = {
// get issues and comment count
val issues = searchIssueQuery(owner, repository, condition, filter, userName)
.leftJoin(Query(IssueComments)
.filter { _.byRepository(owner, repository) }
.groupBy { _.issueId }
.map { case (issueId, t) => issueId ~ t.length }).on((t1, t2) => t1.issueId is t2._1)
.sortBy { case (t1, t2) =>
(condition.sort match {
case "created" => t1.registeredDate
case "comments" => t2._2
case "updated" => t1.updatedDate
}) match {
case sort => condition.direction match {
case "asc" => sort asc
case "desc" => sort desc
}
}
}
.map { case (t1, t2) => (t1, t2._2.ifNull(0)) }
.drop(offset).take(limit)
.list
// get labels
val labels = Query(IssueLabels)
.innerJoin(Labels).on { (t1, t2) =>
t1.byLabel(t2.userName, t2.repositoryName, t2.labelId)
}
.filter { case (t1, t2) =>
(t1.byRepository(owner, repository)) &&
(t1.issueId inSetBind (issues.map(_._1.issueId)))
}
.sortBy { case (t1, t2) => t1.issueId ~ t2.labelName }
.map { case (t1, t2) => (t1.issueId, t2) }
.list
issues.map { case (issue, commentCount) =>
(issue, labels.collect { case (issueId, labels) if(issueId == issue.issueId) => labels }, commentCount)
}
}
/**
* Assembles query for conditional issue searching.
*/
private def searchIssueQuery(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]) =
Query(Issues) filter { t1 =>
(t1.byRepository(owner, repository)) &&
(t1.closed is (condition.state == "closed").bind) &&
(t1.milestoneId is condition.milestoneId.get.get.bind, condition.milestoneId.flatten.isDefined) &&
(t1.milestoneId isNull, condition.milestoneId == Some(None)) &&
(t1.assignedUserName is userName.get.bind, filter == "assigned") &&
(t1.openedUserName is userName.get.bind, filter == "created_by") &&
(IssueLabels filter { t2 =>
(t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) &&
(t2.labelId in
(Labels filter { t3 =>
(t3.byRepository(t1.userName, t1.repositoryName)) &&
(t3.labelName inSetBind condition.labels)
} map(_.labelId)))
} exists, condition.labels.nonEmpty)
}
def createIssue(owner: String, repository: String, loginUser: String, title: String, content: Option[String],
assignedUserName: Option[String], milestoneId: Option[Int]) =
// next id number
sql"SELECT ISSUE_ID + 1 FROM ISSUE_ID WHERE USER_NAME = $owner AND REPOSITORY_NAME = $repository FOR UPDATE".as[Int]
.firstOption.filter { id =>
Issues insert Issue(
owner,
repository,
id,
loginUser,
milestoneId,
assignedUserName,
title,
content,
false,
currentDate,
currentDate)
// increment issue id
IssueId
.filter (_.byPrimaryKey(owner, repository))
.map (_.issueId)
.update (id) > 0
} get
def registerIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int) =
IssueLabels insert (IssueLabel(owner, repository, issueId, labelId))
def deleteIssueLabel(owner: String, repository: String, issueId: Int, labelId: Int) =
IssueLabels filter(_.byPrimaryKey(owner, repository, issueId, labelId)) delete
def createComment(owner: String, repository: String, loginUser: String,
issueId: Int, content: String, action: Option[String]) =
IssueComments.autoInc insert (
owner,
repository,
issueId,
action,
loginUser,
content,
currentDate,
currentDate)
def updateIssue(owner: String, repository: String, issueId: Int,
title: String, content: Option[String]) =
Issues
.filter (_.byPrimaryKey(owner, repository, issueId))
.map { t =>
t.title ~ t.content.? ~ t.updatedDate
}
.update (title, content, currentDate)
def updateAssignedUserName(owner: String, repository: String, issueId: Int, assignedUserName: Option[String]) =
Issues.filter (_.byPrimaryKey(owner, repository, issueId)).map(_.assignedUserName?).update (assignedUserName)
def updateMilestoneId(owner: String, repository: String, issueId: Int, milestoneId: Option[Int]) =
Issues.filter (_.byPrimaryKey(owner, repository, issueId)).map(_.milestoneId?).update (milestoneId)
def updateComment(commentId: Int, content: String) =
IssueComments
.filter (_.byPrimaryKey(commentId))
.map { t =>
t.content ~ t.updatedDate
}
.update (content, currentDate)
def updateClosed(owner: String, repository: String, issueId: Int, closed: Boolean) =
Issues
.filter (_.byPrimaryKey(owner, repository, issueId))
.map { t =>
t.closed ~ t.updatedDate
}
.update (closed, currentDate)
}
object IssuesService {
import java.net.URLEncoder
import javax.servlet.http.HttpServletRequest
val IssueLimit = 30
case class IssueSearchCondition(
labels: Set[String] = Set.empty,
milestoneId: Option[Option[Int]] = None,
state: String = "open",
sort: String = "created",
direction: String = "desc"){
import IssueSearchCondition._
def toURL: String =
"?" + List(
if(labels.isEmpty) None else Some("labels=" + urlEncode(labels.mkString(" "))),
milestoneId.map { id => "milestone=" + (id match {
case Some(x) => x.toString
case None => "none"
})},
Some("state=" + urlEncode(state)),
Some("sort=" + urlEncode(sort)),
Some("direction=" + urlEncode(direction))).flatten.mkString("&")
}
object IssueSearchCondition {
private def urlEncode(value: String): String = URLEncoder.encode(value, "UTF-8")
private def param(request: HttpServletRequest, name: String, allow: Seq[String] = Nil): Option[String] = {
val value = request.getParameter(name)
if(value == null || value.isEmpty || (allow.nonEmpty && !allow.contains(value))) None else Some(value)
}
def apply(request: HttpServletRequest): IssueSearchCondition =
IssueSearchCondition(
param(request, "labels").map(_.split(" ").toSet).getOrElse(Set.empty),
param(request, "milestone").map(_ match {
case "none" => None
case x => Some(x.toInt)
}),
param(request, "state", Seq("open", "closed")).getOrElse("open"),
param(request, "sort", Seq("created", "comments", "updated")).getOrElse("created"),
param(request, "direction", Seq("asc", "desc")).getOrElse("desc"))
}
}