(refs #508)Basic filter box implementation

src/main/scala/app/IssuesController.scala

@@ -9,7 +9,6 @@ import util.Implicits._
 import util.ControlUtil._
 import org.scalatra.Ok
 import model.Issue
-import plugin.PluginSystem
 
 class IssuesController extends IssuesControllerBase
   with IssuesService with RepositoryService with AccountService with LabelsService with MilestonesService with ActivityService
@@ -50,7 +49,12 @@ trait IssuesControllerBase extends ControllerBase {
     )(IssueStateForm.apply)
 
   get("/:owner/:repository/issues")(referrersOnly { repository =>
+    val q = request.getParameter("q")
+    if(Option(q).exists(_.contains("is:pr"))){
+      redirect(s"/${repository.owner}/${repository.name}/pulls?q=" + StringUtil.urlEncode(q))
+    } else {
       searchIssues(repository)
+    }
   })
 
   get("/:owner/:repository/issues/:id")(referrersOnly { repository =>
@@ -390,7 +394,14 @@ trait IssuesControllerBase extends ControllerBase {
 
       // retrieve search condition
       val condition = session.putAndGet(sessionKey,
-        if(request.hasQueryString) IssueSearchCondition(request)
+        if(request.hasQueryString){
+          val q = request.getParameter("q")
+          if(q == null){
+            IssueSearchCondition(request)
+          } else {
+            IssueSearchCondition(q, getMilestones(owner, repoName).map(x => (x.title, x.milestoneId)).toMap)
+          }
+        }
         else session.getAs[IssueSearchCondition](sessionKey).getOrElse(IssueSearchCondition())
       )
 

src/main/scala/app/PullRequestsController.scala

@@ -1,6 +1,6 @@
 package app
 
-import util.{LockUtil, CollaboratorsAuthenticator, JGitUtil, ReferrerAuthenticator, Notifier, Keys}
+import util._
 import util.Directory._
 import util.Implicits._
 import util.ControlUtil._
@@ -18,6 +18,9 @@ import org.slf4j.LoggerFactory
 import org.eclipse.jgit.merge.MergeStrategy
 import org.eclipse.jgit.errors.NoMergeBaseException
 import service.WebHookService.WebHookPayload
+import util.JGitUtil.DiffInfo
+import scala.Some
+import util.JGitUtil.CommitInfo
 
 class PullRequestsController extends PullRequestsControllerBase
   with RepositoryService with AccountService with IssuesService with PullRequestService with MilestonesService with LabelsService
@@ -59,7 +62,12 @@ trait PullRequestsControllerBase extends ControllerBase {
   case class MergeForm(message: String)
 
   get("/:owner/:repository/pulls")(referrersOnly { repository =>
+    val q = request.getParameter("q")
+    if(Option(q).exists(_.contains("is:issue"))){
+      redirect(s"/${repository.owner}/${repository.name}/issues?q=" + StringUtil.urlEncode(q))
+    } else {
       searchPullRequests(None, repository)
+    }
   })
 
   get("/:owner/:repository/pull/:id")(referrersOnly { repository =>

src/main/scala/service/IssuesService.scala

@@ -415,6 +415,47 @@ object IssuesService {
       if(value == null || value.isEmpty || (allow.nonEmpty && !allow.contains(value))) None else Some(value)
     }
 
+    /**
+     * Restores IssueSearchCondition instance from filter query.
+     */
+    def apply(filter: String, milestones: Map[String, Int]): IssueSearchCondition = {
+      val conditions = filter.split("[ 　\t]+").map { x =>
+        val dim = x.split(":")
+        dim(0) -> dim(1)
+      }.groupBy(_._1).map { case (key, values) =>
+        key -> values.map(_._2).toSeq
+      }
+
+      val (sort, direction) = conditions.get("sort").flatMap(_.headOption).getOrElse("created-desc") match {
+        case "created-asc"   => ("created" , "asc" )
+        case "comments-desc" => ("comments", "desc")
+        case "comments-asc"  => ("comments", "asc" )
+        case "updated-desc"  => ("comments", "desc")
+        case "updated-asc"   => ("comments", "asc" )
+        case _               => ("created" , "desc")
+      }
+
+      IssueSearchCondition(
+        conditions.get("label").map(_.toSet).getOrElse(Set.empty),
+        conditions.get("milestone").flatMap(_.headOption) match {
+          case None         => None
+          case Some("none") => Some(None)
+          case Some(x)      => Some(milestones.get(x))
+        },
+        conditions.get("author").flatMap(_.headOption),
+        conditions.get("assignee").flatMap(_.headOption),
+        None, // TODO??
+        conditions.get("is").getOrElse(Seq.empty).filter(x => x == "open" || x == "closed").headOption.getOrElse("open"),
+        sort,
+        direction,
+        None, // TODO??
+        Set.empty // TODO??
+      )
+    }
+
+    /**
+     * Restores IssueSearchCondition instance from request parameters.
+     */
     def apply(request: HttpServletRequest): IssueSearchCondition =
       IssueSearchCondition(
         param(request, "labels").map(_.split(",").toSet).getOrElse(Set.empty),

src/main/twirl/issues/tab.scala.html

@@ -11,9 +11,10 @@
   <li class="@if(active == "milestones"){active} last"><a href="@url(repository)/issues/milestones">Milestones</a></li>
   <li class="pull-right">
     @condition.map { condition =>
+      <form method="GET" id="search-filter-form">
         <div class="input-prepend" style="margin-bottom: 0px;">
           <div class="btn-group">
-          <button class="btn dropdown-toggle" data-toggle="dropdown" style="height: 34px;">
+            <button type="button" class="btn dropdown-toggle" data-toggle="dropdown" style="height: 34px;">
               Filter
               <span class="caret"></span>
             </button>
@@ -25,8 +26,9 @@
               <li><a href="#">Everything mentioning you</a></li>
             </ul>
           </div>
-        <input type="text" class="input-xlarge" style="height: 24px;" value="@condition.toFilterString"/>
+          <input type="text" id="search-filter-box" class="input-xlarge" name="q" style="height: 24px;" value="is:@{if(active == "issues") "issue" else "pr"} @condition.toFilterString"/>
         </div>
+      </form>
     }
     @if(loginAccount.isDefined){
       <div class="btn-group">