Add link to clear issue filter.

src/main/scala/app/IssuesController.scala

@@ -29,24 +29,22 @@ trait IssuesControllerBase extends ControllerBase {
   get("/:owner/:repository/issues"){
     val owner      = params("owner")
     val repository = params("repository")
-    val condition  = IssueSearchCondition(request)
+    val sessionKey = "%s/%s/issues".format(owner, repository)
 
-    println(condition)
+    // retreive search condition
+    val condition = if(request.getQueryString == null){
+      session.get(sessionKey).getOrElse(IssueSearchCondition()).asInstanceOf[IssueSearchCondition]
+    } else IssueSearchCondition(request)
 
-    getRepository(owner, repository, baseUrl) match {
-      case None => NotFound()
-      case Some(repositoryInfo) => {
-        // search condition
-        val closed = params.get("state") collect {
-          case "closed" => true
-        } getOrElse false
+    session.put(sessionKey, condition)
 
-        issues.html.issues(searchIssue(owner, repository, closed),
-          getLabels(owner, repository),
-          getMilestones(owner, repository).filter(_.closedDate.isEmpty),
-          condition, repositoryInfo, isWritable(owner, repository, context.loginAccount))
-      }
-    }
+    getRepository(owner, repository, baseUrl).map { repositoryInfo =>
+      issues.html.issues(searchIssue(owner, repository, condition.state == "closed"),
+        getLabels(owner, repository),
+        getMilestones(owner, repository).filter(_.closedDate.isEmpty),
+        condition, repositoryInfo, isWritable(owner, repository, context.loginAccount))
+
+    } getOrElse NotFound
   }
 
   get("/:owner/:repository/issues/:id"){

src/main/scala/service/IssuesService.scala

@@ -75,7 +75,13 @@ object IssuesService {
   import java.net.URLEncoder
   import javax.servlet.http.HttpServletRequest
 
-  case class IssueSearchCondition(labels: Set[String], milestoneId: Option[Int], state: String, sort: String, direction: String){
+  case class IssueSearchCondition(
+      labels: Set[String]      = Set.empty,
+      milestoneId: Option[Int] = None,
+      state: String            = "open",
+      sort: String             = "created",
+      direction: String        = "desc"){
+
     import IssueSearchCondition._
 
     def toURL(repository: service.RepositoryService.RepositoryInfo)(implicit context: app.Context): String = {

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

@@ -72,6 +72,11 @@
       }
     </div>
     <div class="span9">
+      @if(condition.labels.nonEmpty || condition.milestoneId.isDefined){
+        <a href="@(new service.IssuesService.IssueSearchCondition().toURL(repository))" id="clear-filter">
+          <i class="icon-remove-circle"></i> Clear milestone and label filters
+        </a>
+      }
       <div class="pagination pull-right">
         <ul>
           <li class="disabled"><span>&#9664;</span></li>
@@ -162,4 +167,11 @@ span.label-color {
   -webkit-border-radius: 2px;
   -moz-border-radius: 2px;
 }
+
+a#clear-filter {
+  display: block;
+  color: #444;
+  font-weight: bold;
+  margin-bottom: 10px;
+}
 </style>