Implementing conditional issue searching.

src/main/scala/app/IssuesController.scala

@@ -27,26 +27,15 @@ trait IssuesControllerBase extends ControllerBase {
     )(CommentForm.apply)
 
   get("/:owner/:repository/issues"){
-    val owner      = params("owner")
-    val repository = params("repository")
-
-    searchIssues(owner, repository, "all", None)
+    searchIssues("all")
   }
 
   get("/:owner/:repository/issues/assigned/:userName"){
-    val owner      = params("owner")
-    val repository = params("repository")
-    val userName   = params("userName")
-
-    searchIssues(owner, repository, "assigned", Some(userName))
+    searchIssues("assigned")
   }
 
   get("/:owner/:repository/issues/created_by/:userName"){
-    val owner      = params("owner")
-    val repository = params("repository")
-    val userName   = params("userName")
-
-    searchIssues(owner, repository, "created_by", Some(userName))
+    searchIssues("created_by")
   }
 
   get("/:owner/:repository/issues/:id"){
@@ -85,7 +74,10 @@ trait IssuesControllerBase extends ControllerBase {
         saveComment(owner, repository, context.loginAccount.get.userName, form.issueId, form.content)))
   })
 
-  private def searchIssues(owner: String, repository: String, filter: String, userName: Option[String]) = {
+  private def searchIssues(filter: String) = {
+    val owner      = params("owner")
+    val repository = params("repository")
+    val userName   = if(filter != "all") Some(params("userName")) else None
     val sessionKey = "%s/%s/issues".format(owner, repository)
 
     // retrieve search condition
@@ -96,7 +88,7 @@ trait IssuesControllerBase extends ControllerBase {
     session.put(sessionKey, condition)
 
     getRepository(owner, repository, baseUrl).map { repositoryInfo =>
-      issues.html.issues(searchIssue(owner, repository, condition.state == "closed"),
+      issues.html.issues(searchIssue(owner, repository, condition, filter, userName),
         getLabels(owner, repository),
         getMilestones(owner, repository).filter(_.closedDate.isEmpty),
         condition, filter, repositoryInfo, isWritable(owner, repository, context.loginAccount))

src/main/scala/service/IssuesService.scala

@@ -7,8 +7,11 @@ 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 { t =>
@@ -25,13 +28,26 @@ trait IssuesService {
       (t.issueId is issueId.bind)
     } list
 
-  def searchIssue(owner: String, repository: String,
-      // TODO It is better to have a DTO
-      closed: Boolean) =
+  def searchIssue(owner: String, repository: String, condition: IssueSearchCondition, filter: String, userName: Option[String]) =
     Query(Issues) filter { t =>
-      (t.userName is owner.bind) &&
-      (t.repositoryName is repository.bind) &&
-      (t.closed is closed.bind)
+      (t.userName         is owner.bind) &&
+      (t.repositoryName   is repository.bind) &&
+      (t.closed           is (condition.state == "closed").bind) &&
+      (t.milestoneId     is condition.milestoneId.get.bind, condition.milestoneId.isDefined) &&
+      //if(condition.labels.nonEmpty) Some(Query(Issue)) else None,
+      (t.assignedUserName is userName.get.bind, filter == "assigned") &&
+      (t.openedUserName   is userName.get.bind, filter == "created_by")
+    } sortBy { t =>
+      (condition.sort match {
+        case "created"  => t.registeredDate
+        case "comments" => t.updatedDate
+        case "updated"  => t.updatedDate
+      }) match {
+        case sort => condition.direction match {
+          case "asc"  => sort asc
+          case "desc" => sort desc
+        }
+      }
     } list
 
   def saveIssue(owner: String, repository: String, loginUser: String,

src/main/scala/util/Implicits.scala

@@ -1,6 +1,7 @@
 package util
 
 import twirl.api.Html
+import scala.slick.driver.H2Driver.simple._
 
 /**
  * Provides some usable implicit conversions.
@@ -29,4 +30,8 @@ object Implicits {
     def mkHtml(separator: scala.xml.Elem) = Html(seq.mkString(separator.toString))
   }
 
+  implicit def extendsColumn(c1: Column[Boolean]) = new {
+    def &&(c2: => Column[Boolean], guard: => Boolean): Column[Boolean] = if(guard) c1 && c2 else c1
+  }
+
 }

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

@@ -1,4 +1,6 @@
-@(issues: List[model.Issue], labels: List[model.Label], milestones: List[model.Milestone], condition: service.IssuesService.IssueSearchCondition, filter: String, repository: service.RepositoryService.RepositoryInfo, isWritable: Boolean)(implicit context: app.Context)
+@(issues: List[model.Issue], labels: List[model.Label], milestones: List[model.Milestone],
+  condition: service.IssuesService.IssueSearchCondition, filter: String,
+  repository: service.RepositoryService.RepositoryInfo, isWritable: Boolean)(implicit context: app.Context)
 @import context._
 @import view.helpers._
 @html.main("Issues - " + repository.owner + "/" + repository.name){