Implementing Wiki part.

src/main/scala/app/WikiController.scala

@@ -8,7 +8,9 @@ class WikiController extends ControllerBase {
     val owner      = params("owner")
     val repository = params("repository")
     
-    html.wiki(WikiUtil.getPage(owner, repository, "Home"), JGitUtil.getRepositoryInfo(owner, repository, servletContext))
+    html.wiki("Home", 
+        WikiUtil.getPage(owner, repository, "Home"), 
+        JGitUtil.getRepositoryInfo(owner, repository, servletContext))
   }
   
 }

src/main/scala/util/WikiUtil.scala

@@ -13,8 +13,10 @@ object WikiUtil {
    * 
    * @param name the page name
    * @param content the page content
+   * @param committer the last committer
+   * @param time the last modified time
    */
-  case class WikiPageInfo(name: String, content: String)
+  case class WikiPageInfo(name: String, content: String, committer: String, time: Date)
   
   /**
    * The model for wiki page history.
@@ -44,6 +46,7 @@ object WikiUtil {
     if(!dir.exists){
       val repo = new RepositoryBuilder().setGitDir(dir).setBare.build
       repo.create
+      savePage(owner, repository, "Home", "Welcome to the %s wiki!!".format(repository), owner, "Initial Commit")
     }
   }
   
@@ -54,8 +57,8 @@ object WikiUtil {
     createWikiRepository(owner, repository)
     val git = Git.open(getWikiRepositoryDir(owner, repository))
     try {
-      JGitUtil.getFileList(git, "master", ".").find(_.name == pageName).map { file =>
-        WikiPageInfo(file.name, new String(git.getRepository.open(file.id).getBytes, "UTF-8"))
+      JGitUtil.getFileList(git, "master", ".").find(_.name == pageName + ".md").map { file =>
+        WikiPageInfo(file.name, new String(git.getRepository.open(file.id).getBytes, "UTF-8"), file.committer, file.time)
       }
     } catch {
       // TODO no commit, but it should not judge by exception.

src/main/scala/view/helpers.scala

@@ -18,6 +18,12 @@ object helpers {
   def format(value: String): twirl.api.Html = twirl.api.Html(
     value.replaceAll(" ", "&nbsp;").replaceAll("\t", "&nbsp;&nbsp;&nbsp;&nbsp;").replaceAll("\n", "<br>"))
 
+  def markdown(value: String): twirl.api.Html = {
+    import org.pegdown._
+    val html = new PegDownProcessor().markdownToHtml(value)
+    twirl.api.Html(html)
+  }
+    
   /**
    * Cut the given string by specified length.
    */