Web frontend

.gitignore

@@ -1,4 +1,5 @@
 *.suo
 *.dxcache
 obj/
-bin/
+bin/
+/packages

.nuget/NuGet.Config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <solution>
+    <add key="disableSourceControlIntegration" value="true" />
+  </solution>
+</configuration>

.nuget/NuGet.targets

@@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+    <PropertyGroup>
+        <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">$(MSBuildProjectDirectory)\..\</SolutionDir>
+
+        <!-- Enable the restore command to run before builds -->
+        <RestorePackages Condition="  '$(RestorePackages)' == '' ">false</RestorePackages>
+
+        <!-- Property that enables building a package from a project -->
+        <BuildPackage Condition=" '$(BuildPackage)' == '' ">false</BuildPackage>
+
+        <!-- Determines if package restore consent is required to restore packages -->
+        <RequireRestoreConsent Condition=" '$(RequireRestoreConsent)' != 'false' ">true</RequireRestoreConsent>
+
+        <!-- Download NuGet.exe if it does not already exist -->
+        <DownloadNuGetExe Condition=" '$(DownloadNuGetExe)' == '' ">false</DownloadNuGetExe>
+    </PropertyGroup>
+
+    <ItemGroup Condition=" '$(PackageSources)' == '' ">
+        <!-- Package sources used to restore packages. By default, registered sources under %APPDATA%\NuGet\NuGet.Config will be used -->
+        <!-- The official NuGet package source (https://www.nuget.org/api/v2/) will be excluded if package sources are specified and it does not appear in the list -->
+        <!--
+            <PackageSource Include="https://www.nuget.org/api/v2/" />
+            <PackageSource Include="https://my-nuget-source/nuget/" />
+        -->
+    </ItemGroup>
+
+    <PropertyGroup Condition=" '$(OS)' == 'Windows_NT'">
+        <!-- Windows specific commands -->
+        <NuGetToolsPath>$([System.IO.Path]::Combine($(SolutionDir), ".nuget"))</NuGetToolsPath>
+    </PropertyGroup>
+
+    <PropertyGroup Condition=" '$(OS)' != 'Windows_NT'">
+        <!-- We need to launch nuget.exe with the mono command if we're not on windows -->
+        <NuGetToolsPath>$(SolutionDir).nuget</NuGetToolsPath>
+    </PropertyGroup>
+
+    <PropertyGroup>
+        <PackagesProjectConfig>packages.$(MSBuildProjectName.Replace(' ', '_')).config</PackagesProjectConfig>
+    </PropertyGroup>
+
+    <Choose>
+        <When Condition="Exists('$(PackagesProjectConfig)')">
+            <PropertyGroup>
+                <PackagesConfig>$(PackagesProjectConfig)</PackagesConfig>
+            </PropertyGroup>
+        </When>
+        <When Condition="Exists('packages.config')">
+            <PropertyGroup>
+                <PackagesConfig>packages.config</PackagesConfig>
+            </PropertyGroup>
+        </When>
+    </Choose>
+
+    <PropertyGroup>
+        <!-- NuGet command -->
+        <NuGetExePath Condition=" '$(NuGetExePath)' == '' ">$(NuGetToolsPath)\NuGet.exe</NuGetExePath>
+        <PackageSources Condition=" $(PackageSources) == '' ">@(PackageSource)</PackageSources>
+
+        <NuGetCommand Condition=" '$(OS)' == 'Windows_NT'">"$(NuGetExePath)"</NuGetCommand>
+        <NuGetCommand Condition=" '$(OS)' != 'Windows_NT' ">mono --runtime=v4.0.30319 $(NuGetExePath)</NuGetCommand>
+
+        <PackageOutputDir Condition="$(PackageOutputDir) == ''">$(TargetDir.Trim('\\'))</PackageOutputDir>
+
+        <RequireConsentSwitch Condition=" $(RequireRestoreConsent) == 'true' ">-RequireConsent</RequireConsentSwitch>
+        <NonInteractiveSwitch Condition=" '$(VisualStudioVersion)' != '' AND '$(OS)' == 'Windows_NT' ">-NonInteractive</NonInteractiveSwitch>
+
+        <PaddedSolutionDir Condition=" '$(OS)' == 'Windows_NT'">"$(SolutionDir) "</PaddedSolutionDir>
+        <PaddedSolutionDir Condition=" '$(OS)' != 'Windows_NT' ">"$(SolutionDir)"</PaddedSolutionDir>
+
+        <!-- Commands -->
+        <RestoreCommand>$(NuGetCommand) install "$(PackagesConfig)" -source "$(PackageSources)"  $(NonInteractiveSwitch) $(RequireConsentSwitch) -solutionDir $(PaddedSolutionDir)</RestoreCommand>
+        <BuildCommand>$(NuGetCommand) pack "$(ProjectPath)" -Properties "Configuration=$(Configuration);Platform=$(Platform)" $(NonInteractiveSwitch) -OutputDirectory "$(PackageOutputDir)" -symbols</BuildCommand>
+
+        <!-- We need to ensure packages are restored prior to assembly resolve -->
+        <BuildDependsOn Condition="$(RestorePackages) == 'true'">
+            RestorePackages;
+            $(BuildDependsOn);
+        </BuildDependsOn>
+
+        <!-- Make the build depend on restore packages -->
+        <BuildDependsOn Condition="$(BuildPackage) == 'true'">
+            $(BuildDependsOn);
+            BuildPackage;
+        </BuildDependsOn>
+    </PropertyGroup>
+
+    <Target Name="CheckPrerequisites">
+        <!-- Raise an error if we're unable to locate nuget.exe  -->
+        <Error Condition="'$(DownloadNuGetExe)' != 'true' AND !Exists('$(NuGetExePath)')" Text="Unable to locate '$(NuGetExePath)'" />
+        <!--
+        Take advantage of MsBuild's build dependency tracking to make sure that we only ever download nuget.exe once.
+        This effectively acts as a lock that makes sure that the download operation will only happen once and all
+        parallel builds will have to wait for it to complete.
+        -->
+        <MsBuild Targets="_DownloadNuGet" Projects="$(MSBuildThisFileFullPath)" Properties="Configuration=NOT_IMPORTANT;DownloadNuGetExe=$(DownloadNuGetExe)" />
+    </Target>
+
+    <Target Name="_DownloadNuGet">
+        <DownloadNuGet OutputFilename="$(NuGetExePath)" Condition=" '$(DownloadNuGetExe)' == 'true' AND !Exists('$(NuGetExePath)')" />
+    </Target>
+
+    <Target Name="RestorePackages" DependsOnTargets="CheckPrerequisites">        
+        <Exec Command="$(RestoreCommand)"
+              Condition="'$(OS)' != 'Windows_NT' And Exists('$(PackagesConfig)')" />
+
+        <Exec Command="$(RestoreCommand)"
+              LogStandardErrorAsError="true"
+              Condition="'$(OS)' == 'Windows_NT' And Exists('$(PackagesConfig)')" />
+    </Target>
+
+    <Target Name="BuildPackage" DependsOnTargets="CheckPrerequisites">
+        <Exec Command="$(BuildCommand)"
+              Condition=" '$(OS)' != 'Windows_NT' " />
+
+        <Exec Command="$(BuildCommand)"
+              LogStandardErrorAsError="true"
+              Condition=" '$(OS)' == 'Windows_NT' " />
+    </Target>
+
+    <UsingTask TaskName="DownloadNuGet" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll">
+        <ParameterGroup>
+            <OutputFilename ParameterType="System.String" Required="true" />
+        </ParameterGroup>
+        <Task>
+            <Reference Include="System.Core" />
+            <Using Namespace="System" />
+            <Using Namespace="System.IO" />
+            <Using Namespace="System.Net" />
+            <Using Namespace="Microsoft.Build.Framework" />
+            <Using Namespace="Microsoft.Build.Utilities" />
+            <Code Type="Fragment" Language="cs">
+                <![CDATA[
+                try {
+                    OutputFilename = Path.GetFullPath(OutputFilename);
+
+                    Log.LogMessage("Downloading latest version of NuGet.exe...");
+                    WebClient webClient = new WebClient();
+                    webClient.DownloadFile("https://www.nuget.org/nuget.exe", OutputFilename);
+
+                    return true;
+                }
+                catch (Exception ex) {
+                    Log.LogErrorFromException(ex);
+                    return false;
+                }
+            ]]>
+            </Code>
+        </Task>
+    </UsingTask>
+</Project>

IvanZ.Traktor/Collection.cs

@@ -9,31 +9,42 @@
 
 namespace IvanZ.Traktor
 {
-    public class Collection
+    public class Collection : IDisposable
     {
-        private readonly string _collectionPath;
-        private readonly Lazy<Folder> _rootFolderLazy;
+        private readonly Stream _collectionStream;
+        private Folder _rootFolder;
 
         public Collection(string collectionPath)
         {
             if (String.IsNullOrEmpty(collectionPath))
                 throw new ArgumentException("collectionPath is null or empty.", "collectionPath");
 
-            _collectionPath = collectionPath;
-            _rootFolderLazy = new Lazy<Folder>(() => ParsePlaylists(_collectionPath));
+            _collectionStream = File.OpenRead(collectionPath);
+        }
+
+        public Collection(Stream collectionFileStream)
+        {
+            if (collectionFileStream == null)
+                throw new ArgumentNullException("collectionFileStream", "collectionFileStream is null.");
+
+            _collectionStream = collectionFileStream;
         }
 
         public Folder RootFolder
         {
-            get { return _rootFolderLazy.Value; }
+            get {
+                if (_rootFolder == null)
+                    _rootFolder = ParsePlaylists(_collectionStream);
+
+                return _rootFolder;
+            }
         }
 
 
-        private static Folder ParsePlaylists(string pathToCollectionFile)
+        private static Folder ParsePlaylists(Stream collectionStream)
         {
             // TODO: Validate existence of the collection;
-
-            return (Folder) ParseElement(XDocument.Load(pathToCollectionFile)
+            return (Folder) ParseElement(XDocument.Load(collectionStream)
                     .XPathSelectElement("/NML/PLAYLISTS/NODE"));
         }
 
@@ -89,5 +100,11 @@ public static string Find()
 
             return null;
         }
+
+
+        public void Dispose()
+        {
+            _collectionStream.Dispose();
+        }
     }
 }

TraktorPlaylistExporter.Web/App_Start/BundleConfig.cs

@@ -0,0 +1,28 @@
+using System.Web;
+using System.Web.Optimization;
+
+namespace TraktorPlaylistExporter.Web
+{
+    public class BundleConfig
+    {
+        // For more information on bundling, visit http://go.microsoft.com/fwlink/?LinkId=301862
+        public static void RegisterBundles(BundleCollection bundles)
+        {
+            bundles.Add(new ScriptBundle("~/bundles/jquery").Include(
+                        "~/Scripts/jquery-{version}.js"));
+
+            // Use the development version of Modernizr to develop with and learn from. Then, when you're
+            // ready for production, use the build tool at http://modernizr.com to pick only the tests you need.
+            bundles.Add(new ScriptBundle("~/bundles/modernizr").Include(
+                        "~/Scripts/modernizr-*"));
+
+            bundles.Add(new ScriptBundle("~/bundles/bootstrap").Include(
+                      "~/Scripts/bootstrap.js",
+                      "~/Scripts/respond.js"));
+
+            bundles.Add(new StyleBundle("~/Content/css").Include(
+                      "~/Content/bootstrap.css",
+                      "~/Content/site.css"));
+        }
+    }
+}

TraktorPlaylistExporter.Web/App_Start/FilterConfig.cs

@@ -0,0 +1,13 @@
+using System.Web;
+using System.Web.Mvc;
+
+namespace TraktorPlaylistExporter.Web
+{
+    public class FilterConfig
+    {
+        public static void RegisterGlobalFilters(GlobalFilterCollection filters)
+        {
+            filters.Add(new HandleErrorAttribute());
+        }
+    }
+}

TraktorPlaylistExporter.Web/App_Start/RouteConfig.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using System.Web.Mvc;
+using System.Web.Routing;
+
+namespace TraktorPlaylistExporter.Web
+{
+    public class RouteConfig
+    {
+        public static void RegisterRoutes(RouteCollection routes)
+        {
+            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
+
+            routes.MapRoute(
+                name: "Default",
+                url: "{controller}/{action}/{id}",
+                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
+            );
+        }
+    }
+}

TraktorPlaylistExporter.Web/Commands/CollectionToM3uExporter.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+using IvanZ.Traktor;
+using System.IO.Compression;
+using System.IO;
+
+namespace TraktorPlaylistExporter.Web.Commands
+{
+    public class CollectionToM3uExporter
+    {
+        private readonly Collection _collection;
+
+        public CollectionToM3uExporter(Collection collection)
+        {
+            if (collection == null)
+                throw new ArgumentNullException("collection", "collection is null.");
+
+            _collection = collection;
+        }
+
+        public void Export(Stream outputStream)
+        {
+            using (ZipArchive zip = new ZipArchive(outputStream, ZipArchiveMode.Create, true)) {
+                ExportFolder(_collection.RootFolder, "TraktorExporter", zip);
+            }
+        }
+
+        private void ExportFolder(Folder folder, string rootPath, ZipArchive zip)
+        {
+            string folderPath;
+
+            if (folder.IsRoot) {
+                folderPath = rootPath;
+            } else {
+                folderPath = String.Format("{0}/{1}", rootPath, folder.Name);
+            }
+
+            foreach (Playlist playlist in folder.Playlists) {
+                string playlistFilePath = String.Format("{0}/{1}.m3u", folderPath, playlist.Name);
+
+                ZipArchiveEntry entry = zip.CreateEntry(playlistFilePath);
+
+                using (StreamWriter playlistFileWriter = new StreamWriter(entry.Open())) {
+                    foreach (Track track in playlist.Tracks)
+                        playlistFileWriter.WriteLine(track.FilePath);
+                }
+            }
+            foreach (Folder subFolder in folder.Folders) {
+                string subFolderPath;
+
+                if (folder.IsRoot)
+                    subFolderPath = rootPath;
+                else
+                    subFolderPath = folderPath;
+
+                ExportFolder(subFolder, subFolderPath, zip);
+            }
+        }
+
+    }
+}