From 24c81d96bd84e055184ca2913efe6f3f3b9d3e59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Halil=20=C4=B0brahim=20Kalkan?= <hi_kalkan@yahoo.com>
Date: Sun, 29 Apr 2018 12:37:39 +0300
Subject: [PATCH] Improved Virtual-File-System.md and minor enhancements

---
 docs/Index.md                                 |   2 +-
 docs/Virtual-File-System.md                   |  48 +++++++++++++++++-
 .../build-action-embedded-resource-sample.png | Bin 0 -> 6844 bytes
 .../FileProviders/AbpFileInfoExtensions.cs    |  31 +++++++++++
 .../Embedded/EmbeddedFileSet.cs               |   2 +-
 .../Volo.Abp.VirtualFileSystem.Tests.csproj   |   2 +-
 .../VirtualFileSystem/MyResources/js/test.js  |   1 +
 .../VirtualFileProvider_Tests.cs              |   7 +--
 8 files changed, 85 insertions(+), 8 deletions(-)
 create mode 100644 docs/images/build-action-embedded-resource-sample.png
 create mode 100644 src/Volo.Abp.VirtualFileSystem/Microsoft/Extensions/FileProviders/AbpFileInfoExtensions.cs
 create mode 100644 test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/MyResources/js/test.js

diff --git a/docs/Index.md b/docs/Index.md
index fdf43d4a6f..0fd752b9af 100644
--- a/docs/Index.md
+++ b/docs/Index.md
@@ -7,7 +7,7 @@
   *  <a href="Getting-Started-AspNetCore-Application.md" target="_blank">With ASP.NET Core Web Application</a>
 * Fundamentals
   * <a href="Dependency-Injection.md" target="_blank">Dependency Injection</a>
-  * Virtual File System
+  * [Virtual File System](Virtual-File-System.md)
   * Localization
   * Exception Handling
 * [Multi Tenancy](Multi-Tenancy.md)
diff --git a/docs/Virtual-File-System.md b/docs/Virtual-File-System.md
index aa284ee050..4c3ac5bbd8 100644
--- a/docs/Virtual-File-System.md
+++ b/docs/Virtual-File-System.md
@@ -30,9 +30,21 @@ namespace MyCompany.MyProject
 
 #### Registering Embedded Files
 
+A file should be first marked as embedded resource to embed the file into the assembly. The easiest way to do it is to select the file from the **Solution Explorer** and set **Build Action** to **Embedded Resource** from the **Properties** window. Example:
 
+![build-action-embedded-resource-sample](images/build-action-embedded-resource-sample.png)
 
-A file should be first registered in order to use it in the application. Example:
+If you want to add multiple files, this can be tedious. Alternatively, you can directly edit your **.csproj** file:
+
+````C#
+<ItemGroup>
+  <None Remove="MyResources\**\*.*" />
+</ItemGroup>
+````
+
+This configuration recursively adds all files under the **MyResources** folder of the project (including the files you will add in the future).
+
+Then the module should configure `VirtualFileSystemOptions` to register embedded files to the virtual file system. Example:
 
 ````C#
 using Microsoft.Extensions.DependencyInjection;
@@ -58,6 +70,38 @@ namespace MyCompany.MyProject
 }
 ````
 
-AddEmbedded extension method takes a
+`AddEmbedded` extension method takes a class, finds all embedded files from the assembly of the given class and register to the virtual file system. It's a shortcut and could be written as shown below:
+
+````C#
+options.FileSets.Add(new EmbeddedFileSet(typeof(MyModule).Assembly));
+````
+
+#### Getting Virtual Files: IVirtualFileProvider
+
+After embedding a file into an assembly and registering to the virtual file system, `IVirtualFileProvider` can be used to get files or directory contents:
+
+````C#
+public class MyService
+{
+    private readonly IVirtualFileProvider _virtualFileProvider;
+
+    public MyService(IVirtualFileProvider virtualFileProvider)
+    {
+        _virtualFileProvider = virtualFileProvider;
+    }
+
+    public void Foo()
+    {
+        //Getting a single file
+        var file = _virtualFileProvider.GetFileInfo("/MyResources/js/test.js");
+        var fileContent = file.ReadAsString(); //ReadAsString is an extension method of ABP
+
+        //Getting all files/directories under a directory
+        var directoryContents = _virtualFileProvider.GetDirectoryContents("/MyResources/js");
+    }
+}
+````
+
+
 
 s
\ No newline at end of file
diff --git a/docs/images/build-action-embedded-resource-sample.png b/docs/images/build-action-embedded-resource-sample.png
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literal 0
HcmV?d00001

diff --git a/src/Volo.Abp.VirtualFileSystem/Microsoft/Extensions/FileProviders/AbpFileInfoExtensions.cs b/src/Volo.Abp.VirtualFileSystem/Microsoft/Extensions/FileProviders/AbpFileInfoExtensions.cs
new file mode 100644
index 0000000000..25c16b5b65
--- /dev/null
+++ b/src/Volo.Abp.VirtualFileSystem/Microsoft/Extensions/FileProviders/AbpFileInfoExtensions.cs
@@ -0,0 +1,31 @@
+using System.IO;
+using System.Text;
+using JetBrains.Annotations;
+using Volo.Abp;
+
+namespace Microsoft.Extensions.FileProviders
+{
+    public static class AbpFileInfoExtensions
+    {
+        /// <summary>
+        /// Reads file content as string using <see cref="Encoding.UTF8"/> encoding.
+        /// </summary>
+        public static string ReadAsString([NotNull] this IFileInfo fileInfo)
+        {
+            return fileInfo.ReadAsString(Encoding.UTF8);
+        }
+
+        /// <summary>
+        /// Reads file content as string using the given <paramref name="encoding"/>.
+        /// </summary>
+        public static string ReadAsString([NotNull] this IFileInfo fileInfo, Encoding encoding)
+        {
+            Check.NotNull(fileInfo, nameof(fileInfo));
+
+            using (var stream = fileInfo.CreateReadStream())
+            {
+                return encoding.GetString(stream.GetAllBytes());
+            }
+        }
+    }
+}
diff --git a/src/Volo.Abp.VirtualFileSystem/Volo/Abp/VirtualFileSystem/Embedded/EmbeddedFileSet.cs b/src/Volo.Abp.VirtualFileSystem/Volo/Abp/VirtualFileSystem/Embedded/EmbeddedFileSet.cs
index c846bb9c41..d2a0556527 100644
--- a/src/Volo.Abp.VirtualFileSystem/Volo/Abp/VirtualFileSystem/Embedded/EmbeddedFileSet.cs
+++ b/src/Volo.Abp.VirtualFileSystem/Volo/Abp/VirtualFileSystem/Embedded/EmbeddedFileSet.cs
@@ -21,7 +21,7 @@ namespace Volo.Abp.VirtualFileSystem.Embedded
 
         public EmbeddedFileSet(
             [NotNull] Assembly assembly, 
-            [CanBeNull] string baseNamespace, 
+            [CanBeNull] string baseNamespace = null,
             [CanBeNull] string baseFolderInProject = null)
         {
             Check.NotNull(assembly, nameof(assembly));
diff --git a/test/Volo.Abp.VirtualFileSystem.Tests/Volo.Abp.VirtualFileSystem.Tests.csproj b/test/Volo.Abp.VirtualFileSystem.Tests/Volo.Abp.VirtualFileSystem.Tests.csproj
index 1db4b6e8c4..59b82ae994 100644
--- a/test/Volo.Abp.VirtualFileSystem.Tests/Volo.Abp.VirtualFileSystem.Tests.csproj
+++ b/test/Volo.Abp.VirtualFileSystem.Tests/Volo.Abp.VirtualFileSystem.Tests.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <EmbeddedResource Include="Volo\Abp\VirtualFileSystem\MyResources\js\jquery-3-1-1-min.js" />
+    <EmbeddedResource Include="Volo\Abp\VirtualFileSystem\MyResources\js\*.js" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/MyResources/js/test.js b/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/MyResources/js/test.js
new file mode 100644
index 0000000000..07547e22b5
--- /dev/null
+++ b/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/MyResources/js/test.js
@@ -0,0 +1 @@
+//test.js-contents
\ No newline at end of file
diff --git a/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/VirtualFileProvider_Tests.cs b/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/VirtualFileProvider_Tests.cs
index 94679766c5..941ebb0c13 100644
--- a/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/VirtualFileProvider_Tests.cs
+++ b/test/Volo.Abp.VirtualFileSystem.Tests/Volo/Abp/VirtualFileSystem/VirtualFileProvider_Tests.cs
@@ -3,24 +3,25 @@ using System.Text;
 using Microsoft.Extensions.DependencyInjection;
 using Shouldly;
 using Volo.Abp.Modularity;
+using Volo.Abp.VirtualFileSystem.Embedded;
 using Xunit;
 
 namespace Volo.Abp.VirtualFileSystem
 {
     public class VirtualFileProvider_Tests : AbpIntegratedTest<VirtualFileProvider_Tests.TestModule>
     {
-        private readonly IVirtualFileProvider _embeddedFileManager;
+        private readonly IVirtualFileProvider _virtualFileProvider;
 
         public VirtualFileProvider_Tests()
         {
-            _embeddedFileManager = ServiceProvider.GetRequiredService<IVirtualFileProvider>();
+            _virtualFileProvider = ServiceProvider.GetRequiredService<IVirtualFileProvider>();
         }
 
         [Fact]
         public void Should_Define_And_Get_Embedded_Resources()
         {
             //Act
-            var resource = _embeddedFileManager.GetFileInfo("/js/jquery-3-1-1-min.js");
+            var resource = _virtualFileProvider.GetFileInfo("/js/jquery-3-1-1-min.js");
 
             //Assert
             resource.ShouldNotBeNull();