Added a class QueueableViewAsPdf to support generating pdf files in H…

Rotativa.Demo/Controllers/HomeController.cs

@@ -1,5 +1,7 @@
 using System;
 using System.IO;
+using System.Threading.Tasks;
+using System.Web.Hosting;
 using System.Web.Mvc;
 using Rotativa.Demo.Models;
 using Rotativa.Options;
@@ -80,6 +82,29 @@ public ActionResult TestView()
             };
         }
 
+        public ActionResult TestQueueablePdf()
+        {
+            var queueableViewAsPdf = new QueueableViewAsPdf(ControllerContext, "Index")
+            {
+                FileName = "TestView.pdf",
+                PageSize = Size.A3,
+                PageOrientation = Orientation.Landscape,
+                PageMargins = {Left = 0, Right = 0}
+            };
+
+            HostingEnvironment.QueueBackgroundWorkItem(e =>
+            {
+                // Put this step in a background work item as it takes most of the time, 
+                // especially when there are multiple files need to be generated.
+
+                var file = queueableViewAsPdf.BuildFile();
+                // Email the file as an attachment.
+            });
+
+            ViewBag.Message = "File will be sent to your email shortly";
+            return View();
+        }
+
         public ActionResult TestViewImage()
         {
             // The more usual way of using this would be to have a Model object that you would pass into ViewAsImage

Rotativa.Demo/Models/AccountModels.cs

@@ -23,7 +23,7 @@ public class ChangePasswordModel
 
         [DataType(DataType.Password)]
         [Display(Name = "Confirm new password")]
-        [Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
+        [System.ComponentModel.DataAnnotations.Compare("NewPassword", ErrorMessage = "The new password and confirmation password do not match.")]
         public string ConfirmPassword { get; set; }
     }
 
@@ -61,7 +61,7 @@ public class RegisterModel
 
         [DataType(DataType.Password)]
         [Display(Name = "Confirm password")]
-        [Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
+        [System.ComponentModel.DataAnnotations.Compare("Password", ErrorMessage = "The password and confirmation password do not match.")]
         public string ConfirmPassword { get; set; }
     }
 }

Rotativa.Demo/Rotativa.Demo.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -13,7 +13,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Rotativa.Demo</RootNamespace>
     <AssemblyName>Rotativa.Demo</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <MvcBuildViews>false</MvcBuildViews>
     <UseIISExpress>true</UseIISExpress>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
@@ -28,6 +28,7 @@
     <IISExpressWindowsAuthentication />
     <IISExpressUseClassicPipelineMode />
     <MvcProjectUpgradeChecked>true</MvcProjectUpgradeChecked>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -37,6 +38,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -45,23 +47,26 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Data.Entity" />
     <Reference Include="System" />
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
-    <Reference Include="System.Core" />
-    <Reference Include="System.Data.DataSetExtensions" />
     <Reference Include="System.Web" />
     <Reference Include="System.Web.ApplicationServices" />
+    <Reference Include="System.Web.DynamicData" />
+    <Reference Include="System.Web.Entity" />
+    <Reference Include="System.Web.Extensions" />
     <Reference Include="System.Web.Mvc, Version=3.0.0.1, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL" />
-    <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.EnterpriseServices" />
+    <Reference Include="System.Xml.Linq" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Controllers\AccountController.cs" />
@@ -183,6 +188,9 @@
   <ItemGroup>
     <Content Include="Views\CssTests\Index.cshtml" />
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="Views\Home\TestQueueablePdf.cshtml" />
+  </ItemGroup>
   <PropertyGroup>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>

Rotativa.Demo/Views/Home/Index.cshtml

@@ -12,6 +12,7 @@
                     <li>@Html.ActionLink("Test URL", "TestUrl", "Home")</li>
                     <li>@Html.ActionLink("Test External URL", "TestExternalUrl", "Home")</li>
                     <li>@Html.ActionLink("Test View", "TestView", "Home")</li>
+                    <li>@Html.ActionLink("Test generating pdf in QueueBackgroundWorkItem", "TestQueueablePdf", "Home")</li>
                     <li>@Html.ActionLink("Test View Image", "TestViewImage", "Home")</li>
                     <li>@Html.ActionLink("Test Save on Server", "TestSaveOnServer", new { fileName = "test.pdf"})</li>
                     <li>@Html.ActionLink("Logged In Test", "AuthorizedTest", "Home")</li>

Rotativa.Demo/Views/Home/TestQueueablePdf.cshtml

@@ -0,0 +1,5 @@
+@{
+    ViewBag.Title = "TestQueueablePdf Page";
+}
+
+<h2>@ViewBag.Message</h2>

Rotativa.Demo/Web.config

@@ -3,90 +3,83 @@
   For more information on how to configure your ASP.NET application, please visit
   http://go.microsoft.com/fwlink/?LinkId=152368
   -->
-
 <configuration>
   <connectionStrings>
-    <add name="ApplicationServices"
-         connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true"
-         providerName="System.Data.SqlClient" />
+    <add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient"/>
   </connectionStrings>
-
   <appSettings>
     <add key="webpages:Version" value="1.0.0.0"/>
     <add key="ClientValidationEnabled" value="true"/>
     <add key="UnobtrusiveJavaScriptEnabled" value="true"/>
     <add key="WkhtmltopdfPath" value=""/>
   </appSettings>
+  <!--
+    For a description of web.config changes see http://go.microsoft.com/fwlink/?LinkId=235367.
 
+    The following attributes can be set on the <httpRuntime> tag.
+      <system.Web>
+        <httpRuntime targetFramework="4.5.2" />
+      </system.Web>
+  -->
   <system.web>
-    <compilation debug="true" targetFramework="4.0">
+    <compilation debug="true" targetFramework="4.5.2">
       <assemblies>
-        <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
-        <add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
-        <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
-        <add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
-        <add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
+        <add assembly="System.Web.Abstractions, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
+        <add assembly="System.Web.Helpers, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
+        <add assembly="System.Web.Routing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
+        <add assembly="System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
+        <add assembly="System.Web.WebPages, Version=1.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
       </assemblies>
     </compilation>
-
     <authentication mode="Forms">
-      <forms loginUrl="~/Account/LogOn" timeout="2880" />
+      <forms loginUrl="~/Account/LogOn" timeout="2880"/>
     </authentication>
-
     <membership>
       <providers>
         <clear/>
-        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices"
-             enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false"
-             maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10"
-             applicationName="/" />
+        <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" applicationName="/"/>
       </providers>
     </membership>
-
     <profile>
       <providers>
         <clear/>
-        <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/" />
+        <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider" connectionStringName="ApplicationServices" applicationName="/"/>
       </providers>
     </profile>
-
     <roleManager enabled="false">
       <providers>
         <clear/>
-        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/" />
-        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/" />
+        <add name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider" connectionStringName="ApplicationServices" applicationName="/"/>
+        <add name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider" applicationName="/"/>
       </providers>
     </roleManager>
-
-    <pages>
+    <pages controlRenderingCompatibilityVersion="4.0">
       <namespaces>
-        <add namespace="System.Web.Helpers" />
-        <add namespace="System.Web.Mvc" />
-        <add namespace="System.Web.Mvc.Ajax" />
-        <add namespace="System.Web.Mvc.Html" />
-        <add namespace="System.Web.Routing" />
+        <add namespace="System.Web.Helpers"/>
+        <add namespace="System.Web.Mvc"/>
+        <add namespace="System.Web.Mvc.Ajax"/>
+        <add namespace="System.Web.Mvc.Html"/>
+        <add namespace="System.Web.Routing"/>
         <add namespace="System.Web.WebPages"/>
       </namespaces>
     </pages>
   </system.web>
-
   <system.webServer>
     <validation validateIntegratedModeConfiguration="false"/>
     <modules runAllManagedModulesForAllRequests="true"/>
     <httpProtocol>
       <customHeaders>
-        <clear />
-        <add name="Access-Control-Allow-Origin" value="*" />
+        <clear/>
+        <add name="Access-Control-Allow-Origin" value="*"/>
       </customHeaders>
     </httpProtocol>
   </system.webServer>
-
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35" />
-        <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0" />
+        <assemblyIdentity name="System.Web.Mvc" publicKeyToken="31bf3856ad364e35"/>
+        <bindingRedirect oldVersion="1.0.0.0-2.0.0.0" newVersion="3.0.0.0"/>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-</configuration>
+</configuration>

Rotativa.UnitTests/Rotativa.UnitTests.csproj

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -10,10 +10,11 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Rotativa.UnitTests</RootNamespace>
     <AssemblyName>Rotativa.UnitTests</AssemblyName>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <SolutionDir Condition="$(SolutionDir) == '' Or $(SolutionDir) == '*Undefined*'">..\</SolutionDir>
     <RestorePackages>true</RestorePackages>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -23,6 +24,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -31,6 +33,7 @@
     <DefineConstants>TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="MvcContrib.TestHelper">

Rotativa/QueueableViewAsPdf.cs

@@ -0,0 +1,82 @@
+using System.Web;
+using System.Web.Mvc;
+using Rotativa.Extensions;
+
+namespace Rotativa
+{
+    public class QueueableViewAsPdf : AsPdfResultBase
+    {
+        private readonly ControllerContext _context;
+        private readonly object _model;
+        private string _viewName;
+        private readonly string _masterName;
+
+        public string ViewHtmlString { get; private set; }
+
+        public QueueableViewAsPdf(ControllerContext context)
+        {
+            _context = context;
+
+            ViewHtmlString = GetHtmlFromView();
+        }
+
+        public QueueableViewAsPdf(ControllerContext context, string viewName)
+        {
+            _context = context;
+            _viewName = viewName;
+
+            ViewHtmlString = GetHtmlFromView();
+        }
+
+        public QueueableViewAsPdf(ControllerContext context, object model)
+        {
+            _context = context;
+            _model = model;
+
+            ViewHtmlString = GetHtmlFromView();
+        }
+
+        public QueueableViewAsPdf(ControllerContext context, string viewName, object model)
+        {
+            _context = context;
+            _viewName = viewName;
+            _model = model;
+
+            ViewHtmlString = GetHtmlFromView();
+        }
+
+        public QueueableViewAsPdf(ControllerContext context, string viewName, string masterName, object model)
+        {
+            _context = context;
+            _viewName = viewName;
+            _masterName = masterName;
+            _model = model;
+
+            ViewHtmlString = GetHtmlFromView();
+        }
+
+        private string GetHtmlFromView()
+        {
+            this.WkhtmlPath = HttpContext.Current.Server.MapPath("~/Rotativa");
+
+            if (string.IsNullOrEmpty(_viewName))
+                _viewName = _context.RouteData.GetRequiredString("action");
+
+            var viewResult = ViewEngines.Engines.FindView(_context, _viewName, _masterName);
+            var html = _context.GetHtmlFromView(viewResult, _viewName, _model);
+
+            return html;
+        }
+
+        public byte[] BuildFile()
+        {
+            var fileContent = WkhtmltopdfDriver.ConvertHtml(this.WkhtmlPath, this.GetConvertOptions(), ViewHtmlString);
+            return fileContent;
+        }
+
+        protected override string GetUrl(ControllerContext context)
+        {
+            return string.Empty;
+        }
+    }
+}

Rotativa/Rotativa.csproj

@@ -55,6 +55,7 @@
     <Compile Include="PartialViewAsImage.cs" />
     <Compile Include="PartialViewAsPdf.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="QueueableViewAsPdf.cs" />
     <Compile Include="RouteAsImage.cs" />
     <Compile Include="RouteAsPdf.cs" />
     <Compile Include="UrlAsImage.cs" />