Expose simple applicable installer check in Com api

src/AppInstallerCLICore/Workflows/WorkflowBase.cpp

@@ -974,7 +974,7 @@ namespace AppInstaller::CLI::Workflow
         bool isUpdate = WI_IsFlagSet(context.GetFlags(), Execution::ContextFlag::InstallerExecutionUseUpdate);
 
         IPackageVersion::Metadata installationMetadata;
-        
+
         if (isUpdate)
         {
             installationMetadata = context.Get<Execution::Data::InstalledPackageVersion>()->GetMetadata();

src/Microsoft.Management.Deployment/PackageManager.idl

@@ -206,6 +206,12 @@ namespace Microsoft.Management.Deployment
             CompareResult CompareToVersion(String versionString);
         }
 
+        [contract(Microsoft.Management.Deployment.WindowsPackageManagerContract, 4)]
+        {
+            /// Checks if this package version has at least one applicable installer.
+            Boolean HasApplicableInstaller { get; };
+        }
+
         /// DESIGN NOTE:
         /// GetManifest from IPackageVersion in winget/RepositorySearch is not implemented in V1. That class has 
         /// a lot of fields and no one requesting it.

src/Microsoft.Management.Deployment/PackageVersionInfo.cpp

@@ -8,7 +8,10 @@
 #include "PackageCatalogInfo.h"
 #include "PackageCatalog.h"
 #include "CatalogPackage.h"
+#include "ComContext.h"
 #include "Workflows/WorkflowBase.h"
+#include "Workflows/ManifestComparator.h"
+#include "winget/RepositorySearch.h"
 #include "AppInstallerVersions.h"
 #include "Converters.h"
 #include <wil\cppwinrt_wrl.h>
@@ -112,6 +115,15 @@ namespace winrt::Microsoft::Management::Deployment::implementation
             return CompareResult::Equal;
         }
     }
+    bool PackageVersionInfo::HasApplicableInstaller()
+    {
+        AppInstaller::CLI::Execution::COMContext context;
+        AppInstaller::Repository::IPackageVersion::Metadata installationMetadata;
+        AppInstaller::CLI::Workflow::ManifestComparator manifestComparator{ context, installationMetadata };
+        AppInstaller::Manifest::Manifest manifest = m_packageVersion->GetManifest();
+        auto result = manifestComparator.GetPreferredInstaller(manifest);
+        return result.installer.has_value();
+    }
     std::shared_ptr<::AppInstaller::Repository::IPackageVersion> PackageVersionInfo::GetRepositoryPackageVersion()
     { 
         return m_packageVersion; 

src/Microsoft.Management.Deployment/PackageVersionInfo.h

@@ -23,7 +23,9 @@ namespace winrt::Microsoft::Management::Deployment::implementation
         winrt::Windows::Foundation::Collections::IVectorView<hstring> ProductCodes();
         winrt::Microsoft::Management::Deployment::PackageCatalog PackageCatalog();
         winrt::Microsoft::Management::Deployment::CompareResult CompareToVersion(hstring versionString);
-
+        // Contract version 4
+        bool HasApplicableInstaller();
+
 #if !defined(INCLUDE_ONLY_INTERFACE_METHODS)
     private:
         winrt::Microsoft::Management::Deployment::PackageCatalog m_packageCatalog{ nullptr };