/// <summary>
/// Enumerates related products and writes them to the pipeline.
/// </summary>
/// <param name="upgradeCode"></param>
private void WriteProducts(string upgradeCode)
{
foreach (ProductInstallation product in ProductInstallation.GetRelatedProducts(upgradeCode))
{
this.WriteProduct(product);
}
}
/// <summary>
/// Returns the product version of the currently installed
/// Microsoft.AccessibilityInsights application
/// Returns null if the version could not be found
/// - could occur if the application has not been installed at all
/// - could occur if Windows Installer's cached MSI file is corrupted or deleted
/// </summary>
/// <returns></returns>
public static string GetInstalledProductVersion(IExceptionReporter exceptionReporter)
{
if (exceptionReporter == null)
{
throw new ArgumentNullException(nameof(exceptionReporter));
}
string targetUpgradeCode = UpdateGuid.ToUpperInvariant();
// Check whether application with target upgrade code is installed on this machine
IEnumerable <ProductInstallation> installations = ProductInstallation.GetRelatedProducts(targetUpgradeCode);
bool existingApp;
try
{
existingApp = installations.Any();
}
catch (ArgumentException e)
{
exceptionReporter.ReportException(e);
// occurs when the upgrade code is formatted incorrectly
// exception text: "Parameter is incorrect"
return(null);
}
if (!existingApp)
{
// occurs when the upgrade code does not match any existing application
return(null);
}
ProductInstallation existingInstall = installations.FirstOrDefault <ProductInstallation>(i => i.ProductVersion != null);
if (existingInstall == null)
{
return(null);
}
string msiFilePath = existingInstall.LocalPackage;
if (msiFilePath != null)
{
return(GetMSIProductVersion(msiFilePath));
}
// Should only get here if LocalPackage not set
return(null);
}
///<inheritdoc/>
public IEnumerable <IProductInstallation> GetRelatedProducts(string upgradeCode)
{
return(ProductInstallation.GetRelatedProducts(upgradeCode).Select(x => new ProductInstallationWrap(x) as IProductInstallation));
}
