public ProcessingResult LaunchMsi(string msiPath)
{
using (var package = new MsiPackage(msiPath))
{
var session = package.Session;
session["Installed"] = null;
var directories = package.GetDirectories();
var initialProperties = package.GetRuntimeProperties().ToPropertyDictionary();
var sequenceItems = package.GetUiSequence()
.Where(x => string.IsNullOrWhiteSpace(x.Condition) || session.EvaluateCondition(x.Condition))
.TakeWhile(x => x.Action != "ExecuteAction");
var results = sequenceItems.Select(x => ExecuteAction(package, x.Action)).ToArray();
var finalProperties = package.GetRuntimeProperties().ToPropertyDictionary();
var result = new ProcessingResult
{
AddedProperties = GetAddedProperties(initialProperties, finalProperties).ToList(),
ChangedProperties = GetChangedProperties(initialProperties, finalProperties).ToList(),
Errors = results.OfType <ActionError>().Select(x => x.Message).ToList(),
Directories = directories.ToList(),
Features = PopulateStates(package.GetFeatures(), session).ToList()
};
var initialDirectories = results.OfType <ActionCostsFinalized>().SingleOrDefault();
if (initialDirectories != null)
{
result.ChangedDirectories = GetChangedDirectoryProperties(initialDirectories.Properties,
finalProperties, directories).ToList();
}
return(result);
}
}
private static IActionResult ExecuteAction(MsiPackage package, string name)
{
try
{
package.Session.DoAction(name);
return(name != "CostFinalize"
? (IActionResult) new ActionExecuted()
: new ActionCostsFinalized {
Properties = package.GetRuntimeProperties().ToPropertyDictionary()
});
}
catch (Exception ex)
{
return(new ActionError {
Message = $"Action '{name}' failed with message: '{ex.Message}'"
});
}
}
internal static IEnumerable <FeatureItem> GetFeatures(this MsiPackage package) => GetFeatures(package.Database);
internal static IEnumerable <PropertyItem> GetRuntimeProperties(this MsiPackage package) => GetRuntimeProperties(package.Database);
internal static IEnumerable <DirectoryItem> GetDirectories(this MsiPackage package) => GetDirectories(package.Database);
internal static IEnumerable <SequenceItem> GetUiSequence(this MsiPackage package) => GetUiSequence(package.Database);