/// <summary>
/// Merges ICE cubes into the database <paramref name="item"/> and executes selected ICEs.
/// </summary>
/// <param name="item">The database to validate.</param>
protected override void ProcessItem(PSObject item)
{
// Get the item path and set the current context.
string path = item.GetPropertyValue <string>("PSPath");
path = this.SessionState.Path.GetUnresolvedProviderPathFromPSPath(path);
this.CurrentPath = path;
// Copy the database to a writable location and open.
string copy = this.Copy(path);
using (var db = new InstallPackage(copy, DatabaseOpenMode.Direct))
{
// Apply any patches or transforms before otherwise modifying.
this.ApplyTransforms(db);
// Copy the ProductCode and drop the Property table to avoid opening an installed product.
bool hasProperty = db.IsTablePersistent("Property");
string productCode = null;
if (hasProperty)
{
productCode = db.ExecutePropertyQuery("ProductCode");
}
// Merge the ICE cubes and fix up the database if needed.
this.MergeCubes(db);
if (!hasProperty)
{
db.Execute("DROP TABLE `Property`");
}
var included = new List <WildcardPattern>();
if (null != this.Include)
{
Array.ForEach(this.Include, pattern => included.Add(new WildcardPattern(pattern)));
}
var excluded = new List <WildcardPattern>();
if (null != this.Exclude)
{
Array.ForEach(this.Exclude, pattern => excluded.Add(new WildcardPattern(pattern)));
}
// Get all the ICE actions in the database that are not excluded.
var actions = new List <string>();
foreach (var action in db.ExecuteStringQuery("SELECT `Action` FROM `_ICESequence` ORDER BY `Sequence`"))
{
if (!action.Match(excluded))
{
actions.Add(action);
}
}
// Remove any actions not explicitly included.
if (0 < included.Count)
{
for (int i = actions.Count - 1; 0 <= i; --i)
{
if (!actions[i].Match(included))
{
actions.RemoveAt(i);
}
}
}
// Open a session with the database.
using (var session = Installer.OpenPackage(db, false))
{
// Put the original ProductCode back.
if (!string.IsNullOrEmpty(productCode))
{
db.Execute("DELETE FROM `Property` WHERE `Property` = 'ProductCode'");
db.Execute("INSERT INTO `Property` (`Property`, `Value`) VALUES ('ProductCode', '{0}')", productCode);
}
// Now execute all the remaining actions in order.
foreach (string action in actions)
{
try
{
session.DoAction(action);
this.Flush();
}
catch (InstallerException ex)
{
using (var pse = new PSInstallerException(ex))
{
if (null != pse.ErrorRecord)
{
this.WriteError(pse.ErrorRecord);
}
}
}
}
}
}
}