public object GetDynamicParameters()
{
var profileNames = UserProfileDirectory.GetUserProfiles(ShowHidden).Select(p => p.Name).ToArray();
var attributeCollection = new Collection <Attribute>
{
new ParameterAttribute {
Position = 0, ValueFromPipeline = true, ValueFromPipelineByPropertyName = true
},
new ValidateSetAttribute(profileNames)
};
var runtimeDictionary = new RuntimeDefinedParameterDictionary
{
{ "UserName", new RuntimeDefinedParameter("UserName", typeof(string), attributeCollection) }
};
return(runtimeDictionary);
}
protected override void ProcessRecord()
{
base.ProcessRecord();
MyInvocation.BoundParameters.TryGetValue("UserName", out var boundParameter);
var userNames = boundParameter is string str ? new[] { str } : (string[])boundParameter;
if (userNames == null)
{
var profiles = UserProfileDirectory.GetUserProfiles(ShowHidden);
WriteObject(profiles.ToArray().ToPSObject());
}
else
{
WriteObject(userNames
.Select(u => new DirectoryInfo(Path.Combine(UserProfileDirectory.DirectoryInfo.FullName, u)))
.ToArray()
.ToPSObject());
}
}
protected override void ProcessRecord()
{
base.ProcessRecord();
switch (ParameterSetName)
{
case "Scope":
if ((Scope & TempFileScope.AllUsers) > 0)
{
foreach (var userProfile in UserProfileDirectory.GetUserProfiles(false))
{
var userTemp = new DirectoryInfo(Path.Combine(userProfile.FullName, "AppData\\Local\\Temp"));
if (!userTemp.Exists)
{
continue;
}
try
{
userTemp.TryRecursiveDelete(false, out var inaccessible);
if (inaccessible > 0)
{
WriteWarning($"{inaccessible} file system objects could not be deleted because they were in use or could not be accessed.");
}
}
catch (Exception e)
{
WriteError(e.ToErrorRecord());
}
}
}
else if ((Scope & TempFileScope.System) > 0)
{
var windowsPath = Path.GetDirectoryName(Environment.GetFolderPath(Environment.SpecialFolder.System));
var windowsTemp = new DirectoryInfo(Path.Combine(windowsPath, "Temp"));
try
{
windowsTemp.TryRecursiveDelete(false, out var inaccessible);
if (inaccessible > 0)
{
WriteWarning($"{inaccessible} file system objects could not be deleted because they were in use or could not be accessed.");
}
}
catch (Exception e)
{
WriteError(e.ToErrorRecord());
}
}
break;
case "Pipeline":
foreach (var item in InputObject)
{
if (item.Parent == null || !item.Parent.Name.Equals("users", StringComparison.CurrentCultureIgnoreCase))
{
throw new ArgumentException("The input value is invalid because the parent directory does not match the user profiles directory name.");
}
var usertemp = new DirectoryInfo(Path.Combine(item.FullName, "AppData\\Local\\Temp"));
if (!usertemp.Exists)
{
continue;
}
try
{
usertemp.TryRecursiveDelete(false, out var inaccessible);
WriteVerbose($"Deleted all files not in use from \"{usertemp.FullName}\".");
if (inaccessible > 0)
{
WriteWarning($"{inaccessible} file system objects could not be deleted because they were in use or could not be accessed.");
}
}
catch (Exception e)
{
WriteError(e.ToErrorRecord());
}
}
break;
}
}
