Deleted Test-WinUtilPackageManager.ps1 + custom winget and choco installs + remove winget/choco enums and exeptions (#4606)

* Update Invoke-WPFGetInstalled.ps1

* Update Install-WinUtilWinget.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilWinget.ps1

* Delete functions/private/Test-WinUtilPackageManager.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilWinget.ps1

* Update Install-WinUtilChoco.ps1

* Update Invoke-WPFGetInstalled.ps1

* Update Invoke-WPFGetInstalled.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilWinget.ps1

* Update Install-WinUtilWinget.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilWinget.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilWinget.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilChoco.ps1

* Update Install-WinUtilWinget.ps1

* Fixed lastrun.json

* refactor: remove PackageManagers enum and unused custom exception classes

* Update Invoke-WPFUIElements.ps1

* Update Get-WinUtilSelectedPackages.ps1

* Update Set-Preferences.ps1

* Update main.ps1

* Complete package manager enum removal

Use string package-manager preferences throughout the remaining helpers and focused tests. Restore the existing Winget install flow and package-manager probe helper so PR 4606 keeps the current WinGet repair method.

* Fix string keyed package split

---------

Co-authored-by: Chris Titus <contact@christitus.com>

functions/private/Get-WinUtilPackageLogSummary.ps1

@@ -4,7 +4,7 @@ function Get-WinUtilPackageLogSummary {
         [object[]]$Packages,
 
         [Parameter(Mandatory = $true)]
-        [PackageManagers]$Preference
+        [string]$Preference
     )
 
     @($Packages | ForEach-Object {
@@ -17,7 +17,7 @@ function Get-WinUtilPackageLogSummary {
             $packageName = "Unknown package"
         }
 
-        if ($Preference -eq [PackageManagers]::Choco -and -not [string]::IsNullOrWhiteSpace([string]$package.choco) -and $package.choco -ne "na") {
+        if ($Preference -eq "Choco" -and -not [string]::IsNullOrWhiteSpace([string]$package.choco) -and $package.choco -ne "na") {
             "$packageName (choco: $($package.choco))"
         } elseif (-not [string]::IsNullOrWhiteSpace([string]$package.winget) -and $package.winget -ne "na") {
             "$packageName (winget: $($package.winget))"

functions/private/Get-WinUtilSelectedPackages.ps1

@@ -5,7 +5,7 @@ function Get-WinUtilSelectedPackages {
          [object] $PackageList,
 
          [Parameter(Mandatory = $true)]
-         [PackageManagers] $Preference
+         [string] $Preference
      )
 
     if ($PackageList.count -eq 1) {
@@ -17,8 +17,8 @@ function Get-WinUtilSelectedPackages {
     $packagesWinget = [System.Collections.ArrayList]::new()
     $packagesChoco = [System.Collections.ArrayList]::new()
     $packages = @{
-        ([PackageManagers]::Winget) = $packagesWinget
-        ([PackageManagers]::Choco) = $packagesChoco
+        Winget = $packagesWinget
+        Choco = $packagesChoco
     }
 
     function Add-PackageId {

functions/private/Install-WinUtilChoco.ps1

@@ -1,16 +1,7 @@
 function Install-WinUtilChoco {
-
-    <#
-
-    .SYNOPSIS
-        Installs Chocolatey if it is not already installed
-
-    #>
-    if ((Test-WinUtilPackageManager -choco) -eq "installed") {
-        return
+    if (-not (Get-Command -Name choco)) {
+      Write-Host "Chocolatey is not installed. Installing now..."
+      $installScript = Invoke-WebRequest -Uri https://community.chocolatey.org/install.ps1 -UseBasicParsing
+      Invoke-Command -ScriptBlock ([scriptblock]::Create($installScript.Content))
     }
-
-    Write-Host "Chocolatey is not installed. Installing now..."
-    $installScript = Invoke-WebRequest -Uri https://community.chocolatey.org/install.ps1 -UseBasicParsing
-    Invoke-Command -ScriptBlock ([scriptblock]::Create($installScript.Content))
 }

functions/private/Set-Preferences.ps1

@@ -60,14 +60,6 @@ function Set-Preferences{
         if ($null -eq $sync.preferences.packagemanager) {
             $sync.preferences.packagemanager = "Winget"
         }
-
-        # convert packagemanager to enum
-        if ($sync.preferences.packagemanager -eq "Choco") {
-            $sync.preferences.packagemanager = [PackageManagers]::Choco
-        }
-        elseif ($sync.preferences.packagemanager -eq "Winget") {
-            $sync.preferences.packagemanager = [PackageManagers]::Winget
-        }
     }
 
     $iniPath = "$winutildir\preferences.ini"