refractor

- refractor scans into one function
- create Invoke-WinUtilInitializeModule Function & use it accordingly
- refractor Update Installation process
- refractor DataGrid Item-management through Itemsource for better Main Thread performance

functions/public/Invoke-WPFUpdateMGMT.ps1

@@ -0,0 +1,127 @@
+
+function Invoke-WinUtilUpdateInstall {
+
+    <#
+    .SYNOPSIS
+        Installs Windows updates using the Initialize-WindowsUpdateModule and Install-WindowsUpdate cmdlets.
+
+    .PARAMETER Params
+        A hashtable containing the parameters for the Install-WindowsUpdate cmdlet.
+
+    #>
+
+    param (
+        [Parameter(Mandatory=$true)]
+        [hashtable]$Params
+    )
+
+    try {
+        Initialize-WindowsUpdateModule
+        Install-WindowsUpdate @Params
+        Set-WinUtilTaskbaritem -state "None" -overlay "checkmark"
+    }
+    catch {
+        Write-Host "Error installing updates: $_" -ForegroundColor Red
+        Set-WinUtilTaskbaritem -state "Error" -overlay "warning"
+    }
+}
+
+function Invoke-WPFUpdateMGMT {
+
+    <#
+    .SYNOPSIS
+        Manages Windows Update Installation
+
+    .PARAMETER Selected
+        A switch parameter that indicates whether to install only selected updates.
+
+    .PARAMETER All
+        A switch parameter that indicates whether to install all available updates.
+
+    #>
+
+    param (
+        [switch]$Selected,
+        [switch]$All
+    )
+
+    # Prepare common installation parameters
+    $params = @{
+        Confirm = $false
+        IgnoreReboot = $true
+        IgnoreRebootRequired = $true
+    }
+
+    if ($sync["WPFUpdateVerbose"].IsChecked) {
+        $params['Verbose'] = $true
+    }
+
+    try {
+        if ($All) {
+            Set-WinUtilTaskbaritem -state "Indeterminate" -value 0.01 -overlay "logo"
+            Invoke-WinUtilUpdateControls -state $false
+            Invoke-WPFRunspace -ArgumentList $params -DebugPreference $DebugPreference -ScriptBlock {
+                param ($params)
+
+                try {
+                    Write-Host "Installing all available updates..."
+                    Invoke-WinUtilUpdateInstall -Params $params
+                    Write-Host "All available updates installed successfully"
+                    $sync.form.Dispatcher.Invoke([action] { Set-WinUtilTaskbaritem -state "None" -overlay "checkmark" })
+                } catch {
+                    Write-Host "Error installing updates: $_" -ForegroundColor Red
+                    $sync.form.Dispatcher.Invoke([action] { Set-WinUtilTaskbaritem -state "Error" -overlay "warning" })
+                }
+            }
+            Invoke-WinUtilUpdateControls -state $true
+        } elseif ($Selected -and $sync["WPFUpdatesList"].SelectedItems.Count -gt 0) {
+            Write-Host "Installing selected updates..."
+
+            # Get selected updates
+            $selectedUpdates = $sync["WPFUpdatesList"].SelectedItems | ForEach-Object {
+                [PSCustomObject]@{
+                        ComputerName = $_.ComputerName
+                        Title = $_.LongTitle
+                        KB = $_.KB
+                    }
+                }
+
+            # Install selected updates
+            Invoke-WPFRunspace -ParameterList @(("selectedUpdates", $selectedUpdates),("params", $params)) -DebugPreference $DebugPreference -ScriptBlock {
+                param ($selectedUpdates, $params)
+
+                $sync.form.Dispatcher.Invoke([action] {
+                    Set-WinUtilTaskbaritem -state "Indeterminate" -value 0.01 -overlay "logo"
+                    Invoke-WinUtilUpdateControls -state $false
+                })
+
+                foreach ($update in $selectedUpdates) {
+                    Write-Host "Installing update $($update.Title) on $($update.ComputerName)"
+
+                    # Prepare update-specific parameters
+                    $updateParams = $params.Clone()
+                    $updateParams['ComputerName'] = $update.ComputerName
+
+                    # Install update based on KB or Title
+                    if ($update.KB) {
+                        Get-WindowsUpdate -KBArticleID $update.KB -Install @updateParams
+                    } else {
+                        Get-WindowsUpdate -Title $update.Title -Install @updateParams
+                    }
+                }
+
+                $sync.form.Dispatcher.Invoke([action] {
+                    Set-WinUtilTaskbaritem -state "None" -overlay "checkmark"
+                    Invoke-WinUtilUpdateControls -state $true
+                })
+                Write-Host "Selected updates installed successfully"
+            }
+        } else {
+            Write-Host "No updates selected"
+        }
+
+    } catch {
+        Write-Host "Error installing updates: $_" -ForegroundColor Red
+        Set-WinUtilTaskbaritem -state "Error" -overlay "warning"
+    }
+}