From fa334a4518c9d7a4e8c0ae80fd9adf2449184318 Mon Sep 17 00:00:00 2001
From: Gabe <gabe@gabesville.com>
Date: Sat, 9 Aug 2025 16:33:34 +0000
Subject: [PATCH] Upload files to "Reinstall Scripts"

---
 Reinstall Scripts/App - Teams - Reinstall.ps1 | 132 ++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 Reinstall Scripts/App - Teams - Reinstall.ps1

diff --git a/Reinstall Scripts/App - Teams - Reinstall.ps1 b/Reinstall Scripts/App - Teams - Reinstall.ps1
new file mode 100644
index 0000000..8ee4c19
--- /dev/null
+++ b/Reinstall Scripts/App - Teams - Reinstall.ps1	
@@ -0,0 +1,132 @@
+<#
+Author: Gabe Kerntke
+Date: 03-06-2024
+
+.Synopsis
+
+.Modified
+2024-03-06 (GabeK) - Original script created
+2025-08-09 (GabeK) - Updated to use functions script
+#>
+
+[CmdletBinding()]
+Param(
+    [Parameter(Mandatory = $false)]
+    $App_Name = "Teams",
+    [Parameter(Mandatory = $false)]
+    $File_Name_Extension = "exe",
+    [Parameter(Mandatory = $false)]
+    $Install_Parameters = "-p" ,
+    [Parameter(Mandatory = $false)]
+    $EPCache_Folder = "3rd Party Patches\$App_Name",
+    [Parameter(Mandatory = $false)]
+    $File_Name = "$App_Name.$File_Name_Extension",
+    [Parameter(Mandatory = $false)]
+    $users = (Get-ChildItem -path c:\users).name,
+    [Parameter(Mandatory = $false)]
+    $CurrentUser = ((get-ciminstance win32_computersystem | ForEach-Object username) -split '\\')[1]
+)
+
+$initialURL = "https://learn.microsoft.com/en-us/microsoftteams/new-teams-bulk-install-client"
+# Download the HTML content
+$html = (New-Object System.Net.WebClient).DownloadString("$initialURL")
+	
+# Split the content on ">" and "<" characters to extract the text content
+$text = $html.Split([char[]]@(">", "<"), [StringSplitOptions]::RemoveEmptyEntries)
+	
+# Sort the start and end index of the page
+$startIndex = $text.IndexOf("Option 1A: Download and install new Teams for a single computer")
+$endIndex = $text.IndexOf("Option 1B: Download and install new Teams using an offline installer")
+	
+# Extract the rows
+$rows = $text[$startIndex..$endIndex]
+
+# Filter out only the rows containing version numbers
+$Sort = $rows | Where-Object { $_ -match "https" }
+$Split = $Sort.split() | Select-Object -First 2 | Select-Object -Last 1 
+$DownloadURL = $Split.Substring(5) -replace '"', ""
+
+#Region Functions
+
+Function Uninstall-Teams {
+    Stop-Process -name *teams* -Force -ErrorAction SilentlyContinue -Verbose
+    Start-Sleep 10
+    $Uninstall = Get-WmiObject Win32_Product -filter "name like 'Teams%'" | ForEach-Object { $_.Uninstall() }
+    $Value = $Uninstall | Select-Object -ExpandProperty ReturnValue
+    
+    If ($Value -eq "0") {
+        Write-Host "$App_Name uninstalled successfully, proceeding to deleting user's appdata folders"
+        DeleteTeamsFolder
+    }
+    else {
+        Uninstall-Teams2
+    }
+}
+
+Function Uninstall-Teams2 {
+    $UninstallPath = $Applist | Select-Object -ExpandProperty PSPath
+    $B = $UninstallPath -replace "Microsoft.PowerShell.Core", ""
+    $C = $B.Substring(1)
+    Remove-Item -Path $C -Force -Verbose
+    Start-Sleep 5
+    If ($Applist.DisplayName -like "*$App_Name*") {
+        Write-Host "Failed to uninstall $App_Name, exiting script"
+    }
+    Else {
+        Write-Host "$App_Name uninstalled successfully, proceeding to deleting user's appdata folders"
+        DeleteTeamsFolder
+    }
+
+}
+
+Function DeleteTeamsFolder {
+    Get-AppxPackage -name *Teams* -AllUsers | Select-Object -ExpandProperty PackageFullName | Remove-AppxPackage -AllUsers -ErrorAction SilentlyContinue -Verbose
+    $users = Get-ChildItem C:\Users
+    foreach ($user in $users) {
+        $path = "C:\Users\$($user.Name)\AppData\Local\Microsoft\Teams"
+        If (Test-Path $path) {
+            Remove-Item $path -Force -Recurse
+            Write-Output "$user Team's Appdata folder has been deleted, proceeding to install Teams"
+        } 
+    }
+    Test-Probe_Online
+    Install-App
+}
+
+#Check to see if program is installed
+Function CheckforClassicTeams {
+    $users = Get-ChildItem C:\Users
+    foreach ($user in $users) {
+        $Path = Test-Path "C:\Users\$($user.Name)\AppData\Local\Microsoft\Teams\current\Teams.exe"
+        If ($Path -eq $true) {
+            Stop-Process -name *teams* -Force -ErrorAction SilentlyContinue -Verbose
+            Start-Sleep 10
+            Write-Host "Teams Classic is installed for $user, proceeding with deleting user appdata folder"
+            DeleteTeamsFolder
+        }
+        Else {
+            Write-Host "Teams is not installed for $user, exiting script"
+        }
+    }
+}
+
+#Region Script Start
+If ((Test-Path "C:\Temp\Script Cache") -eq $False) { New-Item -ItemType directory -Path "C:\Temp\Script Cache" }
+Invoke-WebRequest -UseBasicParsing "https://scripts.gabesville.com/Gabesville/Powershell-Scripts/raw/branch/main/Functions%20Scripts/Functions.ps1" -outfile "C:\Temp\Script Cache\Functions.ps1"
+. "C:\Temp\Script Cache\Functions.ps1"
+
+#Check if Teams Machine-Wide Installer is installed
+$App_Name = "Teams Machine-Wide Installer"
+$Applist = Get-Software | Where-Object { $_.DisplayName -like "*$App_Name*" }
+
+If ($Applist.DisplayName -like "*$App_Name*") {
+    Write-Host "$App_Name is already installed, proceeding with uninstall"
+    Close-App
+    Uninstall-Teams
+}
+Else {
+    Write-Host "$App_Name is not installed, proceeding to check under user's appdata folder for Classic Teams"
+    CheckforClassicTeams
+}
+
+#Region Script End
\ No newline at end of file