Get-WingetAppFromWinget-pkgs.ps1

function Get-WingetAppFromWinget-pkgs {
    param (
        [Parameter(Mandatory=$true)]
        [string]$AppName,

        [string]$Version
    )
    $Publisher = $appname -split "\." | Select-Object -First 1
    $PackageName = ($appname -split "\.")[1..($appname.Length - 1)] -join "/"
    $PublisherFirst = $($Publisher.Substring(0, 1)).ToLower()

    If (!($version))
    {  
        $DirUrl = "https://api.github.com/repositories/197275551/contents/manifests/$($PublisherFirst)/$( $Publisher)/$($PackageName)"
        $location = New-TemporaryFile
        Invoke-WebRequest -Uri $DirUrl -OutFile $location
        $jsonData = Get-Content -Raw -Path $location | ConvertFrom-Json
        #take the version, exclude Skip Versions
        $SkipVersions =@("Alpha","Beta","alpha","beta","Canary","CLI","Dev","Insiders","Preview",".validation")
        $Version =$jsondata.name | Where-Object {$SkipVersions -notcontains $_} | Sort-Object { [System.Version]$_ }-Descending | Select-Object -first 1
    }   

    $DirUrl = "https://api.github.com/repositories/197275551/contents/manifests/$($PublisherFirst)/$( $Publisher)/$($PackageName)/$($Version)"
    $location = New-TemporaryFile
    Invoke-WebRequest -Uri $DirUrl -OutFile $location
    $jsonData = Get-Content -Raw -Path $location | ConvertFrom-Json
    
    #Download the files in the Github Winget Manifest folder
    Foreach ($file in $jsondata)
        {
            "    File : $($file.name)"
            "    Path : $($file.path)"
            "     url : $($file.download_url)"
            "     Sha : $($file.sha)"

            $ManifestFolder = ".\$($file.path | split-path)"
            if (!(Test-Path $ManifestFolder)) {New-Item -Path $ManifestFolder -ItemType "Directory"}
            Invoke-WebRequest -Uri $($file.download_url) -OutFile "./$($file.path)"
        }

    #Download the supporting files
    $Files = $jsonData | Where-Object { $_.Name -like "*Installer*" }
    Foreach ($file in $Files)
    {
        $yamlContent = Get-Content -Path "./$($file.path)" -Raw
        $parsedData = ConvertFrom-Yaml -Yaml $yamlContent
        $InstallerUrls = $parseddata.Installers.InstallerUrl
        Foreach ($Installer in $parseddata.Installers)
            {
                $DestinationFile = "$($ManifestFolder)\$($Installer.InstallerUrl | Split-Path -Leaf)"
                If (!(Test-Path "$($DestinationFile).SKIP")){
                    If (!(Test-Path $DestinationFile)) {
                        "Downloading $DestinationFile"
                        Invoke-WebRequest -Uri $Installer.InstallerUrl -OutFile $DestinationFile
                    }
                    $calculatedHash = Get-FileHash -Path $DestinationFile -Algorithm SHA256
                    if ($calculatedHash.Hash -eq $Installer.InstallerSha256) {
                        "$($DestinationFile) hash matches. The file integrity is verified."
                    } else {
                        "$($DestinationFile) hash does not match. The file may be corrupted."
                    }
                }
            }
    }    
}