Download some cute icons I found on the interwebs

Get-CuteIconsFromInterwebs.ps1

Set-Location (Split-Path -Path $MyInvocation.MyCommand.Definition -Parent)

$IconDownloadTemplate = 'https://img.icons8.com/windows/2x/{colour}/{thing}.png'

$IconSaveTemplate = 'icons/{thing}.{colour-name}.png'
$WantedIcons = @'
    https://img.icons8.com/windows/2x/{colour}/server
    https://img.icons8.com/windows/2x/{colour}/windows-client
    https://img.icons8.com/windows/2x/{colour}/linux-client
    https://img.icons8.com/windows/2x/{colour}/mac-client
    https://img.icons8.com/windows/2x/{colour}/thin-client
    https://img.icons8.com/windows/2x/{colour}/router
    https://img.icons8.com/windows/2x/{colour}/wifi-router
    https://img.icons8.com/windows/2x/{colour}/server
    https://img.icons8.com/windows/2x/{colour}/switch
    https://img.icons8.com/windows/2x/{colour}/voip-gateway
    https://img.icons8.com/windows/2x/{colour}/nas
    https://img.icons8.com/windows/2x/{colour}/high-connection
    https://img.icons8.com/windows/2x/{colour}/phone
    https://img.icons8.com/windows/2x/{colour}/firewall
    https://img.icons8.com/windows/2x/{colour}/workstation
    https://img.icons8.com/ios/2x/{colour}/multifunction-printer
'@ -split '\s+' | Where-Object { $_ }

$WantedColours = @{
    green = '006600'
    grey = '888888'
}

$WebClient = New-Object System.Net.WebClient

Function SubTpl {
    Param($str, $subs)
    $subs.GetEnumerator() | ForEach-Object {
        $str = $str.Replace('{{{0}}}' -f $_.Name, $_.Value)
    }
    $str
}


Foreach($colour in $WantedColours.GetEnumerator()) {
    Foreach($url_tpl in $WantedIcons) {
        $ctx = @{
            'thing' = (Split-Path -Leaf $url_tpl)
            'colour-name' = $colour.Name
            'colour' = $colour.Value
        }
        $url = SubTpl $IconDownloadTemplate $ctx
        $dest = SubTpl "icons/{thing}.{colour-name}.png" $ctx

        If(-Not (Test-Path $dest)) {
            New-Item -ItemType Directory -Name $(Split-Path -Parent $dest) -Force | Out-Null
            Write-Verbose -Verbose "Downloading $url"
            Get-Item $dest -ErrorAction SilentlyContinue | Remove-Item
            Invoke-WebRequest -Verbose  -Uri $url -OutFile $dest
        }
    }
}