Get-Distance.ps1

Function Get-Distance()
{
Param(
    [Parameter(Mandatory=$true,Position=0)] $Origin,
    [Parameter(Mandatory=$true,Position=1)] $Destination,
    [Parameter(Mandatory=$true,Position=2)] [ValidateSet('driving','bicycling','walking')] $Mode,
    [Switch] $InMiles
    )
    
    $Units='metric' # Default set to Kilometers

    If($InMiles)
    {
        $Units = 'imperial'  # If Switch is selected, use 'Miles' as the Unit
    }

    
#Invoking the web URL and fetching the page content
$webpage = Invoke-WebRequest "https://maps.googleapis.com/maps/api/distancematrix/xml?origins=$origin&destinations=$destination&mode=$($mode.toLower())&units=$Units" -UseBasicParsing -ErrorVariable +err

# Capturing the XML output
$content = $webpage.Content
$FilePath = "$pwd.\distance.xml"
$content | Set-Content $FilePath -Force

# Create a XML file and parse\fetch the required data into variables.
$xml = New-Object XML
$xml.load($FilePath)

$Origin_Addr = (Select-Xml -Xml $xml -xpath '//origin_address').node.InnerText
$Destination_Addr = (Select-Xml -Xml $xml -xpath '//destination_address').node.InnerText
$Duration = (Select-Xml -Xml $xml -xpath '//row/element/duration/text').Node.InnerText
$Distance = (Select-Xml -Xml $xml -xpath '//row/element/distance/text').Node.InnerText
$Object = New-Object psobject -Property @{Origin=$Origin_Addr;Destination=$Destination_Addr;Time= $Duration;Distance= $Distance;Mode = $Mode}

# Remove the files
Remove-Item .\distance.xml

# Condition to Check 'Zero Results'
If((Select-Xml -Xml $xml -xpath '//row/element/status').Node.InnerText -eq 'ZERO_RESULTS')
{
    Write-Host "Zero Results Found :  Try changing the parameters" -fore Yellow
}
Else
{
    Return $Object |select Origin, Destination, Time, Distance, Mode
}

}