PowerShell/scripts/list-nina-warnings.ps1

<#
.SYNOPSIS
	Lists the current NINA warnings
.DESCRIPTION
	This PowerShell script queries the current NINA warnings and lists it.
.EXAMPLE
	PS> ./list-nina-warnings.ps1

	⚠️ Official SEVERE WEATHER WARNING of SEVERE THUNDERSTORMS with VERY HEAVY RAIN and HAIL
	   🕘 2024-06-26T07:53:00+02:00 ... 2024-06-26T08:45:00+02:00 (by DWD, Update, Severe, Immediate)
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

function ListWarningsOf([string]$source, [string]$URL)
{
	Write-Progress "Loading NINA - $source warnings..."
	$warnings = (Invoke-WebRequest -URI $URL -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json
	Write-Progress -completed "Done."

	foreach($warning in $warnings) {
		$title = $warning.i18nTitle.en
		if ("$title" -eq "") { $title = $warning.i18nTitle.de }
		$startDate = $warning.startDate
		$expiresDate = $warning.expiresDate
		$severity = $warning.severity
		$urgency = $warning.urgency
		$type = $warning.type
		Write-Output "⚠️ $title"
		Write-Output "  🕘 $($startDate)...$expiresDate (by $source, $type, $severity, $urgency)"
		Write-Output ""
	}
}

try {
	Write-Output ""
	ListWarningsOf "Katwarn" "https://warnung.bund.de/api31/katwarn/mapData.json"
	ListWarningsOf "DWD"     "https://warnung.bund.de/api31/dwd/mapData.json"
	ListWarningsOf "Police"  "https://warnung.bund.de/api31/police/mapData.json"
	ListWarningsOf "LHP"     "https://warnung.bund.de/api31/lhp/mapData.json"
	ListWarningsOf "Biwapp"  "https://warnung.bund.de/api31/biwapp/mapData.json"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}