Add list-coffee-prices.ps1

Scripts/list-coffee-prices.ps1

@@ -0,0 +1,54 @@
+<#
+.SYNOPSIS
+	List coffee prices
+.DESCRIPTION
+	This PowerShell script queries cryptocompare.com and lists the current crypto exchange rates in USD/EUR/RUB/CNY.
+.EXAMPLE
+	PS> ./list-crypto-rates
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+function WriteBar { param([string]$Text, [float]$Value, [float]$Max)
+	Write-Host "$Text " -noNewline
+	$Num = ($Value * 100.0) / $Max
+	while ($Num -ge 1.0) {
+		write-host -noNewLine "█"
+		$Num -= 1.0
+	}
+	if ($Num -ge 0.875) {
+		write-host -noNewLine "▉"
+	} elseif ($Num -ge 0.75) {
+		write-host -noNewLine "▊"
+	} elseif ($Num -ge 0.625) {
+		write-host -noNewLine "▋"
+	} elseif ($Num -ge 0.5) {
+		write-host -noNewLine "▌"
+	} elseif ($Num -ge 0.375) {
+		write-host -noNewLine "▍"
+	} elseif ($Num -ge 0.25) {
+		write-host -noNewLine "▎"
+	} elseif ($Num -ge 0.125) {
+		write-host -noNewLine "▏"
+	}
+	Write-Host " $Value"
+}
+
+try {
+	$prices = (Invoke-WebRequest -URI "https://www.alphavantage.co/query?function=COFFEE&interval=monthly&apikey=demo" -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json
+	""
+	"$($prices.name) (by alphavantage.co, in $($prices.unit))"
+	"---------------------------------------------------------------"
+	foreach($item in $prices.data) {
+		if ($Item.value -eq ".") { continue }
+		[string]$date = $item.date
+		[int]$value = $Item.value
+		WriteBar $date $value 300.0
+	}
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}