An example showing a jobs to fetch background information

I actually use the WeatherJob as part of my regular prompt during the summer
Jaykul · May 1, 2022 · 1f5eb7e · 1f5eb7e
1 parent b5b2af0
commit 1f5eb7e
Showing 1 changed file with 46 additions and 0 deletions.
diff --git a/Source/Examples/BackgroundData.ps1 b/Source/Examples/BackgroundData.ps1
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+#requires -module @{ModuleName='PowerLine';ModuleVersion='3.4.0'}
+
+Get-Job -Name WeatherQuery -EA 0| Stop-Job -PassThru | Remove-Job
+$global:WeatherJob = Start-ThreadJob -Name WeatherQuery {
+    while ($true) {
+        Invoke-RestMethod "wttr.in?format=%c%t"
+        Start-Sleep 300 # This job will update the weather every 5 minutes
+    }
+}
+
+Set-PowerLinePrompt -SetCurrentDirectory -PowerLineFont -Title {
+    -join @(
+        if (Test-Elevation) { "Admin: " }
+        "PS" + $PSVersionTable.PSVersion.Major + " "
+        Convert-Path $pwd
+    )
+} -Colors @(
+    "SteelBlue4", "DodgerBlue3", "DeepSkyBlue2", "SkyBlue2", "SteelBlue2", "LightSkyBlue1"
+) -Prompt @(
+    # Consume the output of the job:
+    # In this case, I only want the most recent output, so [-1]
+    { $WeatherJob.Output[-1] }
+    { "&Gear;" * $NestedPromptLevel }
+    { $pwd.Drive.Name }
+    { Split-Path $pwd -Leaf }
+    {
+        # In order for PSReadLine to work properly, it needs the $PromptText set to match the end of my prompt...
+        $MyInvocation.HistoryId
+
+        # Because I don't have a "Write-PowerLineBlock" I am doing all this by hand:
+        # Need to draw ">ID>" but the > each have to be FOREGROUND = the BACKGROUND of the previous block
+        # AND the color changes depending on whether nestedPrompt rendered or not
+        [string]$CS = [PoshCode.Pansies.Entities]::ExtendedCharacters["ColorSeparator"]
+        $thisBg = $NestedPromptLevel ? $bg:SteelBlue2 : $bg:SkyBlue2
+        $previousFg = $NestedPromptLevel ? $fg:SkyBlue2 : $fg:DeepSkyBlue2
+        $thisFg = $NestedPromptLevel ? $fg:SteelBlue2 : $fg:SkyBlue2
+
+        Set-PSReadlineOption -PromptText @(
+            ($thisBg + $previousFg + $CS + $fg:white + $MyInvocation.HistoryId + $thisFg + $bg:clear + $CS)
+            ($bg:Gray44 + $previousFg + $CS + $fg:white + $MyInvocation.HistoryId + $fg:Gray44 + $bg:clear + $CS)
+        )
+    }
+    { "`t" }
+    { Get-Elapsed -Trim }
+    { Get-Date -Format "T" }
+)