move to the get-new-tool-versions folder

get-new-tool-versions/helpers.psm1

@@ -70,4 +70,43 @@ function Skip-ExistingVersions {
     )
 
     return $VersionsFromDist | Where-Object { $VersionsFromManifest -notcontains $_ }
+}
+
+<#
+.SYNOPSIS
+Sending messages using Incoming Webhooks
+https://api.slack.com/messaging/webhooks
+#>
+
+function Send-SlackPostMessageIncomingWebHook
+{
+    param(
+        [Parameter(Mandatory)]
+        [ValidateNotNullOrEmpty()]
+        [System.Uri]$Uri,
+
+        [Parameter(Mandatory)]
+        [ValidateNotNullOrEmpty()]
+        [System.Object]$Body
+    )
+
+    try
+    {
+        $response = Invoke-RestMethod -Uri $uri -Method POST -Body $body -ErrorAction Stop
+        if ($response -eq 'ok')
+        {
+            return $response
+        }
+        else
+        {
+            Write-Host "##vso[task.LogIssue type=error;] Something went wrong. Response is '$response'"
+        }
+    }
+    catch
+    {
+        Write-Host "##vso[task.LogIssue type=error;] Slack send post message failed: '$_'"
+    }
+
+    Write-Host "##vso[task.complete result=Failed;]"
+    exit 1
 }