Merge pull request #6 from actions/al-cheb/slack-notification

Add script to send slack message notification

get-new-tool-versions/helpers.psm1

@@ -71,3 +71,42 @@ 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
+}

get-new-tool-versions/send-slack-notification.ps1

@@ -0,0 +1,63 @@
+<#
+.SYNOPSIS
+Sending messages using Incoming Webhooks
+
+.PARAMETER Url
+Required parameter. Incoming Webhook URL to post a message
+.PARAMETER ToolName
+Required parameter. The name of tool
+.PARAMETER ToolVersion
+Required parameter. Specifies the version of tool
+.PARAMETER PipelineUrl
+Required parameter. The pipeline URL
+.PARAMETER ImageUrl
+Optional parameter. The image URL
+#>
+
+param(
+    [Parameter(Mandatory)]
+    [ValidateNotNullOrEmpty()]
+    [System.Uri]$Url,
+
+    [Parameter(Mandatory)]
+    [ValidateNotNullOrEmpty()]
+    [System.String]$ToolName,
+
+    [Parameter(Mandatory)]
+    [ValidateNotNullOrEmpty()]
+    [System.String]$ToolVersion,
+
+    [Parameter(Mandatory)]
+    [ValidateNotNullOrEmpty()]
+    [System.String]$PipelineUrl,
+
+    [System.String]$ImageUrl = 'https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png'
+)
+
+# Import helpers module
+Import-Module $PSScriptRoot/helpers.psm1 -DisableNameChecking
+
+# Create JSON body
+$text = "The following versions of '$toolName' are available to upload: $toolVersion\nLink to the pipeline: $pipelineUrl"
+$jsonBodyMessage = @"
+{
+    "blocks": [
+        {
+            "type": "section",
+            "text": {
+                "type": "mrkdwn",
+                "text": "$text"
+            },
+            "accessory": {
+                "type": "image",
+                "image_url": "$imageUrl",
+                "alt_text": "$toolName"
+            }
+        }
+    ]
+}
+"@
+
+# Send Slack message
+$null = Send-SlackPostMessageIncomingWebHook -Uri $url -Body $jsonBodyMessage
+Write-Host "Message template: `n $jsonBodyMessage"