Fixed message formatting for courtesy pipeline notifications (microsoft#14260)

* Fixed message for courtesy push notification

* Check week before sending notification

* Remove extra condition

* Better readability

* Turn off notifications for manual runs

Author: EzzhevNikita

azure-pipelines.yml

@@ -66,15 +66,17 @@ jobs:
     (
       in(dependencies.courtesy_push_windows.result, 'Failed', 'Skipped'),
       eq(variables['COURTESY_PUSH'], 'true'),
-      in(variables['build.reason'], 'Schedule', 'Manual'),
+      eq(variables['build.reason'], 'Schedule'),
       eq(variables['COURTESY_PUSH_NOTIFICATION'], 'true')
     )
   pool:
     vmImage: vs2017-win2016
   steps:
   - powershell: |
       # Notify slack channel about failed courtesy push PR creation
-      $body = '{"text": "Failed to create courtesy push PR. Please review the results of failed build: $env:SYSTEM_TEAMFOUNDATIONCOLLECTIONURI/$env:SYSTEM_TEAMPROJECT/_build/results?buildId=$env:BUILD_BUILDID&_a=summary"}'
+      $pipelineLink = "$env:SYSTEM_TEAMFOUNDATIONCOLLECTIONURI$env:SYSTEM_TEAMPROJECT/_build/results?buildId=$env:BUILD_BUILDID&_a=summary" 
+      $messageText = "Failed to create courtesy push PR. Please review the results of failed build: $($pipelineLink) "
+      $body = '{"text": "'+$($messageText)+'"}'
       Invoke-RestMethod -Uri $(slackUri) -Method Post -Body $body -ContentType 'application/json'
     displayName: 'Send notification to the slack channel'