feat: slack bot setup (#545)

apiserver/plane/bgtasks/workspace_invitation_task.py

@@ -2,10 +2,13 @@
 from django.core.mail import EmailMultiAlternatives
 from django.template.loader import render_to_string
 from django.utils.html import strip_tags
+from django.conf import settings
 
 # Third party imports
 from django_rq import job
 from sentry_sdk import capture_exception
+from slack_sdk import WebClient
+from slack_sdk.errors import SlackApiError
 
 # Module imports
 from plane.db.models import Workspace, User, WorkspaceMemberInvite
@@ -13,9 +16,7 @@ from plane.db.models import Workspace, User, WorkspaceMemberInvite
 
 @job("default")
 def workspace_invitation(email, workspace_id, token, current_site, invitor):
-
     try:
-
         workspace = Workspace.objects.get(pk=workspace_id)
         workspace_member_invite = WorkspaceMemberInvite.objects.get(
             token=token, email=email
@@ -49,6 +50,18 @@ def workspace_invitation(email, workspace_id, token, current_site, invitor):
         msg = EmailMultiAlternatives(subject, text_content, from_email_string, [email])
         msg.attach_alternative(html_content, "text/html")
         msg.send()
+
+        # Send message on slack as well
+        if settings.SLACK_BOT_TOKEN:
+            client = WebClient(token=settings.SLACK_BOT_TOKEN)
+            try:
+                _ = client.chat_postMessage(
+                    channel="#trackers",
+                    text=f"{workspace_member_invite.email} has been invited to {workspace.name} as a {workspace_member_invite.role}",
+                )
+            except SlackApiError as e:
+                print(f"Got an error: {e.response['error']}")
+
         return
     except (Workspace.DoesNotExist, WorkspaceMemberInvite.DoesNotExist) as e:
         return