Add slack integration for job board (chicagopython#420)

* adds slack integration for job board

* adds logging for failed job posting

* removes print statment

* updates template and adds weekdays parameter to command

* updates to django 2.2.24 for security issue

* adds @ray's feedback

* updates template to shorten description and add url for each post

* refactors slack webhook code into a utility

* refactors slack webhook code into a utility

Co-authored-by: Aaron Elmquist <[email protected]>

Author: elmq0022

chipy_org/apps/job_board/management/commands/post_approved_jobs_to_slack.py

@@ -1,13 +1,15 @@
 import datetime
-import json
+
+
 import logging
 
 import requests
 from django.conf import settings
-from django.core.management.base import BaseCommand, CommandError
+from django.core.management.base import BaseCommand
 from django.template import loader
 
 from chipy_org.apps.job_board.models import JobPost
+from chipy_org.libs.slack_utils import post_message_to_slack
 
 logger = logging.getLogger(__name__)
 
@@ -39,18 +41,12 @@ def handle(self, *args, **options):
             context = {"posts": posts}
             template = loader.get_template("job_board/slack_template.txt")
             msg = template.render(context)
-
             job_post_key = settings.JOB_POST_KEY
-            webhook_url = f"https://hooks.slack.com/services/{job_post_key}"
-            slack_data = {"text": msg}
-
-            response = requests.post(
-                webhook_url,
-                data=json.dumps(slack_data),
-                headers={"Content-Type": "application/json"},
-            )
-
-            if response.status_code != 200:
-                raise CommandError(
-                    f"Failed to post to slack job channel - status code: {response.status_code}."
+
+            try:
+                post_message_to_slack(
+                    channel_key=job_post_key, channel_name="job board", message=msg
                 )
+            except requests.HTTPError as error:
+                logger.error(error)
+                print(error)

chipy_org/apps/job_board/templates/job_board/slack_template.txt

@@ -1,11 +1,9 @@
 There {{ posts.count|pluralize:"is,are" }} currently *{{ posts.count }}* job{{ posts.count|pluralize }} on the Chipy job board.
 
 {% for post in posts %}
-*{{ post.company_name }}* posted a *{{ post.position }}* opportunity.
-
-*Description*:
-{{ post.description }}
-
+*Company*: {{ post.company_name }} 
+*Position*: {{ post.position }}
+*Description*: {{ post.description | truncatewords:25 }}
+*Link*: https://www.chipy.org{% url 'job-post-detail' pk=post.pk %}
 {% endfor %}
-
 See all the open job posts on https://www.chipy.org/job-board/

chipy_org/libs/slack_utils.py

@@ -0,0 +1,28 @@
+import json
+
+import requests
+
+
+def post_message_to_slack(channel_key: str, channel_name: str, message: str):
+    """
+    This function is used to post messages from chipy.org to the chipy slack
+    channel_key: secret key for slack channel
+    channel_name: human readable description of the slack channel
+    message: string formatted text to post to the slack channel
+    """
+
+    webhook_url = f"https://hooks.slack.com/services/{channel_key}"
+    slack_data = {"text": message}
+
+    response = requests.post(
+        webhook_url,
+        data=json.dumps(slack_data),
+        headers={"Content-Type": "application/json"},
+        allow_redirects=False,
+    )
+
+    if response.status_code != 200:
+        raise requests.HTTPError(
+            f"Failed to post message '{message[:25]}...' to slack channel '{channel_name}'. \
+                Status code {response.status_code} != 200."
+        )