Send re-authentication notification emails

src/newsreader/conf/base.py

@@ -193,7 +193,8 @@ STATICFILES_FINDERS = [
     "django.contrib.staticfiles.finders.AppDirectoriesFinder",
 ]
 
-DEFAULT_FROM_EMAIL = "newsreader@rss.fudiggity.nl"
+# Email
+EMAIL_BACKEND = "django.core.mail.backends.console.EmailBackend"
 
 # Project settings
 VERSION = get_current_version()

src/newsreader/conf/production.py

@@ -45,6 +45,19 @@ TEMPLATES = [
     }
 ]
 
+# Email
+EMAIL_BACKEND = "django.core.mail.backends.smtp.EmailBackend"
+DEFAULT_FROM_EMAIL = os.environ.get("EMAIL_DEFAULT_FROM", "webmaster@localhost")
+
+EMAIL_HOST = os.environ.get("EMAIL_HOST", "localhost")
+EMAIL_PORT = os.environ.get("EMAIL_PORT", 25)
+
+EMAIL_HOST_USER = os.environ.get("EMAIL_HOST_USER", "")
+EMAIL_HOST_PASSWORD = os.environ.get("EMAIL_HOST_PASSWORD", "")
+
+EMAIL_USE_TLS = os.environ.get("EMAIL_USE_TLS", False)
+EMAIL_USE_SSL = os.environ.get("EMAIL_USE_SSL", False)
+
 # Reddit integration
 REDDIT_CLIENT_ID = os.environ.get("REDDIT_CLIENT_ID", "")
 REDDIT_CLIENT_SECRET = os.environ.get("REDDIT_CLIENT_SECRET", "")

src/newsreader/news/collection/tasks.py

@@ -1,5 +1,7 @@
 from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist
+from django.core.mail import send_mail
+from django.utils.translation import ugettext as _
 
 import requests
 
@@ -106,6 +108,16 @@ class RedditTokenTask(app.Task):
 
             user.reddit_refresh_token = None
             user.save()
+
+            message = _(
+                "Your Reddit account credentials have expired. Re-authenticate in"
+                " the settings page to keep retrieving Reddit specific information"
+                " from your account."
+            )
+
+            send_mail(
+                "Reddit account needs re-authentication", message, None, [user.email]
+            )
             return
 
         response_data = response.json()

src/newsreader/news/collection/twitter.py

@@ -5,8 +5,10 @@ from datetime import datetime
 from json import JSONDecodeError
 
 from django.conf import settings
+from django.core.mail import send_mail
 from django.utils import timezone
 from django.utils.html import format_html, urlize
+from django.utils.translation import ugettext as _
 
 import pytz
 
@@ -240,6 +242,19 @@ class TwitterClient(PostClient):
                     stream.rule.user.twitter_oauth_token_secret = None
                     stream.rule.user.save()
 
+                    message = _(
+                        "Your Twitter account credentials have expired. Re-authenticate in"
+                        " the settings page to keep retrieving Twitter specific information"
+                        " from your account."
+                    )
+
+                    send_mail(
+                        "Twitter account needs re-authentication",
+                        message,
+                        None,
+                        [stream.rule.user.email],
+                    )
+
                     self.set_rule_error(stream.rule, e)
 
                     break