Remind user that their manual sub is ending soon.

app/models.py

@@ -755,6 +755,8 @@ class ManualSubscription(db.Model, ModelMixin):
     # for storing note about this subscription
     comment = db.Column(db.Text, nullable=True)
 
+    user = db.relationship(User)
+
 
 class DeletedAlias(db.Model, ModelMixin):
     """Store all deleted alias to make sure they are NOT reused"""

cron.py

@@ -3,7 +3,7 @@ import argparse
 import arrow
 
 from app.config import IGNORED_EMAILS, ADMIN_EMAIL
-from app.email_utils import send_email, send_trial_end_soon_email
+from app.email_utils import send_email, send_trial_end_soon_email, render
 from app.extensions import db
 from app.log import LOG
 from app.models import (
@@ -14,6 +14,7 @@ from app.models import (
     ForwardEmail,
     CustomDomain,
     Client,
+    ManualSubscription,
 )
 from server import create_app
 
@@ -29,6 +30,35 @@ def notify_trial_end():
             send_trial_end_soon_email(user)
 
 
+def notify_manual_sub_end():
+    for manual_sub in ManualSubscription.query.all():
+        need_reminder = False
+        if arrow.now().shift(days=14) > manual_sub.end_at > arrow.now().shift(days=13):
+            need_reminder = True
+        elif arrow.now().shift(days=4) > manual_sub.end_at > arrow.now().shift(days=3):
+            need_reminder = True
+
+        if need_reminder:
+            user = manual_sub.user
+            LOG.debug("Remind user %s that their manual sub is ending soon", user)
+            send_email(
+                user.email,
+                f"Your trial will end soon {user.name}",
+                render(
+                    "transactional/manual-subscription-end.txt",
+                    name=user.name,
+                    user=user,
+                    manual_sub=manual_sub,
+                ),
+                render(
+                    "transactional/manual-subscription-end.html",
+                    name=user.name,
+                    user=user,
+                    manual_sub=manual_sub,
+                ),
+            )
+
+
 def stats():
     """send admin stats everyday"""
     if not ADMIN_EMAIL:
@@ -118,7 +148,7 @@ if __name__ == "__main__":
         "--job",
         help="Choose a cron job to run",
         type=str,
-        choices=["stats", "notify_trial_end",],
+        choices=["stats", "notify_trial_end", "notify_manual_subscription_end"],
     )
     args = parser.parse_args()
 
@@ -131,3 +161,6 @@ if __name__ == "__main__":
         elif args.job == "notify_trial_end":
             LOG.d("Notify users with trial ending soon")
             notify_trial_end()
+        elif args.job == "notify_manual_subscription_end":
+            LOG.d("Notify users with manual subscription ending soon")
+            notify_manual_sub_end()

crontab.yml

@@ -10,3 +10,9 @@ jobs:
     shell: /bin/bash
     schedule: "0 8 * * *"
     captureStderr: true
+
+  - name: SimpleLogin Notify Manual Subscription Ends
+    command: python /code/cron.py -j notify_manual_subscription_end
+    shell: /bin/bash
+    schedule: "0 9 * * *"
+    captureStderr: true

templates/emails/transactional/manual-subscription-end.html

@@ -0,0 +1,26 @@
+{% extends "base.html" %}
+
+{% block content %}
+  {% if name %}
+    {{ render_text("Hi " + name + ",") }}
+  {% else %}
+    {{ render_text("Hi,") }}
+  {% endif %}
+
+  {{ render_text("Your subscription will end " + manual_sub.end_at.humanize() + ".") }}
+
+  {{ render_text("When the subscription ends:") }}
+
+  {{ render_text("- All aliases/domains/directories you have created are <b>kept</b> and continue working normally.") }}
+  {{ render_text("- You cannot create new aliases if you exceed the free plan limit, i.e. have more than 5 aliases.") }}
+  {{ render_text("- As features like <b>catch-all</b> or <b>directory</b> allow you to create aliases on-the-fly, those aliases cannot be automatically created if you have more than 5 aliases.") }}
+  {{ render_text("- You cannot add new domain or directory.") }}
+
+  {{ render_text('You can upgrade today to continue using all these Premium features (and much more coming).') }}
+
+  {{ render_text('Thanks, <br />SimpleLogin Team.') }}
+  {{ render_text('P.S. If you have any questions or need any help, please don\'t hesitate to reach out. You can simply reply to this email or reach us via Twitter/Github.') }}
+
+
+{% endblock %}
+

templates/emails/transactional/manual-subscription-end.txt

@@ -0,0 +1,15 @@
+Hi {{name}}
+
+Your subscription will end {{ manual_sub.end_at.humanize() }}.
+
+When the subscription ends:
+
+- All aliases/domains/directories you have created are kept and continue working.
+- You cannot create new aliases if you exceed the free plan limit, i.e. have more than 5 aliases.
+- As features like "catch-all" or "directory" allow you to create aliases on-the-fly, those aliases cannot be automatically created if you have more than 5 aliases.
+- You cannot add new domain or directory.
+
+You can upgrade today to continue using all these Premium features (and much more coming).
+
+Best,
+Son - SimpleLogin founder.