unsubscribe to unread notifs email

app/templates/email/unread_notifications.html

@@ -15,5 +15,4 @@
 {% endfor %}
 </ul>
 {% endif %}
-<p><small><a href="{{ url_for('user.change_settings', _external=True) }}">Unsubscribe from these emails</a> by un-ticking the 'Receive email
-    about missed notifications' checkbox.</small></p>
+<p><small><a href="{{ url_for('user.user_email_notifs_unsubscribe', user_id=user.id, token=user.verification_token, _external=True) }}">Unsubscribe from these emails</a></small></p>

app/templates/email/unread_notifications.txt

@@ -5,4 +5,4 @@ Here's some notifications you've missed since your last visit:
     - {{ notification.title }} - {{ url_for('user.notification_goto', notification_id=notification.id, _external=True) }}
     {% endfor %}
 
-Unsubscribe from these emails</a> by un-ticking the 'Receive email about missed notifications' checkbox at {{ url_for('user.change_settings', _external=True) }}.
+Unsubscribe from these emails at {{ url_for('user.user_email_notifs_unsubscribe', user_id=user.id, token=user.verification_token, _external=True) }}.

app/templates/user/email_notifs_unsubscribed.html

@@ -0,0 +1,17 @@
+{% extends 'base.html' %}
+{% from 'bootstrap/form.html' import render_form %}
+
+{% block app_content %}
+    <div class="row">
+        <div class="col col-login mx-auto">
+            <div class="card mt-5">
+                <div class="card-body p-6">
+                    <div class="card-title text-center">{{ _('Unsubscribed') }}</div>
+                    <p>{{ _('You have unsubscribed from emails about unread notifications. We might email you for other reasons, though.') }}</p>
+                    <p><a href="{{ url_for('user.change_settings') }}">{{ _('More email settings') }}</a></p>
+                </div>
+            </div>
+        </div>
+    </div>
+
+{% endblock %}

app/user/routes.py

@@ -701,3 +701,12 @@ def user_newsletter_unsubscribe(user_id, token):
         user.newsletter = False
         db.session.commit()
     return render_template('user/newsletter_unsubscribed.html')
+
+
+@bp.route('/user/email_notifs/<int:user_id>/<token>/unsubscribe', methods=['GET', 'POST'])
+def user_email_notifs_unsubscribe(user_id, token):
+    user = User.query.filter(User.id == user_id, User.verification_token == token).first()
+    if user:
+        user.email_unread = False
+        db.session.commit()
+    return render_template('user/email_notifs_unsubscribed.html')