Opt-out

[wolnelektury.git] / src / messaging / models.py

diff --git a/src/messaging/models.py b/src/messaging/models.py
index 4705b97..24cf623 100644 (file)
--- a/src/messaging/models.py
+++ b/src/messaging/models.py
@@ -1,9 +1,13 @@
+from django.apps import apps
 from django.conf import settings
 from django.core.mail import send_mail
 from django.db import models
 from django.template import Template, Context
+from django.urls import reverse
 from django.utils.translation import ugettext_lazy as _
 from sentry_sdk import capture_exception
+from catalogue.utils import get_random_hash
+from .recipient import Recipient
 from .states import states
 
 
@@ -31,7 +35,7 @@ class EmailTemplate(models.Model):
         verbose_name_plural = _('email templates')
 
     def __str__(self):
-        return '%s (%+d)' % (self.get_state_display(), self.min_days_since)
+        return '%s (%+d)' % (self.get_state_display(), self.min_days_since or 0)
 
     def run(self, time=None, verbose=False, dry_run=False):
         state = self.get_state()
@@ -51,9 +55,25 @@ class EmailTemplate(models.Model):
                 return s
         raise ValueError('Unknown state', s.state)
 
-    def send(self, recipient, verbose=False, dry_run=False):
-        subject = Template(self.subject).render(Context(recipient.context))
-        body = Template(self.body).render(Context(recipient.context))
+    def send(self, recipient, verbose=False, dry_run=False, test=False):
+        ctx = Context(recipient.context)
+
+        if test:
+            contact = Contact(email=recipient.email, key='test')
+        else:
+            # TODO: actually, we should just use Contacts instead of recipients.
+            contact = Contact.objects.get(email=recipient.email)
+
+        ctx['contact'] = contact
+
+        subject = Template(self.subject).render(ctx)
+
+        if test:
+            subject = "[test] " + subject
+
+        body_template = '{% extends "messaging/email_body.html" %}{% block body %}' + self.body + '{% endblock %}'
+
+        body = Template(body_template).render(ctx)
         if verbose:
             print(recipient.email, subject)
         if not dry_run:
@@ -62,12 +82,18 @@ class EmailTemplate(models.Model):
             except:
                 capture_exception()
             else:
-                self.emailsent_set.create(
-                    hash_value=recipient.hash_value,
-                    email=recipient.email,
-                    subject=subject,
-                    body=body,
-                )
+                if not test:
+                    self.emailsent_set.create(
+                        hash_value=recipient.hash_value,
+                        email=recipient.email,
+                        subject=subject,
+                        body=body,
+                    )
+
+    def send_test_email(self, email):
+        state = self.get_state()()
+        recipient = state.get_example_recipient(email)
+        self.send(recipient, test=True)
 
 
 class EmailSent(models.Model):
@@ -105,6 +131,15 @@ class Contact(models.Model):
         ])
     since = models.DateTimeField()
     expires_at = models.DateTimeField(null=True, blank=True)
+    key = models.CharField(max_length=64, blank=True)
+
+    def save(self, *args, **kwargs):
+        if not self.key:
+            self.key = get_random_hash(self.email)
+        super().save(*args, **kwargs)
+
+    def get_optout_url(self):
+        return reverse('messaging_optout', args=[self.key])
 
     @classmethod
     def update(cls, email, level, since, expires_at=None):