Opt-out
[wolnelektury.git] / src / messaging / models.py
index c40abbb..24cf623 100644 (file)
@@ -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
 
 
@@ -11,8 +15,19 @@ class EmailTemplate(models.Model):
     state = models.CharField(_('state'), max_length=128, choices=[(s.slug, s.name) for s in states], help_text='?')
     subject = models.CharField(_('subject'), max_length=1024)
     body = models.TextField(_('body'))
-    days = models.SmallIntegerField(_('days'), null=True, blank=True)
-    hour = models.IntegerField(_('hour'), null=True, blank=True)
+    min_days_since = models.SmallIntegerField(_('min days since'), null=True, blank=True)
+    max_days_since = models.SmallIntegerField(_('max days since'), null=True, blank=True)
+    min_hour = models.PositiveSmallIntegerField(_('min hour'), null=True, blank=True)
+    max_hour = models.PositiveSmallIntegerField(_('max hour'), null=True, blank=True)
+    min_day_of_month = models.PositiveSmallIntegerField(_('min day of month'), null=True, blank=True)
+    max_day_of_month = models.PositiveSmallIntegerField(_('max day of month'), null=True, blank=True)
+    dow_1 = models.BooleanField(_('Monday'), default=True)
+    dow_2 = models.BooleanField(_('Tuesday'), default=True)
+    dow_3 = models.BooleanField(_('Wednesday'), default=True)
+    dow_4 = models.BooleanField(_('Thursday'), default=True)
+    dow_5 = models.BooleanField(_('Friday'), default=True)
+    dow_6 = models.BooleanField(_('Saturday'), default=True)
+    dow_7 = models.BooleanField(_('Sunday'), default=True)
     is_active = models.BooleanField(_('active'), default=False)
 
     class Meta:
@@ -20,8 +35,7 @@ class EmailTemplate(models.Model):
         verbose_name_plural = _('email templates')
 
     def __str__(self):
-        return '%s (%+d)' % (self.get_state_display(), self.days)
-        return self.subject
+        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()
@@ -41,9 +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:
@@ -52,13 +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):
@@ -76,3 +111,59 @@ class EmailSent(models.Model):
 
     def __str__(self):
         return '%s %s' % (self.email, self.timestamp)
+
+
+class Contact(models.Model):
+    COLD = 10
+    TRIED = 20
+    SINGLE = 30
+    RECURRING = 40
+    OPT_OUT = 50
+
+    email = models.EmailField(unique=True)
+    level = models.PositiveSmallIntegerField(
+        choices=[
+            (TRIED, _('Would-be donor')),
+            (SINGLE, _('One-time donor')),
+            (RECURRING, _('Recurring donor')),
+            (COLD, _('Cold')),
+            (OPT_OUT, _('Opt out')),
+        ])
+    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):
+        obj, created = cls.objects.get_or_create(email=email, defaults={
+                "level": level,
+                "since": since,
+                "expires_at": expires_at
+            })
+        if not created:
+            obj.ascend(level, since, expires_at)
+
+    def ascend(self, level, since, expires_at=None):
+        if level < self.level:
+            return
+        if level == self.level:
+            self.since = min(since, self.since)
+
+            if expires_at and self.expires_at:
+                self.expires_at = max(expires_at, self.expires_at)
+            else:
+                self.expires_at = expires_at
+        else:
+            self.level = level
+            self.since = since
+            self.expires_at = expires_at
+        self.save()
+