Pretty usable.
[wolnelektury.git] / src / messaging / models.py
index feb5daa..7891e0c 100644 (file)
+from datetime import timedelta
+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.timezone import now, get_current_timezone
 from django.utils.translation import ugettext_lazy as _
 from sentry_sdk import capture_exception
-from .states import states
+from catalogue.utils import get_random_hash
+from .states import Level, states
 
 
 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:
         verbose_name = _('email template')
         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)
+
+    @classmethod
+    def get_current(cls, time=None):
+        time = (time or now()).astimezone(get_current_timezone())
+        weekday = time.isoweekday()
+        qs = cls.objects.filter(is_active=True)
+        qs = qs.exclude(min_hour__gt=time.hour).exclude(max_hour__lte=time.hour)
+        qs = qs.exclude(min_day_of_month__gt=time.day).exclude(max_day_of_month__lte=time.day)
+        qs = qs.exclude(**{f'dow_{weekday}': False})
+        return qs
 
     def run(self, time=None, verbose=False, dry_run=False):
-        state = self.get_state()
-        recipients = state(time=time, offset=self.days).get_recipients()
-        hash_values = set(recipient.hash_value for recipient in recipients)
-        sent = set(EmailSent.objects.filter(
-                template=self, hash_value__in=hash_values
-            ).values_list('hash_value', flat=True))
-        for recipient in recipients:
-            if recipient.hash_value in sent:
-                continue
-            self.send(recipient, verbose=verbose, dry_run=dry_run)
-
-    def get_state(self):
+        state = self.get_state(time=time)
+        contacts = state.get_contacts()
+    
+        contacts = contacts.exclude(emailsent__template=self)
+        for contact in contacts:
+            if not contact.is_annoyed:
+                self.send(contact, verbose=verbose, dry_run=dry_run)
+
+    def get_state(self, time=None, test=False):
         for s in states:
             if s.slug == self.state:
-                return s
+                return s(
+                    time=time,
+                    min_days_since=self.min_days_since,
+                    max_days_since=self.max_days_since,
+                    test=test
+                )
         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, contact, verbose=False, dry_run=False, test=False):
+        state = self.get_state(test=test)
+        ctx = state.get_context(contact)
+        ctx['contact'] = contact
+        ctx = Context(ctx)
+
+        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)
+            print(self.pk, subject, contact.email)
         if not dry_run:
             try:
-                send_mail(subject, body, settings.CONTACT_EMAIL, [recipient.email], fail_silently=False)
+                send_mail(subject, body, settings.CONTACT_EMAIL, [contact.email], fail_silently=False)
             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(
+                        contact=contact,
+                        subject=subject,
+                        body=body,
+                    )
+
+    def send_test_email(self, email):
+        contact = Contact(
+                email=email,
+                key='test'
+            )
+        self.send(contact, test=True)
+
 
+class Contact(models.Model):
+    email = models.EmailField(unique=True)
+    level = models.PositiveSmallIntegerField(
+        choices=[
+            (Level.COLD, _('Cold')),
+            (Level.TRIED, _('Would-be donor')),
+            (Level.SINGLE, _('One-time donor')),
+            (Level.RECURRING, _('Recurring donor')),
+            (Level.MANUAL_MEMBER, _('Manually set as member')),
+            (Level.OPT_OUT, _('Opt out')),
+        ])
+    since = models.DateTimeField()
+    expires_at = models.DateTimeField(null=True, blank=True)
+    key = models.CharField(max_length=64, blank=True)
+
+    class Meta:
+        verbose_name = _('contact')
+        verbose_name_plural = _('contacts')
+
+    def save(self, *args, **kwargs):
+        if not self.key:
+            self.key = get_random_hash(self.email)
+        super().save(*args, **kwargs)
+
+    @property
+    def is_annoyed(self):
+        cutoff = now() - timedelta(settings.MESSAGING_MIN_DAYS)
+        return self.emailsent_set.filter(timestamp__gte=cutoff).exists()
+
+    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=None, expires_at=None):
+        if since is None:
+            since = now()
+        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()
+
+    @classmethod
+    def reset(cls, email):
+        cls.objects.filter(email=email).delete()
+        Schedule = apps.get_model('club', 'Schedule')
+        Membership = apps.get_model('club', 'Membership')
+        for schedule in Schedule.objects.filter(email=email):
+            schedule.update_contact()
+        for membership in Membership.objects.filter(manual=True, user__email=email):
+            membership.update_contact()
+
+    def wl_optout_url(self):
+        return 'https://wolnelektury.pl' + self.get_optout_url()
 
 
 class EmailSent(models.Model):
     template = models.ForeignKey(EmailTemplate, models.CASCADE)
-    hash_value = models.CharField(max_length=1024)
+    contact = models.ForeignKey(Contact, models.CASCADE)
     timestamp = models.DateTimeField(auto_now_add=True)
-    email = models.CharField(_('e-mail'), max_length=1024)
     subject = models.CharField(_('subject'), max_length=1024)
     body = models.TextField(_('body'))
 
@@ -74,4 +191,5 @@ class EmailSent(models.Model):
         ordering = ('-timestamp',)
 
     def __str__(self):
-        return '%s %s' % (self.email, self.timestamp)
+        return '%s %s' % (self.contact.email, self.timestamp)
+