count the number of emails a student sends

bookshare/core/models.py

@@ -14,6 +14,8 @@ class Student(TimeStampedModel):
 
     slug = AutoSlugField(populate_from='user', unique=True)
 
+    emails_sent = models.PositiveIntegerField(default=0)
+
     def get_absolute_url(self):
         return reverse('profile', kwargs={'slug': self.slug})
 

bookshare/trades/views.py

@@ -403,6 +403,9 @@ class ExchangeListing(LoginRequiredMixin, FormValidMessageMixin, UpdateView):
         msg.attach_alternative(html_content, "text/html")
         msg.send()
 
+        self.obj.poster.emails_sent += 2
+        self.obj.poster.save()
+
         return super(ExchangeListing, self).form_valid(form)
 
     def get_context_data(self, **kwargs):
@@ -468,6 +471,9 @@ class UnExchangeListing(LoginRequiredMixin, FormValidMessageMixin, UpdateView):
         msg.attach_alternative(html_content, "text/html")
         msg.send()
 
+        self.obj.poster.emails_sent += 2
+        self.obj.poster.save()
+
         # this has to come after the email has been sent, otherwise these are
         # cleaned out
         form.instance.exchanged = False