clean up mail code

input/utils/mail/__init__.py

@@ -2,7 +2,17 @@ from django.conf import settings
 from django.core.mail import EmailMultiAlternatives
 from django.template.loader import get_template
 from django.utils.html import strip_tags
-from .models import TYPE_CHOICES
+
+from input.models import TYPE_CHOICES
+
+from .attachments import collect_attachment_paths, attach_files
+
+__all__ = [
+    'collect_attachment_paths',
+    'attach_files',
+    'send_decision_mail',
+    'send_staff_decision_mail',
+]
 
 
 def _type_labels(choice: str):

input/utils/mail/attachments.py

@@ -4,11 +4,14 @@ import time
 import urllib.request
 import urllib.parse
 import mimetypes
+
 from pathlib import Path
 from typing import Iterable, List, Tuple
+
 from django.conf import settings
 from django.core.mail import EmailMultiAlternatives
 
+
 def _ensure_cache_dir() -> Path:
     """
     Ensure that the cache directory for attachments exists.

input/views.py

@@ -12,7 +12,8 @@ from django.contrib.auth.decorators import login_required
 from django.views.generic import TemplateView
 from django.views.generic.edit import FormView
 from django.utils.html import strip_tags
-from input.mail_attachments import collect_attachment_paths, attach_files
+
+from input.utils.mail import collect_attachment_paths, attach_files
 
 from .forms import (
     BaseApplicationForm,
@@ -263,42 +264,40 @@ class ApplicationView(FormView):
     def send_mail(self, obj, data):
         # Prepare minimal mail context and send mails
 
-        data['pk'] = obj.pk
-        data['url_prefix'] = settings.EMAIL_URL_PREFIX
-        data['type_label'] = self.type_info.label
-        context = {'data': data}
-
-        try:
-            # Mail to applicant
-            txt1 = get_template('input/ifg_volunteer_mail.txt').render(context)
-            html1 = get_template('input/ifg_volunteer_mail.html').render(context)
-            msg1 = EmailMultiAlternatives(
-                'Deine Förderanfrage bei Wikimedia Deutschland', txt1, settings.IF_EMAIL, [data['email']]
-            )
-            msg1.attach_alternative(html1, 'text/html')
-            applicant_files = collect_attachment_paths(kind='applicant', choice=self.type_code)
-            attach_files(msg1, applicant_files)
-            msg1.send()
         type_label_html = self.type_info.label
         type_label_plain = strip_tags(type_label_html)
-            # Mail to IF
-            txt2 = get_template('input/if_mail.txt').render(context)
-            html2 = get_template('input/if_mail.html').render(context)
-            applicant_name = self.get_recipient_name(obj, data)
-            msg2 = EmailMultiAlternatives(
-                f'Anfrage {type_label_plain} von {applicant_name}', txt2, settings.IF_EMAIL, [settings.IF_EMAIL]
-            )
-            msg2.attach_alternative(html2, 'text/html')
-            staff_files = collect_attachment_paths(kind='staff', choice=self.type_code)
-            attach_files(msg2, staff_files)
-            msg2.send()
 
+        data['pk'] = obj.pk
+        data['url_prefix'] = settings.EMAIL_URL_PREFIX
+        data['type_label'] = type_label_html
+
+        context = {'data': data}
+
+        applicant_name = self.get_recipient_name(obj, data)
+        applicant_subject = 'Deine Förderanfrage bei Wikimedia Deutschland'
+
+        staff_subject = f'Anfrage {type_label_plain} von {applicant_name}'
+
+        try:
+            self.send_email('applicant', 'ifg_volunteer_mail', applicant_subject, data['email'], context)
+            self.send_email('staff', 'if_mail', staff_subject, settings.IF_EMAIL, context)
         except BadHeaderError:
             obj.delete()
             return HttpResponse('Invalid header found. Data not saved!')
         except SMTPException:
             obj.delete()
-            return HttpResponse('Error in sending mails (probably wrong adress?). Data not saved!')
+            return HttpResponse('Error in sending mails (probably wrong address?). Data not saved!')
+
+    def send_email(self, kind, template_name, subject, recipient, context):
+        plain = get_template(f'input/{template_name}.txt').render(context)
+        html = get_template(f'input/{template_name}.html').render(context)
+        email = EmailMultiAlternatives(subject, plain, settings.IF_EMAIL, [recipient])
+        applicant_files = collect_attachment_paths(kind=kind, choice=self.type_code)
+
+        email.attach_alternative(html, 'text/html')
+        attach_files(email, applicant_files)
+
+        return email.send()
 
     @staticmethod
     def get_recipient_name(obj, data):