send mail 30 days after assumed end of project in sendmails command

input/management/commands/sendmails.py

@@ -1,10 +1,11 @@
-from datetime import date
+from datetime import date, timedelta
 
 from django.core.management.base import BaseCommand, CommandError
-# from django.db.models.query import QuerySet
+from django.template.loader import get_template
+from django.core.mail import send_mail, BadHeaderError
 
 from input.models import Project
-
+from input.settings import URLPREFIX, IF_EMAIL
 
 class Command(BaseCommand):
     ''' mails will be send here:
@@ -25,7 +26,19 @@ class Command(BaseCommand):
     def handle(self, *args, **options):
 
         # get all projects which ended 3 weeks ago
-        old = Project.objects.filter(end__lt = date.today())
+        old = Project.objects.filter(end__lt = date.today() - timedelta(days=30))
         print(old)
+        mail_template = get_template('input/if_end_of_project.txt')
+        for project in old:
+            context = {'project': project}
+            try:
+                send_mail('Projektende erreicht',
+                          mail_template.render(context),
+                          IF_EMAIL,
+                          [IF_EMAIL],
+                          fail_silently=False)
+            except BadHeaderError:
+                return HttpResponse('Invalid header found.')
+
 
         self.stdout.write(self.style.SUCCESS('sendmails custom command executed'))

input/templates/input/if_end_of_project.txt

@@ -0,0 +1,9 @@
+Hallo Team Ideenförderung!
+
+Das Project {{project.name}} hat am {{project.end}} sein vorraussichtliches Ende erreicht.
+
+Hier könnt ihr es in der Datenbank editieren:
+
+INSERT LINK here ID: {{project.pid}}
+
+mit freundlichen Grüßen, Eure Lieblingsdatenbank

input/views.py

@@ -149,21 +149,19 @@ class ExternView(CookieWizardView):
             #  - mail with entered data to the Volunteer
             mail_template = get_template('input/ifg_volunteer_mail.txt')
             send_mail(
-                'form filled',
+                'Formular ausgefüllt',
                 mail_template.render(context),
                 IF_EMAIL,
                 [form.email],
-                fail_silently=False,
-            )
+                fail_silently=False)
             #  - mail to IF with link to accept/decline
             mail_template = get_template('input/if_mail.txt')
             send_mail(
-                'form filled',
+                'Formular ausgefüllt',
                 mail_template.render(context),
                 IF_EMAIL,
                 [IF_EMAIL],
-                fail_silently=False,
-            )
+                fail_silently=False)
 
         except BadHeaderError:
             return HttpResponse('Invalid header found.')