🤝 add sent_at field (#38)

src/email_relay/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2023-09-27 12:20
+# Generated by Django 4.2.5 on 2023-09-27 18:38
 
 from django.db import migrations, models
 
@@ -50,6 +50,7 @@ class Migration(migrations.Migration):
                 ),
                 ("created_at", models.DateTimeField(auto_now_add=True)),
                 ("updated_at", models.DateTimeField(auto_now=True)),
+                ("sent_at", models.DateTimeField(blank=True, null=True)),
             ],
             options={
                 "ordering": ["created_at"],

src/email_relay/models.py

@@ -6,6 +6,7 @@
 from django.core.mail import EmailMessage
 from django.core.mail import EmailMultiAlternatives
 from django.db import models
+from django.utils import timezone
 
 
 class Priority(models.IntegerChoices):
@@ -65,6 +66,7 @@ class Message(models.Model):
 
     created_at = models.DateTimeField(auto_now_add=True, editable=False)
     updated_at = models.DateTimeField(auto_now=True, editable=False)
+    sent_at = models.DateTimeField(null=True, blank=True)
 
     objects = MessageQuerySet.as_manager()
 
@@ -89,6 +91,7 @@ def save(self, *args, **kwargs):
 
     def mark_sent(self):
         self.status = Status.SENT
+        self.sent_at = timezone.now()
         self.save()
 
     def defer(self, log: str = ""):