save the from_email_address

django_mailbox/migrations/0009_auto_20210719_1121.py

@@ -0,0 +1,33 @@
+# Generated by Django 3.2.4 on 2021-07-19 11:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('django_mailbox', '0008_auto_20190219_1553'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='message',
+            name='from_email_address',
+            field=models.CharField(blank=True, max_length=255, null=True, verbose_name='From email address'),
+        ),
+        migrations.AlterField(
+            model_name='mailbox',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='message',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+        migrations.AlterField(
+            model_name='messageattachment',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+    ]

django_mailbox/models.py

@@ -369,6 +369,16 @@ class Mailbox(models.Model):
             msg.message_id = message['message-id'][0:255].strip()
         if 'from' in message:
             msg.from_header = utils.convert_header_to_unicode(message['from'])
+            logger.info(
+                "from_header set to %s",
+                msg.from_header
+            )
+            if msg.from_header:
+                msg.from_email_address = parseaddr(msg.from_header)[1].lower()
+                logger.info(
+                    "from_email_address set to %s",
+                    msg.from_email_address
+                )
         if 'to' in message:
             msg.to_header = utils.convert_header_to_unicode(message['to'])
         elif 'Delivered-To' in message:
@@ -460,6 +470,11 @@ class UnreadMessageManager(models.Manager):
 
 
 class Message(models.Model):
+    class Meta:
+        indexes = [
+            models.Index(fields=['from_email_address']),
+        ]
+
     mailbox = models.ForeignKey(
         Mailbox,
         related_name='messages',
@@ -491,6 +506,13 @@ class Message(models.Model):
         max_length=255,
     )
 
+    from_email_address = models.CharField(
+        _('From email address'),
+        max_length = 255,
+        blank=True,
+        null=True,
+    )
+
     to_header = models.TextField(
         _('To header'),
     )