first commit

email_service/backends.py

@@ -0,0 +1,91 @@
+from django.core.mail.backends.base import BaseEmailBackend
+from django.contrib.sites.shortcuts import get_current_site
+from django.core.mail.message import sanitize_address
+from .services import EmailService
+from .models import EmailConfiguration
+
+class ForwardEmailBackend(BaseEmailBackend):
+    def __init__(self, fail_silently=False, **kwargs):
+        super().__init__(fail_silently=fail_silently)
+        self.site = kwargs.get('site', None)
+
+    def send_messages(self, email_messages):
+        """
+        Send one or more EmailMessage objects and return the number of email
+        messages sent.
+        """
+        if not email_messages:
+            return 0
+
+        num_sent = 0
+        for message in email_messages:
+            try:
+                sent = self._send(message)
+                if sent:
+                    num_sent += 1
+            except Exception as e:
+                if not self.fail_silently:
+                    raise
+        return num_sent
+
+    def _send(self, email_message):
+        """Send an EmailMessage object."""
+        if not email_message.recipients():
+            return False
+
+        # Get the first recipient (ForwardEmail API sends to one recipient at a time)
+        to_email = email_message.to[0]
+
+        # Get site from connection or instance
+        if hasattr(email_message, 'connection') and hasattr(email_message.connection, 'site'):
+            site = email_message.connection.site
+        else:
+            site = self.site
+
+        if not site:
+            raise ValueError("Either request or site must be provided")
+
+        # Get the site's email configuration
+        try:
+            config = EmailConfiguration.objects.get(site=site)
+        except EmailConfiguration.DoesNotExist:
+            raise ValueError(f"Email configuration not found for site: {site.domain}")
+
+        # Get the from email, falling back to site's default if not provided
+        if email_message.from_email:
+            from_email = sanitize_address(email_message.from_email, email_message.encoding)
+        else:
+            from_email = config.default_from_email
+
+        # Extract clean email address
+        from_email = EmailService.extract_email(from_email)
+
+        # Get reply-to from message headers or use default
+        reply_to = None
+        if hasattr(email_message, 'reply_to') and email_message.reply_to:
+            reply_to = email_message.reply_to[0]
+        elif hasattr(email_message, 'extra_headers') and 'Reply-To' in email_message.extra_headers:
+            reply_to = email_message.extra_headers['Reply-To']
+
+        # Get message content
+        if email_message.content_subtype == 'html':
+            # If it's HTML content, we'll send it as text for now
+            # You could extend this to support HTML emails if needed
+            text = email_message.body
+        else:
+            text = email_message.body
+
+        try:
+            EmailService.send_email(
+                to=to_email,
+                subject=email_message.subject,
+                text=text,
+                from_email=from_email,
+                reply_to=reply_to,
+                site=site
+            )
+            return True
+        except Exception as e:
+            if not self.fail_silently:
+                raise
+            return False