Update logic for email sending

courses/models.py

@@ -803,20 +803,23 @@ class ProfessorMessage(models.Model):
             bcc_es = [u.email for u in self.users.all() if u.is_active and re.match(r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)", u.email) and u.preferred_language == 'es']
             bcc_pt_br = [u.email for u in self.users.all() if u.is_active and re.match(r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)", u.email) and u.preferred_language == 'pt-br']
 
-            subject_en = Template(et.subject).render(Context({'subject': self.subject_en}))
-            message_en = Template(et.template).render(Context({'message': self.message_en}))
-            if self.subject_en and self.message_en:
-                self.send_emails(bcc_en, message_en, subject_en, email_batch_size)
-
-            subject_es = Template(et.subject).render(Context({'subject': self.subject_es}))
-            message_es = Template(et.template).render(Context({'message': self.message_es}))
-            if self.subject_es and self.message_es:
-                self.send_emails(bcc_es, message_es, subject_es, email_batch_size)
-
-            subject_pt_br = Template(et.subject).render(Context({'subject': self.subject_pt_br}))
-            message_pt_br = Template(et.template).render(Context({'message': self.message_pt_br}))
-            if self.subject_pt_br and self.message_pt_br:
-                self.send_emails(bcc_pt_br, message_pt_br, subject_pt_br, email_batch_size)
+            subject_en = self.subject_en or self.subject
+            message_en = self.message_en or self.message
+            subject_en = Template(et.subject).render(Context({'subject': subject_en}))
+            message_en = Template(et.template).render(Context({'message': message_en}))
+            self.send_emails(bcc_en, message_en, subject_en, email_batch_size)
+
+            subject_es = self.subject_es or self.subject
+            message_es = self.message_es or self.message
+            subject_es = Template(et.subject).render(Context({'subject': subject_es}))
+            message_es = Template(et.template).render(Context({'message': message_es}))
+            self.send_emails(bcc_es, message_es, subject_es, email_batch_size)
+
+            subject_pt_br = self.subject_pt_br or self.subject
+            message_pt_br = self.message_pt_br or self.message
+            subject_pt_br = Template(et.subject).render(Context({'subject': subject_pt_br}))
+            message_pt_br = Template(et.template).render(Context({'message': message_pt_br}))
+            self.send_emails(bcc_pt_br, message_pt_br, subject_pt_br, email_batch_size)
         else:
             bcc = [u.email for u in self.users.all() if u.is_active and re.match(r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)", u.email)]
             subject = Template(et.subject).render(Context({'subject': self.subject}))