refactor: costume changes according MFE implementation

lms/djangoapps/bulk_email/data.py

@@ -20,9 +20,9 @@ class BulkEmailTargetChoices:
     SEND_TO_LEARNERS = "learners"
     SEND_TO_COHORT = "cohort"
     SEND_TO_TRACK = "track"
-    SEND_TO_INDIVIDUAL_STUDENTS = "individual-students"
+    SEND_TO_INDIVIDUAL_LEARNERS = "individual-learners"
 
-    TARGET_CHOICES = (SEND_TO_MYSELF, SEND_TO_STAFF, SEND_TO_LEARNERS, SEND_TO_COHORT, SEND_TO_TRACK, SEND_TO_INDIVIDUAL_STUDENTS)
+    TARGET_CHOICES = (SEND_TO_MYSELF, SEND_TO_STAFF, SEND_TO_LEARNERS, SEND_TO_COHORT, SEND_TO_TRACK, SEND_TO_INDIVIDUAL_LEARNERS)
 
     @classmethod
     def is_valid_target(cls, target):

lms/djangoapps/bulk_email/migrations/0009_alter_target_target_type.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.20 on 2023-09-12 19:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bulk_email', '0008_alter_target_target_type'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='target',
+            name='target_type',
+            field=models.CharField(choices=[('myself', 'Myself'), ('staff', 'Staff and instructors'), ('learners', 'All students'), ('cohort', 'Specific cohort'), ('track', 'Specific course mode'), ('individual-learners', 'Specific list of students')], max_length=64),
+        ),
+    ]

lms/djangoapps/bulk_email/models.py

@@ -55,9 +55,9 @@ class Meta:
 SEND_TO_LEARNERS = 'learners'
 SEND_TO_COHORT = 'cohort'
 SEND_TO_TRACK = 'track'
-SEND_TO_INDIVIDUAL_STUDENTS = 'individual-students'
+SEND_TO_INDIVIDUAL_LEARNERS = 'individual-learners'
 EMAIL_TARGET_CHOICES = list(zip(
-    [SEND_TO_MYSELF, SEND_TO_STAFF, SEND_TO_LEARNERS, SEND_TO_COHORT, SEND_TO_TRACK, SEND_TO_INDIVIDUAL_STUDENTS],
+    [SEND_TO_MYSELF, SEND_TO_STAFF, SEND_TO_LEARNERS, SEND_TO_COHORT, SEND_TO_TRACK, SEND_TO_INDIVIDUAL_LEARNERS],
     ['Myself', 'Staff and instructors', 'All students', 'Specific cohort', 'Specific course mode', 'Specific list of students']
 ))
 EMAIL_TARGETS = {target[0] for target in EMAIL_TARGET_CHOICES}
@@ -149,7 +149,7 @@ def get_users(self, course_id, user_id=None, emails=None):
                     & enrollment_query
                 )
             )
-        elif self.target_type == SEND_TO_INDIVIDUAL_STUDENTS:
+        elif self.target_type == SEND_TO_INDIVIDUAL_LEARNERS:
             return use_read_replica_if_available(
                 User.objects.filter(
                     models.Q(email__in=emails)

lms/djangoapps/instructor/views/api.py

@@ -2704,7 +2704,7 @@ def send_email(request, course_id):
         return HttpResponseForbidden("Email is not enabled for this course.")
 
     targets = json.loads(request.POST.get("send_to"))
-    emails = json.loads(request.POST.get("emails", []))
+    emails = json.loads(request.POST.get("individual_learners_emails", []))
     subject = request.POST.get("subject")
     message = request.POST.get("message")
     # optional, this is a date and time in the form of an ISO8601 string