Brandon/bb2 3951 saving unhashed mbi (#1352)

* testing changes

* adding migration for mbi values

* committing for now

* removing unnecessary script files and just committing changes to store unhashed mbi

* re-adding management

* removing unnecessary migration

* adding unhashed mbi to db

* removing mbi from logs and including mbi in model

* adding necessary alter migration back in

* adding mbi to tests and db

* adding mbi to archived crosswalk and removing test logic as it was causing errors in unit tests

* adding mbi to archived crosswalk and removing test logic as it was causing errors in unit tests

* manually removing test mbi references

* cleanup

* removing validation around ensuring same fhir id to allow for changes in refresh

* removing unique constraint on fhir_id and modifying test accordingly

* removing fhir_id unique constraint

* Reverting fhir id changes and only adding mbi column changes

---------

Co-authored-by: sb-benohe <71290292+sb-benohe@users.noreply.github.com>

Author: bwang-icf

apps/fhir/bluebutton/migrations/0005_crosswalk__user_mbi.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.20 on 2025-06-30 22:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bluebutton', '0004_createnewapplication_mycredentialingrequest'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='crosswalk',
+            name='_user_mbi',
+            field=models.CharField(db_index=True, default=None, max_length=11, null=True, verbose_name='Unhashed MBI'),
+        ),
+    ]

apps/fhir/bluebutton/migrations/0006_alter_crosswalk__user_mbi.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.20 on 2025-07-09 00:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bluebutton', '0005_crosswalk__user_mbi'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='crosswalk',
+            name='_user_mbi',
+            field=models.CharField(db_column='user_mbi', db_index=True, default=None, max_length=11, null=True, verbose_name='Unhashed MBI'),
+        ),
+    ]

apps/fhir/bluebutton/migrations/0007_archivedcrosswalk__user_mbi.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.20 on 2025-07-18 17:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bluebutton', '0006_alter_crosswalk__user_mbi'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='archivedcrosswalk',
+            name='_user_mbi',
+            field=models.CharField(db_column='user_mbi', db_index=True, default=None, max_length=11, null=True, verbose_name='Unhashed MBI'),
+        ),
+    ]

apps/fhir/bluebutton/models.py

@@ -119,7 +119,15 @@ class Crosswalk(models.Model):
         db_column="user_mbi_hash",
         db_index=True,
     )
-
+    # This stores the unhashed MBI value.
+    _user_mbi = models.CharField(
+        max_length=11,
+        verbose_name="Unhashed MBI",
+        null=True,
+        default=None,
+        db_column="user_mbi",
+        db_index=True,
+    )
     objects = models.Manager()  # Default manager
     real_objects = RealCrosswalkManager()  # Real bene manager
     synth_objects = SynthCrosswalkManager()  # Synth bene manager
@@ -145,6 +153,10 @@ def user_hicn_hash(self):
     def user_mbi_hash(self):
         return self._user_mbi_hash
 
+    @property
+    def user_mbi(self):
+        return self._user_mbi
+
     @user_hicn_hash.setter
     def user_hicn_hash(self, value):
         self._user_id_hash = value
@@ -153,6 +165,10 @@ def user_hicn_hash(self, value):
     def user_mbi_hash(self, value):
         self._user_mbi_hash = value
 
+    @user_mbi.setter
+    def user_mbi(self, value):
+        self._user_mbi = value
+
 
 class ArchivedCrosswalk(models.Model):
     """
@@ -215,7 +231,15 @@ class ArchivedCrosswalk(models.Model):
         db_column="user_mbi_hash",
         db_index=True,
     )
-
+    # This stores the unhashed MBI value.
+    _user_mbi = models.CharField(
+        max_length=11,
+        verbose_name="Unhashed MBI",
+        null=True,
+        default=None,
+        db_column="user_mbi",
+        db_index=True,
+    )
     # Date/time that the Crosswalk instance was created
     date_created = models.DateTimeField()
 

apps/mymedicare_cb/models.py

@@ -33,6 +33,7 @@ def get_and_update_user(slsx_client: OAuth2ConfigSLSx, request=None):
         slsx_client = OAuth2ConfigSLSx encapsulates all slsx exchanges and user info values as listed below:
         subject = ID provider's sub or username
         mbi_hash = Previously hashed mbi
+        mbi = Unhashed MBI from SLSx
         hicn_hash = Previously hashed hicn
         first_name
         last_name
@@ -125,6 +126,7 @@ def get_and_update_user(slsx_client: OAuth2ConfigSLSx, request=None):
                 user.crosswalk.user_id_type = hash_lookup_type
                 user.crosswalk.user_hicn_hash = slsx_client.hicn_hash
                 user.crosswalk.user_mbi_hash = slsx_client.mbi_hash
+                user.crosswalk.user_mbi = slsx_client.mbi
                 user.crosswalk.save()
 
         # Beneficiary has been successfully matched!
@@ -231,6 +233,7 @@ def create_beneficiary_record(slsx_client: OAuth2ConfigSLSx, fhir_id=None, user_
             user=user,
             user_hicn_hash=slsx_client.hicn_hash,
             user_mbi_hash=slsx_client.mbi_hash,
+            user_mbi=slsx_client.mbi,
             fhir_id=fhir_id,
             user_id_type=user_id_type,
         )