From b182c86a622d10853931277b7ec5a8b5e8ed8f79 Mon Sep 17 00:00:00 2001
From: Cayo Puigdefabregas <cayo@usody.com>
Date: Fri, 24 Nov 2023 18:10:43 +0100
Subject: [PATCH] fix nullable field

---
 oidc4vp/migrations/0001_initial.py |  4 ++--
 oidc4vp/models.py                  | 11 +++++++++--
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/oidc4vp/migrations/0001_initial.py b/oidc4vp/migrations/0001_initial.py
index cc0d8fd..c88d0f8 100644
--- a/oidc4vp/migrations/0001_initial.py
+++ b/oidc4vp/migrations/0001_initial.py
@@ -1,4 +1,4 @@
-# Generated by Django 4.2.5 on 2023-11-24 16:53
+# Generated by Django 4.2.5 on 2023-11-24 17:10
 
 from django.conf import settings
 from django.db import migrations, models
@@ -50,7 +50,7 @@ class Migration(migrations.Migration):
                 (
                     'client_id',
                     models.CharField(
-                        default=oidc4vp.models.set_client_id, max_length=24
+                        default=oidc4vp.models.set_client_id, max_length=24, unique=True
                     ),
                 ),
                 (
diff --git a/oidc4vp/models.py b/oidc4vp/models.py
index fa273b7..e26464a 100644
--- a/oidc4vp/models.py
+++ b/oidc4vp/models.py
@@ -36,8 +36,15 @@ class Organization(models.Model):
       This class represent a member of one net trust or federated host
     """
     name = models.CharField(max_length=250)
-    client_id = models.CharField(max_length=24, default=set_client_id)
-    client_secret = models.CharField(max_length=48, default=set_client_secret)
+    client_id = models.CharField(
+        max_length=24,
+        default=set_client_id,
+        unique=True
+    )
+    client_secret = models.CharField(
+        max_length=48,
+        default=set_client_secret
+    )
     response_uri = models.URLField(
         help_text=_("Url where to send the verificable presentation"),
         max_length=250