add UUID field on user model

backend/project/accounts/admin.py

@@ -13,6 +13,7 @@ class UserAdmin(BaseUserAdmin):
         "email",
         "first_name",
         "last_name",
+        "uuid",
         "is_active",
         "is_superuser",
         "date_joined",
@@ -22,7 +23,7 @@ class UserAdmin(BaseUserAdmin):
         "is_superuser",
         "is_active",
     )
-    search_fields = ("email", "first_name", "last_name")
+    search_fields = ("email", "first_name", "last_name", "uuid")
     ordering = ("email",)
     fieldsets = (
         (None, {"fields": ("email", "password")}),
@@ -48,6 +49,7 @@ class UserAdmin(BaseUserAdmin):
         ),
         (_("Important dates"), {"fields": ("last_login", "date_joined")}),
     )
+    readonly_fields = ("date_joined", "last_login", "uuid")
 
 
 admin.site.register(User, UserAdmin)

backend/project/accounts/migrations/0002_user_uuid.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.0.6 on 2024-07-02 13:58
+
+import django.contrib.postgres.functions
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("accounts", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="user",
+            name="uuid",
+            field=models.UUIDField(
+                db_default=django.contrib.postgres.functions.RandomUUID(),
+                db_index=True,
+                editable=False,
+                unique=True,
+            ),
+        ),
+    ]

backend/project/accounts/models.py

@@ -1,5 +1,6 @@
 from django.contrib.auth.base_user import AbstractBaseUser
 from django.contrib.auth.models import PermissionsMixin
+from django.contrib.postgres.functions import RandomUUID
 from django.db import models
 from django.db.models.functions import Now
 from django.utils import timezone
@@ -9,6 +10,9 @@
 
 
 class User(AbstractBaseUser, PermissionsMixin):
+    uuid = models.UUIDField(
+        editable=False, unique=True, db_index=True, db_default=RandomUUID()
+    )
     email = models.EmailField(
         _("email address"),
         unique=True,