[#3688] Add new model

src/openforms/registrations/contrib/objects_api/migrations/0014_remove_objectsapiregistrationdata_attachment_urls_and_more.py

@@ -0,0 +1,49 @@
+# Generated by Django 4.2.10 on 2024-03-21 11:36
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("submissions", "0004_auto_20231128_1536"),
+        ("registrations_objects_api", "0013_objectsapiregistrationdata"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="objectsapiregistrationdata",
+            name="attachment_urls",
+        ),
+        migrations.CreateModel(
+            name="ObjectsAPISubmissionAttachment",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "document_url",
+                    models.URLField(
+                        help_text="The URL of the submission attachment registered in the Documents API.",
+                        verbose_name="document_url",
+                    ),
+                ),
+                (
+                    "submission_file_attachment",
+                    models.ForeignKey(
+                        help_text="The submission file attachment.",
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="submissions.submissionfileattachment",
+                        verbose_name="submission file attachment",
+                    ),
+                ),
+            ],
+        ),
+    ]

src/openforms/registrations/contrib/objects_api/models.py

@@ -1,4 +1,3 @@
-from django.contrib.postgres.fields import ArrayField
 from django.core.exceptions import ValidationError
 from django.db import models
 from django.template.loader import render_to_string
@@ -222,12 +221,21 @@ class ObjectsAPIRegistrationData(models.Model):
         help_text=_("The CSV URL of the document on the Documents API."),
         blank=True,
     )
-    attachment_urls = ArrayField(
-        models.URLField(
-            _("attachment url"), help_text=_("The attachment URL on the Documents API.")
+
+
+class ObjectsAPISubmissionAttachment(models.Model):
+    """A utility model to link a submission file attachment with the Documents API URL."""
+
+    submission_file_attachment = models.ForeignKey(
+        "submissions.SubmissionFileAttachment",
+        on_delete=models.CASCADE,
+        verbose_name=_("submission file attachment"),
+        help_text=_("The submission file attachment."),
+    )
+
+    document_url = models.URLField(
+        _("document_url"),
+        help_text=_(
+            "The URL of the submission attachment registered in the Documents API."
         ),
-        verbose_name=_("attachment urls"),
-        help_text=_("The list of attachment URLs on the Documents API."),
-        blank=True,
-        default=list,
     )