remove autoonetone

metadata_catalogue/datasets/libs/darwincore/deserializer.py

@@ -79,7 +79,7 @@ def to_metadata(xml_path: pathlib.Path, dataset: Dataset):
     with open(str(xml_path)) as eml:
         soup = BeautifulSoup(eml, features="lxml-xml")
         with transaction.atomic():
-            metadata = dataset.metadata
+            metadata = dataset.get_metadata()
 
             dataset = soup.find("dataset")
             metadata.title = text_or_null(dataset.find("title"))

metadata_catalogue/datasets/libs/darwincore/mapping.py

@@ -35,7 +35,7 @@ def to_content(xml_path, dataset):
     with open(str(meta_path)) as meta:
         soup = BeautifulSoup(meta, features="lxml-xml")
         with transaction.atomic():
-            content = dataset.content
+            content = dataset.get_content()
             extensions = []
             core = SourceLayer(soup.find("core"), xml_path)
             for extension in soup.find_all("extension"):

metadata_catalogue/datasets/migrations/0001_initial.py

@@ -5,7 +5,6 @@
 from django.db import migrations, models
 import django.db.models.deletion
 import django.db.models.functions.comparison
-import metadata_catalogue.core.fields
 import uuid
 
 
@@ -237,7 +236,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name="metadata",
             name="dataset",
-            field=metadata_catalogue.core.fields.AutoOneToOneField(
+            field=models.OneToOneField(
                 blank=True,
                 null=True,
                 on_delete=django.db.models.deletion.CASCADE,
@@ -457,7 +456,7 @@ class Migration(migrations.Migration):
                 ("gdal_vrt_definition", models.TextField(blank=True, null=True)),
                 (
                     "dataset",
-                    metadata_catalogue.core.fields.AutoOneToOneField(
+                    models.OneToOneField(
                         on_delete=django.db.models.deletion.CASCADE, related_name="content", to="datasets.dataset"
                     ),
                 ),

metadata_catalogue/datasets/models.py

@@ -9,8 +9,6 @@
 from django_lifecycle import AFTER_CREATE, AFTER_DELETE, BEFORE_SAVE, LifecycleModel, hook
 from solo.models import SingletonModel
 
-from metadata_catalogue.core.fields import AutoOneToOneField
-
 from .libs.iso.mapping import ISOMapping
 from .managers import DatasetManager
 
@@ -68,6 +66,18 @@ def set_fetch_message(self, message, *args, append=False, success=None, logger_f
 
         self.save()
 
+    def get_metadata(self):
+        if hasattr(self, "metadata"):
+            return self.metadata
+        else:
+            return Metadata.objects.create(dataset=self)
+
+    def get_content(self):
+        if hasattr(self, "content"):
+            return self.metadata
+        else:
+            return Content.objects.create(dataset=self)
+
     class Meta:
         verbose_name = _("Dataset")
         constraints = [