Fixed error on sorting template names and descriptions

idhub/admin/forms.py

@@ -34,7 +34,7 @@ class ImportForm(forms.Form):
             (x.did, x.label) for x in DID.objects.filter(user=self.user)
         ]
         self.fields['schema'].choices = [
-            (x.id, x.name()) for x in Schemas.objects.filter()
+            (x.id, x.name) for x in Schemas.objects.filter()
         ]
 
     def clean_did(self):

idhub/admin/tables.py

@@ -245,18 +245,11 @@ class TemplateTable(tables.Table):
                                           orderable=False,
                                           verbose_name="Delete schema")
 
-    # empty_values makes django_tables call render_attr
-    name = tables.Column(empty_values=())
-    description = tables.Column(empty_values=())
-
-    def render_name(self, record):
-        return record.get_name()
-
-    def render_description(self, record):
-        return record.get_description()
+    _name = tables.Column(verbose_name="Name")
+    _description = tables.Column(verbose_name="Description")
 
     class Meta:
         model = Schemas
         template_name = "idhub/custom_table.html"
-        fields = ("created_at", "file_schema", "name", "description",
+        fields = ("created_at", "file_schema", "_name", "_description",
                   "view_schema", "delete_schema")

idhub/models.py

@@ -436,8 +436,8 @@ class Schemas(models.Model):
     file_schema = models.CharField(max_length=250)
     data = models.TextField()
     created_at = models.DateTimeField(auto_now=True)
-    name = models.CharField(max_length=250, null=True)
-    description = models.CharField(max_length=250, null=True)
+    _name = models.CharField(max_length=250, null=True, db_column='name')
+    _description = models.CharField(max_length=250, null=True, db_column='description')
 
     @property
     def get_schema(self):
@@ -445,12 +445,33 @@ class Schemas(models.Model):
             return {}
         return json.loads(self.data)
 
-    def get_name(self):
-        return self.get_schema.get('name', '')
+    def _update_and_get_field(self, field_attr, schema_key):
+        field_value = getattr(self, field_attr)
+        if not field_value:
+            field_value = self.get_schema.get(schema_key, '')
+            self._update_model_field(field_attr, field_value)
+        return field_value
 
-    def get_description(self):
-        return self.get_schema.get('description', '')
+    def _update_model_field(self, field_attr, field_value):
+        if field_value:
+            setattr(self, field_attr, field_value)
+            self.save(update_fields=[field_attr])
 
+    @property
+    def name(self):
+        return self._update_and_get_field('_name', 'name')
+
+    @name.setter
+    def name(self, value):
+        self._name = value
+
+    @property
+    def description(self):
+        return self._update_and_get_field('_description', 'description')
+
+    @description.setter
+    def description(self, value):
+        self._description = value
 
 class VerificableCredential(models.Model):
     """

idhub/tests/test_tables.py

@@ -128,30 +128,19 @@ class TemplateTableTest(TestCase):
             self.fail("Ordering template table by name raised FieldError")
 
     def test_order_table_by_name_correctly_orders(self):
-        self.table.order_by = 'name'
+        table = TemplateTable(Schemas.objects.all(), order_by="name")
         # Fetch the sorted records
-        sorted_records = list(self.table.rows)
+        sorted_records = list(table.rows)
 
         # Verify the order is as expected
-        self.assertTrue(sorted_records[0].record.name
-                        < sorted_records[1].record.name)
-        self.assertTrue(sorted_records[1].record.name
-                        < sorted_records[2].record.name)
-
-    def test_order_table_by_name_ascending_correctly_orders(self):
-        self.table.order_by = '-name'
-        # Fetch the sorted records
-        sorted_records = list(self.table.rows)
-
-        # Verify the order is as expected
-        self.assertTrue(sorted_records[0].record.name
-                        > sorted_records[1].record.name)
-        self.assertTrue(sorted_records[1].record.name
-                        > sorted_records[2].record.name)
+        self.assertLess(sorted_records[0].record.name,
+                        sorted_records[1].record.name)
+        self.assertLess(sorted_records[1].record.name,
+                        sorted_records[2].record.name)
 
     def test_order_table_by_description_works(self):
         try:
             # Apply sorting
             self.table.order_by = 'description'
         except FieldError:
-            self.fail("Ordering template table by descripition raised FieldError")
+            self.fail("Ordering template table by description raised FieldError")