sso: implement populate_obj, fix membership edit form

sso/forms.py

@@ -86,3 +86,24 @@ class ClientForm(FlaskForm):
         default=True,
         description="User will be refused authorization to this client if their membership in Kasownik is not active",
     )
+
+    def populate_obj(self, obj):
+        client_metadata_keys = [
+            "client_name",
+            "client_uri",
+            "redirect_uris",
+            "grant_types",
+            "response_types",
+            "token_endpoint_auth_method",
+            "scope",
+        ]
+
+        metadata = {}
+
+        for name, field in self._fields.items():
+            if name in client_metadata_keys:
+                metadata[name] = self.data[name]
+            else:
+                field.populate_obj(obj, name)
+
+        obj.set_client_metadata(metadata)

sso/views.py

@@ -96,7 +96,7 @@ def client_create():
         client.client_id = str(uuid.uuid4())
         client.client_secret = generate_token()
         client.owner_id = current_user.get_user_id()
-        client.set_client_metadata(form.data)
+        form.populate_obj(client)
 
         db.session.add(client)
         db.session.commit()
@@ -117,7 +117,7 @@ def client_edit(client_id):
     form = ClientForm(obj=client)
 
     if form.validate_on_submit():
-        client.set_client_metadata(form.data)
+        form.populate_obj(client)
         db.session.commit()
         flash("Client has been changed.", "success")
         return redirect(url_for(".client_edit", client_id=client.id))