feat: expose Assets field when editing a Log record

src/wuttafarm/web/views/logs.py

@@ -256,10 +256,9 @@ class LogMasterView(WuttaFarmMasterView):
             f.set_default("timestamp", self.app.make_utc())
 
         # assets
-        if self.creating or self.editing:
-            f.remove("assets")  # TODO: need to support this
-        else:
         f.set_node("assets", AssetRefs(self.request))
+        f.set_required("assets", False)
+        if not self.creating:
             # nb. must explicity declare value for non-standard field
             f.set_default("assets", log.assets)
 
@@ -324,13 +323,33 @@ class LogMasterView(WuttaFarmMasterView):
 
     def objectify(self, form):
         log = super().objectify(form)
+        data = form.validated
 
         if self.creating:
             model_class = self.get_model_class()
             log.log_type = self.get_farmos_log_type()
 
+        self.set_assets(log, data["assets"] or [])
+
         return log
 
+    def set_assets(self, log, desired):
+        model = self.app.model
+        session = self.Session()
+        current = [a.uuid for a in log.assets]
+
+        for uuid in desired:
+            if uuid not in current:
+                asset = session.get(model.Asset, uuid)
+                assert asset
+                log.assets.append(asset)
+
+        for uuid in current:
+            if uuid not in desired:
+                asset = session.get(model.Asset, uuid)
+                assert asset
+                log.assets.remove(asset)
+
     def get_farmos_url(self, log):
         return self.app.get_farmos_url(f"/log/{log.drupal_id}")