caching für change_day1/month1/...

rate.py

@@ -87,4 +87,34 @@ class Rate(SymbolMixin, ModelSQL, ModelView):
                 result[n][record[0]] = r1[n]
         return result
 
+    @classmethod
+    def create(cls, vlist):
+        """ clear cache
+        """
+        Asset = Pool().get('investment.asset')
+
+        Asset.values_cache_clear(
+            [x['asset'] for x in vlist],
+            ['change_day1', 'change_month1', 'change_month3',
+                'change_month6', 'change_month12'],
+            )
+        return super(Rate, cls).create(vlist)
+
+    @classmethod
+    def write(cls, *args):
+        """ clear cache
+        """
+        Asset = Pool().get('investment.asset')
+
+        asset_ids = []
+        actions = iter(args)
+        for rates, values in zip(actions, actions):
+            asset_ids.extend([x.asset.id for x in rates])
+
+        if len(asset_ids) > 0:
+            Asset.values_cache_clear(asset_ids,
+                ['change_day1', 'change_month1', 'change_month3',
+                    'change_month6', 'change_month12'])
+        super(Rate, cls).write(*args)
+
 # Rate