add worker-based precalculation of cashbook-values

valuestore.py

@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# This file is part of the cashbook-module from m-ds for Tryton.
+# The COPYRIGHT file at the top level of this repository contains the
+# full copyright notices and license terms.
+
+
+from trytond.pool import PoolMeta
+
+
+class ValueStore(metaclass=PoolMeta):
+    __name__ = 'cashbook.values'
+
+    @classmethod
+    def _maintenance_fields(cls):
+        """ add fields to update job
+        """
+        result = super(ValueStore, cls)._maintenance_fields()
+        result.extend([
+            'quantity', 'current_value', 'current_value_ref',
+            'diff_amount', 'diff_percent', 'current_rate',
+            'purchase_amount', 'yield_fee_total', 'yield_dividend_total',
+            'yield_sales', 'yield_fee_12m', 'yield_dividend_12m',
+            'yield_sales_12m'])
+        return result
+
+# end ValueStore