add worker-based precalculation of cashbook-values

line.py

@@ -15,7 +15,7 @@ from sql import Literal
 from sql.functions import DatePart
 from sql.conditionals import Case
 from .book import sel_state_book
-from .mixin import SecondCurrencyMixin, MemCacheIndexMx
+from .mixin import SecondCurrencyMixin
 from .const import DEF_NONE
 
 
@@ -49,9 +49,7 @@ STATES = {
 DEPENDS = ['state', 'state_cashbook']
 
 
-class Line(
-        SecondCurrencyMixin, MemCacheIndexMx, Workflow, ModelSQL,
-        ModelView):
+class Line(SecondCurrencyMixin, Workflow, ModelSQL, ModelView):
     'Cashbook Line'
     __name__ = 'cashbook.line'
 
@@ -1037,6 +1035,8 @@ class Line(
     def create(cls, vlist):
         """ add debit/credit
         """
+        ValueStore = Pool().get('cashbook.values')
+
         vlist = [x.copy() for x in vlist]
         for values in vlist:
             values.update(cls.add_values_from_splitlines(values))
@@ -1056,18 +1056,26 @@ class Line(
                         recname='%(date)s|%(descr)s' % {
                             'date': date_txt,
                             'descr': values.get('description', '-')}))
-        return super(Line, cls).create(vlist)
+        records = super(Line, cls).create(vlist)
+
+        if records:
+            ValueStore.update_books(ValueStore.get_book_by_line(records))
+        return records
 
     @classmethod
     def write(cls, *args):
         """ deny update if cashbook.line!='open',
             add or update debit/credit
         """
+        ValueStore = Pool().get('cashbook.values')
+
         actions = iter(args)
         to_write = []
+        to_update = []
         for lines, values in zip(actions, actions):
             cls.check_permission_write(lines, values)
 
+            to_update.extend(lines)
             for line in lines:
                 if line.reconciliation:
                     # deny state-change to 'edit' if line is
@@ -1111,12 +1119,19 @@ class Line(
 
         super(Line, cls).write(*to_write)
 
+        if to_update:
+            ValueStore.update_books(ValueStore.get_book_by_line(to_update))
+
     @classmethod
     def delete(cls, lines):
         """ deny delete if book is not 'open' or wf is not 'edit'
         """
+        ValueStore = Pool().get('cashbook.values')
+
         cls.check_permission_delete(lines)
+        to_update = ValueStore.get_book_by_line(lines)
         super(Line, cls).delete(lines)
+        ValueStore.update_books(to_update)
 
 # end Line