mis_builder : add computing of solde

mis_builder/models/mis_builder.py

@@ -534,7 +534,6 @@ class mis_report_instance_period(orm.Model):
             search_ctx.update({'date_from': c.date_from,
                                'date_to': c.date_to})
 
-        # TODO: initial balance?
         # TODO: use child of company_id?
         account_ids = account_obj.search(
             cr, uid,
@@ -558,25 +557,40 @@ class mis_report_instance_period(orm.Model):
         return balances
 
     def _fetch_balances_solde(self, cr, uid, c, bals_vars, context=None):
-        """ fetch the general account balances sold at the end of
+        """ fetch the general account balances solde at the end of
             the given period
 
+            the period from is computed by searching the last special period
+            with journal entries.
+            If nothing is found, the first period is used.
+
         returns a dictionary {bals_<account.code>: account.balance.solde}
         """
-        # TODO : compute the balance solde !
         if context is None:
             context = {}
         account_obj = self.pool['account.account']
+        balances = {}
 
         search_ctx = dict(context)
-        if c.period_from:
-            search_ctx.update({'period_from': c.period_from.id,
+        if c.period_to:
+            move_obj = self.pool['account.move']
+            move_id = move_obj.search(
+                cr, uid, [('period_id.special', '=', True),
+                          ('period_id.date_start', '<=',
+                           c.period_to.date_start)],
+                order="period_id desc", limit=1, context=context)
+            if move_id:
+                computed_period_from = move_obj.browse(
+                    cr, uid, move_id[0], context=context).period_id.id
+            else:
+                computed_period_from = self.pool['account.period'].search(
+                    cr, uid, [('company_id', '=', c.company_id.id)],
+                    order='date_start', limit=1)[0]
+            search_ctx.update({'period_from': computed_period_from,
                                'period_to': c.period_to.id})
         else:
-            search_ctx.update({'date_from': c.date_from,
-                               'date_to': c.date_to})
+            return balances
 
-        search_ctx['initial_bal'] = True
         # TODO: use child of company_id?
         account_ids = account_obj.search(
             cr, uid,
@@ -591,7 +605,7 @@ class mis_report_instance_period(orm.Model):
         # fetch balances
         account_datas = account_obj.read(
             cr, uid, account_ids, ['code', 'balance'], context=search_ctx)
-        balances = {}
+
         for account_data in account_datas:
             key = _python_bals_var(account_data['code'])
             assert key not in balances