line: datumsbereich prüfen + test,

abstimmung: vorgänger beachten + test
line: party/transfer-book + test muß noch

line.py

@@ -77,6 +77,23 @@ class Line(Workflow, ModelSQL, ModelView):
         required=True, readonly=True, depends=['currency_digits'])
     credit = fields.Numeric(string='Credit', digits=(16, Eval('currency_digits', 2)),
         required=True, readonly=True, depends=['currency_digits'])
+
+    booktransf = fields.Many2One(string='Transfer Cashbook',
+        ondelete='RESTRICT', model_name='cashbook.book',
+        domain=[('cashbook.owner.id', '=', Eval('context',{}).get('user', -1))],
+        states={
+            'readonly': STATES['readonly'],
+            'invisible': ~Eval('bookingtype', '').in_(['mvin', 'mvout']),
+            'required': Eval('bookingtype', '').in_(['mvin', 'mvout']),
+        }, depends=DEPENDS+['bookingtype'])
+    party = fields.Many2One(string='Party', model_name='party.party',
+        ondelete='RESTRICT',
+        states={
+            'readonly': STATES['readonly'],
+            'invisible': ~Eval('bookingtype', '').in_(['in', 'out']),
+            'required': Eval('bookingtype', '').in_(['in', 'out']),
+        }, depends=DEPENDS+['bookingtype'])
+
     reconciliation = fields.Many2One(string='Reconciliation', readonly=True,
         model_name='cashbook.recon', ondelete='SET NULL',
         domain=[('cashbook.id', '=', Eval('cashbook'))],
@@ -147,7 +164,36 @@ class Line(Workflow, ModelSQL, ModelView):
     def wfcheck(cls, lines):
         """ line is checked
         """
-        pass
+        pool = Pool()
+        Recon = pool.get('cashbook.recon')
+
+        for line in lines:
+            # deny if date is in range of existing reconciliation
+            # allow cashbook-line at range-limits
+            if Recon.search_count([
+                    ('state', 'in', ['check', 'done']),
+                    ('cashbook.id', '=', line.cashbook.id),
+                    ('date_from', '<', line.date),
+                    ('date_to', '>', line.date),
+                ]) > 0:
+                raise UserError(gettext(
+                    'cashbook.msg_line_err_write_to_reconciled',
+                    datetxt = Report.format_date(line.date),
+                    ))
+            # deny if date is at reconciliation limits and two
+            # reconciliations exist
+            if Recon.search_count([
+                    ('state', 'in', ['check', 'done']),
+                    ('cashbook.id', '=', line.cashbook.id),
+                    ['OR',
+                        ('date_from', '=', line.date),
+                        ('date_to', '=', line.date),
+                    ]
+                ]) > 1:
+                raise UserError(gettext(
+                    'cashbook.msg_line_err_write_to_reconciled',
+                    datetxt = Report.format_date(line.date),
+                    ))
 
     @classmethod
     @ModelView.button