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modules/sale/configuration.py

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+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+import datetime as dt
+
+from trytond.model import (
+    ModelSingleton, ModelSQL, ModelView, ValueMixin, fields)
+from trytond.modules.company.model import (
+    CompanyMultiValueMixin, CompanyValueMixin)
+from trytond.pool import Pool
+from trytond.pyson import Eval, Id, TimeDelta
+
+sale_invoice_method = fields.Selection(
+    'get_sale_invoice_methods', "Sale Invoice Method")
+sale_shipment_method = fields.Selection(
+    'get_sale_shipment_methods', "Sale Shipment Method")
+sale_quotation_validity = fields.TimeDelta(
+    "Sale Quotation Validity",
+    domain=['OR',
+        ('sale_quotation_validity', '>=', dt.timedelta()),
+        ('sale_quotation_validity', '=', None),
+        ])
+
+
+def get_sale_methods(field_name):
+    @classmethod
+    def func(cls):
+        pool = Pool()
+        Sale = pool.get('sale.sale')
+        return Sale.fields_get([field_name])[field_name]['selection']
+    return func
+
+
+def default_func(field_name):
+    @classmethod
+    def default(cls, **pattern):
+        return getattr(
+            cls.multivalue_model(field_name),
+            'default_%s' % field_name, lambda: None)()
+    return default
+
+
+class Configuration(
+        ModelSingleton, ModelSQL, ModelView, CompanyMultiValueMixin):
+    __name__ = 'sale.configuration'
+    sale_sequence = fields.MultiValue(fields.Many2One(
+            'ir.sequence', "Sale Sequence", required=True,
+            domain=[
+                ('company', 'in',
+                    [Eval('context', {}).get('company', -1), None]),
+                ('sequence_type', '=', Id('sale', 'sequence_type_sale')),
+                ]))
+    sale_quotation_validity = fields.MultiValue(sale_quotation_validity)
+    sale_invoice_method = fields.MultiValue(sale_invoice_method)
+    get_sale_invoice_methods = get_sale_methods('invoice_method')
+    sale_shipment_method = fields.MultiValue(sale_shipment_method)
+    get_sale_shipment_methods = get_sale_methods('shipment_method')
+    sale_process_after = fields.TimeDelta(
+        "Process Sale after",
+        domain=['OR',
+            ('sale_process_after', '=', None),
+            ('sale_process_after', '>=', TimeDelta()),
+            ],
+        help="The grace period during which confirmed sale "
+        "can still be reset to draft.\n"
+        "Applied if a worker queue is activated.")
+
+    @classmethod
+    def multivalue_model(cls, field):
+        pool = Pool()
+        if field in {'sale_invoice_method', 'sale_shipment_method'}:
+            return pool.get('sale.configuration.sale_method')
+        if field == 'sale_sequence':
+            return pool.get('sale.configuration.sequence')
+        elif field == 'sale_quotation_validity':
+            return pool.get('sale.configuration.quotation')
+        return super().multivalue_model(field)
+
+    default_sale_sequence = default_func('sale_sequence')
+    default_sale_invoice_method = default_func('sale_invoice_method')
+    default_sale_shipment_method = default_func('sale_shipment_method')
+
+
+class ConfigurationSequence(ModelSQL, CompanyValueMixin):
+    __name__ = 'sale.configuration.sequence'
+    sale_sequence = fields.Many2One(
+        'ir.sequence', "Sale Sequence", required=True,
+        domain=[
+            ('company', 'in', [Eval('company', -1), None]),
+            ('sequence_type', '=', Id('sale', 'sequence_type_sale')),
+            ])
+
+    @classmethod
+    def default_sale_sequence(cls):
+        pool = Pool()
+        ModelData = pool.get('ir.model.data')
+        try:
+            return ModelData.get_id('sale', 'sequence_sale')
+        except KeyError:
+            return None
+
+
+class ConfigurationSaleMethod(ModelSQL, ValueMixin):
+    __name__ = 'sale.configuration.sale_method'
+    sale_invoice_method = sale_invoice_method
+    get_sale_invoice_methods = get_sale_methods('invoice_method')
+    sale_shipment_method = sale_shipment_method
+    get_sale_shipment_methods = get_sale_methods('shipment_method')
+
+    @classmethod
+    def default_sale_invoice_method(cls):
+        return 'order'
+
+    @classmethod
+    def default_sale_shipment_method(cls):
+        return 'order'
+
+
+class ConfigurationQuotation(ModelSQL, ValueMixin):
+    __name__ = 'sale.configuration.quotation'
+    sale_quotation_validity = sale_quotation_validity