flectra/addons/delivery/models/delivery_grid.py

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# -*- coding: utf-8 -*-
2018-01-16 11:34:37 +01:00
# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
2018-01-16 11:34:37 +01:00
from flectra import models, fields, api, _
from flectra.addons import decimal_precision as dp
from flectra.tools.safe_eval import safe_eval
from flectra.exceptions import UserError, ValidationError
class PriceRule(models.Model):
_name = "delivery.price.rule"
_description = "Delivery Price Rules"
_order = 'sequence, list_price, id'
@api.depends('variable', 'operator', 'max_value', 'list_base_price', 'list_price', 'variable_factor')
def _compute_name(self):
for rule in self:
name = 'if %s %s %s then' % (rule.variable, rule.operator, rule.max_value)
if rule.list_base_price and not rule.list_price:
name = '%s fixed price %s' % (name, rule.list_base_price)
elif rule.list_price and not rule.list_base_price:
name = '%s %s times %s' % (name, rule.list_price, rule.variable_factor)
else:
name = '%s fixed price %s plus %s times %s' % (name, rule.list_base_price, rule.list_price, rule.variable_factor)
rule.name = name
name = fields.Char(compute='_compute_name')
sequence = fields.Integer(required=True, default=10)
carrier_id = fields.Many2one('delivery.carrier', 'Carrier', required=True, ondelete='cascade')
variable = fields.Selection([('weight', 'Weight'), ('volume', 'Volume'), ('wv', 'Weight * Volume'), ('price', 'Price'), ('quantity', 'Quantity')], required=True, default='weight')
operator = fields.Selection([('==', '='), ('<=', '<='), ('<', '<'), ('>=', '>='), ('>', '>')], required=True, default='<=')
max_value = fields.Float('Maximum Value', required=True)
list_base_price = fields.Float(string='Sale Base Price', digits=dp.get_precision('Product Price'), required=True, default=0.0)
list_price = fields.Float('Sale Price', digits=dp.get_precision('Product Price'), required=True, default=0.0)
variable_factor = fields.Selection([('weight', 'Weight'), ('volume', 'Volume'), ('wv', 'Weight * Volume'), ('price', 'Price'), ('quantity', 'Quantity')], 'Variable Factor', required=True, default='weight')
class ProviderGrid(models.Model):
_inherit = 'delivery.carrier'
delivery_type = fields.Selection(selection_add=[('base_on_rule', 'Based on Rules')])
price_rule_ids = fields.One2many('delivery.price.rule', 'carrier_id', 'Pricing Rules', copy=True)
def base_on_rule_rate_shipment(self, order):
carrier = self._match_address(order.partner_shipping_id)
if not carrier:
return {'success': False,
'price': 0.0,
'error_message': _('Error: no matching grid.'),
'warning_message': False}
try:
price_unit = self._get_price_available(order)
except UserError as e:
return {'success': False,
'price': 0.0,
'error_message': e.name,
'warning_message': False}
if order.company_id.currency_id.id != order.pricelist_id.currency_id.id:
price_unit = order.company_id.currency_id.with_context(date=order.date_order).compute(price_unit, order.pricelist_id.currency_id)
return {'success': True,
'price': price_unit,
'error_message': False,
'warning_message': False}
def _get_price_available(self, order):
self.ensure_one()
total = weight = volume = quantity = 0
total_delivery = 0.0
for line in order.order_line:
if line.state == 'cancel':
continue
if line.is_delivery:
total_delivery += line.price_total
if not line.product_id or line.is_delivery:
continue
qty = line.product_uom._compute_quantity(line.product_uom_qty, line.product_id.uom_id)
weight += (line.product_id.weight or 0.0) * qty
volume += (line.product_id.volume or 0.0) * qty
quantity += qty
total = (order.amount_total or 0.0) - total_delivery
total = order.currency_id.with_context(date=order.date_order).compute(total, order.company_id.currency_id)
return self._get_price_from_picking(total, weight, volume, quantity)
def _get_price_from_picking(self, total, weight, volume, quantity):
price = 0.0
criteria_found = False
price_dict = {'price': total, 'volume': volume, 'weight': weight, 'wv': volume * weight, 'quantity': quantity}
for line in self.price_rule_ids:
test = safe_eval(line.variable + line.operator + str(line.max_value), price_dict)
if test:
price = line.list_base_price + line.list_price * price_dict[line.variable_factor]
criteria_found = True
break
if not criteria_found:
raise UserError(_("No price rule matching this order; delivery cost cannot be computed."))
return price
def base_on_rule_send_shipping(self, pickings):
res = []
for p in pickings:
carrier = self._match_address(p.partner_id)
if not carrier:
raise ValidationError(_('Error: no matching grid.'))
res = res + [{'exact_price': p.carrier_id._get_price_available(p.sale_id) if p.sale_id else 0.0, # TODO cleanme
'tracking_number': False}]
return res
def base_on_rule_get_tracking_link(self, picking):
return False
def base_on_rule_cancel_shipment(self, pickings):
raise NotImplementedError()