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