154 lines
6.9 KiB
Python
154 lines
6.9 KiB
Python
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from odoo import models, fields, api, _
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from odoo.tools.safe_eval import safe_eval
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from odoo.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 %.02f 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 %.02f' % (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 %.02f times %s' % (name, rule.list_price, rule.variable_factor)
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else:
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name = '%s fixed price %.02f plus %.02f 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='Product Price', required=True, default=0.0)
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list_price = fields.Float('Sale Price', digits='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=[
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('base_on_rule', 'Based on Rules'),
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], ondelete={'base_on_rule': lambda recs: recs.write({
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'delivery_type': 'fixed', 'fixed_price': 0,
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})})
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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: this delivery method is not available for this address.'),
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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.args[0],
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'warning_message': False}
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price_unit = self._compute_currency(order, price_unit, 'company_to_pricelist')
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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_conversion_currencies(self, order, conversion):
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company_currency = (self.company_id or self.env['res.company']._get_main_company()).currency_id
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pricelist_currency = order.currency_id
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if conversion == 'company_to_pricelist':
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return company_currency, pricelist_currency
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elif conversion == 'pricelist_to_company':
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return pricelist_currency, company_currency
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def _compute_currency(self, order, price, conversion):
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from_currency, to_currency = self._get_conversion_currencies(order, conversion)
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if from_currency.id == to_currency.id:
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return price
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return from_currency._convert(price, to_currency, order.company_id, order.date_order or fields.Date.today())
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def _get_price_available(self, order):
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self.ensure_one()
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self = self.sudo()
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order = order.sudo()
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total = weight = volume = quantity = wv = 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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if line.product_id.type == "service":
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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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wv += (line.product_id.weight or 0.0) * (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 = self._compute_currency(order, total, 'pricelist_to_company')
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return self.with_context(wv=wv)._get_price_from_picking(total, weight, volume, quantity)
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def _get_price_dict(self, total, weight, volume, quantity):
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'''Hook allowing to retrieve dict to be used in _get_price_from_picking() function.
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Hook to be overridden when we need to add some field to product and use it in variable factor from price rules. '''
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return {
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'price': total,
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'volume': volume,
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'weight': weight,
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'wv': self.env.context.get('wv') or volume * weight,
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'quantity': quantity
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}
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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 = self._get_price_dict(total, weight, volume, quantity)
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if self.free_over and total >= self.amount:
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return 0
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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(_('There is no matching delivery rule.'))
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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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