156 lines
7.1 KiB
Python
156 lines
7.1 KiB
Python
# Part of Flectra See LICENSE file for full copyright and licensing details.
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from flectra import api, fields, models, _
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from flectra.tools.misc import formatLang
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from flectra.exceptions import Warning
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class SaleOrder(models.Model):
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_inherit = "sale.order"
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@api.multi
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@api.depends('discount_amount', 'discount_per',
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'amount_untaxed', 'order_line')
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def _get_discount(self):
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total_discount = 0.0
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for record in self:
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for so_line_id in record.order_line:
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total_price = \
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(so_line_id.product_uom_qty * so_line_id.price_unit)
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total_discount += (total_price * so_line_id.discount) / 100
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record.discount = record.pricelist_id.currency_id.round(total_discount)
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@api.multi
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@api.depends('order_line', 'discount_per', 'discount_amount',
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'order_line.product_uom_qty', 'order_line.price_unit')
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def _get_total_amount(self):
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for order_id in self:
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order_id.gross_amount = sum(
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[line_id.product_uom_qty *
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line_id.price_unit for line_id in order_id.order_line])
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discount_method = fields.Selection(
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[('fixed', 'Fixed'), ('per', 'Percentage')], string="Discount Method")
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discount_amount = fields.Float(string="Discount Amount")
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discount_per = fields.Float(string="Discount (%)")
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discount = fields.Monetary(
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string='Discount', store=True, readonly=True, compute='_get_discount',
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track_visibility='always')
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gross_amount = fields.Float(string="Gross Amount",
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compute='_get_total_amount', store=True)
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@api.multi
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def calculate_discount(self):
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self._check_constrains()
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for line in self.order_line:
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line.write({'discount': 0.0})
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# amount_untaxed = self.amount_untaxed
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gross_amount = self.gross_amount
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if self.discount_method == 'per':
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for line in self.order_line:
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line.write({'discount': self.discount_per})
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else:
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for line in self.order_line:
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discount_value_ratio = \
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(self.discount_amount *
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line.price_subtotal) / gross_amount
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discount_per_ratio = \
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(discount_value_ratio * 100) / line.price_subtotal
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line.write({'discount': discount_per_ratio})
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@api.onchange('discount_method')
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def onchange_discount_method(self):
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self.discount_amount = 0.0
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self.discount_per = 0.0
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if self.discount_method and not self.order_line:
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raise Warning('No Sale Order Line(s) were found!')
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@api.constrains('discount_per', 'discount_amount', 'order_line')
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def _check_constrains(self):
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self.onchange_discount_per()
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self.onchange_discount_amount()
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@api.multi
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def get_maximum_per_amount(self):
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sale_dis_config_obj = self.env['sale.discount.config']
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max_percentage = 0
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max_amount = 0
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check_group = False
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for groups_id in self.env.user.groups_id:
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sale_dis_config_id = \
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sale_dis_config_obj.search([('group_id', '=', groups_id.id)])
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if sale_dis_config_id:
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check_group = True
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if sale_dis_config_id.percentage > max_percentage:
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max_percentage = sale_dis_config_id.percentage
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if sale_dis_config_id.fix_amount > max_amount:
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max_amount = sale_dis_config_id.fix_amount
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return {'max_percentage': max_percentage,
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'max_amount': max_amount, 'check_group': check_group}
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@api.onchange('discount_per')
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def onchange_discount_per(self):
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values = self.get_maximum_per_amount()
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if self.discount_method == 'per' and (
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self.discount_per > 100 or self.discount_per < 0) and \
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values.get('check_group', False):
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raise Warning(_("Percentage should be between 0% to 100%"))
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if self.discount_per > values.get('max_percentage', False) and \
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values.get('check_group', False):
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raise Warning(_("You are not allowed to apply Discount Percentage"
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" (%s) more than configured Discount Percentage "
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"(%s) in configuration setting!") % (
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formatLang(self.env, self.discount_per, digits=2),
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formatLang(self.env, values['max_percentage'], digits=2)))
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config_id = self.env['res.config.settings'].search(
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[], order='id desc', limit=1)
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if config_id and config_id.global_discount_apply:
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if config_id.global_discount_percentage < self.discount_per:
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raise Warning(_("You are not allowed to apply Discount "
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"Percentage (%s) more than configured "
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"Discount Percentage (%s) in configuration "
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"setting!") % (
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formatLang(self.env, self.discount_per, digits=2),
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formatLang(self.env, config_id.global_discount_percentage,
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digits=2)))
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@api.onchange('discount_amount')
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def onchange_discount_amount(self):
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values = self.get_maximum_per_amount()
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if self.discount < 0:
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raise Warning(_("Discount should be less than Gross Amount"))
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discount = self.discount or self.discount_amount
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if discount > self.gross_amount:
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raise Warning(_("Discount (%s) should be less than "
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"Gross Amount (%s).") % (
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formatLang(self.env, discount, digits=2),
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formatLang(self.env, self.gross_amount, digits=2)))
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if self.discount_amount > values.get('max_amount', False) \
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and values.get('check_group', False):
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raise Warning(_("You're not allowed to apply Discount Amount "
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"(%s) more than configured amount (%s) in "
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"configuration setting!") % (
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formatLang(self.env, self.discount_amount, digits=2),
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formatLang(self.env, values['max_amount'], digits=2)))
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config_id = self.env['res.config.settings'].search(
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[], order='id desc', limit=1)
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if config_id and config_id.global_discount_apply:
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if config_id.global_discount_fix_amount < self.discount_amount:
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raise Warning(_("You're not allowed to apply Discount "
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"Amount (%s) more than configured amount "
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"(%s) in configuration setting!") % (
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formatLang(self.env, self.discount_amount, digits=2),
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formatLang(self.env, config_id.global_discount_fix_amount,
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digits=2)))
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@api.multi
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def _prepare_invoice(self):
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invoice_vals = super(SaleOrder, self)._prepare_invoice()
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invoice_vals.update({
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'discount_method': self.discount_method,
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'discount_amount': self.discount_amount,
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'discount_per': self.discount_per,
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'discount': self.discount,
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})
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return invoice_vals
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