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101 lines
4.2 KiB
Python
101 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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from odoo import models, fields, api, _
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from odoo.exceptions import ValidationError
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class AccountTaxInvoice(models.Model):
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_name = 'account.tax.invoice'
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_inherit = ['mail.thread', 'mail.activity.mixin']
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_description = '税务发票'
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_rec_name = 'name'
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name = fields.Char(string='发票编号', default='/')
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date = fields.Date(string='开票日期', required=True, default=fields.Date.today())
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note = fields.Text(string='备注')
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invoice_type = fields.Selection([
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('normal', '普票'),
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('red', '专票'),
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('tax', '电子发票'),
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], string='发票类型', default='tax', required=True)
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state = fields.Selection([
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('draft', '草稿'),
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('done', '完成'),
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('deprecated', '作废'),
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], string='状态', default='draft', copy=False, index=True, tracking=True)
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move_id = fields.Many2one('account.move', string='关联单据', required=True)
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purchaser_id = fields.Many2one('res.partner', string='购买方', required=True)
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seller_id = fields.Many2one('res.partner', string='销售方', required=True)
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purchaser_vat = fields.Char(related='purchaser_id.vat', string='购买方税号', readonly=True, store=True)
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seller_vat = fields.Char(related='seller_id.vat', string='销售方税号', readonly=True, store=True)
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company_id = fields.Many2one('res.company', string='公司', default=lambda self: self.env.company)
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currency_id = fields.Many2one('res.currency', string='币种', default=lambda self: self.env.company.currency_id)
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line_ids = fields.One2many('account.tax.invoice.line', 'invoice_line_id', string='发票行')
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# 计算字段
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amount = fields.Monetary(string='未税金额', compute='_compute_amount_total', store=True)
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amount_tax = fields.Monetary(string='税额', compute='_compute_amount_total', store=True)
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amount_total = fields.Monetary(string='含税总计', compute='_compute_amount_total', store=True)
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@api.depends('line_ids', 'line_ids.amount', 'line_ids.amount_tax')
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def _compute_amount_total(self):
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for rec in self:
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if rec.line_ids:
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amount = sum(rec.line_ids.mapped('amount'))
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amount_tax = sum(rec.line_ids.mapped('amount_tax'))
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rec.update({
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'amount': amount,
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'amount_tax': amount_tax,
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'amount_total': amount + amount_tax
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})
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def confirm(self):
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if set(self.mapped('state')) != {'draft'}:
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raise ValidationError('非草稿状态无法确认完成开票！')
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self.write({'state': 'done'})
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def deprecated(self):
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"""多实例方法：废弃已完成的税务发票"""
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if set(self.mapped('state')) != {'done'}:
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raise ValidationError('无法废弃非已完成状态的发票！')
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return self.write({'state': 'deprecated'})
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def reset_to_draft(self):
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"""多实例方法：重置为草稿"""
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if set(self.mapped('state')) != {'deprecated'}:
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raise ValidationError('无法重置非作废状态的发票！')
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return self.write({'state': 'draft'})
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def unlink(self):
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for rec in self:
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if rec.state not in ['draft', 'deprecated']:
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raise ValidationError('非草稿或作废状态的税票无法删除！')
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return super(AccountTaxInvoice, self).unlink()
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class AccountTaxInvoiceLine(models.Model):
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_name = 'account.tax.invoice.line'
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_description = '税务发票行'
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# 基础字段
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sequence = fields.Integer(string='序列')
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specification = fields.Char(string='规格')
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quantity = fields.Float(string='数量', required=True, digits=(16, 4))
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price_unit = fields.Float(string='单价', required=True, digits=(16, 4))
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# 关系字段
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invoice_line_id = fields.Many2one('account.tax.invoice', string='税务发票', required=True, ondelete='cascade')
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account_id = fields.Many2one('account.account', string='科目', required=True)
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product_id = fields.Many2one('product.product', string='产品', required=True)
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uom_id = fields.Many2one('uom.uom', string='单位')
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tax_id = fields.Many2one('account.tax', string='税率', required=True)
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# 关联字段
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currency_id = fields.Many2one(related='invoice_line_id.currency_id', string='币种')
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# 计算字段
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amount = fields.Monetary(string='金额')
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amount_tax = fields.Monetary(string='税额')
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amount_total = fields.Monetary(string='含税小计')
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