194 lines
7.0 KiB
Python
194 lines
7.0 KiB
Python
from odoo import models, fields, api
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from datetime import timedelta
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from odoo.exceptions import UserError, ValidationError
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# 导入异常类
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class EstateProperty(models.Model):
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_name = "estate.property"
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_description = "房地产属性"
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# 继承邮件线程和活动混合类
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_inherit = ["mail.thread", "mail.activity.mixin"]
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# 默认按ID降序排列
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_order = "id desc"
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name = fields.Char(string="名称", required=True)
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description = fields.Text(string="描述")
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postcode = fields.Char(string="邮政编码")
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# 默认日期为三个月后
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date_availability = fields.Date(
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string="可用日期",
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copy=False,
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default=lambda self: fields.Date.today() + timedelta(days=90),
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)
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expected_price = fields.Float(string="预期价格", required=True)
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selling_price = fields.Float(string="销售价格", copy=False)
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bedrooms = fields.Integer(string="卧室数量", default=2)
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living_area = fields.Integer(string="居住面积")
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facades = fields.Integer(string="立面")
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garage = fields.Boolean(string="是否有车库")
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garden = fields.Boolean(string="是否有花园")
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garden_area = fields.Integer(string="花园面积")
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garden_orientation = fields.Selection(
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[("north", "北"), ("south", "南"), ("east", "东"), ("west", "西")],
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string="花园朝向",
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)
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# 默认货币为公司货币
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currency_id = fields.Many2one(
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"res.currency",
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string="货币",
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required=True,
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default=lambda self: self.env.ref("base.CNY").id,
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)
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active = fields.Boolean(string="是否归档", default=True)
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# 房屋类型
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state = fields.Selection(
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[
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("new", "新"),
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("offer_received", "已收到报价"),
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("offer_accepted", "已接受报价"),
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("sold", "已售出"),
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("canceled", "已取消"),
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],
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string="状态",
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default="new",
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required=True,
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copy=False,
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)
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versionflog = fields.Integer(string="换版", default=1)
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# 关联房屋类型模型
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property_type_id = fields.Many2one(
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"estate.property.type", string="房屋类型", required=True
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)
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# 买家
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buyer_id = fields.Many2one("res.partner", string="买家", copy=False)
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# 关联联系人模型卖家
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seller_id = fields.Many2one(
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"res.users", string="卖家", required=True, default=lambda self: self.env.user
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)
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# 房屋标签
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tag_ids = fields.Many2many("estate.property.tag", string="房屋标签")
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# 房屋报价
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offer_ids = fields.One2many(
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"estate.property.offer", "property_id", string="房屋报价"
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)
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# 房屋总面积
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total_area = fields.Float(
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string="总面积", compute="_compute_total_area", store=True
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)
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# 最佳报价
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best_price = fields.Float(
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string="最佳报价", compute="_compute_best_price", store=True
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)
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create_date_month = fields.Char(string="创建月份", index=True, copy=False)
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# 房产预期价格必须严格为正数
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_sql_constraints = [
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("check_expected_price", "CHECK(expected_price > 0)", "预期价格必须为正数"),
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("check_selling_price", "CHECK(selling_price > 0)", "销售价格必须为正数"),
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("check_bedrooms", "CHECK(bedrooms > 0)", "卧室数量必须为正数"),
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("check_living_area", "CHECK(living_area > 0)", "居住面积必须为正数"),
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("check_facades", "CHECK(facades > 0)", "立面数量必须为正数"),
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]
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# 无法接受低于预期价格 90% 的报价
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@api.constrains("selling_price", "expected_price") # 添加约束
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def _check_selling_price(self):
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for record in self:
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if record.selling_price < record.expected_price * 0.9:
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raise ValidationError("销售价格不能低于预期价格的90%")
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@api.depends("living_area", "garden_area") # 计算字段
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def _compute_total_area(self):
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"""计算房屋总面积"""
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for record in self:
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record.total_area = record.living_area + record.garden_area
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@api.depends("offer_ids.price") # 计算字段
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def _compute_best_price(self):
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"""计算最佳报价"""
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for record in self:
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best_price = 0.0
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if record.offer_ids:
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best_price = max(record.offer_ids.mapped("price"))
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record.best_price = best_price
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def action_sold(self):
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"""标记为已售（需先接受报价）"""
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if self.state != "offer_accepted":
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raise UserError("必须接受报价后才能标记已售")
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return self.write({"state": "sold"})
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def action_cancel(self):
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"""取消交易"""
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if self.state == "sold":
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raise UserError("已售房产不可取消")
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return self.write({"state": "canceled"})
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# 如果有花园，设置默认花园面积为50，朝向为南，若没有花园，则设置花园面积为0，朝向为无
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@api.onchange("garden")
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def _onchange_garden(self):
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if self.garden:
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self.garden_area = 50
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self.garden_orientation = "south"
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else:
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self.garden_area = 0
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self.garden_orientation = False
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# 若取消选择车库则弹出警告
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@api.onchange("garage")
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def _onchange_garage(self):
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if not self.garage == False:
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return {"warning": {"title": "警告", "message": "确定取消车库吗？"}}
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# •如果房产的状态不是‘新建’或‘已取消’，则阻止删除房产
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@api.ondelete(at_uninstall=True)
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def _unlink_except_new_canceled(self):
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"""删除房产"""
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for record in self:
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if record.state not in ["new", "canceled"]:
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raise UserError("只能删除新建或已取消的房产")
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# 设置版本日志
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def setversionflog(self):
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# 空函数，不做任何操作
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pass
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def write(self, vals):
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vals["create_uid"] = self.create_uid
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return super(EstateProperty, self).write(vals)
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# 定义按钮
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def action_set_offer_received(self):
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"""设置为已收到报价"""
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return self.write({"state": "offer_received"})
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def action_set_offer_accepted(self):
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"""设置为已接受报价"""
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return self.write({"state": "offer_accepted"})
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def action_set_sold(self):
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"""设置为已售出"""
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# 将状态设置为已售出
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return self.write({"state": "sold"})
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def do_reject_new(self):
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"""拒绝新建报价"""
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# 将状态设置为"new"
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return self.write({"state": "new"})
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def do_reject_offer(self):
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"""拒绝报价"""
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return self.write({"state": "offer_received"})
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@api.model_create_multi
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def create(self, vals_list):
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records = super().create(vals_list)
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for rec in records:
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if rec.create_date:
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rec.create_date_month = rec.create_date.strftime("%Y-%m")
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else:
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rec.create_date_month = fields.Date.today().strftime("%Y-%m")
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return records
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