19.0: Onboarding bepro

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Real Estate',
+    'depends': ['base'],
+    'author': 'Odoo S.A.',
+    'license': 'LGPL-3',
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_menus.xml',
+        'views/res_user_views.xml',
+    ],
+}

estate/models/__init__.py

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+from . import property
+from . import property_offer
+from . import property_tag
+from . import property_type
+from . import res_users

estate/models/property.py

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+from odoo import _, api, exceptions, fields, models
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class Property(models.Model):
+    _name = "estate.property"
+    _description = "Properties of our managed estates"
+    _order = "id desc"
+
+    name = fields.Char(string='Title', required=True)
+    active = fields.Boolean(default=True)
+    state = fields.Selection(required=True, default='new', copy=False, selection=[
+        ('new', 'New'),
+        ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('cancelled', 'Cancelled'),
+    ])
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    salesman_id = fields.Many2one('res.users', string="Salesman", default=lambda self: self.env.user)
+    buyer_id = fields.Many2one('res.partner', string="Buyer", copy=False)
+    tag_ids = fields.Many2many("estate.property.tag")
+    offer_ids = fields.One2many("estate.property.offer", "property_id")
+    description = fields.Text(string='description')
+    postcode = fields.Char(string='postcode')
+    date_availability = fields.Date(string='Available from', default=lambda _: fields.Date.add(fields.Date.today(), months=3), copy=False)
+    expected_price = fields.Float(string='Expected price', required=True)
+    selling_price = fields.Float(string='selling price', readonly=True, copy=False)
+    bedrooms = fields.Integer(string='# bedrooms', default=2)
+    living_area = fields.Integer(string='living area size')
+    facades = fields.Integer(string='# facades')
+    garage = fields.Boolean(string='Has garage')
+    garden = fields.Boolean(string='Has garden')
+    garden_area = fields.Integer(string='garden area size')
+    garden_orientation = fields.Selection(string='garden orientation',
+    selection=[
+        ('north', 'North'),
+        ('south', 'South'),
+        ('east', 'East'),
+        ('west', 'West'),
+    ])
+    total_area = fields.Float(string="Total area", compute="_compute_total_area")
+    best_price = fields.Float(string="Best offer", compute="_compute_best_price")
+
+    _check_positive_expected_price = models.Constraint(
+        'CHECK (expected_price >= 0)', 'Expected price must be positive!')
+    _check_positive_selling_price = models.Constraint(
+        'CHECK (selling_price >= 0)', 'Selling price must be positive!')
+    _check_positive_living_area = models.Constraint(
+        'CHECK (living_area >= 0)', 'Living area must be positive!')
+    _check_positive_amounts = models.Constraint(
+        'CHECK (facades >= 0)', 'Number of facades must be positive!')
+    _check_positive_garden_area = models.Constraint(
+        'CHECK (garden_area >= 0)', 'Garden area must be positive!')
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends("offer_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            if record.offer_ids:
+                record.best_price = max(record.offer_ids.mapped("price"))
+            else:
+                record.best_price = 0
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(self):
+        for property in self:
+            if float_is_zero(property.selling_price, 2):
+                return
+            if float_compare(property.selling_price, 0.9 * property.expected_price, 2) == -1:
+                raise exceptions.ValidationError(_("The accepted price is less than 90% of the expected price!"))
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        for record in self:
+            record.garden_area = 10 if record.garden else 0
+            record.garden_orientation = 'north' if record.garden else False
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_draft(self):
+        for record in self:
+            if record.state not in ['new', 'cancelled']:
+                raise exceptions.ValidationError(_("Only properties in state New or Cancelled can be deleted!"))
+
+    def action_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise exceptions.UserError(_("Cancelled properties cannot be sold!"))
+
+            record.state = "sold"
+        return True
+
+    def action_cancelled(self):
+        for record in self:
+            if record.state == "sold":
+                raise exceptions.UserError(_("Sold properties cannot be cancelled!"))
+
+            record.state = "cancelled"
+        return True
+
+    def confirm_offer(self):
+        for property in self:
+            accepted_offer = property.offer_ids.filtered(lambda r: r.status == 'accepted')
+            accepted_offer.ensure_one()
+            property.selling_price = accepted_offer.price
+            property.buyer_id = accepted_offer.partner_id
+            property.state = 'offer_accepted'
+            # Refuse all other offers
+            (property.offer_ids - accepted_offer).action_cancel()
+
+    def _set_offer_received(self):
+        self.ensure_one()
+        if self.state == 'new':
+            self.state = 'offer_received'

estate/models/property_offer.py

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+import datetime as dt
+from math import floor
+
+from odoo import _, api, fields, models
+from odoo.exceptions import UserError, ValidationError
+
+
+class PropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Bids for a property"
+    _order = "price desc"
+
+    price = fields.Float(string="Price", required=True)
+    status = fields.Selection(string="Status", copy=False, selection=[('accepted', 'Accepted'), ('refused', 'Refused')])
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+    validity = fields.Integer(string="Validity of offer", default=7)
+    date_deadline = fields.Date(string="Offer expiry", compute="_compute_date_deadline", inverse="_inverse_date_deadline")
+
+    _check_positive_price = models.Constraint('CHECK(price >= 0)', 'Price has to be positive')
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            record.date_deadline = fields.Date.add(record.create_date or fields.Datetime.now(), days=record.validity)
+
+    @api.onchange('date_deadline')
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.date_deadline:
+                raw_difference = record.date_deadline - (record.create_date or fields.Datetime.now()).date()
+                difference = raw_difference.total_seconds()
+                if difference > 0:
+                    record.validity = floor(difference / dt.timedelta(days=1).total_seconds())
+
+    @api.constrains('status')
+    def _check_maximum_one_offer_accepted(self):
+        accepted_offers = self.filtered(lambda r: r.status == "accepted")
+        properties = accepted_offers.mapped('property_id')
+        for property in properties:
+            peer_offers = property.offer_ids
+            accepted_peers = peer_offers.filtered(lambda r: r.status == 'accepted')
+            if len(accepted_peers) > 1:
+                raise ValidationError(_("A single offer can be accepted at a time!"))
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        property_ids = self.env["estate.property"].browse(vals["property_id"] for vals in vals_list)
+        # Precondition: price and property_id are required fields
+        for vals in vals_list:
+            property = property_ids.filtered(lambda p: p.id == vals["property_id"])
+            property.ensure_one()
+            # Hook-approach (for composability)
+            property._set_offer_received()
+            if property.best_price and property.best_price > vals['price']:
+                raise UserError(_("New offer price must be higher than those of pre-existing offers!"))
+
+        return super().create(vals_list)
+
+    def action_confirm(self):
+        for record in self:
+            if record.status == "refused":
+                raise UserError(_("Offer is already refused!"))
+
+            record.status = 'accepted'
+            record.property_id.confirm_offer()
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.status == "accepted":
+                raise UserError(_("Offer is already accepted!"))
+
+            record.status = "refused"
+        return True

estate/models/property_tag.py

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+from odoo import fields, models
+
+
+class PropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Tag assigned to property"
+    _order = "name"
+
+    name = fields.Char(string='Name', required=True)
+    color = fields.Integer(string='Color')
+
+    _name_idx = models.UniqueIndex('(name)', 'Another record already exists with the same name!')

estate/models/property_type.py

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+from odoo import api, fields, models
+
+
+class PropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Type of property"
+    _order = "name"
+
+    name = fields.Char(string='Name', required=True)
+    sequence = fields.Integer('Sequence', default=1)
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+    offer_count = fields.Integer(compute="_compute_offer_count")
+
+    _name_idx = models.UniqueIndex('(name)', 'Another record already exists with the same name!')
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

estate/models/res_users.py

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+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    property_ids = fields.One2many("estate.property", "salesman_id", domain="[('state', 'in', ['new', 'offer_received'])]")

estate/security/ir.model.access.csv

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+id,name,model_id/id,group_id/id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_property_model,access.estate.property.model,estate.model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type_model,access.estate.property.type.model,estate.model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag_model,access.estate.property.tag.model,estate.model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer_model,access.estate.property.offer.model,estate.model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Estate">
+        <menuitem id="estate_menu_advertisements" name="Advertisements">
+            <menuitem id="estate_property_menu" action="estate_property_action"/>
+        </menuitem>
+
+        <menuitem id="estate_menu_settings" name="Settings">
+            <menuitem id="estate_property_type_menu" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Property Offers</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">list,form</field>
+        <field name="domain">[('property_type_id', '=', active_id)]</field>
+    </record>
+
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.property.offer.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list string="Property Offers" editable="top"
+                decoration-danger="status in ['refused']"
+                decoration-success="status in ['accepted']">
+                <field name="price" />
+                <field name="partner_id" />
+                <field name="validity" />
+                <field name="date_deadline" />
+                <button name="action_confirm" string="Confirm" type="object" icon="fa-check" invisible="status"/>
+                <button name="action_cancel" string="Cancel" type="object" icon="fa-times" invisible="status"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_form" model="ir.ui.view">
+        <field name="name">estate.property.offer.form</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <form string="Estate Property">
+                <sheet>
+                    <group>
+                        <group name="general">
+                            <field name="price" />
+                            <field name="partner_id" />
+                            <field name="validity" />
+                            <field name="date_deadline" />
+                            <field name="status" />
+                        </group>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list string="Property Tags" editable="top">
+                <field name="name" />
+            </list>
+        </field>
+    </record>
+</odoo>