[ADD] estate : add real estate module

.gitignore

@@ -127,3 +127,4 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+ruff.toml

estate/__init__.py

@@ -0,0 +1 @@
+from . import models

estate/__manifest__.py

@@ -0,0 +1,20 @@
+{
+    "name": "Estate",
+    "version": "1.9",
+    "category": "Real Estate",
+    "summary": "Manage your real estate properties",
+    "author": "Odoo",
+    "license": "LGPL-3",
+    "depends": ["base"],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_property_views.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_tag_views.xml",
+        "views/estate_property_offer_views.xml",
+        "views/estate_menus.xml",
+        "views/res_users_views.xml",
+    ],
+    "installable": True,
+    "application": True,
+}

estate/models/__init__.py

@@ -0,0 +1,5 @@
+from . import estate_property_offer
+from . import estate_property_tag
+from . import estate_property_type
+from . import estate_property
+from . import res_users

estate/models/estate_property.py

@@ -0,0 +1,127 @@
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.tools import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(string="Name", required=True)
+    postcode = fields.Char(string="Postcode")
+    available_from = fields.Date(
+        string="Available From",
+        copy=False,
+        default=fields.Date.add(fields.Date.today(), months=3),
+    )
+
+    expected_price = fields.Float(string="Expected Price", required=True)
+    selling_price = fields.Float(string="Selling Price", readonly=True)
+
+    description = fields.Text(string="Description")
+    bedrooms = fields.Integer(string="Bedrooms", default=2)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer(string="Facades")
+    garage = fields.Boolean(string="Garage")
+    garden = fields.Boolean(string="Garden")
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        [
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+        string="Garden Orientation",
+    )
+    total_area = fields.Integer(
+        string="Total Area (sqm)",
+        compute="_compute_total_area",
+        readonly=True,
+    )
+    active = fields.Boolean(string="Active", default=True)
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("canceled", "Canceled"),
+        ],
+        string="State",
+        default="new",
+        required=True,
+    )
+
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    salesman_id = fields.Many2one(
+        "res.users",
+        string="Salesman",
+        index=True,
+        default=lambda self: self.env.user,
+    )
+    buyer_id = fields.Many2one("res.partner", string="Buyer", index=True)
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    best_offer = fields.Float(string="Best Offer", compute="_compute_best_offer")
+
+    _positive_selling_price = models.Constraint(
+        "CHECK (selling_price > 0)",
+        "Selling price must be positive",
+    )
+
+    _positive_expected_price = models.Constraint(
+        "CHECK (expected_price > 0)",
+        "Expected price must be positive",
+    )
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_state_is_new_or_canceled(self):
+        if any(state not in ("new", "canceled") for state in self.mapped("state")):
+            raise UserError(
+                "Only properties in 'New' or 'Canceled' state can be deleted.",
+            )
+
+    @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_offer(self):
+        for record in self:
+            record.best_offer = (
+                max(record.offer_ids.mapped("price")) if record.offer_ids else 0.0
+            )
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if not self.garden:
+            self.garden_area = 0
+            self.garden_orientation = False
+        else:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+
+    @api.constrains("selling_price")
+    def _constrains_selling_price(self):
+        for record in self:
+            if not float_is_zero(record.selling_price, precision_digits=2):
+                if float_compare(record.selling_price, record.expected_price * 0.9, precision_digits=2) < 0:
+                    raise UserError("Selling price must be at least 90% of the expected price")
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                message = "Sold properties cannot be canceled"
+                raise UserError(message)
+            record.state = "canceled"
+
+    def action_sold(self):
+        for record in self:
+            if record.state == "canceled":
+                message = "Canceled properties cannot be sold"
+                raise UserError(message)
+            record.state = "sold"
+        return True

estate/models/estate_property_offer.py

@@ -0,0 +1,78 @@
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.tools import float_compare
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float(string="Price")
+    partner_id = fields.Many2one("res.partner", string="Partner", required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+    validity = fields.Integer(string="Validity (days)", default=7)
+    property_type_id = fields.Many2one(
+        related="property_id.property_type_id",
+        string="Property Type",
+        store=True,
+    )
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+        store=True,
+    )
+    status = fields.Selection(
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+        string="Status",
+        copy=False,
+    )
+
+    _positive_price = models.Constraint(
+        "CHECK (price > 0)",
+        "Price must be positive",
+    )
+
+    @api.model
+    def create(self, vals):
+        for record in vals:
+            this_property = self.env["estate.property"].browse(record["property_id"])
+            if float_compare(this_property.best_offer, record["price"], precision_digits=2) > 0:
+                raise UserError("Can't create offer with less price than best price.")
+            this_property.state = "offer_received"
+        return super().create(vals)
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            base_date = fields.Date.to_date(record.create_date) or fields.Date.today()
+            record.date_deadline = fields.Date.add(
+                base_date,
+                days=record.validity,
+            )
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            base_date = fields.Date.to_date(record.create_date) or fields.Date.today()
+            record.validity = (record.date_deadline - base_date).days
+
+    def action_accept(self):
+        for record in self:
+            if record.property_id.state == "offer_accepted":
+                message = "Another offer already accepted"
+                raise UserError(message)
+            if record.property_id.state == "sold":
+                message = "Property is already sold"
+                raise UserError(message)
+            record.status = "accepted"
+            record.property_id.selling_price = record.price
+            record.property_id.buyer_id = record.partner_id
+            record.property_id.state = "offer_accepted"
+
+    def action_refuse(self):
+        for record in self:
+            record.status = "refused"

estate/models/estate_property_tag.py

@@ -0,0 +1,15 @@
+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+    _order = "name"
+
+    name = fields.Char(string="Name", required=True)
+    color = fields.Integer(string="Color")
+
+    _unique_name = models.Constraint(
+        "UNIQUE (name)",
+        "Name must be unique",
+    )

estate/models/estate_property_type.py

@@ -0,0 +1,34 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(string="Name", required=True)
+    property_ids = fields.One2many(
+        "estate.property",
+        "property_type_id",
+        string="Properties",
+    )
+    sequence = fields.Integer(string="Sequence", default=1)
+    offer_ids = fields.One2many(
+        "estate.property.offer",
+        "property_type_id",
+        string="Offers",
+    )
+    offer_count = fields.Integer(
+        string="Offer Count",
+        compute="_compute_offer_count",
+    )
+
+    _unique_name = models.Constraint(
+        "UNIQUE (name)",
+        "Name must be unique",
+    )
+
+    @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

@@ -0,0 +1,12 @@
+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "salesman_id",
+        string="My Properties",
+        domain=[("state", "in", ("new", "offer_received"))],
+    )

estate/security/ir.model.access.csv

@@ -0,0 +1,5 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type,access_estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag,access_estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer,access_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Estate">
+        <menuitem id="estate_advertisements_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<odoo>
+    <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="Property Offer">
+                <sheet>
+                    <group>
+                        <field name="price"/>
+                        <field name="partner_id"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_tree" 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="bottom" 
+            decoration-danger="status == 'refused'" 
+            decoration-success="status == 'accepted'">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_accept" type="object" icon="fa-check" title="Accept" invisible="status"/>
+                <button name="action_refuse" type="object" icon="fa-times" title="Refuse" invisible="status"/>
+            </list>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_tag_views.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_tag_view_form" model="ir.ui.view">
+        <field name="name">estate.property.tag.form</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <form string="Property Tag">
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                    </group>
+                </sheet>
+            </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="bottom">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <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>
+</odoo>