[ADD] estate: create initial module structure and manifest

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+# __manifest__.py
+{  # noqa: B018
+    "author": "Odoo S.A.",
+    "name": "estate",
+    "depends": ["base"],
+    "application": True,
+    "license": "LGPL-3",
+    "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"
+    ],
+}

estate/models/__init__.py

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+from . import estate_property
+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property_offer

estate/models/estate_property.py

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+from odoo.tools.date_utils import add
+from odoo.exceptions import UserError
+from odoo import api, fields, models
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate property model"
+
+    active = fields.Boolean('Active', default=True)
+    state = fields.Selection([
+        ('new', 'New'),
+        ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('cancelled', 'Cancelled')
+    ], string='Status', default='new', required=True, copy=False)
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(copy=False, default=lambda self: add(fields.Date.today(), months=3), string="Available From")
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer()
+    has_garage = fields.Boolean()
+    has_garden = fields.Boolean()
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        string='Type',
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West')
+            ]
+        )
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    buyer = fields.Many2one('res.partner', copy=False)
+    salesperson = fields.Many2one('res.users', default=lambda self: self.env.user, string="Salesman")
+    tag_ids = fields.Many2many('estate.property.tag')
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string="Offers")
+    total_area = fields.Integer(compute="_compute_total_area", string="Total Area (sqm)")
+    best_price = fields.Float(compute="_compute_best_offer", string="Best Offer")
+
+    @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:
+            prices = record.offer_ids.mapped("price")
+            record.best_price = max(prices) if prices else 0.0
+
+    @api.onchange("has_garden")
+    def _onchange_has_garden(self):
+        if self.has_garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = None
+
+    def mark_order_as_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError("Cancelled properties cannot be sold")
+            else:
+                record.state = "sold"
+        return True
+
+    def mark_order_as_cancelled(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("Sold properties cannot be cancelled")
+            else:
+                record.state = "cancelled"
+        return True

estate/models/estate_property_offer.py

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+from odoo.tools.date_utils import add
+from odoo.exceptions import UserError
+from odoo import api, fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate property offer model"
+
+    price = fields.Float()
+    status = fields.Selection([
+        ('accepted', 'Accepted'),
+        ('refused', 'Refused')
+    ], copy=False)
+    partner_id = fields.Many2one("res.partner", required=True, string="Partner")
+    property_id = fields.Many2one("estate.property", required=True)
+    validity = fields.Integer(default=7, string="Validity (days)")
+    date_deadline = fields.Date(compute="_compute_date_deadline", inverse="_inverse_date_deadline", string="Deadline")
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            base_date = record.create_date.date() if record.create_date else fields.Date.today()
+            record.date_deadline = add(base_date, days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            base_date = record.create_date.date() if record.create_date else fields.Date.today()
+            if record.date_deadline and base_date:
+                record.validity = (record.date_deadline - base_date).days
+
+    def accept_offer(self):
+        for record in self:
+
+            if record.status == "accepted":
+                continue
+
+            accepted_offer = record.property_id.offer_ids.filtered(lambda offer: offer.status == "accepted")
+            if accepted_offer:
+                raise UserError("Only one offer can be accepted for a giver property !")
+            else:
+                record.status = "accepted"
+                record.property_id.buyer = record.partner_id
+                record.property_id.selling_price = record.price
+        return True
+
+    def refuse_offer(self):
+        for record in self:
+            record.status = "refused"
+        return True

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate property tag model"
+
+    name = fields.Char(required=True)

estate/models/estate_property_type.py

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+from odoo import fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate property type model"
+
+    name = fields.Char(required=True)

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,estate_property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type,estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag,estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer,estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real 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_settings_menu_type_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_settings_menu_tag_action" 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_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">
+                <header>
+                    <button name="accept_offer" type="object" string="Accept"/>
+                    <button name="refuse_offer" type="object" string="Refuse"/>
+                </header>
+                <sheet>
+                    <h1>
+                        <field name="property_id"/>
+                    </h1>
+                    <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_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="Properties">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="accept_offer" type="object" title="Accept" icon="fa-check"/>
+                <button name="refuse_offer" type="object" title="Refuse" icon="fa-times"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?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>
+                    <h1>
+                        <field name="name"/>
+                    </h1>
+                </sheet>
+            </form>
+        </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>