[ADD] estate: implement estate module (setup, models, fields, security)

.vscode/settings.json

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+{
+    "xml.symbols.enabled": false,
+    "python.languageServer": "None"
+}

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Estate",
+    "application": True,
+    "installable": True,
+    "author": "sngoh",
+    "depeneds": ["base"],
+    "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_types
+from . import estate_property_tag
+from . import estate_property_offer

estate/models/estate_property.py

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+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=fields.Date.add(fields.Date.today(), months=3)
+    )
+    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()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer(string="Garden Area(sqm)")
+    garden_orientation = fields.Selection(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+    active = fields.Boolean("Active", default=True)
+    state = fields.Selection(
+        string="Property State",
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        default="new",
+    )
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    sales_man = fields.Many2one(
+        "res.users", string="Salesman", default=lambda self: self.env.user
+    )
+    buyer = fields.Many2one("res.partner", string="Buyer", copy=False)
+    tag = fields.Many2many("estate.property.tag", string="Tags")
+    offer = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    total_area = fields.Float(compute="_compute_total_area")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for records in self:
+            records.total_area = records.living_area + records.garden_area
+
+    @api.depends("offer.price")
+    def _compute_best_price(self):
+        for records in self:
+            prices = records.mapped("offer.price")
+            records.best_price = max(prices) if prices else 0
+
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "A property expected price must be strictly positive",
+    )
+
+    _check_selling_price = models.Constraint(
+        "CHECK(selling_price >= 0)",
+        "A property selling price must be positive",
+    )
+
+    @api.constrains("state")
+    def on_state_change(self):
+        for record in self:
+            if record.state == "offer_accepted" or record.state == "sold":
+                if float_compare(record.selling_price, record.expected_price * 0.9, 3):
+                    raise ValidationError("Selling price error")
+
+    @api.onchange("garden")
+    def _on_change_garden(self):
+        for records in self:
+            if records.garden:
+                records.garden_area = 10
+                records.garden_orientation = "north"
+            else:
+                records.garden_area = False
+                records.garden_orientation = False
+
+    def sold_button(self):
+        for records in self:
+            if records.state == "cancelled":
+                raise UserError("Cancelled property cannot be sold.")
+            records.state = "sold"
+            records.selling_price = records.selling_price
+        return True
+
+    def cancel_button(self):
+        for records in self:
+            if records.state == "sold":
+                raise UserError("Sold property cannoy be cancelled.")
+            records.state = "cancelled"
+            records.state = False
+        return True

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real E-state offer"
+
+    price = fields.Float()
+    status = fields.Selection(
+        string="Offer Status",
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+    )
+    partner_id = fields.Many2one("res.partner", string="Partner", required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="_compute_date_deadline", inverse="_inverse_date_deadline"
+    )
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for records in self:
+            base_date = (
+                records.create_date.date()
+                if records.create_date
+                else fields.Date.today()
+            )
+            records.date_deadline = fields.Date.add(base_date, days=records.validity)
+
+    _check_offer_price = models.Constraint(
+        "CHECK(price > 0)",
+        "An offer price must be strictly positive",
+    )
+
+    def _inverse_date_deadline(self):
+        for records in self:
+            base_date = (
+                records.create_date.date()
+                if records.create_date
+                else fields.Date.today()
+            )
+            if records.date_deadline:
+                records.validity = (records.date_deadline - base_date).days
+
+    def accept_button(self):
+        for records in self:
+            records.status = "accepted"
+            records.property_id.buyer = records.partner_id
+            records.property_id.selling_price = records.price
+            records.property_id.state = "offer_accepted"
+
+    def reject_button(self):
+        for records in self:
+            records.status = "refused"
+            if records.property_id.buyer == records.partner_id:
+                records.property_id.buyer = False
+                records.property_id.selling_price = False
+                records.property_id.state = "offer_received"

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real E-state Property Tag"
+
+    name = fields.Char(required=True)
+
+    _check_unique_tag = models.Constraint(
+        "UNIQUE(name)",
+        "A property tag name must be unique",
+    )

estate/models/estate_property_types.py

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+from odoo import fields, models
+
+
+class EstatePropertyTypes(models.Model):
+    _name = "estate.property.type"
+    _description = "Real E-state Property Type"
+
+    name = fields.Char()
+
+    _check_unique_property_name = models.Constraint(
+        "UNIQUE(name)",
+        "A property type should be unique",
+    )

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,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_estdate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<odoo>
+    <menuitem id="menu_root" name="E-state">
+        <menuitem id="advertisement" name="Advertisements">
+            <menuitem id="property_menu" action="estate_property_action" />
+        </menuitem>
+        <menuitem id="settings" name="settings">
+            <menuitem id="property_types" action="estate_property_type_action" />
+            <menuitem id="property_tag" action="estate_property_tag_action" />
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <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>
+                <field name="price" />
+                <field name="partner_id" />
+                <field name="validity" />
+                <field name="date_deadline" />
+                <button name="accept_button" title="Accept" type="object" icon="fa-check" />
+                <button name="reject_button" title="Reject" type="object" icon="fa-times" />
+                <field name="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>
+                <sheet>
+                    <group>
+                        <field name="price" />
+                        <field name="partner_id" />
+                        <field name="validity" />
+                        <field name="date_deadline" />
+                        <field name="status" />
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tag</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_tag_list_view" 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>
+                <field name="name" />
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_form_view" 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>
+                <sheet>
+                    <group>
+                        <field name="name" />
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_type_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property Type</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_type_list_view" model="ir.ui.view">
+        <field name="name">estate.property.type.list</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="name" />
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_type_form_view" model="ir.ui.view">
+        <field name="name">etate.property.type.form</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <form>
+                <div class="oe_title">
+                    <h1>
+                        <group>
+                            <field name="name" />
+                        </group>
+                    </h1>
+                </div>
+            </form>
+        </field>
+    </record>
+
+</odoo>