Technical Training - alnav

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real Estate",
+    "version": "1.0",
+    "depends": ["base"],
+    "author": "Odoo S.A.",
+    "category": "Productivity",
+    "description": """
+    Our brand new real estate app!
+    """,
+    "application": True,
+    "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_menus.xml",
+    ],
+    "license": "OPL-1",
+}

estate/models/__init__.py

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

estate/models/estate_property.py

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+from datetime import datetime
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+
+
+class Property(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property"
+
+    name = fields.Char("Property Name", required=True)
+    description = fields.Text("Property Description")
+    postcode = fields.Char("Postcode")
+
+    date_availability = fields.Date("Available Date", copy=False, default=lambda _x: datetime.now() + relativedelta(months=+3))
+
+    expected_price = fields.Float("Expected Price")
+    selling_price = fields.Float("Selling Price", copy=False, readonly=True)
+    best_price = fields.Float("Best offer", compute="_compute_best_price")
+
+    bedrooms = fields.Integer("Number of Bedrooms", default=2)
+    living_area = fields.Integer("Living Area")
+    facades = fields.Integer("Number of Facades")
+
+    has_garage = fields.Boolean("Has a Garage")
+    has_garden = fields.Boolean("Has a Garden")
+    garden_area = fields.Integer("Garden Area")
+    garden_orientation = fields.Selection(
+        string="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+
+    state = fields.Selection(
+        string="Property State",
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        default="new",
+    )
+
+    total_area = fields.Integer("Total Area", compute="_compute_total_area")
+
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    seller_id = fields.Many2one("res.users", string="Seller", default=lambda self: self.env.user)
+
+    tags_ids = fields.Many2many("estate.property.tag", string="Property Tags")
+
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+
+    active = fields.Boolean(default=True)
+
+    _check_expected_price = models.Constraint("CHECK(expected_price > 0)", "Expected price must be greater than zero")
+    _check_selling_price = models.Constraint("CHECK(selling_price >= 0)", "Selling price must be greater or equal to zero")
+
+    @api.constrains("expected_price", "selling_price")
+    def _check_selling_price_proportion(self):
+        for record in self:
+            if record.selling_price == 0:
+                continue  # 0 means no offer accepted
+
+            if float_compare(record.selling_price, 0.9 * record.expected_price, 2) < 0:
+                raise ValidationError(message="Selling price must be at least 90 percent of expected price")
+
+    def action_mark_as_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError(message="Can't sell a cancelled auction.")
+
+            record.state = "sold"
+
+        return True
+
+    def action_cancel_selling(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError(message="Can't cancel a sold auction.")
+
+            record.state = "cancelled"
+
+        return True
+
+    @api.depends("offer_ids")
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(record.offer_ids.mapped("price"), default=0.0)
+
+    @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.onchange("has_garden")
+    def _onchange_has_garden(self):
+        if self.has_garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+            return
+
+        self.garden_area = 0
+        self.garden_orientation = ""

estate/models/estate_property_offer.py

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+from datetime import datetime, timedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class PropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Offer on a Real Estate Property"
+
+    price = fields.Float("Price")
+    status = fields.Selection(
+        string="Status",
+        copy=False,
+        selection=[
+            ("accepted", "Accepted"),
+            ("refused", "Refused"),
+        ],
+    )
+
+    validity = fields.Integer("Validity (in days)", default=7)
+
+    date_deadline = fields.Date("Deadline", compute="_compute_date_deadline", inverse="_inverse_date_deadline")
+
+    partner_id = fields.Many2one("res.partner", string="Made by", required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+
+    _check_price = models.Constraint("CHECK(price > 0)", "Offered price must be greater than zero")
+
+    def action_accept_offer(self):
+        for record in self:
+            linked_property = record.property_id
+            states = linked_property.offer_ids.mapped("status")
+
+            if "accepted" in states:
+                raise UserError(message="An offer was already accepted")
+
+            if linked_property.state == "cancelled":
+                raise UserError(message="Can't accept offers on cancelled auctions")
+
+            record.status = "accepted"
+            linked_property.selling_price = record.price
+            linked_property.buyer_id = record.partner_id
+            linked_property.state = "sold"
+
+        return True
+
+    def action_reject_offer(self):
+        for record in self:
+            record.status = "refused"
+
+        return True
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            offer_date = record.create_date
+            if not offer_date:
+                offer_date = datetime.now()
+
+            record.date_deadline = offer_date.date() + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            offer_date = record.create_date
+            if not offer_date:
+                offer_date = datetime.now()
+            record.validity = (record.date_deadline - offer_date.date()).days

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class PropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real Estate Property Tag"
+
+    name = fields.Char("Tag", required=True)
+
+    _check_name = models.Constraint("UNIQUE(name)", "Tag already exists")

estate/models/estate_property_type.py

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+from odoo import fields, models
+
+
+class PropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Real Estate Property Type"
+
+    name = fields.Char(string="Type", 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_user,access_estate_property_user,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type_user,access_estate_property_type_user,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag_user,access_estate_property_tag_user,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer_user,access_estate_property_offer_user,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_main_menu" name="Real_Estate">
+        <menuitem id="estate_menu_open_advertisements" name="Advertisements">
+            <menuitem id="estate_property_trigger_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_menu_open_settings" name="Settings">
+            <menuitem id="estate_app_property_type_trigger_action" action="estate_property_type_action"/>
+            <menuitem id="estate_app_property_tag_trigger_action" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</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>
+</odoo>

estate/views/estate_property_type_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property Types</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>

estate/views/estate_property_views.xml

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+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_property_view_search" model="ir.ui.view">
+        <field name="name">Property Lookup</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <search string="Properties">
+                <field name="name"/>
+                <field name="postcode"/>
+                <field name="expected_price"/>
+                <field name="bedrooms"/>
+                <field name="living_area"/>
+                <field name="facades"/>
+                <separator/>
+                <filter name="active" string="Available" domain="[('active', '=', True)]"/>
+                <filter name="active" string="New" domain="[('state', 'in', ('new','offer_received'))]"/>
+                <group>
+                    <filter name="postcode" string="Postcode" context="{'group_by':'postcode', 'residual_visible':True}"/>
+                </group>
+            </search>
+        </field>
+    </record>
+
+    <record id="estate_property_view_list" model="ir.ui.view">
+        <field name="name">Properties</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <list string="Properties">
+                <field name="name"/>
+                <field name="postcode"/>
+                <field name="bedrooms"/>
+                <field name="living_area"/>
+                <field name="expected_price"/>
+                <field name="selling_price"/>
+                <field name="date_availability"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_view_form" model="ir.ui.view">
+        <field name="name">Properties</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <form string="Property">
+                <header>
+                    <button name="action_mark_as_sold" type="object" string="Sold"/>
+                    <button name="action_cancel_selling" type="object" string="Cancel"/>
+                </header>
+                <sheet>
+                    <h1><field name="name"/></h1>
+                    <group>
+                        <field name="tags_ids" nolabel="1" widget="many2many_tags"/>
+                    </group>
+
+                    <group>
+                        <group>
+                            <field name="state"/>
+                            <field name="property_type_id"/>
+                            <field name="postcode"/>
+                            <field name="date_availability"/>
+                        </group>
+                        <group>
+                            <field name="expected_price"/>
+                            <field name="selling_price"/>
+                            <field name="best_price"/>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page string="Information">  
+                            <group>
+                                <field name="description"/>
+                            </group>
+                            <group>
+                                <field name="bedrooms"/>
+                            </group>
+                            <group>
+                                <field name="living_area"/>
+                            </group>
+                            <group>
+                                <field name="facades"/>
+                            </group>
+                            <group>
+                                <field name="has_garage"/>
+                            </group>
+                            <group>
+                                <field name="has_garden"/>
+                            </group>
+                            <group>
+                                <field name="garden_area"/>
+                            </group>
+                            <group>
+                                <field name="garden_orientation"/>
+                            </group>
+                            <group>
+                                <field name="total_area"/>
+                            </group>
+                        </page>
+                        <page string="Offers">
+                            <field name="offer_ids" nolabel="1">
+                                <list>
+                                    <field name="price"/>
+                                    <field name="partner_id"/>
+                                    <field name="status"/>
+                                    <field name="validity"/>
+                                    <field name="date_deadline"/>
+                                    <button name="action_accept_offer" string="Accept" type="object" icon="fa-check"/>
+                                    <button name="action_reject_offer" string="Reject" type="object" icon="fa-times"/>
+                                </list>
+                            </field>
+                        </page>
+                        <page string="Other">
+                            <group>
+                                <field name="buyer_id"/>
+                            </group>
+                            <group>
+                                <field name="seller_id"/>
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_action" model="ir.actions.act_window">
+        <field name="name">Properties</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>