First module created

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Estate",
+    "summary": """
+        test
+    """,
+    "description": """
+        test
+    """,
+    "author": "covey",
+    "website": "",
+    "category": "Tutorials",
+    "version": "19.0.0.1.0",
+    "application": True,
+    "installable": True,
+    "depends": [
+        "base",
+        ],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/res_users_views.xml",
+        "views/estate_property_offer_views.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_tag_views.xml",
+        "views/estate_property_views.xml",
+        "views/estate_menus.xml"
+    ],
+    "license": "AGPL-3",
+}

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
+from . import res_users

estate/models/estate_property.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+from odoo import fields, models, api
+from odoo.exceptions import ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Property"
+    _order = "id desc"
+
+    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()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        string="Garden orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+        help="this is used to indicated the garden orientation",
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string="State",
+        selection=[
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        help="indicates the state of the property ad",
+    )
+    estate_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    salesperson_id = fields.Many2one("res.users", string="Sales Person")
+    tag_ids = fields.Many2many("estate.property.tag")
+    offer_ids = fields.One2many("estate.property.offer", "property_id")
+    total_area = fields.Float(compute="_compute_total")
+
+    _check_expected_price_positive = models.Constraint(
+        "CHECK(expected_price >= 0)", "The expected price must be positive."
+    )
+    _check_selling_price_positive = models.Constraint(
+        "CHECK(selling_price >= 0)", "The selling price must be positive."
+    )
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        for record in self:
+            if record.garden:
+                record.garden_area = 10
+                record.garden_orientation = "north"
+            else:
+                record.garden_area = 0
+                record.garden_orientation = None
+
+    def action_cancel_sale(self):
+        for record in self:
+            record.state = "cancelled"
+
+    def action_mark_as_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise ValidationError("Cancelled properties cannot be sold.")
+            record.state = "sold"
+
+    @api.constrains("expected_price")
+    def _check_expected_price(self):
+        for record in self:
+            if float_is_zero(record.expected_price, precision_digits=2):
+                raise ValidationError("Expected price must be greater than zero.")
+
+    @api.constrains("selling_price")
+    def _check_selling_price(self):
+        for record in self:
+            if (
+                float_compare(
+                    record.selling_price,
+                    record.expected_price * 0.9,
+                    precision_digits=2,
+                )
+                < 0
+            ):
+                raise ValidationError(
+                    "Selling price cannot be lower than 90%of expected price!"
+                )
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_user_inactive(self):
+        if any(record.state not in ("new", "cancelled") for record in self):
+            raise ValidationError(
+                "Can't delete an opportunity that is neither New or Cancelled."
+            )

estate/models/estate_property_offer.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+from odoo import fields, models, api
+from odoo.exceptions import ValidationError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Property Offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    state = fields.Selection(
+        string="State",
+        selection=[("accepted", "Accepted"), ("refused", "Refused")],
+        help="State of the offer",
+        copy=False,
+    )
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    property_type_id = fields.Many2one(
+        "estate.property.type", related="property_id.estate_type_id", store=True
+    )
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="_compute_deadline", inverse="_inverse_deadline"
+    )
+
+    @api.depends("validity")
+    def _compute_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.add(
+                    record.create_date, days=record.validity
+                )
+            else:
+                record.date_deadline = fields.Date.add(
+                    fields.Date.today(), days=record.validity
+                )
+
+    def _inverse_deadline(self):
+        for record in self:
+            diff = int((record.date_deadline - fields.Date.today()).days)
+            record.validity = diff
+
+    _check_offer_price_positive = models.Constraint(
+        "CHECK(price > 0)", "The offer price must be positive."
+    )
+
+    def action_accept_offer(self):
+        for record in self:
+            record.state = "accepted"
+            record.property_id.selling_price = record.price
+            record.property_id.buyer_id = record.partner_id
+            record.property_id.state = "sold"
+
+            for offer in record.property_id.offer_ids:
+                if offer.id != record.id:
+                    offer.state = "refused"
+        return True
+
+    def action_refuse_offer(self):
+        for record in self:
+            record.state = "refused"
+        return True
+
+    @api.model
+    def create(self, vals_list):
+        current_property = self.env["estate.property"].browse(
+            vals_list[0]["property_id"]
+        )
+        if current_property.state not in {"new", "offer_received"}:
+            error_message = (
+                "The sale is closed and no offer can be added for this property"
+            )
+            raise ValidationError(error_message)
+        current_offers = current_property.offer_ids
+        if len(current_offers) > 0:
+            best_offer_price = max(offer.price for offer in current_offers)
+            feedback_buffer = []
+            for new_offer in vals_list:
+                if new_offer["price"] < best_offer_price:
+                    feedback_buffer.append(str(new_offer["price"]))
+            if len(feedback_buffer) > 0:
+                error_message = (
+                    f"The following offer prices are lower than the current best price ({best_offer_price}) and can't therefor not be added:\n - "
+                    + "\n - ".join(feedback_buffer)
+                )
+                raise ValidationError(error_message)
+        current_property.state = "offer_received"
+        return super().create(vals_list)

estate/models/estate_property_tag.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Property Tag"
+    _order = "name"
+
+    _check_name_unique = models.Constraint(
+        "UNIQUE(name)", "The tag name must be unique."
+    )
+
+    name = fields.Char(required=True)
+    color = fields.Integer("Color")

estate/models/estate_property_type.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+from odoo import fields, models, api
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Property Type"
+    _order = "name"
+
+    _check_name_unique = models.Constraint(
+        "UNIQUE(name)", "The property type name must be unique."
+    )
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many(
+        "estate.property", "estate_type_id", string="Properties"
+    )
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+    offer_count = fields.Integer(compute="_compute_offer_count")
+    sequence = fields.Integer(
+        "Sequence", default=1, help="Used to order stages. Lower is better."
+    )
+
+    @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",
+        "salesperson_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,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/tests/__init__.py

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+from . import test_estate_property

estate/tests/test_estate_property.py

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+from odoo.exceptions import ValidationError
+from odoo.tests import TransactionCase
+from odoo import Command
+
+
+class TestEstateProperty(TransactionCase):
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.estate = cls.env['estate.property'].create({
+            'name': 'Super test estate',
+            'expected_price': 100000.0,
+            'state': 'new',
+        })
+        cls.test_partner = cls.env['res.partner'].create({
+            'name': 'Maman ours',
+        })
+
+    def test_estate_best_price(self):
+        '''
+        Ensure best price is correctly updated when an offer is received.
+        '''
+        self.assertEqual(self.estate.best_price, 0.0)
+        self.estate.offer_ids = [Command.create({
+            'price': 125000.0,
+            'partner_id': self.test_partner.id,
+        })]
+        self.assertEqual(self.estate.best_price, 125000.0)
+
+    def test_accept_offer_south_facing_garden(self):
+        '''
+        Ensure offers for estates with south-facing gardens can only be accepted if above expected
+        price.
+        '''
+        self.estate.expected_price = 500000
+        self.estate.offer_ids = [Command.create({
+            'price': 475000.0,
+            'partner_id': self.test_partner.id,
+        })]
+        with self.assertRaises(ValidationError):
+            self.estate.offer_ids.accept_offer()

estate/views/estate_menus.xml

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+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="test_menu_root" name="Estate">
+        <menuitem id="advertisements_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="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

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.property.offer.view.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list string="Channel">
+                <field name="price"/>
+                <field name="partner_id" string="Partner"/>
+                <field name="state"/>
+            </list>
+            </field>
+    </record>
+
+    <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_action_view" model="ir.actions.act_window">
+        <field name="name">Property view offer </field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>