19.0 tutorial yacha

estate/__init__.py

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+from . import models
+from . import wizard

estate/__manifest__.py

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+{
+    "name": "Real Estate",
+    "version": "1.0",
+    "author": "Odoo S.A.",
+    "depends": ["base"],
+    "application": True,
+    "category": "Tutorials",
+    "installable": 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_property_offer_wizard_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 dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property"
+
+    @api.model
+    def _default_date_availability(self):
+        return fields.Date.today() + relativedelta(months=3)
+
+    active = fields.Boolean(default=True)
+    name = fields.Char(required=True, default="Unknown")
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(copy=False, default=_default_date_availability)
+    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(
+        [
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ]
+    )
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        string="State",
+        required=True,
+        copy=False,
+        default="new",
+    )
+    property_type_id = fields.Many2one("estate.property.type")
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    salesperson_id = fields.Many2one(
+        "res.users", string="Salesperson", default=lambda self: self.env.user
+    )
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    total_area = fields.Integer(compute="_compute_total_area")
+    best_price = fields.Float(compute="_compute_best_price")
+
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price >= 0)",
+        "The expected price must not be a negative value!",
+    )
+
+    _check_selling_price = models.Constraint(
+        "CHECK(selling_price > 0)",
+        "The selling price must not be a negative value!",
+    )
+
+    @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_price(self):
+        for record in self:
+            if record.offer_ids:
+                record.best_price = max(record.offer_ids.mapped("price"))
+            else:
+                record.best_price = 0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = ""
+
+    def action_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError("Cancelled Property cannot be Sold")
+            record.state = "sold"
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("Sold Property cannot be Cancelled")
+            record.state = "cancelled"

estate/models/estate_property_offer.py

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+from dateutil.relativedelta import relativedelta
+from odoo import models, fields, api
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+
+    price = fields.Float()
+    status = fields.Selection(
+        [("accepted", "Accepted"), ("refused", "Refused")], copy=False
+    )
+
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="compute_date_deadline", inverse="inverse_date_deadline"
+    )
+
+    _check_price = models.Constraint("CHECK(price > 0)", "Price must be positive")
+
+    @api.depends("validity", "create_date")
+    def compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = record.create_date.date() + relativedelta(
+                    days=record.validity
+                )
+            else:
+                record.date_deadline = False
+
+    def inverse_date_deadline(self):
+        for record in self:
+            if record.create_date and record.date_deadline:
+                record.validity = (
+                    record.date_deadline - record.create_date.date()
+                ).days
+
+    def action_accept(self):
+        self.ensure_one()
+        accepted_offer = self.env["estate.property.offer"].search(
+            [
+                ("property_id", "=", self.property_id.id),
+                ("status", "=", "accepted"),
+                ("id", "!=", self.id),
+            ],
+            limit=1,
+        )
+
+        if accepted_offer:
+            return {
+                "type": "ir.actions.act_window",
+                "name": "Accept Offer",
+                "res_model": "estate.property.offer.wizard",
+                "view_mode": "form",
+                "target": "new",
+                "context": {"default_offer_id": self.id},
+            }
+
+        self.status = "accepted"
+        self.property_id.selling_price = self.price
+        self.property_id.buyer_id = self.partner_id
+
+    def action_refuse(self):
+        for record in self:
+            record.status = "refused"
+            record.property_id.selling_price = 0.0
+            record.property_id.buyer_id = None

estate/models/estate_property_tag.py

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+from odoo import models, fields
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real Estate Property Tag"
+
+    name = fields.Char(required=True)
+
+    _unique_name = models.Constraint(
+        "UNIQUE(name)",
+        "The name of the property tag must be unique",
+    )

estate/models/estate_property_type.py

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+from odoo import models, fields
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Real Estate Property Type"
+
+    name = fields.Char(required=True)
+
+    _unique_name = models.Constraint(
+        "UNIQUE(name)",
+        "The name of the property type must 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_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1
+access_estate_property_offer_wizard_user,access.estate.property.offer.wizard.user,model_estate_property_offer_wizard,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_property_type_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
+                id="estate_property_offer_menu_action"
+                action="estate_property_offer_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_action"
+        model="ir.actions.act_window">
+            <field name="name">Property Offer</field>
+            <field name="res_model">estate.property.offer</field>
+            <field name="view_mode">list,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>
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <field name="property_id"/>
+                <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="property_id"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_offer_wizard_views.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+
+    <record id="estate_property_offer_wizard_view_form" model="ir.ui.view">
+
+        <field name="name">estate.property.offer.wizard.form</field>
+        <field name="model">estate.property.offer.wizard</field>
+        <field name="arch" type="xml">
+            <form string="Confirmation">
+
+                <div>
+                    Another offer is already accepted for this property.
+                    Do you want to replace it?
+                </div>
+
+                <footer>
+                    <button
+                        name="action_keep_previous"
+                        string="Keep Previous"
+                        type="object"
+                        class="btn-secondary"
+                    />
+
+                    <button
+                        name="action_accept_new"
+                        string="Accept New"
+                        type="object"
+                        class="btn-primary"
+                    />
+                </footer>
+            </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 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" encoding="utf-8"?>
+<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>