Functional Training - Estate module

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Real Estate',
+    'summary': """
+        Real estate"
+    """,
+    'description': """
+        Descrption"
+    """,
+    'author': 'Antonio',
+    'category': 'Tutorials',
+    'version': '1.0',
+    'application': True,
+    'installable': True,
+    'depends': ['base'],
+    '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',
+    ],
+    'license': 'LGPL-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

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, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate properties"
+
+    name = fields.Char('Title', required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        string='Available From',
+        copy=False,
+        default=lambda _: 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')])
+    total_area = fields.Integer(string='Total area (sqm)', compute="_compute_total_area")
+    state = fields.Selection(
+        string='Status',
+        required=True,
+        copy=False,
+        default='new',
+        selection=[
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_acepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled')])
+    active = fields.Boolean(default=True)
+    property_type_id = fields.Many2one("estate.property.type", string="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")
+    best_price = fields.Float(string="Best Offer", compute="_compute_best_offer")
+
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)", "Expected Price must be strictly positive.")
+    _check_selling_price_positive = models.Constraint(
+        "CHECK(selling_price >= 0)", "Selling Price must be positive.")
+
+    @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")
+    def _compute_best_offer(self):
+        for record in self:
+            record.best_price = max(record.offer_ids.mapped('price')) if record.offer_ids else 0
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            if not self.garden_area:
+                self.garden_area = 10
+            if not self.garden_orientation:
+                self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = None
+
+    @api.constrains('selling_price')
+    def _check_selling_price_90_percent(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+            if float_compare(record.expected_price * 0.9, record.selling_price, precision_digits=2) > 0:
+                raise ValidationError("The selling price must be at least 90% of the expected price! You must reduce the expected price if you want to accept this offer.")
+
+    def action_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError("Canceled properties cannot be sold.")
+            else:
+                record.state = "sold"
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("Sold properties cannot be canceled.")
+            else:
+                record.state = "cancelled"
+        return True

estate/models/estate_property_offer.py

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+from datetime import date, timedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate property offer"
+
+    price = fields.Float()
+    status = fields.Selection(copy=False, 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(string="Validity (days)", default=7)
+    date_deadline = fields.Date(string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline")
+
+    _check_price = models.Constraint("CHECK(price > 0)", "Offer price must be strictly positive.")
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            start_date = record.create_date or date.today()
+            record.date_deadline = start_date + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            start_date = record.create_date.date() if record.create_date else date.today()
+            date_dif = record.date_deadline - start_date
+            record.validity = date_dif.days
+
+    def action_accept_offer(self):
+        for record in self:
+            if any(offer.status == 'accepted' for offer in record.property_id.offer_ids):
+                raise UserError("An offer for this property has already been accepted.")
+            else:
+                record.status = 'accepted'
+                record.property_id.selling_price = record.price
+                record.property_id.buyer_id = record.partner_id
+        return True
+
+    def action_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"
+
+    name = fields.Char('Tag', required=True)
+
+    _check_name = models.Constraint("UNIQUE(name)", "Tag name must be unique.")

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"
+
+    name = fields.Char('Type', required=True)
+
+    _check_name = models.Constraint("UNIQUE(name)", "Property type name 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

estate/views/estate_menus.xml

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+<odoo>
+    <menuitem id="estate_menu_root" name="Real 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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+<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 string="Offers">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_accept_offer" title="Accept" type="object" icon="fa-check"/>
+                <button name="action_refuse_offer" title="Refuse" 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 string="Offer">
+                <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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+<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>
+
+    <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>
+                    <div class="oe_title">
+                        <h1 class="mb16">
+                            <field name="name"/>
+                        </h1>
+                    </div>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_type_views.xml

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+<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>
+
+    <record id="estate_property_type_view_form" model="ir.ui.view">
+        <field name="name">estate.property.type.form</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <form string="Property type">
+                <sheet>
+                    <div class="oe_title">
+                        <h1 class="mb16">
+                            <field name="name"/>
+                        </h1>
+                    </div>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>