ngtpn - Technical Training

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Real Estate',
+    'license': 'LGPL-3',
+    'version': '1.0',
+    'depends': ['base'],
+    'author': 'Odoo S.A.',
+    'category': 'Category',
+    'description': """
+    Real Estate Advertisement module
+    """,
+    'application': True,
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_user_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
+from . import estate_user

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_is_zero, float_compare
+
+
+class EstateProperty(models.Model):
+    _name = 'estate.property'
+    _description = 'All properties'
+    _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)
+    best_price = fields.Float(compute='_compute_best_price')
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer()
+    garden_area = fields.Integer()
+    total_area = fields.Integer(compute='_compute_total_area')
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_orientation = fields.Selection(
+        string='Garden orientation',
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West'),
+        ],
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string='State',
+        required=True,
+        default='new',
+        selection=[
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled'),
+        ],
+        )
+    property_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='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')
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The expected price of a property should be strictly positive.',
+    )
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)',
+        'The selling price of a property should be positive.',
+    )
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for record in self:
+            living_area = record.living_area or 0
+            garden_area = record.garden_area or 0
+            record.total_area = living_area + garden_area
+
+    @api.depends('offer_ids')
+    def _compute_best_price(self):
+        for record in self:
+            offers = record.offer_ids or []
+            record.best_price = max(offers.mapped('price')) if len(offers) else 0
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = 'north'
+        else:
+            self.garden_area = None
+            self.garden_orientation = None
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(self):
+        for record in self:
+            if (
+                not float_is_zero(record.selling_price, 2)
+                and float_compare(record.selling_price, record.expected_price * 0.90, 2) < 0
+            ):
+                raise ValidationError("Selling price cannot be lower than 90% of expected price")
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_new_or_cancelled(self):
+        for record in self:
+            if record.state not in ['new', 'cancelled']:
+                raise UserError(f"Can't delete property in {record.state} state")
+
+    def action_mark_as_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError('Property is already cancelled')
+
+            record.state = 'sold'
+
+    def action_mark_as_cancelled(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError('Property is already sold')
+
+            record.state = 'cancelled'

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'All offers'
+    _order = 'price desc'
+
+    price = fields.Float(required=True)
+    status = fields.Selection(
+        string='Status',
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ],
+    )
+    partner_id = fields.Many2one('res.partner', string='Partner')
+    property_id = fields.Many2one('estate.property', string='Property')
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(compute='_compute_deadline', inverse="_inverse_deadline")
+    property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+
+    _check_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The price of an offer should be strictly positive.',
+    )
+
+    @api.depends('create_date', 'validity')
+    def _compute_deadline(self):
+        for record in self:
+            created_date = record.create_date or fields.Date.today()
+            record.date_deadline = fields.Date.add(
+                created_date, days=record.validity,
+            )
+
+    @api.model
+    def create(self, val_lists):
+        for vals in val_lists:
+            linked_property = self.env['estate.property'].browse(vals['property_id'])
+            if vals['price'] < linked_property.best_price:
+                raise UserError('Offer price cannot be lower than existing offers')
+
+            linked_property.state = 'offer_received'
+        return super().create(val_lists)
+
+    def _inverse_deadline(self):
+        for record in self:
+            created_date = record.create_date.date() or fields.Date.today()
+            record.validity = (record.date_deadline - created_date).days
+
+    def action_mark_as_accepted(self):
+        for record in self:
+            if (
+                record.property_id.state != 'new'
+                and record.property_id.state != 'offer_received'
+            ):
+                raise UserError('Cannot accept offer in this state')
+
+            record.status = 'accepted'
+            record.property_id.selling_price = record.price
+            record.property_id.buyer_id = record.partner_id
+            record.property_id.state = 'offer_accepted'
+
+    def action_mark_as_refused(self):
+        for record in self:
+            if record.status == 'accepted':
+                record.property_id.state = 'offer_received'
+                record.property_id.selling_price = None
+                record.property_id.buyer_id = None
+            record.status = 'refused'

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'All property tags'
+    _order = 'name asc'
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _check_unique_name = models.Constraint(
+        'unique (name)',
+        'The name of a tag should be unique.',
+    )

estate/models/estate_property_type.py

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+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = 'estate.property.type'
+    _description = 'All property types'
+    _order = 'name asc'
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many(
+        'estate.property', 'property_type_id', string="Properties",
+    )
+    sequence = fields.Integer('Sequence', default=1, help="Used to order property types.")
+    offer_ids = fields.One2many(
+        'estate.property.offer', 'property_type_id', string="Offers",
+    )
+    offer_count = fields.Integer(compute="_compute_offer_count")
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

estate/models/estate_user.py

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+from odoo import fields, models
+
+
+class EstateUser(models.Model):
+    _inherit = 'res.users'
+
+    property_ids = fields.One2many(
+        'estate.property', 'salesperson_id', string='Real Estate Properties',
+    )

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="menu_root" name="Real Estate">
+        <menuitem id="advertisement" name="Advertisement">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="settings" 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_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_view_tree" 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"
+                editable="bottom"
+                decoration-success="status == 'accepted'"
+                decoration-danger="status == 'refused'"
+            >
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity" string="Validity (days)"/>
+                <field name="date_deadline" string="Deadline"/>
+                <button
+                    name="action_mark_as_accepted"
+                    type="object"
+                    icon="fa-check"
+                    title="accept"
+                    invisible="status"
+                />
+                <button
+                    name="action_mark_as_refused"
+                    type="object"
+                    icon="fa-times"
+                    title="refuse"
+                    invisible="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="Property Offer">
+                <sheet>
+                    <group>
+                        <group>
+                            <field name="property_id"/>
+                        </group>
+                        <group>
+                            <field name="partner_id"/>
+                        </group>
+                        <group>
+                            <field name="price"/>
+                        </group>
+                        <group>
+                            <field name="status"/>
+                        </group>
+                        <group>
+                            <field name="validity" string="Validity (days)"/>
+                        </group>
+                        <group>
+                            <field name="date_deadline" string="Deadline"/>
+                        </group>
+                    </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_tree" 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 string="Property Types" editable="bottom">
+                <field name="name"/>
+                <field name="color" widget="color_picker"/>
+            </list>
+        </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>
+                    <group>
+                        <field name="name"/>
+                    </group>
+                    <group>
+                        <field name="color" widget="color_picker"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>