Onboarding Server framework 101

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': 'Customizations',
+    'description': """
+    This module is designed to manage real estate properties, including details such as property type, location, price, and status.
+
+    It allows users to easily track and organize their real estate assets, making it easier to manage and analyze their property portfolio.
+    """,
+    'installable': True,
+    'application': True,
+    'license': 'LGPL-3',
+    '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_menus.xml',
+    ],
+}

estate/models/__init__.py

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+from . import (estate_property, estate_property_offer, estate_property_tag,
+               estate_property_type)

estate/models/estate_property.py

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+from datetime import date
+from dateutil.relativedelta import relativedelta
+
+from odoo import _, api, exceptions, fields, models
+from odoo.tools import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property Model"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=lambda x: date.today() + relativedelta(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([
+        ('north', 'North'),
+        ('south', 'South'),
+        ('east', 'East'),
+        ('west', 'West'),
+    ])
+
+    property_type_id = fields.Many2one(
+        "estate.property.type", string="Property Type"
+    )
+    salesman_id = fields.Many2one(
+        "res.partner", string="Salesman", default=lambda self: self.env.user
+    )
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+
+    tag_ids = fields.Many2many("estate.property.tag")
+    offer_ids = fields.One2many(
+        "estate.property.offer", "property_id", string="Offers"
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection([
+        ('new', 'New'),
+        ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('cancelled', 'Cancelled'),
+    ], required=True, default='new')
+    sequence = fields.Integer(default=1)
+    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 be stricly positive.'
+    )
+
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)',
+        'The selling price must be stricly positive.'
+    )
+
+    @api.constrains('selling_price')
+    def _check_selling_price_py(self):
+        for record in self:
+            if not float_is_zero(record.selling_price, precision_digits=2)\
+                    and float_compare(record.selling_price,
+                                      record.expected_price * .9,
+                                      precision_digits=2) < 0:
+                raise exceptions.ValidationError(
+                    "The selling price can't be lower than 90%% of the expected price.")  # noqa: E501
+
+    @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:
+            record.best_price = max(record.offer_ids.mapped(
+                'price')) if record.offer_ids else None
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        self.garden_area = None
+        self.garden_orientation = None
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = 'north'
+
+    @api.onchange('offer_ids')
+    def _onchange_offer_ids(self):
+        if self.offer_ids and self.state == 'new':
+            self.state = 'offer_received'
+
+    def action_set_sold(self):
+        error = None
+        for record in self:
+            if record.state == 'cancelled':
+                error = _('Cancelled properties cannot be sold')
+                continue
+            record.state = 'sold'
+        if error:
+            raise exceptions.UserError(error)
+
+    def action_set_cancelled(self):
+        error = None
+        for record in self:
+            if record.state == 'sold':
+                error = _('Sold properties cannot be cancelled')
+                continue
+            record.state = 'cancelled'
+        if error:
+            raise exceptions.UserError(error)

estate/models/estate_property_offer.py

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+from datetime import date
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, exceptions, fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Property Offer Model"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection(
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ], copy=False
+    )
+    validity = fields.Integer(default=7)
+
+    partner_id = fields.Many2one("res.partner", required=True)
+    property_id = fields.Many2one("estate.property", required=True)
+    property_type_id = fields.Many2one(
+        related='property_id.property_type_id', stored=True
+    )
+    date_deadline = fields.Date(
+        compute='_compute_deadline_date', inverse='_inverse_deadline_date'
+    )
+
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The offer price must be stricly positive.'
+    )
+
+    @api.depends('validity')
+    def _compute_deadline_date(self):
+        for record in self:
+            record.date_deadline = (record.create_date or date.today()) + relativedelta(
+                days=record.validity
+            )
+
+    def _inverse_deadline_date(self):
+        for record in self:
+            start_date = (
+                record.create_date.date() if record.create_date else date.today()
+            )
+
+            record.validity = (record.date_deadline - start_date).days
+
+    def action_accept(self):
+        for record in self:
+            if any(
+                offer.status == "accepted" and record.id != offer.id
+                for offer in record.property_id.offer_ids
+            ):
+                raise exceptions.UserError(
+                    'A property can only have one accpeted Offer')
+            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_refuse(self):
+        for record in self:
+            record.status = 'refused'
+            record.property_id.selling_price = None
+            record.property_id.buyer_id = None

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = "Real Estate Property Tag Model"
+    _order = 'name'
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _check_unique_name = models.Constraint(
+        'UNIQUE(name)',
+        'Tag name must 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 = "Real Estate Property Type Model"
+    _order = 'name'
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many(
+        'estate.property', 'property_type_id', string="Properties"
+    )
+    offer_ids = fields.One2many(
+        'estate.property.offer', 'property_type_id', string="Offers"
+    )
+    offer_count = fields.Integer(compute='_compute_offer_count')
+
+    _check_unique_name = models.Constraint(
+        'UNIQUE(name)',
+        'Type name must be unique.'
+    )
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids or [])

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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+<?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_settings_menu"
+            name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tags_menu_action" action="estate_property_tags_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+        <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>
+            <field name="domain">[('property_type_id', '=', active_id)]</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 string="Offers" editable="bottom"
+                    decoration-danger="status == 'refused'"
+                    decoration-success="status == 'accepted'"
+                >
+                    <field name="price"/>
+                    <field name="partner_id"/>
+                    <field name="validity"/>
+                    <field name="date_deadline" string="Deadline"/>
+                    <button name="action_accept" string="Accpet" invisible="status" type="object"
+                        icon="fa-check"/>
+                    <button name="action_refuse" string="Refuse" invisible="status" type="object"
+                        icon="fa-close"/>
+                </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" string="Deadline"/>
+                            <field name="status"/>
+                        </group>
+                    </sheet>
+                </form>
+            </field>
+        </record>
+    </data>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <data>
+
+        <record id="estate_property_tags_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="Tag">
+                    <sheet>
+                        <div class="oe_title mb-4">
+                            <h1>
+                                <field name="name" placeholder="e.g. Cozy"/>
+                            </h1>
+                        </div>
+                        <group>
+                            <field name="color" widget="color_picker"/>
+                        </group>
+                    </sheet>
+                </form>
+            </field>
+        </record>
+
+        <record id="estate_property_tag_view_list" 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="Tags" editable="bottom">
+                    <field name="name"/>
+                    <field name="color" widget="color_picker"/>
+                </list>
+            </field>
+        </record>
+    </data>
+</odoo>