[TRAINING] Getting Started Odoo Tutorial

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+{
+    'name': "estate",
+    'version': '1.0',
+    'depends': ['base'],
+    'author': "Clément Cardot (cacl)",
+    'license': "LGPL-3",
+    'description': """
+        A new app to learn the Odoo framework
+    """,
+
+    '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/res_users_views.xml',
+        'views/estate_menus.xml',
+    ],
+
+    'application': True,
+}

estate/models/__init__.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property
+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 api, fields, models, exceptions
+from odoo.tools import relativedelta
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+DEFAULT_GARDEN_AREA = 10
+
+
+class EstateProperty(models.Model):
+
+    def _get_default_date_availability(self):
+        return fields.Date.today() + relativedelta(months=3)
+
+    _name = "estate.property"
+    _description = "Real Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(string="Title", required=True)
+    description = fields.Text()
+    active = fields.Boolean(default=True)
+    state = fields.Selection([
+        ('new', 'New'),
+        ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('canceled', 'Canceled')
+    ], default='new', required=True, copy=False)
+
+    tag_ids = fields.Many2many('estate.property.tag', string="Tags")
+    property_type_id = fields.Many2one('estate.property.type', string="Property Type")
+    salesman_id = fields.Many2one('res.users', string="Salesman", default=lambda self: self.env.user)
+    buyer_id = fields.Many2one('res.partner', string="Buyer", copy=False)
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string="Offers")
+
+    postcode = fields.Char(string="Postcode")
+    date_availability = fields.Date(string="Available From", default=_get_default_date_availability, copy=False)
+    expected_price = fields.Float(string="Expected Price", required=True)
+    selling_price = fields.Float(string="Selling Price", readonly=True, copy=False)
+
+    bedrooms = fields.Integer(string="Bedrooms", default=2)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer(string="Facades")
+    garage = fields.Boolean(string="Garage")
+    garden = fields.Boolean(string="Garden")
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection([
+        ('north', 'North'),
+        ('south', 'South'),
+        ('east', 'East'),
+        ('west', 'West')
+    ])
+
+    total_area = fields.Integer(string="Total Area (sqm)", compute="_compute_total_area")
+    best_price = fields.Float(string="Best Offer", compute="_compute_best_price")
+
+    _sql_constraints = [
+        ('check_expected_price_positive', 'CHECK(expected_price > 0)', 'The expected price must be strictly positive'),
+        ('check_selling_price_positive', 'CHECK(selling_price >= 0)', 'The 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.price')
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(record.mapped('offer_ids.price'), default=0)
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if not self.garden:
+            self.garden_area = 0
+            self.garden_orientation = False
+        else:
+            self.garden_area = DEFAULT_GARDEN_AREA
+            self.garden_orientation = 'north'
+
+    def action_cancel(self):
+        self.ensure_one()
+
+        if self.state == 'sold':
+            raise exceptions.UserError("Sold properties cannot be canceled!")
+
+        return self.write({'state': 'canceled'})
+
+    def action_sold(self):
+        self.ensure_one()
+
+        if self.state == 'canceled':
+            raise exceptions.UserError("Canceled properties cannot be sold!")
+
+        return self.write({'state': 'sold'})
+
+    def accept_offer(self, price, partner_id):
+        self.ensure_one()
+        self.selling_price = price
+        self.buyer_id = partner_id
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(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 * 0.9, precision_digits=2) == -1:
+                raise exceptions.ValidationError("The selling price cannot be lower than 90% of the expected price.")
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_only_new_or_sold(self):
+        for record in self:
+            if record.state not in ['new', 'sold']:
+                raise exceptions.UserError("You cannot delete a property that is not new or sold.")
+        return super()

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 api, fields, models, exceptions
+from odoo.tools import relativedelta
+from odoo.tools.float_utils import float_compare
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Property Offer"
+    _order = "price desc"
+
+    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)
+    property_type_id = fields.Many2one(related='property_id.property_type_id', store=True)
+
+    validity = fields.Integer(string="Offer Validity (days)", default=7)
+    date_deadline = fields.Date(string="Deadline", compute="_compute_deadline_date", inverse="_inverse_deadline_date")
+
+    _sql_constraints = [
+        ('check_price_positive', 'CHECK(price > 0)', 'The price must be strictly positive.')
+    ]
+
+    @api.depends('validity', 'create_date')
+    def _compute_deadline_date(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.to_date(record.create_date) + relativedelta(days=record.validity)
+            else:
+                record.date_deadline = fields.Date.today() + relativedelta(days=record.validity)
+
+    def _inverse_deadline_date(self):
+        for record in self:
+            if record.create_date:
+                record.validity = (record.date_deadline - fields.Date.to_date(record.create_date)).days
+            else:
+                record.validity = (record.date_deadline - fields.Date.today()).days
+
+    def action_accept(self):
+        self.ensure_one()
+
+        if self.property_id.offer_ids.filtered(lambda r: r.status == 'accepted'):
+            raise exceptions.UserError("Another offer is already accepted on this property.")
+
+        self.property_id.accept_offer(self.price, self.partner_id)
+        return self.write({'status': 'accepted'})
+
+    def action_refuse(self):
+        self.ensure_one()
+        return self.write({'status': 'refused'})
+
+    @api.model_create_multi
+    def create(self, values):
+        best_price = self.env['estate.property'].browse(values[0]['property_id']).best_price
+        records = super().create(values)
+
+        for record in records:
+            if float_compare(record.price, best_price, 2) == -1:
+                raise exceptions.UserError("The price of your offer should not be lower than the best offer.")
+
+            record.property_id.state = 'offer_received'
+
+        return records

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 = "Real Estate Property Tag"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    _sql_constraints = [
+        ('name_unique', 'unique (name)', "Tag name already exists!"),
+    ]

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 api, fields, models
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Real Estate Property Type"
+    _order = "name"
+    sequence = fields.Integer('Sequence', default=1, help="used to order property types")
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many('estate.property', 'property_type_id', string="Property Types")
+    offers_ids = fields.One2many('estate.property.offer', 'property_type_id', string="Offers")
+    offer_count = fields.Integer(string="Nb. Offers", compute="_compute_offer_count")
+
+    _sql_constraints = [
+            ('name_unique', 'unique (name)', "Type name already exists!"),
+        ]
+
+    @api.depends('offers_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offers_ids)

estate/models/res_users.py

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+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import fields, models
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many('estate.property', 'salesman_id', domain=[('state', 'in', ('new', 'offer_received'))], string="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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+<?xml version="1.0"?>
+<odoo>
+
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_advertisement_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" name="Properties" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" name="Property Types" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" name="Property Tags" 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_action" model="ir.actions.act_window">
+        <field name="name">Property Offers</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">tree,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.tree</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <tree editable="bottom" decoration-success="status == 'accepted'" decoration-danger="status == 'refused'">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_accept" type="object" icon="fa-check" invisible="status"/>
+                <button name="action_refuse" type="object" icon="fa-times" invisible="status"/>
+                <field name="status" column_invisible="True"/>
+            </tree>
+        </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="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0"?>
+<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">tree,form</field>
+    </record>
+
+    <record id="estate_property_tag_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.tag.tree</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <tree editable="bottom">
+                <field name="name"/>
+                <field name="color"/>
+            </tree>
+        </field>
+    </record>
+
+</odoo>