Do Server Framework 101 Tutorial

.vscode/settings.json

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+{
+    "python.languageServer": "None"
+}

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'],
+    'application': True,
+    'data': [
+        'security/ir.model.access.csv',
+        'views/res_users_view.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_views.xml',
+        'views/estate_menus.xml',
+    ],
+    'author': 'odoo',
+    'license': 'AGPL-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
+from . import res_users

estate/models/estate_property.py

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+from odoo import api, fields, models
+from dateutil.relativedelta import relativedelta
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools import float_compare
+
+
+class Property(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Properties"
+    _order = "id desc"
+
+    name = fields.Char(string='Title', required=True)
+
+    description = fields.Text()
+
+    postcode = fields.Char()
+
+    date_availability = fields.Date('Available From', copy=False, default=(fields.Date.today() + relativedelta(months=3)))
+
+    expected_price = fields.Float(required=True)
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The Expected Price must be strictly positive'
+    )
+
+    selling_price = fields.Float(readonly=True, copy=False)
+
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price > 0)',
+        'The Selling Price must be strictly positive'
+    )
+
+    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(
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('west', 'West'),
+            ('east', 'East'),
+        ],
+    )
+
+    active = fields.Boolean(default=True)
+
+    state = fields.Selection(
+        string='Status',
+        selection=[
+            ('new', 'New'),
+            ('received', 'Offer Received'),
+            ('accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled'),
+        ],
+        required=True,
+        copy=False,
+        default="new"
+    )
+
+    property_type_id = fields.Many2one(comodel_name="estate.property.type")
+
+    salesman_id = fields.Many2one(comodel_name="res.users", default=lambda self: self.env.uid)
+
+    buyer_id = fields.Many2one(comodel_name="res.partner", copy=False)
+
+    tag_ids = fields.Many2many(comodel_name="estate.property.tag")
+
+    offer_ids = fields.One2many(comodel_name="estate.property.offer", inverse_name="property_id")
+
+    total_area = fields.Integer(compute="_compute_total_area", string="Total Area (sqm)")
+
+    best_offer = fields.Float(compute="_compute_best_offer")
+
+    @api.depends('garden_area', 'living_area')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.garden_area + record.living_area
+
+    @api.depends('offer_ids.price')
+    def _compute_best_offer(self):
+        for record in self:
+            record.best_offer = record.offer_ids[0]['price'] if record.offer_ids else 0
+
+    @api.onchange('garden')
+    def _change_garden_fields(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = 'north'
+        else:
+            self.garden_area = None
+            self.garden_orientation = None
+
+    def _get_accepted_offers(self):
+        return self.offer_ids.filtered(lambda offer: offer.status == 'accepted')
+
+    @api.constrains('expected_price', 'selling_price')
+    def _constraint_expected_selling_price(self):
+        for record in self:
+            if record.offer_ids and float_compare(record.expected_price * 0.9, record.selling_price, precision_digits=2) > 0:
+                raise ValidationError(record.env._("Selling price must be at least %d%% of the expected price", 90))
+
+    @api.ondelete(at_uninstall=False)
+    def _prevent_deletion_of_new_or_cancelled_properties(self):
+        for record in self:
+            if record.state in {"new", "cancelled"}:
+                raise UserError(self.env._("Cannot delete this property because it is 'New' or 'Cancelled'"))
+
+    def _accept_offer(self, offer):
+        self.ensure_one()
+        if self._get_accepted_offers():
+            return False
+
+        self.state = 'accepted'
+        self.selling_price = offer.price
+        self.buyer_id = offer.partner_id
+
+        return True
+
+    def action_set_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError(record.env._('Cancelled properties cannot be sold'))
+
+            record.state = 'sold'
+
+        return True
+
+    def action_set_cancelled(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError(record.env._('Sold properties cannot be cancelled'))
+
+            record.state = 'cancelled'
+
+        return True

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+from dateutil.relativedelta import relativedelta
+from odoo.exceptions import UserError
+
+
+class PropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Property Offers"
+    _order = "price desc"
+
+    price = fields.Float()
+
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The Offer Price must be strictly positive'
+    )
+
+    status = fields.Selection(
+        selection=[
+            ('new', 'New'),
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ],
+        copy=False,
+        default='new',
+    )
+
+    partner_id = fields.Many2one(comodel_name='res.partner', required=True)
+
+    property_id = fields.Many2one(comodel_name='estate.property', required=True)
+
+    property_type_id = fields.Many2one(related='property_id.property_type_id', store=True)
+
+    validity = fields.Integer(string='Validity (days)', default=7)
+
+    date_deadline = fields.Date(string='Deadline', compute='_compute_deadline', inverse='_inverse_total')
+
+    def _get_create_date(self, record):
+        return fields.Date.to_date(record.create_date) or fields.Date.today()
+
+    @api.depends('validity')
+    def _compute_deadline(self):
+        for record in self:
+            record.date_deadline = self._get_create_date(record) + relativedelta(days=record.validity)
+
+    def _inverse_total(self):
+        for record in self:
+            record.validity = (record.date_deadline - self._get_create_date(record)).days
+
+    def action_accept(self):
+        for record in self:
+            if record.status == 'refused':
+                raise UserError(self.env._("Cannout accept an offer that has been refused"))
+
+            if not record.property_id._accept_offer(self):
+                raise UserError(self.env._("Another offer is already accepted"))
+
+            record.status = 'accepted'
+
+        return True
+
+    def action_refuse(self):
+        for record in self:
+            if record.status == 'accepted':
+                raise UserError(self.env._("Cannout refuse an offer that has been accepted"))
+
+            record.status = 'refused'
+
+        return True
+
+    @api.model
+    def create(self, vals_list):
+        for val in vals_list:
+            property = self.env['estate.property'].browse(val['property_id'])
+
+            if property.state == "new":
+                property.state = "received"
+
+            price = val['price']
+            max_price = property.offer_ids[0]['price'] if property.offer_ids else -1
+
+            if max_price > price:
+                raise UserError(self.env._("New offer price must be greater or equal than %d", max_price))
+
+        return super().create(vals_list)

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class PropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real Estate Property Tags"
+    _order = "name"
+
+    name = fields.Char(required=True)
+
+    color = fields.Integer()
+
+    _uniq_name = models.Constraint(
+        'unique(name)',
+        'The name must be unique',
+    )

estate/models/estate_property_type.py

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+from odoo import api, fields, models
+
+
+class PropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Real Estate Property Types"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer('Sequence', default=1)
+
+    _uniq_name = models.Constraint(
+        'unique(name)',
+        'The name must be unique',
+    )
+
+    property_ids = fields.One2many(comodel_name="estate.property", inverse_name="property_type_id")
+
+    offer_ids = fields.One2many(comodel_name="estate.property.offer", inverse_name="property_type_id")
+
+    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/res_users.py

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+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        comodel_name="estate.property",
+        inverse_name="salesman_id",
+        domain=[("state", "in", ["new", "received"])]
+    )

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
+estate_property_access_right_user,estate_property_access_right,model_estate_property,base.group_user,1,1,1,1
+estate_property_type_access_right_user,estate_property_type_access_right,model_estate_property_type,base.group_user,1,1,1,1
+estate_property_tag_access_right_user,estate_property_tag_access_right,model_estate_property_tag,base.group_user,1,1,1,1
+estate_property_offer_access_right_user,estate_property_offer_access_right,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_menu_advertisements" name="Advertisements" sequence="1">
+            <menuitem id="estate_property_menu_action" action="estate_property_action" />
+        </menuitem>
+
+        <menuitem id="estate_menu_settings" name="Settings" sequence="2">
+            <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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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">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_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="Create Offer">
+                <sheet>
+                    <group>
+                        <group>
+                            <field name="price" />
+                            <field name="partner_id"/>
+                            <field name="validity"/>
+                            <field name="date_deadline"/>
+                            <field name="status"/>
+                        </group>
+                    </group>
+                </sheet>
+            </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 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'/>
+                <field name='property_type_id'/>
+                <button name="action_accept" string="Confirm" type="object" icon="fa-check" invisible="status != 'new'"/>
+                <button name="action_refuse" string="Refuse" type="object" icon="fa-times" invisible="status != 'new'"/>
+            </list>
+        </field>
+    </record>
+</odoo>