18.0 training csan

.vscode/settings.json

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

estate/__init__.py

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+from . import models
+from . import security

estate/__manifest__.py

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+{
+    'name' : "Real Estate",
+    'depends' : ['base'],
+    'application': True,
+    'data' : [
+        'security/ir.model.access.csv',
+        'views/estate_property_offer.xml',
+        'views/estate_property_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag.xml',
+        'views/estate_property_users_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 res_users

estate/models/estate_property.py

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+from odoo import api, fields, models
+from datetime import date
+from dateutil.relativedelta import relativedelta
+from odoo.exceptions import UserError
+
+class EstateProperty(models.Model):
+    _name = "estate_property"
+    _description = "estate property description"
+    _order = "id desc"
+
+    name = fields.Char('Estate Name', required=True)
+
+    property_type_id = fields.Many2one('estate_property_type', string='Property type')
+    partner_id = fields.Many2one('res.partner', string='Buyer')
+    users_id = fields.Many2one('res.users', string='Salesman', default=lambda self: self.env.user)
+
+    tags_ids = fields.Many2many('estate_property_tag', string='Tags')
+
+
+    offers_ids = fields.One2many('estate_property_offer', 'property_id', string='Offers')
+
+    total_area = fields.Integer(compute="_compute_total_area")
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    best_price = fields.Integer(compute="_compute_best_price")
+
+    @api.depends("offers_ids.price")
+    def _compute_best_price(self):
+        for record in self:
+            best_price = 0
+
+            for offer in record.offers_ids:
+                best_price = max(best_price, offer.price)
+
+            record.best_price = best_price
+
+
+    active = fields.Boolean('Active', default=True)
+    description = fields.Text('Description')
+    postcode = fields.Char('Postcode')
+    date_availability = fields.Date('Availability', copy=False, default=fields.Date.today() +  relativedelta(month=4))
+    expected_price = fields.Float('Expected Price', required=True)
+    selling_price = fields.Float('Selling Price', readonly=True, copy=False)
+    bedrooms = fields.Integer('Number of Bedrooms', default=2)
+    living_area = fields.Integer('Living Area')
+    facades = fields.Integer('Number of Facades')
+    garage = fields.Boolean('Garage')
+    garden = fields.Boolean('Garden')
+    garden_area = fields.Integer('Garden Area')
+    garden_orientation = fields.Selection(
+        selection=[
+            ('north', 'North'), 
+            ('south', 'South'), 
+            ('east', 'East'), 
+            ('west', 'West')])
+
+    state = fields.Selection(
+        selection=[
+            ('new', 'New'), 
+            ('offer received', 'Offer Received'), 
+            ('offer accepted', 'Offer Accepted'), 
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled')], default="new", required=True, copy=False)
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area=10
+            self.garden_orientation="north"
+        else:
+            self.garden_area=0
+            self.garden_orientation=False
+
+    def sold_button_action(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError('Cancelled property cannot be sold')
+            record.state = "sold"
+
+    def cancel_button_action(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError('Sold property cannot be cancelled')
+            record.state = "cancelled"
+
+    @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"You cannot delete the property {record.name} unless its state is 'New' or 'Cancelled'.'")
+
+    _sql_constraints = [
+        ('check_positive_price', 'CHECK(expected_price >= 0)',
+         'The expected price of a real estate should always be positive'),
+         ('check_positive_selling_price', 'CHECK(selling_price >= 0)',
+         'The selling price of a real estate should always be positive')
+    ]

estate/models/estate_property_offer.py

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+from odoo import api, fields, models
+from datetime import timedelta
+from odoo.exceptions import UserError, ValidationError
+
+class OfferModel(models.Model):
+    _name = "estate_property_offer"
+    _description = "estate property offer"
+    _order = "price desc"
+
+    price = fields.Float('Price')
+    status = fields.Selection(
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+            ('pending', 'Pending')
+        ]
+    )
+    partner_id = fields.Many2one('res.partner', string='Offeror')
+    property_id = fields.Many2one('estate_property', string='property')
+
+    validity = fields.Integer('Validity (days)', default=7)
+    date_deadline = fields.Date('Date_deadline', compute="_compute_deadline", inverse="_inverse_deadline")
+
+    property_type_id = fields.Many2one(related='property_id.property_type_id', store=True)
+
+    @api.depends("validity")
+    def _compute_deadline(self):
+        for record in self:
+            if record.validity:
+                record.date_deadline = fields.Date.today() + timedelta(days=record.validity)
+
+    def _inverse_deadline(self):
+        for record in self:
+            if record.date_deadline:
+                date_deadline = record.date_deadline
+                today = fields.Date.today()
+                record.validity = (date_deadline - today).days
+
+    def action_accept_offer(self):
+        for record in self:
+            if record.property_id.state == "offer accepted":
+                raise UserError('An Offer has already been accepted for this property')
+            record.property_id.state = "offer accepted"
+            record.property_id.partner_id = record.partner_id
+            if record.price < record.property_id.expected_price * 0.9:
+                raise ValidationError("The price cannot be lower than 90% of the expcted price")
+            record.property_id.selling_price = record.price
+
+        record.status = 'accepted'
+
+    def action_refuse_offer(self):
+        for record in self:
+            record.property_id.partner_id = False  
+            record.property_id.selling_price = 0.0 
+
+        record.status = 'refused'
+
+    @api.model
+    def create(self, vals):
+        property_id = vals.get('property_id')
+
+        property_record = self.env['estate_property'].browse(property_id)
+
+        if property_record:
+            property_record.state = 'offer received'
+
+        new_offer_price = None
+
+        if 'price' in vals:
+            new_offer_price = vals['price']
+
+        if new_offer_price is not None:
+            existing_offers = self.env['estate_property_offer'].search([
+                ('property_id', '=', property_id),
+                ('price', '>=', new_offer_price)
+            ])
+
+        if existing_offers:
+                raise UserError(f"The new offer price ({new_offer_price}) is lower than an existing offer.")
+
+        return super().create(vals)
+
+
+
+    _sql_constraints = [
+        ('check_positive_offer', 'CHECK(price >= 0)',
+         'The offer for a real estate should always be positive')
+    ]

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+class TagModel(models.Model):
+    _name = "estate_property_tag"
+    _description = "estate property tag"
+    _order = "name"
+
+    name = fields.Char('Property Tags', required=True)
+    color = fields.Integer("Color", default=0)
+
+    _sql_constraints = [
+        ('check_tag_uniqueness', 'UNIQUE(name)',
+         'The new tag should be unique')
+    ]
+

estate/models/estate_property_type.py

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+from odoo import fields, models, api
+
+class EstatePropertyType(models.Model):
+    _name = "estate_property_type"
+    _description = "estate property type"
+    _order = "sequence, name"
+
+    name = fields.Char('Property Types', required=True)
+
+    property_ids = fields.One2many('estate_property', 'property_type_id', string='Properties')
+    sequence = fields.Integer('Sequence', default=1, help="Used to order types. Lower is better.")
+
+    offer_ids = fields.One2many('estate_property_offer', 'property_type_id', string='offers')
+
+    offer_count = fields.Integer(string='Offer Count', compute='_compute_offer_count', store=True)
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)
+
+
+    _sql_constraints = [
+        ('check_type_uniqueness', 'UNIQUE(name)',
+         'The new property type should be unique')
+    ]

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('estate_property', 'users_id', string="Properties", domain=[('state', '=', 'available')])

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.access_estate_property,access_estate_property,estate.model_estate_property,base.group_user,1,1,1,1
+estate.access_estate_property_type,access_estate_property_type,estate.model_estate_property_type,base.group_user,1,1,1,1
+estate.access_estate_property_tag,access_estate_property_tag,estate.model_estate_property_tag,base.group_user,1,1,1,1
+estate.access_estate_property_offer,access_estate_property_offer,estate.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="test_menu_root" name="Real Estate">
+        <menuitem id="estate_first_level_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_type_first_level_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.xml

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+<?xml version="1.0"?>
+
+<odoo>
+    <data>
+        <record id="estate_property_offer_view_list" model="ir.ui.view">
+            <field name="name">estate.property.offer.view.list</field>
+            <field name="model">estate_property_offer</field>
+            <field name="arch" type="xml">
+                <list string="Channel" editable="bottom">
+                    <field name="price" width="200px"/>
+                    <field name="partner_id" width="200px"/>
+                    <button name="action_accept_offer" string="Accept Offer" type="object" icon="fa-thumbs-up" class="btn-primary" invisible="status == 'accepted' or status == 'refused'"/>
+                    <button name="action_refuse_offer" string="Refuse Offer" type="object" icon="fa-times" class="btn-danger" invisible="status == 'refused' or status == 'accepted'"/>
+                    <field name="validity"/>
+                    <field name="date_deadline"/>
+                    <field name="status"/>
+                    <field name="property_type_id"/>
+                </list>
+            </field>
+        </record>
+
+        <record id="estate_property_offer_view_form" model="ir.ui.view">
+            <field name="name">estate.property.offer.view.form</field>
+            <field name="model">estate_property_offer</field>
+            <field name="arch" type="xml">
+                <form string="Test">
+                    <sheet>
+                        <group>
+                            <field name="price"/>
+                            <field name="partner_id"/>
+                            <button name="action_accept_offer" string="Accept Offer" type="object" icon="fa-thumbs-up" class="btn-primary" invisible="status == 'accepted' or status == 'refused'"/>
+                            <button name="action_refuse_offer" string="Refuse Offer" type="object" icon="fa-times" class="btn-danger" invisible="status == 'refused' or status == 'accepted'"/>
+                            <field name="validity"/>
+                            <field name="date_deadline"/>
+                            <field name="status"/>
+
+                        </group>
+
+                    </sheet>
+                </form>
+            </field>
+        </record>
+
+        <record id="estate_property_offer_action" model="ir.actions.act_window">
+            <field name="name">Estate Property Offer Action</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> 
+            <field name="context">{'search_default_property_type_id': active_id}</field>
+        </record>
+
+    </data>
+</odoo>

estate/views/estate_property_tag.xml

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+<?xml version="1.0"?>
+
+<odoo>
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name"> Estate property tag action</field>
+        <field name="res_model">estate_property_tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+            <field name="name">estate.property.tag.view.list</field>
+            <field name="model">estate_property_tag</field>
+            <field name="arch" type="xml">
+                <list string="Channel" editable="bottom">
+                    <field name="name" width="200px"/>
+                </list>
+            </field>
+        </record>
+</odoo>