Estate task v19

addons/estate/__init__.py

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+from . import models

addons/estate/__manifest__.py

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+{
+    'name': 'Estate',
+    'author': 'Codoeh',
+    'license': 'LGPL-3',
+    'version': '1.0',
+    'category': 'Tutorials',
+    'depends': [
+        'base',
+    ],
+    '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',
+    ],
+}

addons/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

addons/estate/models/estate_property.py

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+from dateutil.relativedelta import relativedelta
+from odoo import api, exceptions, fields, models, tools
+
+
+class EstateProperty(models.Model):
+    _name = 'estate.property'
+    _description = "Estate Property"
+    _order = 'id desc'
+
+    name = fields.Char(required=True, string="Title")
+    active = fields.Boolean(default=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False,
+        default=lambda self: fields.Date.today() + relativedelta(months=3),
+        string="Available From",
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    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()
+    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'),
+        ],
+        required=True,
+        default='new',
+        copy=False,
+    )
+
+    property_type_id = fields.Many2one(
+        'estate.property.type', string="Property Type"
+    )
+    salesperson_id = fields.Many2one(
+        'res.users',
+        string='Salesman',
+        default=lambda self: self.env.user,
+        index=True,
+    )
+    buyer_id = fields.Many2one('res.partner', string="Buyer", copy=False)
+    tag_ids = fields.Many2many('estate.property.tag', string="Tags")
+    offer_ids = fields.One2many(
+        'estate.property.offer', 'property_id', string="Offers"
+    )
+
+    total_area = fields.Float(compute='_compute_total_area')
+    best_price = fields.Float(
+        compute='_compute_best_price', string="Best Offer"
+    )
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)', 'Expected price must be greater than 0.'
+    )
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)', 'Selling price must be at least 0.'
+    )
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price_logic(self):
+        for record in self:
+            if not tools.float_is_zero(
+                    record.selling_price, precision_digits=2
+            ):
+                if (
+                        tools.float_compare(
+                            record.selling_price,
+                            record.expected_price * 0.9,
+                            precision_digits=2,
+                        )
+                        == -1
+                ):
+                    raise exceptions.ValidationError(
+                        'Price must be greater than 90% of expected price.'
+                    )
+
+    @api.depends('living_area', 'garden_area', 'garden')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.living_area + (
+                record.garden_area if record.garden else 0
+            )
+
+    @api.depends('offer_ids.price')
+    def _compute_best_price(self):
+        for record in self:
+            prices = record.offer_ids.mapped('price')
+            record.best_price = max(prices) if prices else 0.0
+
+    @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 = None
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_state_in_new_cancelled(self):
+        for record in self:
+            if record.state not in ['new', 'cancelled']:
+                raise exceptions.UserError(
+                    "Cannot unlink property while "
+                    "state is different than new or cancelled."
+                )
+
+    def action_set_state_cancelled(self):
+        for record in self:
+            if record.state == 'sold':
+                raise exceptions.UserError(
+                    "Sold properties cannot be canceled."
+                )
+            else:
+                record.state = 'cancelled'
+        return True
+
+    def action_set_state_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise exceptions.UserError(
+                    "Cancelled properties cannot be sold."
+                )
+            else:
+                record.state = 'sold'
+        return True

addons/estate/models/estate_property_offer.py

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+from dateutil.relativedelta import relativedelta
+from odoo import api, exceptions, fields, models
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Estate Property Offer'
+    _order = 'price desc'
+
+    price = fields.Float(string='Price')
+    status = fields.Selection(
+        [
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ],
+        string='Status',
+        copy=False,
+    )
+    partner_id = fields.Many2one(
+        'res.partner', string='Partner', required=True
+    )
+    property_id = fields.Many2one(
+        'estate.property', string='Property', required=True, ondelete='cascade'
+    )
+
+    property_type_id = fields.Many2one(
+        'estate.property.type',
+        related='property_id.property_type_id',
+        string='Property Type',
+        store=True,
+    )
+
+    validity = fields.Integer(string='Validity (days)', default=7)
+    date_deadline = fields.Date(
+        string='Deadline',
+        compute='_compute_date_deadline',
+        inverse='_inverse_date_deadline',
+    )
+
+    _check_price = models.Constraint(
+        'CHECK(price > 0)', 'Offered price must be greater than 0.'
+    )
+
+    @api.depends('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            start_date = record.create_date or fields.Date.today()
+            start_date = fields.Date.to_date(start_date)
+            record.date_deadline = start_date + relativedelta(
+                days=record.validity
+            )
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            start_date = record.create_date or fields.Date.today()
+            start_date = fields.Date.to_date(start_date)
+            if record.date_deadline and start_date:
+                diff = record.date_deadline - start_date
+                record.validity = diff.days
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            property_record = self.env['estate.property'].browse(
+                vals['property_id']
+            )
+            if vals.get('price') <= property_record.best_price:
+                raise exceptions.UserError(
+                    'New offer must be higher than existing offers.'
+                )
+
+        offers = super().create(vals_list)
+
+        for record in offers:
+            if record.property_id.state == 'new':
+                record.property_id.state = 'offer_received'
+
+        return offers
+
+    def action_set_offer_status_accepted(self):
+        for record in self:
+            if record.property_id.state == 'offer_accepted':
+                raise exceptions.UserError('Only one offer can be accepted.')
+            else:
+                record.status = 'accepted'
+                record.property_id.buyer_id = record.partner_id
+                record.property_id.selling_price = record.price
+                record.property_id.state = 'offer_accepted'
+
+        return True
+
+    def action_set_offer_status_refused(self):
+        for record in self:
+            record.status = 'refused'
+        return True

addons/estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Property Tag'
+    _order = 'name'
+
+    name = fields.Char(string='Name', required=True)
+    color = fields.Integer()
+
+    _check_name = models.Constraint('UNIQUE(name)', 'Name must be unique.')

addons/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 = 'Property Type'
+    _order = 'sequence, name, id'
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer('Sequence', default=1, help='Sequence number')
+
+    _check_name = models.Constraint('UNIQUE(name)', 'Name must be unique.')
+
+    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(
+        string='Offer Count', compute='_compute_offer_count'
+    )
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

addons/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',
+        'salesperson_id',
+        string='Estate Properties',
+        domain="[('state', 'in', ['new', 'offer_received', 'offer_accepted'])]"
+    )

addons/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

addons/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_first_level_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action" />
+        </menuitem>
+        <menuitem id="estate_property_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>

addons/estate/views/estate_property_offer_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <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="New Offer">
+                <header>
+                    <button name="action_set_offer_status_accepted" type="object" string="Accept" icon="fa-check" />
+                    <button name="action_set_offer_status_refused" type="object" string="Refuse" icon="fa-times" />
+                </header>
+                <sheet>
+                    <group>
+                        <field name="price" />
+                        <field name="partner_id" />
+                        <field name="validity" />
+                        <field name="date_deadline" />
+                        <field name="status" />
+                    </group>
+                </sheet>
+            </form>
+        </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="Property Offers" editable="top" decoration-danger="status=='refused'"
+                  decoration-success="status=='accepted'">
+                <field name="price" />
+                <field name="partner_id" class="text-right" />
+                <field name="validity" />
+                <field name="date_deadline" />
+                <button name="action_set_offer_status_accepted" type="object" string="Accept" icon="fa-check"
+                        invisible="status" />
+                <button name="action_set_offer_status_refused" type="object" string="Refuse" icon="fa-times"
+                        invisible="status" />
+                <field name="status" column_invisible="True" />
+            </list>
+        </field>
+    </record>
+</odoo>