[ADD] Real estate application

.gitignore

@@ -127,3 +127,16 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# Ruff linter
+ruff.toml
+
+# Pre-commit config files
+.pre-commit-config.yaml
+.pre-commit-hooks.yaml
+
+# Checkstyle file
+check-style
+
+# VS Code Config
+.vscode/

estate/__init__.py

@@ -0,0 +1 @@
+from . import models

estate/__manifest__.py

@@ -0,0 +1,22 @@
+{
+    'name': 'Real Estate',
+    'version': '1.9',
+    'category': 'Real Estates',
+    'summary': 'Manage real estate operations',
+    'author': 'Haroune Hassine',
+    'license': 'LGPL-3',
+    'depends': [
+        'base_setup',
+    ],
+    'application': True,
+    'installable': True,
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_menus.xml',
+        'views/res_users_views.xml',
+    ],
+}

estate/models/__init__.py

@@ -0,0 +1,7 @@
+from . import (
+    estate_property,
+    estate_property_offer,
+    estate_property_tag,
+    estate_property_type,
+    res_users,
+)

estate/models/estate_property.py

@@ -0,0 +1,120 @@
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+from odoo.tools.translate import _
+
+DEFAULT_GARDEN_AREA = 10
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property."
+    _order = "id desc"
+
+    active = fields.Boolean('Active', default=True)
+    name = fields.Char('Real Estate Name', required=True)
+    description = fields.Text('Description')
+    postcode = fields.Char('Postcode')
+    date_availability = fields.Date('Availability Date', copy=False, default=fields.Datetime.today() + relativedelta(months=+3))
+    expected_price = fields.Float('Expected Price', required=True)
+    selling_price = fields.Float('Selling Price', readonly=True, copy=False)
+    bedrooms = fields.Integer('Bedrooms', default=2)
+    living_area = fields.Integer('Living Area (sqm)')
+    facades = fields.Integer('Facades')
+    garage = fields.Boolean('Garage')
+    garden = fields.Boolean('Garden')
+    garden_area = fields.Integer('Garden Area (sqm)')
+    garden_orientation = fields.Selection(
+        string='Garden Orientation',
+        selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')],
+    )
+    state = fields.Selection(
+        string='State',
+        selection=[('new', 'New'), ('offer_received', 'Offer Received'), ('offer_accepted', 'Offer Accepted'), ('sold', 'Sold'), ('cancelled', 'Cancelled')],
+        required=True,
+        copy=False,
+        default='new',
+    )
+    total_area = fields.Integer(compute='_compute_total_area', string='Total Area (sqm)')
+    best_price = fields.Float(compute='_compute_best_price', string='Best Price')
+    sales_person_id = fields.Many2one('res.users', string='Salesman', index=True, default=lambda self: self.env.user)
+    buyer_id = fields.Many2one('res.partner', string='Buyer', copy=False, readonly=True, compute='_compute_buyer')
+    tag_ids = fields.Many2many('estate.property.tag', string='Tags')
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string='Offers')
+    type_id = fields.Many2one('estate.property.type', string='Type', required=True)
+
+    ## CONSTRATINS ##
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The expected price must be strictly positive.',
+    )
+
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)',
+        'The selling price must be positive.',
+    )
+
+    @api.constrains('expected_price', 'selling_price')
+    def _check_expected_vs_selling_price_ratio(self):
+        for property in self:
+            if any(offer.status == 'accepted' for offer in property.offer_ids):
+                if float_compare(property.selling_price, property.expected_price * 0.9, precision_digits=2) < 0:
+                    raise ValidationError(_('The selling price cannot be lower than 90 precent of the expected price: \n Selling Price: %s, Expected Price: %s') % (property.selling_price, property.expected_price))
+
+    @api.depends('offer_ids.price')
+    def _compute_selling_price(self):
+        for property in self:
+            property.selling_price = self.offer_ids.price
+
+    @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:
+            if record.offer_ids:
+                record.best_price = max(record.offer_ids.mapped('price'))
+            else:
+                record.best_price = 0.0
+
+    @api.depends('offer_ids.status')
+    def _compute_buyer(self):
+        for record in self:
+            for offer in record.offer_ids:
+                if offer.status == 'accepted':
+                    record.buyer_id = offer.partner_id
+                    return
+            record.buyer_id = None
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = DEFAULT_GARDEN_AREA
+            self.garden_orientation = 'north'
+        else:
+            self.garden_area = 0
+            self.garden_orientation = None
+
+    def action_cancel_property(self):
+        if self.state == 'sold':
+            raise UserError(_('Sold properties cannot be canceled.'))
+        self.state = 'cancelled'
+        for offer in self.offer_ids:
+            offer.status = None
+        return True
+
+    def action_sold_property(self):
+        if self.state == 'cancelled':
+            raise UserError(_('Cancelled properties cannot be sold.'))
+        self.state = 'sold'
+        return True
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_except_new_or_cancelled(self):
+        for record in self:
+            if record.state not in ('new', 'cancelled'):
+                raise UserError(_('You cannot delete a property unless its state is `New` or `Cancelled`.'))

estate/models/estate_property_offer.py

@@ -0,0 +1,72 @@
+from datetime import date
+
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.tools.translate import _
+
+
+class EstateProperOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Property Offer."
+    _order = "price desc"
+
+    price = fields.Float('Price')
+    status = fields.Selection(
+        string='Status',
+        selection=[('accepted', 'Accepted'), ('refused', 'Refused')],
+        copy=False,
+    )
+    validity = fields.Integer('Validity (days)', default=7)
+    date_deadline = fields.Date(compute='_compute_deadline', inverse='_inverse_deadline', string='Deadline')
+    partner_id = fields.Many2one('res.partner', required=True)
+    property_id = fields.Many2one('estate.property', required=True)
+    property_type_id = fields.Many2one(related='property_id.type_id')
+
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The offer price must be strictly positive.',
+    )
+
+    @api.depends('create_date', 'validity')
+    def _compute_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = record.create_date + relativedelta(days=+record.validity)
+            else:
+                record.date_deadline = date.today() + relativedelta(days=+record.validity)
+
+    def _inverse_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - record.create_date.date()).days
+
+    def action_accept(self):
+        if self.status != 'accepted':
+            for offer in self.property_id.offer_ids:
+                if offer.status == 'accepted':
+                    raise UserError(_('Only one offer can be accepted.'))
+            self.status = 'accepted'
+            self.property_id.selling_price = self.price
+            self.property_id.state = 'offer_accepted'
+        return True
+
+    def action_refuse(self):
+        self.status = 'refused'
+        if self.property_id.state != 'offer_accepted':
+            self.property_id.selling_price = None
+            self.property_id.state = 'offer_received'
+        return True
+
+    @api.model
+    def create(self, vals_list):
+        for vals in vals_list:
+            property_id = self.env['estate.property'].browse(vals['property_id'])
+            max_offer = 0
+            if property_id.offer_ids:
+                max_offer = max(offer for offer in property_id.offer_ids).price
+            if vals['price'] > max_offer:
+                self.env['estate.property'].browse(vals['property_id']).state = 'offer_received'
+            else:
+                raise UserError(_("You cannot add an offer with a price lower than the maximum existing price."))
+        return super().create(vals_list)

estate/models/estate_property_tag.py

@@ -0,0 +1,15 @@
+from odoo import fields, models
+
+
+class EstateProperTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Property Tag."
+    _order = "name"
+
+    name = fields.Char('Property Tag', required=True)
+    color = fields.Integer('Color')
+
+    _check_name = models.Constraint(
+        'UNIQUE(name)',
+        'The tag must be unique.',
+    )

estate/models/estate_property_type.py

@@ -0,0 +1,23 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Property Type."
+    _order = "sequence, name"
+
+    name = fields.Char('Property Type', required=True)
+    sequence = fields.Integer('Sequence', default=1, help="Used to order types. Lower is better.")
+    offer_count = fields.Integer('Offer Count', compute='_compute_offer_count')
+    property_ids = fields.One2many('estate.property', 'type_id')
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id')
+
+    _check_name = models.Constraint(
+        'UNIQUE(name)',
+        'The type must be unique.',
+    )
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for type in self:
+            type.offer_count = len(type.offer_ids)

estate/models/res_users.py

@@ -0,0 +1,7 @@
+from odoo import fields, models
+
+
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    property_ids = fields.One2many('estate.property', 'sales_person_id')

estate/security/ir.model.access.csv

@@ -0,0 +1,5 @@
+"id","name","model_id:id","group_id:id","perm_read","perm_write","perm_create","perm_unlink"
+"estate_property_model","estate_property_model","model_estate_property","base.group_user",1,1,1,1
+"estate_property_type_model","estate_property_type_model","model_estate_property_type","base.group_user",1,1,1,1
+"estate_property_tag_model","estate_property_tag_model","model_estate_property_tag","base.group_user",1,1,1,1
+"estate_property_offer_model","estate_property_offer_model","model_estate_property_offer","base.group_user",1,1,1,1

estate/views/estate_menus.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+
+<odoo>
+
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_properties" name="Advertisements">
+            <menuitem id="estate_property_model_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="settings" name="Settings">
+            <menuitem id="estate_property_type_model_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tags_model_menu_action" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_proprty_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</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.view.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list string="Channel" default_order="id desc" editable="bottom" decoration-danger="status == 'refused'" decoration-success="status == 'accepted'">
+                <field name="price"/>
+                <field name="partner_id" string='Partner'/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <field name="property_type_id" string="Property Type"/>
+                <button name="action_accept" title="Accept offer." type="object" icon="fa-check" invisible="status in ('accepted', 'refused')"/>
+                <button name="action_refuse" title="Refuse offer." type="object" icon="fa-times" invisible="status in ('accepted', 'refused')"/>            
+            </list>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_tag_views.xml

@@ -0,0 +1,20 @@
+<?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" default_order="name" editable="bottom">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+</odoo>