[ADD] real_estate: create two module real estate and account

.vscode/extensions.json

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+{
+    "recommendations": [
+        "esbenp.prettier-vscode"
+    ]
+}

estate_account/__init__.py

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+from . import models

estate_account/__manifest__.py

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+{
+    'name': "Account",
+    'version': '1.0',
+    'depends': ['base', 'estate_gasa', 'account'],
+    'author': "Author Name",
+    'category': 'Category',
+    "license": "LGPL-3",
+    "application": True,
+    "sequence": 1,
+    # 'data': [
+    #  'views/estate_property_views.xml',
+    # ],
+}

estate_account/models/__init__.py

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+from . import estate

estate_account/models/estate.py

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+from odoo import models, Command
+from odoo.exceptions import UserError
+
+
+class Estate(models.Model):
+    _inherit = 'estate.property'
+
+    def action_mark_sold(self):
+        res = super().action_mark_sold()
+
+        for record in self:
+            if not record.buyer:
+                raise UserError("Please set a Buyer before generating an invoice.")
+            if not record.selling_price:
+                raise UserError("Please set a Selling Price before generating an invoice.")
+
+            journal = self.env['account.journal'].search([('type', '=', 'sale')], limit=1)
+            if not journal:
+                raise UserError("No sale journal found. Please configure at least one sale journal.")
+
+            invoice_vals = {
+                "partner_id": record.buyer.id,
+                "move_type": "out_invoice",
+                "journal_id": journal.id,
+                "invoice_line_ids": [
+                    Command.create({
+                        "name": "6% Commission",
+                        "quantity": 1,
+                        "price_unit": 0.06 * record.selling_price,
+                    }),
+                    Command.create({
+                        "name": "Administrative Fees",
+                        "quantity": 1,
+                        "price_unit": 100.0,
+                    }),
+                ]
+            }
+
+            self.env["account.move"].create(invoice_vals)
+
+        return res

estate_gasa/__init__.py

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+from . import models

estate_gasa/__manifest__.py

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+{
+    'name': "estate",
+    'version': '1.0',
+    'depends': ['base'],
+    'author': "Author Name",
+    'category': 'Category',
+    "license": "LGPL-3",
+    "application": True,
+    "sequence": 1,
+    'data': [
+     'security/ir.model.access.csv',
+     'views/estate_property_views.xml',
+     'views/estate_property_offer_views.xml',
+     'views/estate_property_type_views.xml',
+     'views/estate_tag_views.xml',
+     'views/inherited_model.xml',
+     'views/estate_menus.xml',
+    ],
+}

estate_gasa/models/__init__.py

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+from . import estate
+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property_offer
+from . import inherited_model

estate_gasa/models/estate.py

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+from odoo import api, fields, models
+from datetime import date, timedelta
+from odoo.exceptions import UserError
+from odoo.exceptions import ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class Estate(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(required=True, default="Unknown")
+    description = fields.Text(string="Description")
+    postcode = fields.Char(string="Postcode")
+    expected_price = fields.Float()
+    bedrooms = fields.Integer(default=2)
+    last_seen = fields.Datetime("Last Seen", default=fields.Date.today)
+    date_availability = fields.Date(default=lambda self: date.today() + timedelta(days=90), copy=False)
+    active = fields.Boolean(default=True)
+    living_area = fields.Integer(string="Living Area")
+    facades = fields.Integer(string="Facades")
+    garden = fields.Boolean(string="Garage")
+    garden_area = fields.Integer(string="Garden Area")
+    garden_orientation = fields.Selection(
+        [
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West')
+        ],
+        string="Garden Orientation"
+    )
+    state = fields.Selection(
+    selection=[
+        ('new', 'New'),
+        ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('cancelled', 'Cancelled')
+        ],
+        default='new',
+        required=True,
+        copy=False
+    )
+    property_type = fields.Many2one("estate.property.type", string="Property Type")
+    buyer = fields.Many2one(
+        "res.partner",
+        string="Buyer",
+        copy=False
+    )
+    seller = fields.Many2one(
+        "res.users",
+        string="Salesperson",
+        default=lambda self: self.env.user
+    )
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offer_ids = fields.One2many(
+    "estate.property.offer", "property_id", string="Offers"
+    )
+    total_area = fields.Integer(
+        string="Total Area",
+        compute="_compute_total_area",
+        store=True
+    )
+
+    @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.Float(
+        string="Best Offer",
+        compute="_compute_best_price"
+    )
+    selling_price = fields.Float(copy=False)
+
+    @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 = False
+
+    def action_mark_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError("Canceled properties cannot be sold.")
+            record.state = 'sold'
+
+    def action_mark_cancelled(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError("Sold properties cannot be canceled.")
+            record.state = 'cancelled'
+
+    _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.constrains('selling_price', 'expected_price')
+    def _check_selling_price_threshold(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+
+            minimum_allowed = record.expected_price * 0.9
+
+            if float_compare(record.selling_price, minimum_allowed, precision_digits=2) < 0:
+                raise ValidationError(
+                    ("The selling price cannot be lower than 90%% of the expected price.\n"
+                    "Expected Price: %.2f, Selling Price: %.2f (Minimum allowed: %.2f)") %
+                    (record.expected_price, record.selling_price, minimum_allowed)
+                )
+
+    @api.ondelete(at_uninstall=False)
+    def _check_property_state_before_delete(self):
+        for record in self:
+            if record.state not in ['new', 'cancelled']:
+                raise UserError("You can only delete properties that are in 'New' or 'Cancelled' state.")

estate_gasa/models/estate_property_offer.py

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+from odoo import api, models, fields
+from odoo.exceptions import UserError, ValidationError
+from datetime import timedelta
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Property Offer"
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection([
+        ('accepted', 'Accepted'),
+        ('refused', 'Refused')
+        ],
+        copy=False
+    )
+
+    partner_id = fields.Many2one("res.partner", string="Customer", required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+
+    property_type_id = fields.Many2one(
+        related='property_id.property_type',
+        string="Property Type",
+        store=True
+    )
+
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+        store=True
+    )
+
+    @api.depends("validity", "create_date")
+    def _compute_date_deadline(self):
+        for record in self:
+            create_date = record.create_date or fields.Datetime.now()
+            record.date_deadline = create_date.date() + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            create_date = record.create_date or fields.Datetime.now()
+            record.validity = (record.date_deadline - create_date.date()).days
+
+    def action_accept(self):
+        for offer in self:
+            if offer.property_id.state == 'sold':
+                raise UserError("Cannot accept an offer for a sold property.")
+            other_offers = offer.property_id.offer_ids.filtered(lambda o: o.id != offer.id)
+            other_offers.write({'status': 'refused'})
+
+            offer.status = 'accepted'
+            offer.property_id.selling_price = offer.price
+            offer.property_id.buyer = offer.partner_id
+            offer.property_id.state = 'offer_accepted'
+
+    def action_refuse(self):
+        for offer in self:
+            offer.status = 'refused'
+
+    _sql_constraints = [
+        ('check_offer_price_positive', 'CHECK(price > 0)',
+         'The offer price must be strictly positive.'),
+    ]
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            property_id = vals.get('property_id')
+            amount = vals.get('price')
+
+            if property_id and amount:
+                existing_offers = self.search([
+                    ('property_id', '=', property_id),
+                    ('price', '>=', amount)
+                ])
+                if existing_offers:
+                    raise ValidationError("An offer with a higher or equal price already exists.")
+
+                property = self.env['estate.property'].browse(property_id)
+                if property.state == 'new':
+                    property.state = 'offer_received'
+
+        return super().create(vals_list)

estate_gasa/models/estate_property_tag.py

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+from odoo import models, fields
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real Estate Property Tag"
+    _order = "name"
+
+    name = fields.Char(required=True)
+    color = fields.Integer(string="Color")
+    sequence = fields.Integer(string="Sequence", default=10)
+
+    _sql_constraints = [
+    ('unique_tag_name', 'UNIQUE(name)',
+     'Tag name must be unique.'),
+    ]

estate_gasa/models/estate_property_type.py

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+from odoo import api, models, fields
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer(string="Sequence", default=10)
+    property_ids = fields.One2many("estate.property", "property_type", string="Properties")
+
+    _sql_constraints = [
+    ('unique_property_type_name', 'UNIQUE(name)',
+     'Property type name must be unique.'),
+    ]
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id', string="Offers")
+    offer_count = fields.Integer(compute='_compute_offer_count')
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for rec in self:
+            rec.offer_count = len(rec.offer_ids)

estate_gasa/models/inherited_model.py

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+from odoo import fields, models
+
+
+class InheritedModel(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "seller",
+        string="Properties",
+        domain=[('state', '!=', 'cancelled')]
+    )

estate_gasa/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_gasa/views/estate_menus.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Estate" />
+
+    <!-- Submenu: Advertisements-->
+    <menuitem id="estate_menu_properties" name="Application" parent="estate_menu_root" />
+    <menuitem id="estate_menu_property_action" name="Properties" action="estate_property_action"
+        parent="estate_menu_properties" />
+
+    <!-- Submenu: Settings -->
+    <menuitem id="estate_menu_settings" name="Settings" parent="estate_menu_root" />
+    <menuitem id="estate_menu_property_type" name="Property Types"
+        action="estate_property_type_action" parent="estate_menu_settings" />
+    <menuitem id="estate_menu_property_tag" name="Property Tags"
+        parent="estate_menu_settings" action="estate_property_tag_action" />
+</odoo>