18.0 training prbo

estate_account/__init__.py

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+from . import models

estate_account/__manifest__.py

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+{
+    'name': 'Estate Account',
+    'version': '1.0',
+    'sequence': 2,
+    'depends': ['base', 'real_estate', 'account'],
+    'category': 'Real Estate',
+    'author': 'prbo',
+    'summary': 'Invoice integration with Real Estate',
+    'description': 'Creates an invoice when a property is sold.',
+    'license': 'LGPL-3',
+    'data': [],
+    'installable': True,
+    'application': False,
+    'auto_install': False,
+}

estate_account/models/__init__.py

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+from . import estate_property

estate_account/models/estate_property.py

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+from odoo import models, Command
+from odoo.exceptions import UserError
+
+
+class EstateProperty(models.Model):
+    _inherit = "estate.property"
+
+    def action_sold(self):
+        journal = self.env['account.journal'].search([
+            ('type', '=', 'sale'),
+        ], limit=1)
+
+        if not journal:
+            raise UserError("No sales journal found!")
+
+        for property in self:
+            if not property.buyer:
+                raise UserError("Buyer is required to create invoice.")
+
+            selling_price = property.selling_price
+            service_fee = selling_price * 0.06
+
+            invoice_vals = {
+                'partner_id': property.buyer.id,
+                'move_type': 'out_invoice',
+                'journal_id': journal.id,
+                'invoice_line_ids': [
+                    Command.create({
+                        'name': "Service Fees (6%)",
+                        'quantity': 1,
+                        'price_unit': service_fee,
+                    }),
+                    Command.create({
+                        'name': "Administrative Fees",
+                        'quantity': 1,
+                        'price_unit': 100.00,
+                    }),
+                ],
+            }
+
+            self.env['account.move'].create(invoice_vals)
+
+        return super().action_sold()

real_estate/__init__.py

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+from . import models

real_estate/__manifest__.py

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+{
+    'name': "RealEstate",
+    'version': '1.0',
+    'author': "prbo",
+    'license': 'LGPL-3',
+    'category': 'Real Estate',
+    'sequence': 1,
+    'application': True,
+    'depends': ['base'],
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_offer_view.xml',
+        'views/estate_property_type_view.xml',
+        'views/estate_property_views.xml',
+        'views/estate_property_tag_view.xml',
+        'views/estate_menus.xml',
+        'views/res_users_views.xml',
+    ],
+}

real_estate/data/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_user,access.estate.property,model_estate_property,base.group_user,1,1,1,1

real_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

real_estate/models/estate_property.py

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+from odoo import fields, models, api
+from datetime import date, timedelta
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Test Model"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        string="Available From",
+        copy=False,
+        default=lambda self: date.today() + timedelta(days=90)
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    best_price = fields.Float(compute="_compute_best_price")
+
+    bedrooms = fields.Integer(default=2)
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    living_area = fields.Float()
+    garden_area = fields.Float()
+    total_area = fields.Float(compute="_compute_total_area")
+
+    garden_orientation = fields.Selection(
+        string='Garden Orientation',
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West')
+        ],
+        help="Direction of the garden"
+    )
+
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        selection=[
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled')
+        ],
+        required=True,
+        copy=False,
+        default='new'
+    )
+
+    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")
+
+    _sql_constraints = [
+        ('check_expected_price_positive', 'CHECK(expected_price > 0)', 'Expected price must be strictly positive.'),
+        ('check_selling_price_positive', 'CHECK(selling_price >= 0)', 'Selling price must be zero or positive.')
+    ]
+
+    @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:
+            record.best_price = max(record.offer_ids.mapped("price"), default=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_sold(self):
+        for record in self:
+            if record.state in ['sold', 'cancelled']:
+                raise UserError("You cannot sell a cancelled or already sold property.")
+            if not record.buyer_id:
+                raise UserError("Please assign a buyer before marking the property as sold.")
+            record.state = 'sold'
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.state in ['sold', 'cancelled']:
+                raise UserError("You cannot cancel a sold or already cancelled property.")
+            record.state = 'cancelled'
+        return True
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price_margin(self):
+        for record in self:
+            if float_compare(record.selling_price, 0.0, precision_digits=2) > 0:
+                min_acceptable_price = 0.9 * record.expected_price
+                if float_compare(record.selling_price, min_acceptable_price, precision_digits=2) < 0:
+                    raise ValidationError("Selling price cannot be lower than 90% of the expected price.")
+
+    @api.ondelete(at_uninstall=False)
+    def _check_property_state_on_delete(self):
+        for record in self:
+            if record.state not in ['new', 'cancelled']:
+                raise UserError("Only properties with state 'New' or 'Cancelled' can be deleted.")

real_estate/models/estate_property_offer.py

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

real_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(required=True)
+    color = fields.Integer(string="Color")
+    sequence = fields.Integer(string="10")
+
+    _sql_constraints = [
+        ('unique_tag_name', 'UNIQUE(name)', 'Tag name must be unique.')
+    ]

real_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 = "Property Type"
+    _order = "sequence, name"
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer(default=10)
+
+    _sql_constraints = [
+        ('unique_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(
+        string="Offer Count",
+        compute="_compute_offer_count"
+    )
+
+    property_ids = fields.One2many(
+        "estate.property",
+        "property_type",
+        string="Properties"
+    )
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

real_estate/models/res_users.py

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

real_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_user,access.estate.property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type_user,access.estate.property.type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag_user,access.estate.property.tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer_user,access.estate.property.offer,model_estate_property_offer,base.group_user,1,1,1,1