[ADD] estate module

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Real Estate Management',
+    'depends': ['base'],
+    'application': True,
+    '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',
+    ]
+}

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 fields, models, api
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools import float_utils
+
+class EstateProperty(models.Model):
+
+    _name = 'estate.property'
+    _description = 'Real Estate Property Model'
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=lambda self: fields.Date.add(fields.Date.today(), months=3))
+    expected_price = fields.Float(required=True,)
+    selling_price = fields.Float(readonly=True, copy=False)
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        [('north','North'),('south', 'South'), ('east', 'East'), ('west','West')])
+    active = fields.Boolean(default=True)
+    state = fields.Selection([
+        ('new', 'New'), 
+        ('offer_received', 'Offer Received'),
+        ('offer_accepted', 'Offer Accepted'),
+        ('sold', 'Sold'),
+        ('canceled', 'Canceled')
+        ],required=True, copy=False, default='new')
+    property_type_id = fields.Many2one('estate.property.type')
+    tag_ids = fields.Many2many('estate.property.tag')
+    user_id = fields.Many2one('res.users', string='Salesperson', default=lambda self: self.env.user)
+    partner_id = fields.Many2one('res.partner', string='Buyer', copy=False)
+    offer_ids = fields.One2many('estate.property.offer','property_id')
+    total_area = fields.Float(compute='_compute_total_area')
+    best_price = fields.Float(compute='_compute_best_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:
+                record.best_price = max(record.offer_ids.mapped('price') or [0])
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+            if self.garden:
+                self.garden_area = 10
+                self.garden_orientation = 'north'
+            else:
+                self.garden_area = False
+                self.garden_orientation = False
+
+
+    def action_button_cancel(self):
+        for record in self:
+            if self.state == 'sold':
+                raise UserError ('A sold property cannot be canceled')
+            else:
+                record.state = 'canceled'
+        return True
+
+
+    def action_button_sold(self):
+        for record in self:
+            if self.state == 'canceled':
+                raise UserError ('A canceled property cannot be sold')
+            else:
+                record.state = 'sold'
+        return True
+
+    @api.constrains('expected_price')
+    def _check_expected_price(self):
+        for record in self:
+            if record.expected_price < 0:
+                raise ValidationError('The Expected Price should be positive.')
+
+
+    @api.constrains('selling_price')
+    def _check_selling_price(self):
+        for record in self:
+            if record.selling_price < 0:
+                raise ValidationError('The Selling Price should be positive.')
+
+
+    @api.constrains('selling_price', 'expected_price', 'offer_ids.price', 'offer_ids.status')
+    def _check_offer_selling_price(self):
+        for record in self:
+            if 'accepted' in record.offer_ids.mapped('status') and record.selling_price >= 0 and record.expected_price > 0:
+                    min_selling_price = 0.9*record.expected_price
+                    if float_utils.float_compare(record.selling_price, min_selling_price, precision_digits=2) == -1:
+                        raise ValidationError(
+                        'Selling Price should be higher than 90 percent of the Expected Price. Reduce the expected price if you want accept this offer')
+
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_property_new_canceled(self):
+        for record in self:
+            if record.state in ('offer_received','offer_accepted','sold'):
+                raise UserError("Can't delete an active property!")
+
+
+#2024-02-02 20:53:56,630 442 WARNING real_estate odoo.models: method estate.property._check_offer_selling_price: @constrains parameter 'offer_ids.price' is not a field name 
+#2024-02-02 20:53:56,630 442 WARNING real_estate odoo.models: method estate.property._check_offer_selling_price: @constrains parameter 'offer_ids.status' is not a field name 
+# to_do: Make the estate.property.tag list views editable. 
+# state in property list view make it invisible?
+# status in property offer list view make it invisible?
+# chapter 12: stat button on estate.property.type pointing to the estate.property.offer action??
+# use the type="action" attribute
+# At this point, clicking on the stat button should display all offers. 
+# We still need to filter out the offers. On the estate.property.offer action, add a domain that defines property_type_id as equal to the active_id (= the current record                                       
+# chapter 13: Add the property_ids field to the base.view_users_form in a new notebook page.                   

estate/models/estate_property_offer.py

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+from odoo import fields, models, api
+from odoo.exceptions import UserError
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Real Estate Property Offers'
+    _order = "price desc"
+
+
+    price = fields.Float()
+    status = fields.Selection([('accepted', 'Accepted'), ('refused', 'Refused')], copy=False)
+    partner_id = fields.Many2one('res.partner', required=True)
+    property_id = fields.Many2one('estate.property', required=True)
+    property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(compute='_compute_date_deadline', inverse= '_inverse_date_deadline')
+
+
+    @api.depends('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            record.date_deadline = fields.Date.add(record.create_date, days=record.validity) if record.create_date else False
+
+
+    def _inverse_date_deadline(self):
+        for record in self.filtered('date_deadline'):
+            create_date = (record.create_date or fields.Datetime.now()).date()
+            record.validity = (record.date_deadline - create_date).days
+
+
+    @api.model
+    def create(self, vals):
+
+        res = super(EstatePropertyOffer, self).create(vals)
+
+        existing_offer = self.search([
+            ('property_id', '=', vals.get('property_id')),
+            ('price', '>', vals.get('price')),
+        ], limit=1)
+
+        if existing_offer:
+            raise UserError("Cannot create an offer with a lower price than an existing one.")
+
+        self.env['estate.property'].browse(vals.get('property_id')).write({'state':'offer_received'})
+
+        return res
+
+
+    def action_button_refuse(self):
+        for record in self:
+            if self.status == 'accepted':
+                raise UserError ('Cannot refuse an accepted offer')
+            else:
+                record.status = 'refused'
+        return True
+
+
+    def action_button_accept(self):
+        for record in self:
+            if 'accepted' in record.property_id.offer_ids.mapped('status'):
+                raise UserError ('Cannot accept more than one offer')
+            else:
+                record.status = 'accepted'
+                record.property_id.state = 'offer_accepted'
+                record.property_id.selling_price = record.price
+                record.property_id.partner_id = record.partner_id
+        return True
+
+
+    @api.constrains('price')
+    def _check_offer_price(self):
+        for record in self:
+            if record.price < 0:
+                raise UserError('The Offer Price should be positive.')
+

estate/models/estate_property_tag.py

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+from odoo import fields, models, api
+from odoo.exceptions import ValidationError
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Real Estate Property Tags'
+    _order = "name desc"
+    _sql_constraints = [('tag_unique', 'unique (name)','Property tag name should be unique!')]
+
+    name = fields.Char(required=True)
+    color = fields.Integer()
+
+    # @api.constrains('name')
+    # def _check_name(self):
+    #     for record in self:
+    #         if record.name in record.name.mapped():
+    #             raise ValidationError('Property tag name 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 = 'Real Estate Property Types'
+    _order = "sequence, name desc"
+    _sql_constraints = [
+         ('type_unique', 'unique (name)','Property type name should be unique!')]
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer('Sequence', default=1, help="Used to order types")
+    property_ids = fields.One2many('estate.property', 'property_type_id')
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id')
+    offer_count = fields.Integer(compute='_compute_offer_count')
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+                record.offer_count =len(record.property_ids.mapped('offer_ids'))
+
+
+class EstatePropertyTypeLine(models.Model):
+    _name = 'estate.property.type.line'
+    _description = 'Real Estate Property Types Line'
+
+
+    property_ids = fields.Many2one('estate.property.type')
+    name = fields.Char()
+    expected_price = fields.Float()
+    state = fields.Selection([('new', 'New'), ('offer_received', 'Offer Received'),('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),('canceled', 'Canceled')],required=True, copy=False, default='new')
+
+

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','user_id',domain="[('user_id', '=', id)]")
+
+

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.access_estate_property_type_line,access_estate_property_type_line,estate.model_estate_property_type_line,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="real_estate_menu" name="Real Estate"/>
+    <menuitem id="advertisements_menu" name="Advertisements" parent="real_estate_menu"/>
+    <menuitem id="properties_menu" action="estate_property_action" parent="advertisements_menu"/>
+    <menuitem id="settings_menu" name="Settings" sequence="100"  parent="real_estate_menu"/>
+    <menuitem id="property_types_menu" action="estate_property_type_action" parent="settings_menu"/>
+    <!-- <menuitem id="property_tag_menu" action="estate_property_tag_action" parent="settings_menu"/> -->
+</odoo>

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_tree" model="ir.ui.view">
+        <field name="name">estate.property.offer.tree</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <tree string="Property offers" editable="bottom" decoration-success="status in ('accepted')" decoration-danger="status in ('refused')">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_button_accept" type="object" icon="fa-check" title="Accept Offer" invisible="status in ('accepted', 'refused')"/>
+                <button name="action_button_refuse" type="object" icon="fa-times" title="Refuse Offer" invisible="status in ('accepted', 'refused')"/>
+                <field name="status" invisible="1"/>
+            </tree>
+        </field>
+    </record>
+
+    <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>
+                <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_action" model="ir.actions.act_window">
+        <field name="name">Estate Property Offers</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="domain">[('property_type_id', '=', active_id)]</field>
+        <field name="context">{'default_property_type_id': active_id}</field>
+    </record>  -->
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <record id="estate_property_tag_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.tag.tree</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <tree string="Property Tags" editable="bottom">
+                <field name="name"/>
+            </tree>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tags</field>
+        <field name="res_model">estate.property.tag</field>
+    </record>    
+</odoo>
+
+