Technical Training Solution

README.md

@@ -1 +1,4 @@
-# Odoo 12.0 - Technical Training
+# Odoo 17.0 - Technical Training
+
+The Technical Training of Odoo 17.0 is available on the
+[Tutorial](https://www.odoo.com/documentation/master/developer/howtos/rdtraining.html)

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real Estate",  # The name that will appear in the App list
+    "version": "17.0.1.0.0",  # Version
+    "application": True,  # This line says the module is an App, and not a module
+    "depends": ["base"],  # dependencies
+    "data": [
+        "security/ir.model.access.csv",
+        "views/estate_actions.xml", # add action bevor all other views, so their every time loaded before
+        "views/estate_property_views.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_tag_views.xml",
+        "views/estate_property_offer_views.xml",
+        "views/estate_menus.xml"
+    ],
+    "installable": True,
+    'license': 'LGPL-3',
+}

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

estate/models/estate_property.py

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+from dateutil.relativedelta import relativedelta
+from odoo import api, fields, models
+from odoo.exceptions import ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+
+    name = fields.Char()
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(default=lambda self: fields.Date.today() + relativedelta(months=+3))
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(required=True)
+    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(
+        string='Type',
+        selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West') ],
+        help="")
+    state = fields.Selection(
+        string='State',
+        selection=[('new', 'New'), ('offer_received', 'Offer Received'), ('offer_accepted', 'Offer Accepted'), ('sold', 'Sold'), ('canceled', 'Canceled') ],
+        default='new',
+        help="")
+    active = fields.Boolean(default=1)
+    property_type_id = fields.Many2one("estate.property.type")
+    seller_id = fields.Many2one("res.partner", string="Seller")
+    buyer_id = fields.Many2one("res.partner", string="Buyer")
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    # the name of 2nd parameter "property_id" is the var string of variable used in offer model
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    # non stored -> not searchable without search method, search="_search_totalarea"
+    # store=True
+    totalarea = fields.Float(compute="_compute_totalarea")
+
+    _sql_constraints = [
+        ('check_expected_price', 'CHECK(expected_price >= 0)', 'The Expected Price should be positive.'),
+        ('check_selling_price', 'CHECK(selling_price >= 0)', 'The Selling Price should be positive.')
+    ]
+
+    @api.depends("living_area", "garden_area")
+    def _compute_totalarea(self):
+        for record in self:
+            record.totalarea = record.living_area + record.garden_area
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden == 1:
+            self.garden_area = 10
+            self.garden_orientation = "north"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = ""
+
+    def set_status_cancel(self):
+        if self.state != "sold":
+            self.state = "canceled"
+
+    def set_status_sold(self):
+        if self.state != "canceled":
+            self.state = "sold"
+
+    @api.constrains('expected_price', 'selling_price')
+    def _check_selling_price(self):
+        for record in self:
+            # Skip the check if the selling price is zero (no offer validated yet)
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+
+            # Calculate 90% of the expected price
+            price_limit = record.expected_price * 0.9
+
+            # Compare the selling price to 90% of the expected price
+            if float_compare(record.selling_price, price_limit, precision_digits=2) < 0:
+                raise ValidationError("The selling price cannot be lower than 90% of the expected price.")
+
+    @api.ondelete(at_uninstall=False)
+    def _check_state_before_deletion(self):
+        for record in self:
+            if record.state not in ['new', 'canceled']:
+                raise ValidationError("You can only delete properties that are in 'New' or 'Canceled' state.")

estate/models/estate_property_offer.py

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+from dateutil.relativedelta import relativedelta
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+from odoo.exceptions import ValidationError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Estate Property Offer"
+
+    name = fields.Char()
+    price = fields.Float()
+    status = fields.Selection(
+        string='Type',
+        selection=[('accepted', 'Accepted'), ('refused', 'Refused') ],
+        help="")
+    partner_id = fields.Many2one("res.partner", string="Partner")
+    property_id = fields.Many2one("estate.property", string="Property")
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(compute="_compute_date_deadline", inverse="_inverse_date_deadline", store=True)
+    property_type_id = fields.Many2one(related="property_id.property_type_id", store=True)
+
+    _sql_constraints = [
+        ('check_price', 'CHECK(price >= 0)', 'The Offer Price should be positive.')
+    ]
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = record.create_date + relativedelta(days=record.validity)
+            else:
+                record.date_deadline = fields.Date.today() + relativedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.validity = (record.date_deadline - record.create_date.date()).days
+            else:
+                record.validity = (record.date_deadline - fields.Date.today()).days
+
+    def estate_property_offer_accepted_action(self):
+        for record in self:
+            record.status = "accepted"
+            record.property_id.selling_price = record.price
+            record.property_id.seller_id = record.partner_id
+
+    def estate_property_offer_refused_action(self):
+        self.status = "refused"
+
+    @api.model
+    def create(self, vals):
+        property_id = vals.get('property_id')
+        if property_id:
+            property_obj = self.env['estate.property'].browse(property_id)
+
+            # Check if there is any existing offer with a higher price
+            existing_offers = self.env['estate.property.offer'].search([
+                ('property_id', '=', property_id),
+                ('price', '>', vals.get('price', 0))
+            ])
+            if existing_offers:
+                raise ValidationError("You cannot create an offer with a lower price than existing offers.")
+
+            # Set the property state to 'Offer Received'
+            property_obj.state = 'offer_received'
+
+        return super(EstatePropertyOffer, self).create(vals)

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+
+    name = fields.Char()
+
+    _sql_constraints = [
+        ('check_name_unique', 'UNIQUE(name)', 'The name must be unique!')
+    ]

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 = "Estate Property Type"
+
+    name = fields.Char()
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id", string="Offers")
+    offer_count = fields.Integer(string='Offer Count', compute='_compute_offer_count')
+
+    _sql_constraints = [
+        ('check_name_unique', 'UNIQUE(name)', 'The name must be unique!')
+    ]
+
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

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/views/estate_actions.xml

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+<odoo>
+    <record id="action_estate_property_offer" model="ir.actions.act_window">
+        <field name="name">Property Offers</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">tree,form</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_menus.xml

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+<odoo>
+    <menuitem id="estate_property_menu_root" name="Estate Property">
+        <menuitem id="estate_property0_first_level_menu" name="First Level">
+            <menuitem id="estate_property_00_model_menu_action" action="estate_property_model_action"/>
+        </menuitem>
+        <menuitem id="estate_property1_first_level_menu" name="Settings">
+            <menuitem id="estate_property_type_model_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_model_menu_action" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>
+

estate/views/estate_property_offer_views.xml

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+<odoo>
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Estate Property Offer</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <record id="estate_property_offer_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.offer</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <tree string="Estate Property Offer">
+                <field name="name"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="price"/>
+                <field name="date_deadline"/>
+                <field name="status"/>
+                <!-- <field name="property_type_id" invisible="1"/> <!- - make the field invisible, it do not need show to the user. leave it as learning stuff.  -->
+                <button name="estate_property_offer_accepted_action" string="Accepted" type="object" icon="fa-check"/>
+                <button name="estate_property_offer_refused_action" string="Refused" type="object" icon="fa-level-down"/>
+            </tree>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<odoo>
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Estate Property Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+</odoo>

estate/views/estate_property_type_views.xml

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+<odoo>
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Estate Property Types</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+    <record id="view_estate_property_type_form" model="ir.ui.view">
+        <field name="name">estate.property.type.form</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <form>
+                <header>
+                    <button string="Offers"
+                            type="action"
+                            name="%(action_estate_property_offer)d"
+                            class="oe_stat_button"
+                            icon="fa-tags"
+                            context="{'default_property_type_id': active_id}">
+                        <field string="Offers" name="offer_count" widget="statinfo"/>
+                    </button>
+                </header>
+                <field name="name" />
+            </form>
+        </field>
+    </record>
+
+
+</odoo>