Technical Training - Kenneth

estate/__manifest__.py

@@ -1,11 +1,18 @@
 {
     "name": "Estate",  # The name that will appear in the App list
-    "version": "16.0.0",  # Version
+    "version": "18.0.1.0.49",  # Version
     "application": True,  # This line says the module is an App, and not a module
     "depends": ["base"],  # dependencies
-    "data": [
-
+    '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_property_tag_views.xml',
+        'views/res_users_views.xml',
+        'views/estate_menus.xml',
     ],
+
     "installable": True,
     'license': 'LGPL-3',
 }

estate/models/__init__.py

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,123 @@
+from odoo import models, fields, api
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property"
+    _order = "id desc"
+
+    _sql_constraints = [
+        ('check_expected_price', 'CHECK(expected_price > 0)', 'Expected price must be strictly positive'),
+        ('check_selling_price', 'CHECK(selling_price >= 0)', 'Selling price must be positive'),
+    ]
+
+    # Basic Information
+    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=2))
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        selection=[
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled'),
+        ], default='new')
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    # Pricing
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True, copy=False)
+    best_price = fields.Float(compute='_compute_best_price', string='Best Offer')
+
+    # Property Details
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    total_area = fields.Integer(compute='_compute_total_area', string='Total Area')
+
+    # Features
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West'),
+        ]
+    )
+
+    # People
+    salesperson_id = fields.Many2one('res.users', string='Salesperson', default=lambda self: self.env.user)
+    buyer_id = fields.Many2one('res.partner', string='Buyer', copy=False)
+
+    # Tags
+    tag_ids = fields.Many2many('estate.property.tag', string='Tags')
+
+    # Offers
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string='Offers')
+
+    # Computed Methods
+    @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:
+            prices = record.offer_ids.mapped('price')
+            record.best_price = max(prices) if prices else 0.0
+
+    # Onchange Methods
+    @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
+
+    # Button Action Methods (Public - no underscore prefix)
+    def action_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError("Cannot cancel a sold property")
+            record.state = 'cancelled'
+        return True
+
+    def action_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError("Cannot sell a cancelled property")
+            record.state = 'sold'
+        return True
+
+    # Python Constraints
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(self):
+        for record in self:
+            # Skip validation if selling price is zero (not yet sold)
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+
+            # Calculate 90% of expected price
+            min_selling_price = record.expected_price * 0.9
+
+            # Compare selling price with minimum allowed (90% of expected)
+            if float_compare(record.selling_price, min_selling_price, precision_digits=2) < 0:
+                raise ValidationError(
+                    f"Selling price ({record.selling_price:.2f}) cannot be lower than 90% of expected price ({min_selling_price:.2f})"
+                )
+
+    # CRUD Method Overrides
+    @api.ondelete(at_uninstall=False)
+    def _check_property_deletion(self):
+        for record in self:
+            if record.state not in ['new', 'cancelled']:
+                raise UserError(f"Cannot delete property '{record.name}' because it is in '{record.state}' state. Only 'New' or 'Cancelled' properties can be deleted.")

estate/models/estate_property_offer.py

@@ -0,0 +1,97 @@
+from odoo import models, fields, api
+from datetime import timedelta
+from odoo.exceptions import UserError
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Property Offer"
+    _order = "price desc"
+
+    _sql_constraints = [
+        ('check_offer_price', 'CHECK(price > 0)', 'Offer price must be strictly positive'),
+    ]
+
+    # Basic Information
+    price = fields.Float()
+    status = fields.Selection(
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ], copy=False)
+    validity = fields.Integer(default=7, string='Validity (days)')
+    date_deadline = fields.Date(compute='_compute_date_deadline', inverse='_inverse_date_deadline', string='Deadline')
+
+    # Relationships
+    partner_id = fields.Many2one('res.partner', string='Partner', required=True)
+    property_id = fields.Many2one('estate.property', string='Property', required=True)
+    property_type_id = fields.Many2one('estate.property.type', related='property_id.property_type_id', string='Property Type', store=True)
+
+    # Computed Methods
+    @api.depends('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for record in self:
+            # Use create_date if available, otherwise use today as fallback
+            base_date = record.create_date.date() if record.create_date else fields.Date.today()
+            record.date_deadline = base_date + timedelta(days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.date_deadline and record.create_date:
+                # Calculate validity based on deadline and create_date
+                base_date = record.create_date.date()
+                delta = record.date_deadline - base_date
+                record.validity = delta.days
+            elif record.date_deadline:
+                # If no create_date, use today as fallback
+                today = fields.Date.today()
+                delta = record.date_deadline - today
+                record.validity = delta.days
+
+    # Button Action Methods (Public - no underscore prefix)
+    def action_accept(self):
+        for record in self:
+            # Refuse all other offers for this property first
+            other_offers = record.property_id.offer_ids.filtered(lambda o: o.id != record.id)
+            other_offers.write({'status': 'refused'})
+
+            # Accept this offer
+            record.status = 'accepted'
+
+            # Set buyer and selling price on the property
+            record.property_id.buyer_id = record.partner_id
+            record.property_id.selling_price = record.price
+        return True
+
+    def action_refuse(self):
+        for record in self:
+            record.status = 'refused'
+        return True
+
+    # CRUD Method Overrides
+    @api.model_create_multi
+    def create(self, vals_list):
+        # Handle both single record and batch creation
+        if not isinstance(vals_list, list):
+            vals_list = [vals_list]
+
+        # Process each record in the batch
+        for vals in vals_list:
+            # Get the property record
+            property_id = vals.get('property_id')
+            if property_id:
+                property_record = self.env['estate.property'].browse(property_id)
+
+                # Check if offer price is higher than existing offers
+                existing_offers = property_record.offer_ids
+                if existing_offers:
+                    max_existing_price = max(existing_offers.mapped('price'))
+                    if vals.get('price', 0) <= max_existing_price:
+                        raise UserError(f"Offer price must be higher than existing offers. Current highest offer: {max_existing_price}")
+
+                # Set property state to 'Offer Received'
+                property_record.state = 'offer_received'
+
+        # Always call super() to maintain the flow
+        return super().create(vals_list)
+
+

estate/models/estate_property_tag.py

@@ -0,0 +1,15 @@
+from odoo import models, fields
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real Estate Property Tag"
+    _order = "name"
+
+    _sql_constraints = [
+        ('check_name_unique', 'UNIQUE(name)', 'Property tag name must be unique'),
+    ]
+
+    # Basic Information
+    name = fields.Char(required=True)
+    color = fields.Integer()
+

estate/models/estate_property_type.py

@@ -0,0 +1,26 @@
+from odoo import models, fields, api
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Real Estate Property Type"
+    _order = "sequence, name"
+
+    _sql_constraints = [
+        ('check_name_unique', 'UNIQUE(name)', 'Property type name must be unique'),
+    ]
+
+    # Basic Information
+    sequence = fields.Integer(default=10)
+    name = fields.Char(required=True)
+
+    # Relationships
+    property_ids = fields.One2many('estate.property', 'property_type_id', string='Properties')
+    offer_ids = fields.One2many('estate.property.offer', 'property_type_id', string='Offers')
+    offer_count = fields.Integer(compute='_compute_offer_count', string='Offers Count')
+
+    # Computed Methods
+    @api.depends('offer_ids')
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)
+

estate/models/res_users.py

@@ -0,0 +1,6 @@
+from odoo import fields, models
+
+class ResUsers(models.Model):
+    _inherit = "res.users"
+
+    property_ids = fields.One2many('estate.property', 'salesperson_id', string='Properties', domain=[('state', 'in', ['new', 'offer_received'])])

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
+access_estate_property_user,access_estate_property_user,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type_user,access_estate_property_type_user,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag_user,access_estate_property_tag_user,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer_user,access_estate_property_offer_user,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_first_level_menu" name="Advertisements">
+            <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<odoo>
+    <!-- List View Definition -->
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate.property.offer.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list string="Property Offers" editable="bottom" decoration-danger="status == 'refused'" decoration-success="status == 'accepted'">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="property_type_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <field name="status" column_invisible="True"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View Definition -->
+    <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 string="Property Offer">
+                <header>
+                    <button name="action_accept" string="Accept" type="object" icon="fa-check" invisible="status in ['accepted', 'refused']"/>
+                    <button name="action_refuse" string="Refuse" type="object" icon="fa-times" invisible="status in ['accepted', 'refused']"/>
+                </header>
+                <sheet>
+                    <group>
+                        <field name="price"/>
+                        <field name="partner_id"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>