First try

awesome_clicker/__manifest__.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 {
-    'name': "Awesome Clicker",
+    'name': 'Awesome Clicker',
 
     'summary': """
         Starting module for "Master the Odoo web framework, chapter 1: Build a Clicker game"
@@ -10,7 +10,7 @@
         Starting module for "Master the Odoo web framework, chapter 1: Build a Clicker game"
     """,
 
-    'author': "Odoo",
+    'author': 'Odoo',
     'website': "https://www.odoo.com/",
     'category': 'Tutorials',
     'version': '0.1',

estate/__init__.py

@@ -0,0 +1 @@
+from . import models

estate/__manifest__.py

@@ -0,0 +1,23 @@
+{
+    "name": "Real Estate",
+    "version": "1.0",
+    "summary": "Real Estate Property Management",
+    "description": """
+        Tutorial module for managing real estate properties.
+    """,
+    "author": "Your Name",
+    "category": "Tutorial",
+    "depends": ["base"],
+    "data": [
+        'security/ir.model.access.csv',
+        'views/res_users_views.xml',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_views.xml',
+        'views/estate_menus.xml'
+        ],
+    "installable": True,
+    "application": 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 +1,116 @@
+from odoo import api, fields, models
+from dateutil.relativedelta import relativedelta
+from odoo.tools.float_utils import float_is_zero
+from odoo.exceptions import UserError, ValidationError
+
+
+class EstateProperty(models.Model):
+    _name = 'estate.property'
+    _description = 'Real Estate Property'
+    _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.context_today(self) + relativedelta(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(
+        selection=[
+            ('north', 'North'),
+            ('south', 'South'),
+            ('east', 'East'),
+            ('west', 'West'),
+        ]
+    )
+    state = fields.Selection(
+        [
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('canceled', 'Cancelled'),
+        ],
+        required=True,
+        copy=False,
+        default='new',
+    )
+    active = fields.Boolean(default=True)
+
+    property_type_id = fields.Many2one('estate.property.type', string='Property Type')
+
+    buyer_id = fields.Many2one('res.partner', string='Buyer', copy=False)
+
+    salesperson_id = fields.Many2one('res.users', string='Salesperson', default=lambda self: self.env.user)
+
+    tag_ids = fields.Many2many('estate.property.tag', string='Property Tag')
+
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string='Offers')
+
+    total_area = fields.Integer(compute='_compute_total_area')
+
+    best_price = fields.Float(compute='_compute_best_price')
+
+    _check_expected_price = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The expected price must be strictly positive.',
+    )
+
+    _check_selling_price = models.Constraint(
+        'CHECK(selling_price >= 0)',
+        'The selling price must be positive.',
+    )
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+            if record.selling_price < record.expected_price * 0.9:
+                raise ValidationError('The selling price cannot be lower than 90% of the expected price.')
+
+    @api.depends('garden_area', 'total_area')
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.garden_area + record.living_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, 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
+
+    @api.ondelete(at_uninstall=False)
+    def _unlink_if_new_or_cancelled(self):
+        for record in self:
+            if record.state not in ('new', 'cancelled'):
+                raise UserError('You can only delete a property when its state is New or Cancelled.')
+
+    def action_sold(self):
+        for record in self:
+            if record.state == 'canceled':
+                raise UserError('A canceled property cannot be set as sold.')
+            record.state = 'sold'
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError('A sold property cannot be canceled.')
+            record.state = 'canceled'
+        return True

estate/models/estate_property_offer.py

@@ -0,0 +1,83 @@
+from odoo import api, fields, models
+from datetime import timedelta
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate.property.offer'
+    _description = 'Estate Property Offer'
+    _order = 'price desc'
+
+    partner_id = fields.Many2one('res.partner', string='Partner', required=True)
+    property_id = fields.Many2one('estate.property', string='Estate Property', required=True)
+    price = fields.Float()
+    status = fields.Selection(
+        copy=False,
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused'),
+        ]
+    )
+    property_type_id = fields.Many2one('estate.property.type', related='property_id.property_type_id', store=True, readonly=True)
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(compute='_compute_date_deadline', inverse='_inverse_date_deadline', store=True)
+
+    _check_offer_price = models.Constraint(
+        'CHECK(price > 0)',
+        'The offer price must be strictly positive.',
+    )
+
+    @api.depends('create_date', 'validity')
+    def _compute_date_deadline(self):
+        for offer in self:
+            create_dt = offer.create_date if offer.create_date else fields.Datetime.now()
+            offer.date_deadline = (create_dt + timedelta(days=offer.validity)).date()
+
+    def _inverse_date_deadline(self):
+        for offer in self:
+            if offer.date_deadline:
+                create_date = offer.create_date.date() if offer.create_date else fields.Datetime.now()
+                offer.validity = (offer.date_deadline - create_date).days
+
+    def action_confirm(self):
+        for offer in self:
+            if offer.property_id.state in ('offer_accepted', 'sold', 'canceled'):
+                raise UserError('A sold property cannot accept new offers.')
+
+            offer.status = 'accepted'
+
+            offer.property_id.write({
+                'buyer_id': offer.partner_id.id,
+                'selling_price': offer.price,
+                'state': 'offer_accepted',
+            })
+
+        return True
+
+    def action_refuse(self):
+        for offer in self:
+            if offer.status == 'accepted':
+                raise UserError('You cannot refuse an accepted offer.')
+
+            offer.status = 'refused'
+
+            property_record = offer.property_id
+
+            active_offers = property_record.offer_ids.filtered(lambda o: o.status in ('pending', 'accepted'))
+
+            if not active_offers:
+                property_record.write({
+                    'buyer_id': False,
+                    'selling_price': 0,
+                    'state': 'new',
+                })
+
+        return True
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if vals['property_id'] and vals['price'] is not None:
+                if vals['price'] < self.env['estate.property'].browse(vals['property_id']).best_price:
+                    raise UserError('The offer must be higher than the existing offers.')
+        return super().create(vals_list)

estate/models/estate_property_tag.py

@@ -0,0 +1,10 @@
+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = 'estate.property.tag'
+    _description = 'Estate Property Tag'
+    _order = 'name'
+
+    name = fields.Char(required=True)
+    color = fields.Integer(name="Color")

estate/models/estate_property_type.py

@@ -0,0 +1,24 @@
+from odoo import api, fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = 'estate.property.type'
+    _description = 'Estate Property Type'
+    _order = 'name'
+
+    name = fields.Char(required=True)
+    sequence = fields.Integer('Sequence', default=1)
+
+    _unique_type_name = models.Constraint(
+        'UNIQUE(name)',
+        'The property type name must be unique.',
+    )
+
+    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='Offer Count')
+
+    @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
+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_menus.xml

@@ -0,0 +1,27 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <!-- Root menu (App switcher) -->
+    <menuitem id='estate_menu_root' name='Real Estate'/>
+
+    <!-- First level menu (top bar) -->
+    <menuitem id='estate_menu_adv'
+              name='Advertisements'
+              parent='estate_menu_root'/>
+
+    <menuitem id='estate_menu_settings'
+              name='Settings'
+              parent='estate_menu_root'/>
+
+    <!-- Action menu (opens the list/form view) -->
+    <menuitem id='estate_menu_properties'
+              parent='estate_menu_adv'
+              action='estate_property_action'/>
+
+    <menuitem id='estate_menu_property_type_properties'
+              parent='estate_menu_settings'
+              action='estate_property_type_action'/>
+
+    <menuitem id='estate_menu_property_tag_properties'
+              parent='estate_menu_settings'
+              action='estate_property_tag_action'/>
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,45 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <record id='estate_property_offer_view_list' model='ir.ui.view'>
+        <field name='name'>estate.property.offer.view.list</field>
+        <field name='model'>estate.property.offer</field>
+        <field name='arch' type='xml'>
+            <list string='Properties' editable='bottom' decoration-success="status in ('accepted')" decoration-danger="status in ('refused')">
+                <field name='price'/>
+                <field name='partner_id' string='Partner'/>
+                <field name='property_type_id' string='Property Type'/>
+                <field name='validity' string='Validity (days)'/>
+                <field name='date_deadline' string='Deadline'/>
+                <button name='action_confirm' string='Confirm' 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')"/>
+                <field name='status' column_invisible='1'/>
+            </list>
+        </field>
+    </record>
+
+    <record id='estate_property_offer_view_form' model='ir.ui.view'>
+        <field name='name'>estate.property.offer.view.form</field>
+        <field name='model'>estate.property.offer</field>
+        <field name='arch' type='xml'>
+            <form string='Property'>
+                <sheet>
+                    <group>
+                        <field name='price'/>
+                        <field name='partner_id' string='Partner'/>
+                        <field name='validity' string='Validity (days)'/>
+                        <field name='date_deadline' string='Deadline'/>
+                        <field name='status'/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id='estate_property_offer_action_from_types' model='ir.actions.act_window'>
+        <field name='name'>Offers From Types</field>
+        <field name='res_model'>estate.property.offer</field>
+        <field name='view_mode'>list,form</field>
+        <field name='domain'>[('property_type_id', '=', active_id)]</field>
+        <field name='view_id' ref='estate_property_offer_view_list'/>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

@@ -0,0 +1,18 @@
+<?xml version='1.0' encoding='utf-8'?>
+<odoo>
+    <record id='estate_property_tag_action' model='ir.actions.act_window'>
+        <field name='name'>Property Tag</field>
+        <field name='res_model'>estate.property.tag</field>
+        <field name='view_mode'>list,form</field>
+    </record>
+
+    <record id='estate_property_tag_view_list' model='ir.ui.view'>
+        <field name='name'>estate.property.tag.view.list</field>
+        <field name='model'>estate.property.tag</field>
+        <field name='arch' type='xml'>
+            <list string='Properties' editable='bottom'>
+                <field name='name'/>
+            </list>
+        </field>
+    </record>
+</odoo>