[ADD] estate: create a new module for Real Estate Advertisement

.gitignore

@@ -127,3 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+# Not functionnal
+estate/security/security.xml

estate/__init__.py

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

estate/__manifest__.py

@@ -0,0 +1,17 @@
+{
+    'name': 'Real estate',
+    'author': 'anden',
+    'license': 'LGPL-3',
+    'depends': ['base'],
+    'category': 'Real Estate/Brokerage',
+    'application': True,
+    'data': [
+        # 'security/security.xml',
+        '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/estate_menus.xml',
+    ]
+}

estate/models/__init__.py

@@ -0,0 +1,4 @@
+from . import property
+from . import property_type
+from . import property_tag
+from . import property_offer

estate/models/property.py

@@ -0,0 +1,99 @@
+from odoo import api, fields, models, exceptions
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = 'estate_property'
+    _description = 'estate property'
+    _order = "id desc"
+
+    name = fields.Char(string='Title', required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(string='Available From', copy=False, default=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(string='Living Area (sqm)')
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer(string='Garden Area (sqm)')
+    garden_orientation = fields.Selection(selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')])
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        string='Status',
+        selection=[
+            ('new', 'New'),
+            ('offer received', 'Offer Received'),
+            ('offer accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled')
+        ],
+        required=True,
+        copy=False,
+        default='new',
+    )
+    property_type_id = fields.Many2one('estate_property_type', string='Property Type')
+    salesperson = fields.Many2one('res.users', string='Salesman', default=lambda self: self.env.user)
+    buyer = fields.Many2one('res.partner', copy=False)
+    property_tag_id = fields.Many2many('estate_property_tag', string='Property Tag')
+    property_offer_id = fields.One2many('estate_property_offer', 'property_id', string='Property Offer')
+    total_area = fields.Float(string='Total Area (sqm)', compute='_compute_area')
+    best_price = fields.Float(string='Best offer', compute='_compute_best_price')
+
+    @api.depends('living_area', 'garden_area')
+    def _compute_area(self):
+        for record in self:
+            record.total_area = record.living_area + record.garden_area
+
+    @api.depends('property_offer_id.price')
+    def _compute_best_price(self):
+        for record in self:
+            record.best_price = max(record.property_offer_id.mapped('price'), default=False)
+
+    @api.onchange('garden')
+    def _onchange_garden(self):
+        for record in self:
+            if record.garden:
+                record.garden_area = 10
+                record.garden_orientation = 'north'
+            else:
+                record.garden_area = 0
+                record.garden_orientation = False
+
+    def action_property_sold(self):
+        if self.state == 'cancelled':
+            raise exceptions.UserError('Cancelled properties cannot be sold')
+        else:
+            self.state = 'sold'
+
+    def action_property_cancel(self):
+        if self.state == 'sold':
+            raise exceptions.UserError('Sold properties cannot be cancelled')
+        else:
+            self.state = 'cancelled'
+
+    _check_expected_price = models.Constraint(
+    'CHECK(0 < expected_price)',
+    'A property expected price must be strictly positive')
+
+    _check_selling_price = models.Constraint(
+    'CHECK(0 <= selling_price)',
+    'A property selling price must be positive')
+
+    @api.constrains('selling_price', 'expected_price')
+    def _check_selling_price(self):
+        for record in self:
+            if not float_is_zero(record.selling_price, 2):
+                if float_compare(record.selling_price, 0.9 * record.expected_price, 2) == -1:
+                    raise exceptions.ValidationError("The selling price cannot be lower than 90% of the expected price.")
+
+    @api.onchange('property_offer_id')
+    def _onchange_property_offer_id(self):
+        for record in self:
+            if len(record.property_offer_id) > 0:
+                if record.state == 'new':
+                    record.state = 'offer received'
+            elif record.state != 'cancelled':
+                record.state = 'new'

estate/models/property_offer.py

@@ -0,0 +1,54 @@
+from odoo import api, fields, models, exceptions
+
+
+class EstatePropertyOffer(models.Model):
+    _name = 'estate_property_offer'
+    _description = 'estate property offer'
+    _order = "price desc"
+
+    price = fields.Float()
+    status = fields.Selection(selection=[('accepted', 'Accepted'), ('refused', 'Refused')], copy=False, readonly=True)
+    partner_id = fields.Many2one('res.partner', required=True, string='Partner')
+    property_id = fields.Many2one('estate_property', required=True)
+    validity = fields.Integer(string='Validity (days)', default=7)
+    date_deadline = fields.Date(string='Deadline', compute='_compute_deadline', inverse='_inverse_deadline')
+
+    @api.depends('create_date', 'validity')
+    def _compute_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.add(record.create_date.date(), days=record.validity)
+            else:
+                record.date_deadline = fields.Date.add(fields.Date.today(), days=record.validity)  # If no create_date we take the date of today
+
+    def _inverse_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  # If no create_date we take the date of today
+
+    def action_status_accepted(self):
+
+        if len(self) > 1:
+            raise exceptions.UserError('Only one offer can be accepted')
+
+        if self.status != 'accepted' and 'accepted' in self.mapped('property_id.property_offer_id.status'):
+            raise exceptions.UserError('Another offer is already accepted')
+
+        self.status = 'accepted'
+        self.property_id.selling_price = self.price
+        self.property_id.buyer = self.partner_id
+        self.property_id.state = 'offer accepted'
+
+    def action_status_refused(self):
+        for record in self:
+            if record.status == 'accepted':
+                record.property_id.selling_price = False
+                record.property_id.buyer = False
+                record.property_id.state = 'offer received'
+            record.status = 'refused'
+
+    _check_offer_price = models.Constraint(
+    'CHECK(0 < price)',
+    'An offer price must be strictly positive')

estate/models/property_tag.py

@@ -0,0 +1,15 @@
+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("Color Index")
+
+    _name_uniq = models.Constraint(
+        'unique (name)',
+        "A property tag name must be unique",
+    )

estate/models/property_type.py

@@ -0,0 +1,16 @@
+from odoo import fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = 'estate_property_type'
+    _description = 'estate property type'
+    _order = "sequence, name"
+
+    name = fields.Char(string='Type', required=True)
+    sequence = fields.Integer('Sequence', default=1)
+    property_ids = fields.One2many('estate_property', 'property_type_id')
+
+    _name_uniq = models.Constraint(
+        'unique (name)',
+        "A property type name must be unique",
+    )

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_ir_group_user,ir_group_user,model_estate_property,base.group_user,1,1,1,1
+access_ir_group_user_type,ir_group_user_type,model_estate_property_type,base.group_user,1,1,1,1
+access_ir_group_user_tag,ir_group_user_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_ir_group_user_offer,ir_group_user_offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_menu_advertisements" name="Advertisements">
+            <menuitem id="estate_menu_properties" name="Properties" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_menu_settings" name="Settings">
+            <menuitem id="estate_menu_property_types" name="Property Types" action="estate_property_type_action"/>
+            <menuitem id="estate_menu_property_tags" name="Property Tags" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,38 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_property_offer_view_tree" 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>
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_status_accepted" type="object" icon="fa-check" string="Accept" invisible="status=='refused' or status=='accepted'"/>
+                <button name="action_status_refused" type="object" icon="fa-times" string="Refuse" invisible="status=='refused' or status=='accepted'"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_form" model="ir.ui.view">
+        <field name="name">estate_property_view_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>
+
+</odoo>

estate/views/estate_property_tag_views.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property tag action</field>
+        <field name="res_model">estate_property_tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_tag_view_form" model="ir.ui.view">
+        <field name="name">estate_property_tag_form</field>
+        <field name="model">estate_property_tag</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <field name="name" placeholder="Property Tag"/>
+                        <field name="color" widget="color_picker"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_type_views.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0"?>
+<odoo>
+
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property type action</field>
+        <field name="res_model">estate_property_type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <record id="estate_property_type_view_tree" model="ir.ui.view">
+        <field name="name">estate_property_type_list</field>
+        <field name="model">estate_property_type</field>
+        <field name="arch" type="xml">
+            <list>
+                <field name="sequence" widget="handle"/>
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_type_view_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>
+                <sheet>
+                    <group>
+                        <div class="oe_title">
+                            <h1>
+                                <field name="name" placeholder="Property Type"/>
+                            </h1>
+                        </div>
+                    </group>
+                    <notebook>
+                        <page string="Description">
+                            <group>
+                                <field name="property_ids">
+                                    <list>
+                                        <field name="name"/>
+                                        <field name="expected_price"/>
+                                        <field name="state"/>
+                                    </list>
+                                </field>
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+</odoo>