maorb - Technical Training

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Real Estate',
+    'depends': [
+        'base',
+    ],
+    'application': True,
+    'data' : [
+        'views/estate_property_offer_views.xml',
+        'security/ir.model.access.csv',
+        'views/estate_property_views.xml',
+        'views/estate_menus.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.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

estate/models/estate_property.py

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+from odoo import models, fields, api
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _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 strictly positive.")
+    _description = "Estate Property Model"
+
+    name = fields.Char(
+        string = "Property Name",
+        required = True
+    )
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy = False, 
+        default = fields.Date.today().replace(month=(fields.Date.today().month + 3) % 12)
+    )
+    expected_price = fields.Float(required = True)
+    selling_price = fields.Float(
+        readonly = True, 
+        copy = False
+    )
+    best_price = fields.Float(
+        compute="_compute_best_price", 
+        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(
+        string = "Orientation",
+        selection = [("north","North"), ("east", "East"), ("south", "South"), ("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")],
+        default = "new",
+        required = True,
+        copy = False
+    )
+    property_type_id = fields.Many2one(
+        "estate.property.type", 
+        string="Property Type"
+    )
+    salesperson_id = fields.Many2one(
+        "res.users", 
+        string="Salesperson", 
+        default=lambda self: self.env.user
+    )
+    buyer_id = fields.Many2one(
+        "res.partner", 
+        string="Buyer", 
+        copy=False
+    )
+    tag_ids = fields.Many2many(
+        "estate.property.tag", 
+        string="Tags", 
+        copy=False
+    )
+    offer_ids = fields.One2many(
+        "estate.property.offer", 
+        "property_id", 
+        copy=False
+    )
+    total_area = fields.Integer(
+        compute="_compute_total_area", 
+        copy=False
+    )
+
+    @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")
+    def _compute_best_price(self):
+        for record in self:
+            if record.offer_ids:
+                record.best_price = min(record.offer_ids.mapped("price"))
+            else:
+                record.best_price = 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 = None
+
+    @api.constrains("selling_price")
+    def _check_minimum_selling_price(self):
+        for record in self:
+            if record.selling_price and float_compare(record.expected_price * 0.9, record.selling_price, precision_digits=2) > 0:
+                raise ValidationError("The selling price must be at least 90%% of the expected price. You must reduce the expected price in order to accept this offer.")
+
+
+    def action_sold_button(self):
+        if self.state != "cancelled":
+            self.state = "sold"
+        else:
+            raise UserError("A cancelled property cannot be sold!")
+        return True
+
+    def action_cancel_button(self):
+        if self.state != "sold":
+            self.state = "cancelled"
+        else:
+            raise UserError("A sold property cannot be cancelled!")
+        return True
+

estate/models/estate_property_offer.py

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+from odoo import models, fields, api
+from odoo.exceptions import UserError
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _check_price_positive = models.Constraint("CHECK (price >= 0)", "Offer price must be strictly positive.")
+    _description = "Estate Property Offer Model"
+
+    price = fields.Float()
+    status = fields.Selection(
+        string = "Status",
+        selection = [("accepted", "Accepted"), ("refused", "Refused")],
+        copy = False
+    )
+    partner_id = fields.Many2one(
+        "res.partner", 
+        required = True
+    )
+    property_id = fields.Many2one(
+        "estate.property", 
+        required = True
+    )
+    validity = fields.Integer(
+        string = "Validity (days)",
+        default = 7
+    )
+    date_deadline = fields.Date(
+        compute = "_compute_date_deadline",
+        inverse = "_inverse_date_deadline",
+        readonly = False)
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.add(record.create_date, days=record.validity)
+            else:
+                record.date_deadline = fields.Date.add(fields.Date.today(), days=record.validity)
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            if record.date_deadline:
+                record.validity = (record.date_deadline - record.create_date.date()).days
+            else:
+                record.validity = (fields.Date.today() - record.create_date.date()).days
+
+    def action_status_accepted(self):
+        if self.property_id.state == "new" or self.property_id.state == "offer_received":
+            self.status = "accepted"
+            self.property_id.state = "offer_accepted"
+            self.property_id.selling_price = self.price
+            self.property_id.buyer_id = self.partner_id
+        else:
+            raise UserError("This property has already accepted an offer, been sold, or is cancelled!")
+        return True
+
+    def action_status_refused(self):
+        self.status = "refused"
+        return True

estate/models/estate_property_tag.py

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+from odoo import models, fields
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _check_name_unique = models.Constraint("UNIQUE(name)", "Tag must be unique.")
+    _description = "Estate Property Tag Model"
+
+    name = fields.Char(
+        string = "Property Tag",
+        required = True)

estate/models/estate_property_type.py

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+from odoo import models, fields
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _check_name_unique = models.Constraint("UNIQUE(name)", "Property type must be unique.")
+    _description = "Estate Property Type Model"
+
+    name = fields.Char(
+        string = "Property Type",
+        required = True)

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
+access_estate_property,access_estate_property,model_estate_property,base.group_user,1,1,1,1
+access_estate_property_type,access_estate_property_type,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_property_tag,access_estate_property_tag,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_property_offer,access_estate_property_offer,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus.xml

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+<?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" name="Properties" action="estate_property_action"/>
+        </menuitem>
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" name="Property Types" action="estate_property_type_action"/>
+            <menuitem id="estate_property_tag_menu_action" name="Property Tags" action="estate_property_tag_action"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0"?>
+<odoo> 
+    <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" string="Partner"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <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>
+                <field name="price" string="Price"/>
+                <field name="partner_id" string="Partner"/>
+                <field name="validity"/>
+                <field name="date_deadline"/>
+                <button name="action_status_accepted" type="object" icon="fa-check"/>
+                <button name="action_status_refused" type="object" icon="fa-close"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0"?>
+<odoo> 
+    <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 colspan="2">
+                        <h1><field name="name"/></h1>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_view_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list string="Tags">
+                <field name="name" string="Name"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Tags</field>
+        <field name="res_model">estate.property.tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>

estate/views/estate_property_type_views.xml

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+<?xml version="1.0"?>
+<odoo> 
+    <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 colspan="2">
+                        <h1><field name="name"/></h1>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_type_view_list" 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 string="Properties">
+                <field name="name" string="Property Type"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property Types</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>