19.0 tutorial delje

.gitignore

@@ -127,3 +127,4 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+.vscode/settings.json

estate/__init__.py

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

estate/__manifest__.py

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+{
+    'name': "Estate",
+    'author': "delje",
+    'license': "LGPL-3",
+    'depends': ["base"],
+    'application': True,
+    'installable': True,
+    'data': [
+        '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_views.xml',
+    ],
+}

estate/models/__init__.py

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+from . import estate_property_type
+from . import estate_property_tag
+from . import estate_property_offer
+from . import estate_property

estate/models/estate_property.py

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+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstatePropertyModel(models.Model):
+    _name = "estate_property"
+    _description = "The details of a property"
+
+    name = fields.Char('Estate Name', required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(copy=False, default=fields.Date.today() + relativedelta(months=3))
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(readonly=True)
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Integer(default=0)
+    facades = fields.Integer()
+    has_garage = fields.Boolean()
+    has_garden = fields.Boolean()
+    garden_area = fields.Integer(default=0)
+    garden_orientation = fields.Selection(
+        string='Garden Orientation',
+        selection=[
+           ('east', 'East'),
+           ('west', 'West'),
+           ('north', 'North'),
+           ('south', 'South'),
+           ('', ''),
+        ],
+    )
+    state = fields.Selection(
+        string='State',
+        selection=[
+           ('new', 'New'),
+           ('offer_received', 'Offer Received'),
+           ('offer_accepted', 'Offer Accepted'),
+           ('sold', 'Sold'),
+           ('cancelled', 'Cancelled'),
+        ],
+        default='new',
+    )
+    active = fields.Boolean(default=True)
+    property_type_id = fields.Many2one("estate_property_type", string="Type")
+    buyer_id = fields.Many2one("res.partner", string="Buyer")
+    salesperson_id = fields.Many2one('res.users', string='Salesperson', index=True, default=lambda self: self.env.user)
+    property_tags_ids = fields.Many2many("estate_property_tag", string="Tags")
+    offers_ids = fields.One2many("estate_property_offer", "property_id", string="Offers")
+    total_area = fields.Integer(compute="_compute_total_area", readonly=True)
+    best_price = fields.Float(compute="_compute_best_price", string="Best Offer", readonly=True)
+
+    @api.depends("living_area", "garden_area")
+    def _compute_total_area(self):
+        for record in self:
+            record.total_area = record.garden_area + record.living_area
+
+    @api.depends("offers_ids")
+    def _compute_best_price(self):
+        for record in self:
+            if record.offers_ids:
+                record.best_price = max(record.offers_ids.mapped('price'))
+            else:
+                record.best_price = 0
+
+    @api.onchange("has_garden")
+    def _onchange_has_garden(self):
+        self.garden_area = 10 if self.has_garden else 0
+        self.garden_orientation = 'south' if self.has_garden else ''
+
+    def action_sell_property(self):
+        for record in self:
+            if record.state == 'cancelled':
+                UserError("Cannot sell a cancelled property")
+                return False
+            record.state = 'sold'
+        return True
+
+    def action_cancel_property(self):
+        for record in self:
+            if record.state == 'sold':
+                UserError("Cannot cancel a sold property")
+                return False
+            record.state = 'cancelled'
+        return True
+
+    _check_expected_price_constraint = models.Constraint(
+        'CHECK(expected_price > 0)',
+        'The price of a property must be strictly positive',
+    )
+
+    _check_selling_price_constraint = 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 (not float_is_zero(record.selling_price, 2)) and float_compare(record.selling_price, record.expected_price * 0.9, 2) < 0:
+                error_message = "The selling price is less than 90 percent of the asked price"
+                raise ValidationError(error_message)

estate/models/estate_property_offer.py

@@ -0,0 +1,54 @@
+from datetime import datetime
+
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+
+
+class EstatePropertyOfferModel(models.Model):
+    _name = "estate_property_offer"
+    _description = "An offer for an estate"
+
+    price = fields.Float()
+    status = fields.Selection(string='State',
+            selection=[
+                ('refused', 'Refused'),
+                ('accepted', 'Offer Accepted'),
+            ],
+            copy=False,
+        )
+    partner_id = fields.Many2one("res.partner", string="Buyer")
+    property_id = fields.Many2one("estate_property", string="Property")
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(compute="_compute_deadline", inverse="_inverse_deadline")
+
+    @api.depends("validity")
+    def _compute_deadline(self):
+        for record in self:
+            if record.create:
+                record.date_deadline = datetime.now() + relativedelta(days=record.validity)
+            else:
+                record.date_deadline = record.create_date.date() + relativedelta(days=record.validity)
+
+    def _inverse_deadline(self):
+        for record in self:
+            record.validity = (record.date_deadline - record.create_date.date()).days
+
+    @api.depends("property_id")
+    def action_accept_offer(self):
+        for record in self:
+            if record.status == "accepted" or record.property_id.state in ['cancelled', 'sold', 'offer_accepted']:
+                return False
+            record.property_id.selling_price = record.price
+            record.property_id.state = 'offer_accepted'
+            record.property_id.buyer_id = record.partner_id
+            record.status = 'accepted'
+        return True
+
+    @api.depends("property_id")
+    def action_refuse_offer(self):
+        for record in self:
+            if record.property_id.state in ['cancelled', 'sold']:
+                return False
+            record.status = 'refused'
+        return True

estate/models/estate_property_tag.py

@@ -0,0 +1,13 @@
+from odoo import fields, models
+
+
+class EstatePropertyTagModel(models.Model):
+    _name = "estate_property_tag"
+    _description = "The tag of an estate"
+
+    name = fields.Char(required=True)
+
+    _unique_name = models.Constraint(
+        'UNIQUE(name)',
+        'A property tag name must be unique',
+    )

estate/models/estate_property_type.py

@@ -0,0 +1,13 @@
+from odoo import fields, models
+
+
+class EstatePropertyTypeModel(models.Model):
+    _name = "estate_property_type"
+    _description = "The type of an estate"
+
+    name = fields.Char(required=True)
+
+    _unique_name = models.Constraint(
+        'UNIQUE(name)',
+        'A property tag 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_estate_model,access_estate_model,model_estate_property,base.group_user,1,1,1,1
+access_estate_type_model,access_estate_type_model,model_estate_property_type,base.group_user,1,1,1,1
+access_estate_tag_model,access_estate_tag_model,model_estate_property_tag,base.group_user,1,1,1,1
+access_estate_offer_model,access_estate_offer_model,model_estate_property_offer,base.group_user,1,1,1,1

estate/views/estate_menus_views.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <menuitem id="estate_menu_root" name="Real Estate">
+        <menuitem id="estate_advertisements_menu" name="Ads">
+            <menuitem id="estate_property_menu" action="estate_property_action"/>
+        </menuitem>
+
+        <menuitem id="estate_settings_menu" name="Settings">
+            <menuitem id="estate_property_types_menu" action="estate_property_type_action"/> <!-- Property Types -->
+            <menuitem id="estate_property_tag_menu" action="estate_property_tag_action"/> <!-- Property Tags -->
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

@@ -0,0 +1,19 @@
+
+<odoo>
+    <!-- List View -->
+    <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="Tags">
+                <field string="Buyer" name="partner_id"/>
+                <field string="Price" name="price"/>
+                <field string="Status" name="status"/>
+                <button name="action_accept_offer" string="Accept" type="object" icon="fa-check" invisible="status in ('accepted','refused')"/>
+                <button name="action_refuse_offer" string="Refuse" type="object" icon="fa-times" invisible="status in ('accepted','refused')"/>
+            </list>
+        </field>
+    </record>
+
+
+</odoo>

estate/views/estate_property_tag_views.xml

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+
+<odoo>
+    <!-- Action Handler -->
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tags</field>
+        <field name="res_model">estate_property_tag</field>
+        <field name="view_mode">list,form</field>
+    </record>
+
+    <!-- List View -->
+    <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 string="Tags" name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="estate_property_tag_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>
+                    <h1><field name="name"></field></h1>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>

estate/views/estate_property_type_views.xml

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+
+<odoo>
+    <!-- Action Handler -->
+    <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>
+
+    <!-- List View -->
+    <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="Types">
+                <field string="Types" name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <record id="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>
+                <sheet>
+                    <h1><field name="name"></field></h1>
+                </sheet>
+            </form>
+        </field>
+    </record>
+</odoo>