Tutorials - mobar

estate/__init__.py

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+from . import models

estate/__manifest__.py

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

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 api, fields, models
+from odoo.exceptions import UserError, ValidationError
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class RecurringPlan(models.Model):
+    _name = "estate.property"
+    _description = "Real Estate Property"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date()
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float()
+    bedrooms = fields.Integer()
+    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(
+        selection=[
+            ('new', 'New'),
+            ('offer_received', 'Offer Received'),
+            ('offer_accepted', 'Offer Accepted'),
+            ('sold', 'Sold'),
+            ('cancelled', 'Cancelled')
+        ],
+        default='new',
+        required=True
+    )
+    buyer_id = fields.Many2one('res.partner', string='Buyer')
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    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", string="Best Offer 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 property in self:
+            if not float_is_zero(property.selling_price, precision_digits=2):
+                if float_compare(property.selling_price, property.expected_price * 0.9, precision_digits=2) < 0:
+                    raise ValidationError(self.env._("The selling price cannot be lower than 90% of the expected price."))
+
+    @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:
+            if record.offer_ids:
+                record.best_price = max(record.offer_ids.mapped('price'))
+            else:
+                record.best_price = 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
+
+    def action_sold(self):
+        for record in self:
+            if record.state == 'cancelled':
+                raise UserError(self.env._("Cancelled property cannot be sold."))
+            record.state = 'sold'
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError(self.env._("Sold property cannot be cancelled."))
+            record.state = 'cancelled'
+        return True

estate/models/estate_property_offer.py

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+from datetime import timedelta
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float(required=True)
+    status = fields.Selection(
+        selection=[
+            ('accepted', 'Accepted'),
+            ('refused', 'Refused')
+        ],
+        copy=False
+    )
+    partner_id = fields.Many2one('res.partner', string='Partner', required=True)
+    property_id = fields.Many2one("estate.property", string="Property", required=True)
+    validity = fields.Integer(default=7, string="Validity (days)")
+    date_deadline = fields.Date(
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+        store=True,
+        string="Deadline",
+    )
+
+    _check_price = models.Constraint('Check(price > 0)', "The offer price must be strictly positive.")
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for offer in self:
+            offer.date_deadline = fields.Date.today() + timedelta(days=offer.validity)
+
+    def _inverse_date_deadline(self):
+        for offer in self:
+            if offer.date_deadline:
+                offer.validity = (offer.date_deadline - fields.Date.today()).days
+
+    def action_accept(self):
+        for record in self:
+            if record.property_id.offer_ids.filtered(lambda o: o.status == 'accepted' and o.id != record.id):
+                raise UserError(self.env._("Only one offer can be accepted per property."))
+            record.status = 'accepted'
+            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

estate/models/estate_property_tag.py

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

estate/models/estate_property_type.py

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

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" encoding="utf-8"?>
+<odoo>
+    <!-- Main menu -->
+    <menuitem id="estate_menu_root" name="Real Estate"/>
+
+    <!-- Properties menu -->
+    <menuitem id="estate_property_menu" 
+              name="Advertisements" 
+              parent="estate_menu_root"/>
+
+    <menuitem id="estate_property_menu_action" 
+              name="Properties" 
+              parent="estate_property_menu" 
+              action="estate_property_action"/>
+
+    <!-- Settings menu -->
+    <menuitem id="estate_settings_menu" 
+              name="Settings" 
+              parent="estate_menu_root"/>
+
+    <menuitem id="estate_property_type_menu_action" 
+              name="Property Types" 
+              parent="estate_settings_menu" 
+              action="estate_property_type_action"/>
+
+    <menuitem id="estate_property_tag_menu_action" 
+              name="Property Tags" 
+              parent="estate_settings_menu" 
+              action="estate_property_tag_action"/>
+
+    <menuitem id="estate_property_offer_menu_action" 
+              name="Property Offers" 
+              parent="estate_settings_menu" 
+              action="estate_property_offer_action"/>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<odoo>
+    <!-- Tree View -->
+    <record id="estate_property_offer_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.offer.view.tree</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"/>
+                <field name="status"/>
+                <button name="action_accept" type="object" icon="fa-check" title="Accept"/>
+                <button name="action_refuse" type="object" icon="fa-times" title="Refuse"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form View -->
+    <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>
+                <sheet>
+                    <group>
+                        <field name="price"/>
+                        <field name="partner_id"/>
+                        <field name="property_id"/>
+                        <field name="validity"/>
+                        <field name="date_deadline"/>
+                        <field name="status"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Property Offers</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>

estate/views/estate_property_tag_views.xml

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+<odoo>
+    <!-- List view -->
+    <record id="estate_property_tag_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.tag.view.tree</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list string="Property Tags">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form view -->
+    <record id="estate_property_tag_view_form" model="ir.ui.view">
+        <field name="name">estate.property.tag.view.form</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <form string="Property Tag">
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <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>
+</odoo>

estate/views/estate_property_type_views.xml

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+<odoo>
+    <!-- List view -->
+    <record id="estate_property_type_view_tree" model="ir.ui.view">
+        <field name="name">estate.property.type.view.tree</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <list string="Property Types">
+                <field name="name"/>
+            </list>
+        </field>
+    </record>
+
+    <!-- Form view -->
+    <record id="estate_property_type_view_form" model="ir.ui.view">
+        <field name="name">estate.property.type.view.form</field>
+        <field name="model">estate.property.type</field>
+        <field name="arch" type="xml">
+            <form string="Property Type">
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Action -->
+    <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>