[ADD] estate:estate module creation and model implementation.

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': "Estate",
+    'version': '1.0',
+    'depends': ['base'],
+    'author': "habar",
+    'category': 'Tutorials',
+    'description': """
+    This is the sample module for practise.
+    """,
+    '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',
+    ],
+    'application': True,
+    'license': 'LGPL-3',
+    'installable': 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 dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstateProperty(models.Model):
+    _name = 'estate.property'
+    _description = 'Real Estate Property'
+
+    name = fields.Char(string="Title", required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(string="Available From", copy=False, default=lambda self: fields.Date.today() + relativedelta(months=3))
+    expected_price = fields.Float(string="Expected Price", required=True)
+    selling_price = fields.Float(string="Selling Price", copy=False)
+    bedrooms = fields.Integer(default=2)
+    living_area = fields.Float(string="Living Area (spm)")
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Float(string="Garden Area (spm)")
+    total_area = fields.Float(string="Total Area (sqm)", compute="_computed_total_area")
+    garden_orientation = fields.Selection([
+        ('north', "North"),
+        ('east', "East"),
+        ('west', "West"),
+        ('south', "South")
+    ])
+    active = fields.Boolean(string="Active", default=True)
+    state = fields.Selection([
+        ('new', "New"),
+        ('offer_received', "Offer Received"),
+        ('offer_accepted', "Offer Accepted"),
+        ('sold', "Sold"),
+        ('cancelled', "Cancelled")
+    ], copy=False, default='new')
+    property_type_id = fields.Many2one('estate.property.type', string="Property Type", ondelete="cascade")
+    sales_person_id = fields.Many2one('res.users', string='Salesman', ondelete='cascade')
+    buyer_id = fields.Many2one('res.partner', string='Buyer', ondelete='cascade')
+    property_tag_ids = fields.Many2many('estate.property.tag')
+    offer_ids = fields.One2many('estate.property.offer', 'property_id', string="Offers")
+    best_price = fields.Float(string="Best Offer", compute="_computed_best_offer", search="_search_best_offer", store=False)
+
+    @api.depends("living_area", "garden_area")
+    def _computed_total_area(self):
+        for rec in self:
+            rec.total_area = rec.living_area + rec.garden_area
+
+    @api.depends("offer_ids.price")
+    def _computed_best_offer(self):
+        prices = self.offer_ids.mapped("price")
+        self.best_price = max(prices) if prices else 0.0
+
+    def _search_best_offer(self, operator, value):
+        return [
+            '&',
+            ('offer_ids.price', '>', 10000),
+            ('offer_ids.price', operator, value)
+        ]
+
+    @api.onchange("garden")
+    def _onchange_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = 'north'
+
+            return {
+                'warning': {
+                    'title': "Garden Enabled",
+                    'message': "Default area set to 10 and orientation north",
+                    'type': "notification"
+                }
+            }
+        else:
+            self.garden_area = 0
+            self.garden_orientation = False
+
+    def set_property_cancelled(self):
+        for rec in self:
+            if rec.state == 'cancelled':
+                raise UserError("Sold property can not be cancelled.")
+            rec.state = 'cancelled'
+        return True
+
+    def set_property_sold(self):
+        for rec in self:
+            if rec.state == 'cancelled':
+                raise UserError("Cancelled properties can not be sold.")
+            rec.state = 'sold'
+        return True

estate/models/estate_property_offer.py

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+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models
+from odoo.exceptions import UserError
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Offer"
+
+    price = fields.Float(string='Price')
+    status = fields.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(default=7)
+    date_deadline = fields.Date(string="Deadline", compute="_compute_deadline_method", inverse="_inverse_deadline_method")
+
+    @api.depends("create_date", "validity")
+    def _compute_deadline_method(self):
+        for rec in self:
+            create_date = rec.create_date.date() if rec.create_date else fields.Date.today()
+            rec.date_deadline = create_date + relativedelta(days=rec.validity)
+
+    def _inverse_deadline_method(self):
+        for rec in self:
+            create_date = rec.create_date.date() if rec.create_date else fields.Date.today()
+            rec.validity = relativedelta(rec.date_deadline, create_date).days
+
+    def action_accept_offer(self):
+        for rec in self:
+            if any(i.status == "accepted" for i in rec.property_id.offer_ids):
+                raise UserError("Offer already accepted for given property.")
+
+            rec.status = "accepted"
+            rec.property_id.buyer_id = rec.partner_id.id
+            rec.property_id.selling_price = rec.price
+            rec.property_id.state = "offer_accepted"
+            return True
+
+    def action_refuse_offer(self):
+        for rec in self:
+            rec.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 Tag'
+
+    name = fields.Char(string='Tag', required=True)

estate/models/estate_property_type.py

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+from odoo import fields, models
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Estate property type"
+
+    name = fields.Char(string="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_property_menu_root" name="Real Estate">
+        <menuitem id="estate_property_menu_advertisment" name="Advertisments">
+            <menuitem id="estate_property_menu_action" action="estate_property_action" name="Properties"/>
+        </menuitem>
+        <menuitem id="estate_property_type_menu" name="Settings">
+            <menuitem id="estate_property_type_menu_action" action="estate_property_type_action" name="Property Types"/>
+            <menuitem id="estate_property_tag_menu_action" action="estate_property_tag_action" name="Property Tags"/>
+        </menuitem>
+    </menuitem>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_offer_form_view" 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>
+                <field name='price'/>
+                <field name='partner_id'/>
+                <field name='validity' string="Validity (days)"/>
+                <field name='date_deadline'/>
+                <field name='status'/>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_list_view" 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="Offers">
+                <field name='price'/>
+                <field name='partner_id'/>
+                <field name='validity' string="Validity (days)"/>
+                <field name='date_deadline'/>
+                <button name="action_accept_offer" type="object" icon="fa-check" title="Accept"/>
+                <button name="action_refuse_offer" type="object" icon="fa-times" title="Refuse"/>
+                <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_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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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_type_action" model="ir.actions.act_window">
+        <field name="name">Property Type</field>
+        <field name="res_model">estate.property.type</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>

estate/views/estate_property_views.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="estate_property_form" model="ir.ui.view">
+        <field name="name">estate.property.form</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <form string="Properties">
+                <header>
+                    <button name="set_property_sold" type="object">Sold</button>
+                    <button name="set_property_cancelled" type="object">Cancel</button>
+                </header>
+                <sheet>
+                    <h1><field name="name"/></h1>
+                    <h4><field name='property_tag_ids' widget='many2many_tags'/></h4>
+                    <group>
+                        <group>
+                            <field name="state" string="Status"/>
+                            <field name='property_type_id'/>
+                            <field name="postcode"/>
+                            <field name="date_availability"/>
+                        </group>
+                        <group>
+                            <field name="expected_price"/>
+                            <field name="best_price"/>
+                            <field name="selling_price"/>
+                        </group>
+                    </group>
+                    <notebook>
+                        <page string="Description">
+                            <group>
+                                <field name="description"/>
+                                <field name="bedrooms"/>
+                                <field name="living_area"/>
+                                <field name="facades"/>
+                                <field name="garage"/>
+                                <field name="garden"/>
+                                <field name="garden_area"/>
+                                <field name="garden_orientation"/>
+                                <field name="total_area"/>
+                                <field name="state"/>
+                            </group>
+                        </page>
+                        <page string="Offers">
+                            <field name="offer_ids"/>
+                        </page>
+                        <page string="Other Info">
+                            <group>
+                                <field name="sales_person_id"/>
+                                <field name="buyer_id"/>
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_list" model="ir.ui.view">
+        <field name="name">estate.property.list</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <list string="Properties" limit="20">
+                <field name="name"/>
+                <field name="postcode"/>
+                <field name="bedrooms"/>
+                <field name="living_area"/>
+                <field name="expected_price"/>
+                <field name="selling_price"/>
+                <field name="date_availability"/>
+                <field name='best_price'/>
+                <field name='total_area'/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_search" model="ir.ui.view">
+        <field name="name">estate.property.search</field>
+        <field name="model">estate.property</field>
+        <field name="arch" type="xml">
+            <search string="Search Properties">
+                <field name='name'/>
+                <field name='bedrooms'/>
+                <field name='facades'/>
+                <field name='postcode'/>
+                <field name='expected_price'/>
+                <field name='date_availability'/>
+                <field name='total_area'/>
+                <field name='best_price'/>
+                <filter string="Available" name="available" domain="[('state','in',['new','offer_received'])]"/>
+                <filter string="Postcode" name="group_by_postcode" context="{'group_by':'postcode'}"/>
+            </search>
+        </field>
+    </record>
+
+    <record id="estate_property_action" model="ir.actions.act_window">
+        <field name="name">Properties</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+    </record>
+</odoo>