[ADD] estate:Initialize new module

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': 'Estate',
+    'version': '0.1',
+    'summary': 'This is the Real Estate Advertisement module',
+    'description': 'This is the Real Estate Advertisement module.',
+    'data': [
+        'security/ir.model.access.csv',
+        'views/estate_property_offer_views.xml',
+        'views/estate_property_views.xml',
+        'views/estate_property_type_views.xml',
+        'views/estate_property_tag_views.xml',
+        'views/estate_menus.xml'
+    ],
+    'author': 'Milan Bavishi',
+    'license': 'LGPL-3'
+}

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, ValidationError
+from odoo.tools import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "This is the table of real estate property data"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        copy=False, default=lambda self: fields.Date.today() + relativedelta(month=3)
+    )
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float(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="Garden Orientation",
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+    )
+    state = fields.Selection(
+        string="State",
+        default="new",
+        required=True,
+        copy=False,
+        selection=[
+            ("new", "New"),
+            ("offer received", "Offer Received"),
+            ("offer accepted", "Offer accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+    )
+    active = fields.Boolean()
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    customer = fields.Many2one(
+        "res.partner", string="Customer", copy=False, readonly=True
+    )
+    salesperson = fields.Many2one(
+        "res.users",
+        string="Salesperson",
+        readonly=True,
+        default=lambda self: self.env.user,
+    )
+    tag_ids = fields.Many2many("estate.property.tag", string="Tag type")
+    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")
+
+    _check_expected_price = models.Constraint(
+        "check(expected_price > 0)",
+        "The Expected Price must be positive",
+    )
+
+    @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:
+            prices = record.offer_ids.mapped("price")
+            record.best_price = max(prices) if prices else 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 = None
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == 'sold':
+                raise UserError(_("You cannot cannoy cancel the property that already cancelled"))
+        self.write({"state": "cancelled"})
+
+    def action_sold(self):
+        if self.filtered(lambda record: record.state == "cancelled"):
+            raise UserError(
+                _("You cannot Sold the property offer that already Cancelled")
+            )
+        if not self.customer:
+            raise UserError(
+                _("You can not sold the property that has no customer")
+            )
+        self.write({"state": "sold"})
+
+    @api.constrains("selling_price", "expected_price")
+    def _check_selling_price(self):
+        for record in self:
+            if float_is_zero(record.selling_price, precision_digits=2):
+                continue
+
+            min_price = record.expected_price * 0.9
+            if float_compare(record.selling_price, min_price, precision_digits=2) < 0:
+                raise ValidationError(_("The Selling price cannot be lower than 90% of the expected price."))
+
+    @api.constrains("offer_ids")
+    def _check_offer_vaild(self):
+        for record in self:
+            if record.state == "sold":
+                UserError(_("already offer is accept"))

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 = "This is the table of offer that is received for property"
+    _order = "price desc"
+
+    price = fields.Float('price')
+    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(default=7)
+    date_deadline = fields.Date(compute="_compute_date_deadline", inverse="_inverse_date_deadline", store=True)
+    property_type_id = fields.Many2one("estate.property.type", related="property_id.property_type_id", store=True)
+
+    _check_offer_price = models.Constraint(
+        "check(price > 0)",
+        "Offer price must be positive",
+    )
+
+    @api.depends("validity")
+    def _compute_date_deadline(self):
+        for record in self:
+            create = record.create_date or fields.Date.today()
+            record.date_deadline = (create + relativedelta(days=record.validity))
+
+    def _inverse_date_deadline(self):
+        for record in self:
+            create = record.create_date or fields.Date.today()
+            record.validity = (record.date_deadline - fields.Date.today(create)).days
+
+    def action_accept_offer(self):
+        for offer in self:
+            if offer.property_id.customer:
+                raise UserError(_("Only one offer can be accepted."))
+            offer.property_id.customer = offer.partner_id
+            offer.property_id.selling_price = offer.price
+            offer.property_id.state = "sold"
+            offer.status = "accepted"
+        other_offer = offer.property_id.offer_ids.filtered(
+            lambda s: s.status != offer.status
+        )
+        other_offer.status = "refused"
+
+    def action_refuse_offer(self):
+        for offer in self:
+            offer.status = "refused"
+
+        return True

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTags(models.Model):
+    _name = "estate.property.tag"
+    _description = "This table contain the types of tags"
+    _order = "name asc"
+
+    name = fields.Char(required=True)
+    color = fields.Integer(string="color")
+
+    _name_uniq = models.Constraint(
+        "unique(name)",
+        "Tag name is must be Unique",
+    )

estate/models/estate_property_type.py

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+from odoo import api, fields, models
+
+
+class EstatePropertyTypes(models.Model):
+    _name = "estate.property.type"
+    _description = "This is table contain the types of property"
+    _order = "name asc"
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many("estate.property", "property_type_id")
+    offer_ids = fields.One2many("estate.property.offer", "property_type_id")
+    offer_count = fields.Integer(compute="_compute_offer_count")
+
+    _name_uniq = models.Constraint(
+        "unique(name)",
+        "Property Types must be Unique",
+    )
+
+    @api.depends("offer_ids")
+    def _compute_offer_count(self):
+        for record in self:
+            record.offer_count = len(record.offer_ids)

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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+<odoo>
+    <data>
+        <menuitem
+            id="estate_property_menu"
+            name="Estate Property"/>
+        <menuitem
+            id="estate_property_menu_advertisements"
+            name="Advertisements"
+            parent="estate_property_menu"
+            sequence="5"/>
+        <menuitem
+            id="estate_property_menu_properties"
+            name="Properties"
+            parent="estate_property_menu_advertisements"
+            action="estate_property_action"
+            sequence="5"/>
+        <menuitem
+            id="estate_property_menu_settings"
+            name="Settings"
+            parent="estate_property_menu"
+            sequence="10"/>
+        <menuitem
+            id="estate_property_menu_types"
+            name="Property Types"
+            parent="estate_property_menu_settings"
+            action="estate_property_type_action"
+            sequence="5"/>
+        <menuitem
+            id="estate_property_menu_tags"
+            name="Property Tags"
+            parent="estate_property_menu_settings"
+            action="estate_property_tag_action"
+            sequence="10"/>
+    </data>
+</odoo>

estate/views/estate_property_offer_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="estate_property_offer_action" model="ir.actions.act_window">
+        <field name="name">Property Offer</field>
+        <field name="res_model">estate.property.offer</field>
+        <field name="view_mode">list,form</field>
+        <field name="domain">[("property_type_id", "=", active_id)]</field>
+    </record>
+
+    <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="validity"/>
+                        <field name="date_deadline"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_offer_view_list" model="ir.ui.view">
+        <field name="name">estate_property_offer.view.list</field>
+        <field name="model">estate.property.offer</field>
+        <field name="arch" type="xml">
+            <list editable="bottom" decoration-danger="status == 'refused'"
+                            decoration-success="status == 'accepted'">
+                <field name="price"/>
+                <field name="partner_id"/>
+                <field name="validity"/>
+                <button
+                    name="action_accept_offer"
+                    type="object"
+                    string="Accpet"
+                    icon="fa-check"
+                    invisible="status in ('accepted', 'refused')"/>
+                <button
+                    name="action_refuse_offer"
+                    type="object"
+                    string="refuse"
+                    icon="fa-close"
+                    invisible="status in ('accepted', 'refused')"/>
+                <field name="date_deadline"/>
+                <field name="status"/>
+            </list>
+        </field>
+    </record>
+
+</odoo>

estate/views/estate_property_tag_views.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record id="estate_property_tag_action" model="ir.actions.act_window">
+        <field name="name">Property Tag</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.view.form</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <form>
+                <sheet>
+                    <group>
+                        <h1>
+                            <field name="name" placeholder="Add Tag"/>
+                        </h1>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <record id="estate_property_type_view_list" model="ir.ui.view">
+        <field name="name">estate.property.tag.view.list</field>
+        <field name="model">estate.property.tag</field>
+        <field name="arch" type="xml">
+            <list editable="bottom">
+                <field name="name" string="Tags"/>
+            </list>
+        </field>
+    </record>
+</odoo>