[ADD] estate: real estate module

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real Estate",
+    "category": "Real Estate/Brokerage",
+    "application": True,
+    "installable": True,
+    "depends": ["base"],
+    "data": [
+        "security/estate_security.xml",
+        "security/ir.model.access.csv",
+        "views/estate_property_offers_views.xml",
+        "views/estate_property_tag_views.xml",
+        "views/estate_property_type_views.xml",
+        "views/estate_property_views.xml",
+        "views/estate_menus.xml",
+    ],
+    "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_offers

estate/models/estate_property.py

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+from odoo import api, fields, models, exceptions
+from odoo.tools.float_utils import float_compare, float_is_zero
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availaility = fields.Date(
+        default=(fields.Date.add(fields.Date.today(), days=90)), copy=False
+    )
+
+    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="Type",
+        selection=[
+            ("North", "north"),
+            ("South", "south"),
+            ("East", "east"),
+            ("West", "west"),
+        ],
+        help="Type is used to know the direction of the Garden ",
+    )
+    active = fields.Boolean(default=True)
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        required=True,
+        copy=False,
+        default="new",
+        string="Status",
+    )
+    property_type_ids = fields.Many2one("estate.property.type", string="Property Type")
+    salesman = fields.Many2one("res.users", default=lambda self: self.env.user)
+    buyer = fields.Many2one("res.partner", readonly=True, copy=False)
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    offers_ids = fields.One2many("estate.property.offers", "property_id")
+    total_area = fields.Integer(compute="_compute_area")
+    best_price = fields.Float(compute="_compute_bestprice")
+
+    _sql_constraints = [
+        (
+            "check_positive_prices",
+            "CHECK(expected_price > 0 AND selling_price > 0)",
+            "Prices must be positive",
+        )
+    ]
+
+    # it's calculate the total area
+    @api.depends("living_area", "garden_area")
+    def _compute_area(self):
+        for area in self:
+            area.total_area = area.living_area + area.garden_area
+
+    # it's taking the best offer from among all
+    @api.depends("offers_ids.price")
+    def _compute_bestprice(self):
+        for record in self:
+            record.best_price = max(record.offers_ids.mapped("price"), default=0)
+
+    # change the values on the basis of the garden True or False
+    @api.onchange("garden")
+    def _onchnage_garden(self):
+        if self.garden:
+            self.garden_area = 10
+            self.garden_orientation = "North"
+        else:
+            self.garden_area = 0
+            self.garden_orientation = ""
+
+    def action_cancel(self):
+        for record in self:
+            if record.state != "sold":
+                record.state = "cancelled"
+            else:
+                raise exceptions.UserError("A sold property cannot be cancelled")
+
+    def action_sold(self):
+        for record in self:
+            if record.state != "cancelled":
+                record.state = "sold"
+            else:
+                raise exceptions.UserError("A cancelled property cannot be set as sold")
+
+    @api.constrains("expected_price", "selling_price")
+    def _check_selling_price(self):
+        for record in self:
+            if not float_is_zero(record.selling_price, precision_digits=2):
+                min_acceptable_price = record.expected_price * 0.9
+                if (
+                    float_compare(
+                        record.selling_price, min_acceptable_price, precision_digits=2
+                    )
+                    < 0
+                ):
+                    raise exceptions.UserError(
+                        "Selling price must be at least 90% of the expected price."
+                    )

estate/models/estate_property_offers.py

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+from odoo import fields, models, api, exceptions
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offers"
+    _description = "Estate Property Offer"
+    _order = "price desc"
+    _sql_constraints = [
+        ("postive_price", "CHECK(price > 0)", "Prices must be positive")
+    ]
+
+    price = fields.Float()
+    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)
+    property_type_id = fields.Many2one(
+        "estate.property.type", related="property_id.property_type_ids", required=True
+    )
+    validity = fields.Integer(default=7)
+    date_deadline = fields.Date(
+        compute="_compute_deadline", inverse="_inverse_deadline", store=True
+    )
+
+    # date_deadline
+    @api.depends("create_date", "validity")
+    def _compute_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.date_deadline = fields.Date.add(
+                    record.create_date, days=record.validity
+                )
+            # if user adding new data then their is no available of create_date then use today
+            else:
+                record.date_deadline = fields.Date.add(
+                    fields.Date.today(), days=record.validity
+                )
+
+    def _inverse_deadline(self):
+        for record in self:
+            if record.create_date:
+                record.validity = (
+                    record.date_deadline - record.create_date.date()
+                ).days
+            else:
+                record.validity = (
+                    record.date_deadline - record.fields.Date.today()
+                ).days
+
+    def action_accepted(self):
+        for record in self:
+            # selling price is default 0 and field is readonly then when the selling_price 0 so their is no offer is accepted yet
+            if record.property_id.selling_price == 0:
+                record.status = "Accepted"
+                record.property_id.selling_price = record.price
+                record.property_id.buyer = record.partner_id
+                record.property_id.state = "offer_accepted"
+
+                # if one offer is accepted then other offers are refused automatically
+
+                other_record = self.env["estate.property.offers"].search(
+                    [
+                        ("property_id", "=", record.property_id.id),
+                        ("id", "!=", record.id),
+                    ]
+                )
+                other_record.write({"status": "refused"})
+
+            else:
+                raise exceptions.UserError("Already One Offer is Accepted")
+
+    def action_refused(self):
+        for record in self:
+            record.status = "refused"

estate/models/estate_property_tag.py

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+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Estate Property Tag"
+    _order = "name"
+    _sql_constraints = [("unique_tag", "UNIQUE(name)", "Tag name must be unique")]
+
+    name = fields.Char(required=True)
+    color = fields.Integer()

estate/models/estate_property_type.py

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+from odoo import fields, models, api
+
+
+class EstatePropertyType(models.Model):
+    _name = "estate.property.type"
+    _description = "Property Type"
+    _order = "sequence, name"
+    _sql_constraints = [("unique_type", "UNIQUE(name)", "Type name must be unique")]
+
+    name = fields.Char(required=True)
+    property_ids = fields.One2many(
+        "estate.property", "property_type_ids", string="Properties"
+    )
+    sequence = fields.Integer("Sequence", default=1)
+    offers_ids = fields.One2many(
+        "estate.property.offers", "property_type_id", string="Offers"
+    )
+    offer_count = fields.Integer(compute="_compute_offers_count")
+
+    @api.depends("offers_ids")
+    def _compute_offers_count(self):
+        for record in self:
+            record.offer_count = len(record.offers_ids)

estate/security/estate_security.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="estate_group_user" model="res.groups">
+        <field name="name">Agent</field>
+        <field name="category_id" ref="base.module_category_real_estate_brokerage" />
+        <field name="implied_ids" eval="[(4, ref('base.group_user'))]" />
+        <field name="users" eval="[(4, ref('base.user_root'))]"/>
+    </record>
+
+    <record id="estate_group_manager" model="res.groups">
+        <field name="name">Manager</field>
+        <field name="category_id" ref="base.module_category_real_estate_brokerage" />
+        <field name="implied_ids" eval="[(4, ref('estate_group_user'))]" />
+         <field name="users" eval="[(4, ref('base.user_admin'))]"/>
+        <field name="comment">The user will be able to approve document created by employees.</field>
+    </record>
+</odoo>

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_user,estate.property user,model_estate_property,estate.estate_group_user,1,0,0,0
+access_estate_property_admin,estate.property admin,model_estate_property,estate.estate_group_manager,1,1,1,1
+access_estate_property_type_admin,estate.property.type admin,model_estate_property_type,estate.estate_group_manager,1,1,1,1
+access_estate_property_tag_admin,estate.property.tag admin,model_estate_property_tag,estate.estate_group_manager,1,1,1,1
+access_estate_property_offers_admin,estate.property.offers admin,model_estate_property_offers,estate.estate_group_manager,1,1,1,1

estate/views/estate_menus.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+  <menuitem id="estate_menu_root" name="Real Estate">
+    <menuitem id="estate_first_level_menu" name="Advertisements">
+      <menuitem id="estate_property_menu_action" action="estate_property_action" />
+    </menuitem>
+
+    <menuitem id="estate_setting" name="Setting">
+      <menuitem id="estate_setting_menu_action" action="estate_property_type_action" />
+      <menuitem id="estate_setting_tag_action" action="estate_property_tag_action" />
+    </menuitem>
+  </menuitem>
+
+
+</odoo>

estate/views/estate_property_offers_views.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record id="estate_property_offers_action" model="ir.actions.act_window">
+        <field name="name">Property Offers</field>
+        <field name="res_model">estate.property.offers</field>
+        <field name="view_mode">list,form</field>
+        <field name="domain">[('property_type_id','=',active_id)]</field>
+    </record>
+
+    <record id="estate_property_offers_list_view" model="ir.ui.view" >
+        <field name="name">estate.property.offers.list</field>
+        <field name="model">estate.property.offers</field>
+        <field name="arch" type="xml">
+            <list editable="bottom" decoration-danger="status=='refused'" decoration-success="status=='Accepted'">
+                <field name="partner_id" />
+                <field name="price" />
+                <field name="validity" />
+                <field name="date_deadline" />
+                <button name="action_accepted" type="object" string="Accepted" icon="fa-check" invisible="status in ['Accepted','refused']"/>
+                <button name="action_refused" type="object" string="Refused" icon="fa-times" invisible="status in ['Accepted','refused']"/>
+            </list>
+        </field>
+    </record>
+
+    <record id="estate_property_offers_form_view" model="ir.ui.view">
+        <field name="name">estate.property.offers.form</field>
+        <field name="model">estate.property.offers</field>
+        <field name="arch" type="xml">
+            <form>
+                <group>
+                    <field name="partner_id" />
+                    <field name="price" />
+                    <field name="validity" />
+                    <field name="date_deadline" />
+                </group>
+            </form>
+        </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_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 editable="bottom">
+                <field name="name" />
+            </list>
+        </field>
+    </record>
+</odoo>