[ADD] estate: initialize estate tutorial module

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    "name": "Real Estate",
+    "depends": ["base"],
+    "data": [
+        "security/estate_security.xml",
+        "security/ir.model.access.csv",
+        "views/property_maintenance_views.xml",
+        "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",
+        "data/demo_types.xml",
+        "data/demo_tags.xml",
+        "data/demo_property.xml",
+    ],
+    "application": True,
+    "author": "dhruvi kalariya",
+    "license": "LGPL-3",
+    "installable": True,
+}

estate/data/demo_property.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="demo_property1" model="estate.property">
+        <field name="name">House in ahemedabad</field>
+        <field name="expected_price">700000</field>
+        <field name="description">near sg highway</field>
+        <field name="postcode">123456</field>
+        <field name="expected_price">123456</field>
+        <field name="bedrooms">3</field>
+        <field name="living_area">180</field>
+        <field name="facades">2</field>
+        <field name="garage">True</field>
+        <field name="garden">True</field>
+        <field name="garden_area">120</field>
+        <field name="garden_orientation">south</field>
+        <field name="active">True</field>
+        <field name="property_type_id" ref="estate_demo_types1"/>
+        <field name="tag_ids" eval="[(6, 0, [ref('estate_demo_tag_cozy'), ref('estate_demo_tag_luxury')])]"></field>
+    </record> 
+
+    <record id="demo_property2" model="estate.property">
+        <field name="name">Flat in surat</field>
+        <field name="expected_price">500000</field>
+        <field name="description">near station</field>
+        <field name="postcode">543210</field>
+        <field name="expected_price">123456</field>
+        <field name="bedrooms">3</field>
+        <field name="living_area">180</field>
+        <field name="facades">2</field>
+        <field name="garage">True</field>
+        <field name="garden">True</field>
+        <field name="garden_area">120</field>
+        <field name="garden_orientation">west</field>
+        <field name="active">True</field>
+        <field name="property_type_id" ref="estate_demo_types1"/>
+        <field name="tag_ids" eval="[(6, 0, [ref('estate_demo_tag_cozy')])]"></field>
+    </record> 
+</odoo>

estate/data/demo_tags.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="estate_demo_tag_renovated" model="estate.property.tag">
+        <field name="name">Renovated</field> 
+    </record>
+
+    <record id="estate_demo_tag_cozy" model="estate.property.tag">
+        <field name="name">Cozy</field> 
+    </record>
+
+    <record id="estate_demo_tag_luxury" model="estate.property.tag">
+        <field name="name">Luxury</field> 
+    </record>
+
+    <record id="estate_demo_tag_pool" model="estate.property.tag">
+        <field name="name">With Pool</field> 
+    </record>
+
+    <record id="estate_demo_tag_view" model="estate.property.tag">
+        <field name="name">Sea View</field> 
+    </record>
+</odoo>

estate/data/demo_types.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="estate_demo_types" model="estate.property.type">
+        <field name="name">Residential</field> 
+    </record>
+
+    <record id="estate_demo_types1" model="estate.property.type">
+        <field name="name">Commercial</field> 
+    </record>
+
+    <record id="estate_demo_types2" model="estate.property.type">
+        <field name="name">Industrial</field> 
+    </record>
+</odoo>

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
+from . import property_maintenance

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 = "Real Estate Property"
+    _order = "id desc"
+
+    name = fields.Char(string="Title", required=True, default="Unknown")
+    property_type_id = fields.Many2one("estate.property.type", string="Property Type")
+    tag_ids = fields.Many2many("estate.property.tag", string="Tags")
+    description = fields.Text(string="Description")
+    postcode = fields.Char(string="Postcode")
+    date_availability = fields.Date(
+        string="Available From",
+        copy=False,
+        default=lambda self: fields.Date.context_today(self) + relativedelta(months=3),
+    )
+    expected_price = fields.Float(
+        string="Expected Price", required=True, digits=(16, 2)
+    )
+    selling_price = fields.Float(string="Selling Price", readonly=True, copy=False)
+    bedrooms = fields.Integer(string="Bedrooms", default=2)
+    living_area = fields.Integer(string="Living Area (sqm)")
+    facades = fields.Integer(string="Facades")
+    garage = fields.Boolean(string="Garage")
+    garden = fields.Boolean(string="Garden")
+    garden_area = fields.Integer(string="Garden Area (sqm)")
+    garden_orientation = fields.Selection(
+        [
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ],
+        string="Garden Orientation",
+    )
+    active = fields.Boolean(string="Active", default=True)
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("offer_received", "Offer Received"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+            ("maintenance", "Maintenance"),
+        ],
+        string="Status",
+        copy=False,
+        default="new",
+    )
+    buyer_id = fields.Many2one("res.partner", string="Buyer", copy=False)
+    salesperson_id = fields.Many2one(
+        "res.users",
+        string="Salesperson",
+        default=lambda self: self.env.user,
+    )
+    offer_ids = fields.One2many("estate.property.offer", "property_id", string="Offers")
+    total_area = fields.Integer(
+        string="Total Area (sqm)", compute="_compute_total_area"
+    )
+    best_price = fields.Float(string="Best Price", compute="_compute_best_price")
+    property_maintenance_ids = fields.One2many("property.maintenance", "property_id")
+
+    _check_expected_price = models.Constraint(
+        "CHECK(expected_price > 0)",
+        "A property expected price must be strictly positive.",
+    )
+    _check_selling_price = models.Constraint(
+        "CHECK(selling_price >= 0)", "A property selling price must be positive."
+    )
+
+    @api.constrains("expected_price", "selling_price")
+    def _check_price_difference(self):
+        for record in self:
+            if (
+                not float_is_zero(record.selling_price, precision_digits=2)
+                and float_compare(
+                    record.selling_price,
+                    record.expected_price * 0.9,
+                    precision_digits=2,
+                )
+                < 0
+            ):
+                raise ValidationError(
+                    "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:
+            record.best_price = (
+                max(record.offer_ids.mapped("price")) if record.offer_ids 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 = False
+
+    def action_sold(self):
+        for record in self:
+            if record.state == "cancelled":
+                raise UserError("You can not sold a cancelled property.")
+            record.state = "sold"
+        return True
+
+    def action_cancel(self):
+        for record in self:
+            if record.state == "sold":
+                raise UserError("You can not cancel a sold property.")
+            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
+
+
+class EstatePropertyOffer(models.Model):
+    _name = "estate.property.offer"
+    _description = "Real Estate Property Offer"
+    _order = "price desc"
+
+    price = fields.Float(string="Price")
+
+    _check_price = models.Constraint(
+        "CHECK(price > 0)", "An offer price must be strictly positive."
+    )
+    status = fields.Selection(
+        [
+            ("accepted", "Accepted"),
+            ("rejected", "Rejected"),
+        ],
+        string="Status",
+        copy=False,
+    )
+    partner_id = fields.Many2one("res.partner", string="Partner", required=True)
+    property_id = fields.Many2one(
+        "estate.property", string="Property", required=True, ondelete="cascade"
+    )
+    validity = fields.Integer(string="Validity", default=7)
+    date_deadline = fields.Date(
+        string="Deadline",
+        compute="_compute_date_deadline",
+        inverse="_inverse_date_deadline",
+    )
+
+    @api.depends("create_date", "validity")
+    def _compute_date_deadline(self):
+        for offer in self:
+            start_date = (
+                offer.create_date.date() if offer.create_date else fields.Date.today()
+            )
+            offer.date_deadline = start_date + timedelta(days=offer.validity)
+
+    def _inverse_date_deadline(self):
+        for offer in self:
+            if offer.date_deadline:
+                start_date = (
+                    offer.create_date.date()
+                    if offer.create_date
+                    else fields.Date.today()
+                )
+                offer.validity = (offer.date_deadline - start_date).days
+
+    @api.onchange("date_deadline")
+    def _onchange_date_deadline(self):
+        self._inverse_date_deadline()
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        offers = super().create(vals_list)
+        for offer in offers:
+            if offer.property_id.state == "new":
+                offer.property_id.state = "offer_received"
+        return offers
+
+    def action_accept(self):
+        for offer in self:
+            offer.status = "accepted"
+            offer.property_id.selling_price = offer.price
+            offer.property_id.buyer_id = offer.partner_id
+            offer.property_id.state = "offer_accepted"
+        return True
+
+    def action_reject(self):
+        for offer in self:
+            offer.status = "rejected"
+        return True

estate/models/estate_property_tag.py

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+from random import randint
+
+from odoo import fields, models
+
+
+class EstatePropertyTag(models.Model):
+    _name = "estate.property.tag"
+    _description = "Real Estate Property Tag"
+    _order = "name"
+
+    def _default_color(self):
+        return randint(1, 11)
+
+    name = fields.Char(string="Name", required=True)
+    color = fields.Integer(
+        string="Color Index", default=lambda self: self._default_color()
+    )
+
+    _check_name = models.Constraint("UNIQUE(name)", "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(string="Type", required=True)
+    sequence = fields.Integer(string="Sequence", default=1)
+    property_ids = fields.One2many("estate.property", "property_type_id")
+
+    _check_name = models.Constraint("UNIQUE(name)", "Type name must be unique")

estate/models/property_maintenance.py

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+from odoo import fields, models
+
+
+class PropertyMaintenance(models.Model):
+    _name = "property.maintenance"
+    _description = "proeprty under repair"
+
+    name = fields.Char(string="Title", required=True)
+    description = fields.Text(string="Description")
+    property_id = fields.Many2one("estate.property", string="Property")
+    partner_id = fields.Many2one(
+        "res.partner",
+        string="Requested by",
+        copy=False,
+        default=lambda self: self.env.user.partner_id,
+    )
+    date = fields.Date(
+        string="Date", default=lambda self: fields.Date.context_today(self)
+    )
+    priority = fields.Selection(
+        [
+            ("0", "Normal"),
+            ("1", "Low"),
+            ("2", "High"),
+            ("3", "Very High"),
+        ],
+        string="Priority",
+        default="0",
+    )
+    user_id = fields.Many2one(
+        "res.users",
+        string="Assigned to",
+    )
+    estimated_cost = fields.Float(string="Estimated cost")
+    actual_cost = fields.Float(string="Actual cost")
+    state = fields.Selection(
+        [
+            ("new_request", "New Request"),
+            ("assign", "Assign"),
+            ("work_in_progress", "Work In Progress"),
+            ("done", "Done"),
+        ],
+        default="new_request",
+    )