[ADD] estate : Added new Module

Day 1 :
Chapter 2  : Created Folder Structure for Real-estate module
Chapter 3  : Created estate_properties model with all the basic fields
[IMP] real-estate: security , ui and search filters

Day 2 :
Chapter 4: Understood Data files(CSV) and gave access-rights
Chapter 5: Understood Data files(XML) and Implemented actions , menus and fields
Chapter 6: Understood Basic views and Implemented List , Form and Search filters

estate/models/__init__.py

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+from . import estate_property

estate/models/estate_property.py

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+from odoo import fields, models
+from dateutil.relativedelta import relativedelta
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Properties involved in estate"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_availability = fields.Date(
+        "Availability Date",
+        copy=False,
+        default=fields.Date.add(fields.Date.today(), months=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.Float()
+    garden_orientation = fields.Selection(
+        selection=[
+            ("north", "North"),
+            ("south", "South"),
+            ("east", "East"),
+            ("west", "West"),
+        ]
+    )
+
+    # reserved fields
+    active = fields.Boolean(default=False)
+    state = fields.Selection(
+        [
+            ("new", "New"),
+            ("offer_recieved", "Offer Recieved"),
+            ("offer_accepted", "Offer Accepted"),
+            ("sold", "Sold"),
+            ("cancelled", "Cancelled"),
+        ],
+        string="Invoice Status",
+        default="new",
+        required=True,
+        copy=False,
+    )

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

estate/test.txt

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+hello

estate/views/estate_menus.xml

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+<?xml version="1.0"?>
+<odoo>
+<menuitem id="estate_property_root" name="Real Estate">
+    <menuitem id="test_first_level_menu" name="Properties">
+        <menuitem id="estate_property_menu_action" action="estate_property_action"/>
+    </menuitem>
+</menuitem>
+</odoo>

estate/views/estate_property_views.xml

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+<?xml version="1.0"?>
+<odoo>
+
+    <!-- list view  -->
+    <record id="view_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">
+                <field name="name" />
+                <field name="expected_price" />
+                <field name="selling_price" />
+                <field name="state" />
+                <field name="postcode" />
+                <field name="date_availability" />
+                <field name="active" />
+            </list>
+        </field>
+    </record>
+
+    <!-- form view -->
+    <record id="view_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="Property">
+                <sheet>
+                    <group>
+                        <field name="name" />
+                        <field name="expected_price" />
+                        <field name="selling_price" />
+                        <field name="state" />
+                        <field name="postcode" />
+                        <field name="date_availability" />
+                        <field name="active" />
+                    </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" />
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- search view -->
+
+    <record id="view_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" />
+                 <filter string="Archived" name="inactive"
+                    domain="[('active', '=', False)]" />
+                <filter string="Available" name="aadfae"
+                    domain="[('state', 'in', ['New', 'Offer Received'])]" />
+                <filter name="fadsfef"
+                    string="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>