[ADD] estate: Architecture, app, models, security

Chapter 2 –
Created the base structure for a new custom Odoo application.
Chapter 3 –
Implemented primary models with essential fields and basic logic.
Chapter 4 –
Added ACLs and basic security rules for controlled data access.

Author: hatiw-odoo

estate/__init__.py

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+from . import models

estate/__manifest__.py

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+{
+    'name': "Real Estate",
+    'version': '1.0',
+    'depends': ['base'],
+    'author': "Harsh Tiwari",
+    'category': 'Category',
+    'application': True,
+    'description': """
+    Description text
+    """,
+    'license': 'LGPL-3',
+    'data': [
+        'views/estate_menus.xml',
+        'views/estate_property_views.xml',
+        'security/ir.model.access.csv'
+    ]
+}

estate/models/__init__.py

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+from . import estate_property

estate/models/estate_property.py

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+from odoo import models, fields
+
+
+class EstateProperty(models.Model):
+    _name = "estate.property"
+    _description = "Estate Property"
+
+    name = fields.Char(required=True)
+    description = fields.Text()
+    postcode = fields.Char()
+    date_avaliability = fields.Date()
+    expected_price = fields.Float(required=True)
+    selling_price = fields.Float()
+    bedrooms = fields.Integer()
+    living_area = fields.Integer()
+    facades = fields.Integer()
+    garage = fields.Boolean()
+    garden = fields.Boolean()
+    garden_area = fields.Integer()
+    garden_orientation = fields.Selection(selection=[('north', 'North'), ('south', 'South'), ('east', 'East'), ('west', 'West')])

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"
+"estate.access_estate_property","access_estate_property","estate.model_estate_property","base.group_user",1,0,0,0

estate/views/estate_menus.xml

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+<odoo>
+    <menuitem id="estate_menu_root"
+        name="Estate Property"
+        action="action_estate" />
+
+    <menuitem id="estate_menu_property"
+        name="Properties"
+        parent="estate_menu_root"
+        action="action_estate_property" />
+
+    <menuitem id="property_menu"
+        name="Configuration"
+        parent="estate_menu_root"
+        action="action_estate_configure" />
+</odoo> 

estate/views/estate_property_views.xml

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+<odoo>
+    <record id="action_estate" model="ir.actions.act_window">
+        <field name="name">Estate Property</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Estate Property Home!
+            </p>
+        </field>
+    </record>
+
+    <record id="action_estate_property" model="ir.actions.act_window">
+        <field name="name">Estate Property</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Create New Property!
+            </p>
+        </field>
+    </record>
+
+    <record id="action_estate_configure" model="ir.actions.act_window">
+        <field name="name">Estate Property</field>
+        <field name="res_model">estate.property</field>
+        <field name="view_mode">list,form</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_smiling_face">
+                Empty!
+            </p>
+        </field>
+    </record>
+</odoo>