[IMP] estate: Use date helper / Rename model

Author: nguyenntph

estate/__manifest__.py

@@ -3,11 +3,12 @@
     'license': 'LGPL-3',
     'version': '1.0',
     'depends': ['base'],
-    'author': "ngtpn",
+    'author': "Odoo S.A.",
     'category': 'Category',
     'description': """
     Real Estate Advertisement module
     """,
+    'application': True,
     'data': [
         'security/ir.model.access.csv',
         'views/estate_property_views.xml',

estate/models/estate_property.py

@@ -1,8 +1,7 @@
 from odoo import fields, models
-from dateutil.relativedelta import relativedelta
 
 
-class Property(models.Model):
+class EstateProperty(models.Model):
     _name = "estate.property"
     _description = "All properties"
 
@@ -11,7 +10,7 @@ class Property(models.Model):
     postcode = fields.Char()
     date_availability = fields.Date(
         copy=False,
-        default=fields.Datetime.today() + relativedelta(months=+3),
+        default=fields.Date.add(fields.Date.today(), months=3),
     )
     expected_price = fields.Float(required=True)
     selling_price = fields.Float(readonly=True, copy=False)