[IMP] account: Avatax module installation

Auto install AvaTax module for countries that use AvaTax ('US','BR').
Add a checkbox in settings to easily install the module if needed

task ID: 3398637

closes odoo/odoo#136490

Related: odoo/enterprise#47979
Signed-off-by: Quentin De Paoli <qdp@odoo.com>

addons/account/__init__.py

@@ -35,9 +35,22 @@ def _auto_install_l10n(env):
         if module_ids:
             module_ids.sudo().button_install()
 
+def _auto_install_avatax(env):
+    """ Install the avatax module automatically if the company is in a country that uses avatax """
+    avatax_country_codes = ['US', 'BR']
+
+    country = env.company.country_id
+    country_code = country.code
+
+    if country_code in avatax_country_codes:
+        module = env['ir.module.module'].search([('name', '=', 'account_avatax')])
+        if module.state == 'uninstalled':
+            module.sudo().button_install()
+
 def _account_post_init(env):
     _auto_install_l10n(env)
     _set_fiscal_country(env)
+    _auto_install_avatax(env)
 
 # imported here to avoid dependency cycle issues
 # pylint: disable=wrong-import-position

addons/account/models/res_config_settings.py

@@ -114,6 +114,7 @@ class ResConfigSettings(models.TransientModel):
     module_product_margin = fields.Boolean(string="Allow Product Margin")
     module_l10n_eu_oss = fields.Boolean(string="EU Intra-community Distance Selling")
     module_account_taxcloud = fields.Boolean(string="Account TaxCloud")
+    module_account_avatax = fields.Boolean(string="Account Avatax")
     module_account_invoice_extract = fields.Boolean(string="Document Digitization")
     module_snailmail_account = fields.Boolean(string="Snailmail")
     tax_exigibility = fields.Boolean(string='Cash Basis', related='company_id.tax_exigibility', readonly=False)

addons/account/views/res_config_settings_views.xml

@@ -62,6 +62,10 @@
                                 documentation="/applications/finance/accounting/taxation/taxes/taxcloud.html">
                                 <field name="module_account_taxcloud" widget="upgrade_boolean"/>
                             </setting>
+                            <setting id="avatax_settings" string="AvaTax" help="Automatically compute tax rates"
+                                documentation="/applications/finance/accounting/taxation/taxes/avatax.html">
+                                <field name="module_account_avatax" widget="upgrade_boolean"/>
+                            </setting>
                             <setting id="eu_service" title="If you sell goods and services to customers in a foreign EU country, you must charge VAT based on the delivery address. This rule applies regardless of where you are located." documentation="/applications/finance/accounting/taxation/taxes/eu_distance_selling.html" help="Apply VAT of the EU country to which goods and services are delivered.">
                                 <field name="module_l10n_eu_oss"/>
                             </setting>