From b637723c6a6df134cf1140f7c8f400a1d2004dc6 Mon Sep 17 00:00:00 2001
From: gsinghpal <gur_preet.singh@outlook.com>
Date: Sat, 18 Apr 2026 23:46:44 -0400
Subject: [PATCH] feat(fusion_accounting_core): add
 _fusion_is_enterprise_accounting_installed helper

Made-with: Cursor
---
 fusion_accounting_core/models/__init__.py     |  2 +-
 .../models/ir_module_module.py                | 32 +++++++++++++++++++
 fusion_accounting_core/tests/__init__.py      |  2 +-
 .../tests/test_enterprise_detection.py        | 20 ++++++++++++
 4 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 fusion_accounting_core/models/ir_module_module.py
 create mode 100644 fusion_accounting_core/tests/test_enterprise_detection.py

diff --git a/fusion_accounting_core/models/__init__.py b/fusion_accounting_core/models/__init__.py
index 154f21c2..8e2d2d1b 100644
--- a/fusion_accounting_core/models/__init__.py
+++ b/fusion_accounting_core/models/__init__.py
@@ -1 +1 @@
-# Models populated in Tasks 8-12 (shared-field-ownership, helpers)
+from . import ir_module_module
diff --git a/fusion_accounting_core/models/ir_module_module.py b/fusion_accounting_core/models/ir_module_module.py
new file mode 100644
index 00000000..27e02076
--- /dev/null
+++ b/fusion_accounting_core/models/ir_module_module.py
@@ -0,0 +1,32 @@
+from odoo import api, models
+
+
+# Modules considered "Odoo Enterprise accounting" for the purpose of feature gating.
+# A client is "on Enterprise" if any of these are installed; fusion_accounting_*
+# replacement modules will hide their menus when Enterprise is present (replace mode
+# vs. augment mode is configurable in Settings).
+ENTERPRISE_ACCOUNTING_MODULES = (
+    'account_accountant',
+    'account_reports',
+    'accountant',
+)
+
+
+class IrModuleModule(models.Model):
+    _inherit = "ir.module.module"
+
+    @api.model
+    def _fusion_is_enterprise_accounting_installed(self):
+        """True if any Odoo Enterprise accounting module is installed in this DB."""
+        return bool(self.sudo().search_count([
+            ('name', 'in', list(ENTERPRISE_ACCOUNTING_MODULES)),
+            ('state', '=', 'installed'),
+        ]))
+
+    @api.model
+    def _fusion_is_module_installed(self, module_name):
+        """True if a specific module is installed."""
+        return bool(self.sudo().search_count([
+            ('name', '=', module_name),
+            ('state', '=', 'installed'),
+        ]))
diff --git a/fusion_accounting_core/tests/__init__.py b/fusion_accounting_core/tests/__init__.py
index 55610b70..f1a2b5c5 100644
--- a/fusion_accounting_core/tests/__init__.py
+++ b/fusion_accounting_core/tests/__init__.py
@@ -1 +1 @@
-# Tests populated in Tasks 8-12
+from . import test_enterprise_detection
diff --git a/fusion_accounting_core/tests/test_enterprise_detection.py b/fusion_accounting_core/tests/test_enterprise_detection.py
new file mode 100644
index 00000000..4f2a72c7
--- /dev/null
+++ b/fusion_accounting_core/tests/test_enterprise_detection.py
@@ -0,0 +1,20 @@
+from odoo.tests.common import TransactionCase, tagged
+
+
+@tagged('post_install', '-at_install')
+class TestEnterpriseDetection(TransactionCase):
+    """Verify the helper that detects Odoo Enterprise accounting installs."""
+
+    def test_helper_returns_bool(self):
+        result = self.env['ir.module.module']._fusion_is_enterprise_accounting_installed()
+        self.assertIsInstance(result, bool)
+
+    def test_helper_matches_actual_state(self):
+        """Helper should return True iff one of the known Enterprise modules is installed."""
+        installed = self.env['ir.module.module'].sudo().search_count([
+            ('name', 'in', ['account_accountant', 'account_reports', 'accountant']),
+            ('state', '=', 'installed'),
+        ])
+        expected = bool(installed)
+        actual = self.env['ir.module.module']._fusion_is_enterprise_accounting_installed()
+        self.assertEqual(actual, expected)