[FIX] account_currency_report_ux: approach of using monkey_patches

Author: rov-adhoc

account_currency_reports_ux/__init__.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-from . import report
+from .hooks import uninstall_hook
+from .monkey_patches import *

account_currency_reports_ux/__manifest__.py

@@ -40,4 +40,6 @@
     'installable': True,
     'auto_install': False,
     'application': False,
+    'post_load': 'monkey_patches',
+    'uninstall_hook': 'uninstall_hook'
 }

account_currency_reports_ux/hooks.py

@@ -0,0 +1,17 @@
+##############################################################################
+# For copyright and license notices, see __manifest__.py file in module root
+# directory
+##############################################################################
+from odoo.addons.account.report.account_invoice_report import AccountInvoiceReport
+
+def _revert_method(cls, name):
+    """ Revert the original method called ``name`` in the given class.
+        See :meth:`~._patch_method`.
+    """
+    method = getattr(cls, name)
+    setattr(cls, name, method.origin)
+
+
+def uninstall_hook(cr, registry):
+    _revert_method(AccountInvoiceReport, '_select')
+    _revert_method(AccountInvoiceReport, '_from')

account_currency_reports_ux/report/account_invoice_report.py renamed to account_currency_reports_ux/monkey_patches.py

@@ -1,10 +1,11 @@
-from odoo import models, api
+from odoo import api
+from odoo.addons.account.report.account_invoice_report import AccountInvoiceReport
 
-class AccountInvoiceReport(models.Model):
-    _inherit = "account.invoice.report"
+def monkey_patches():
 
+    # monkey patch
     @api.model
-    def _select(self):
+    def _select_patch(self):
         return '''
         WITH currency_rate AS MATERIALIZED (
                         SELECT
@@ -66,7 +67,7 @@ def _select(self):
         ''' % self.env.company.id
 
     @api.model
-    def _from(self):
+    def _from_patch(self):
         return '''
             FROM account_move_line line
                 LEFT JOIN res_partner partner ON partner.id = line.partner_id
@@ -78,9 +79,19 @@ def _from(self):
                 INNER JOIN account_move move ON move.id = line.move_id
                 LEFT JOIN res_partner commercial_partner ON commercial_partner.id = move.commercial_partner_id
                 lEFT JOIN currency_rate currency_table on
-                        (currency_table.company_id = line.company_id and
-                        currency_table.currency_id = line.currency_id and
+                        (currency_table.currency_id = line.currency_id and
                         currency_table.date_start <= COALESCE(line.date, NOW()) and
                         (currency_table.date_end IS NULL OR currency_table.date_end > COALESCE(line.date, NOW())))
-                LEFT JOIN res_company rc on rc.id=line.company_id 
+                LEFT JOIN res_company rc on rc.id=currency_table.company_id 
         '''
+
+    def _patch_method(cls, name, method):
+        origin = getattr(cls, name)
+        method.origin = origin
+        # propagate decorators from origin to method, and apply api decorator
+        wrapped = api.propagate(origin, method)
+        wrapped.origin = origin
+        setattr(cls, name, wrapped)
+
+    _patch_method(AccountInvoiceReport, '_select', _select_patch)
+    _patch_method(AccountInvoiceReport, '_from', _from_patch)