Initial commit: Odoo 18.0-20251222 extra-addons

account_invoice_triple_discount/hooks.py

@@ -0,0 +1,31 @@
+# Copyright 2024-Today - Sylvain Le GAL (GRAP)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import logging
+
+_logger = logging.getLogger(__name__)
+
+
+def post_init_hook(env):
+    _logger.info("Initializing column discount1 on table account_move_line")
+    env.cr.execute(
+        """
+            UPDATE account_move_line
+            SET discount1 = discount
+            WHERE discount != 0
+        """
+    )
+    # if discounts are : 10% - 20% - 30% main discount is : 49.6 %
+    # if discounts are : 05% - 09% - 13% main discount is : 24.7885 %
+    env.cr.execute(
+        """
+        UPDATE account_move_line
+        SET discount = 100 * (
+            1 - (
+                    (100 - COALESCE(discount1, 0.0)) / 100
+                    * (100 - COALESCE(discount2, 0.0)) / 100
+                    * (100 - COALESCE(discount3, 0.0)) / 100
+                )
+        );
+        """
+    )