changes

fusion_plating/fusion_plating_configurator/migrations/19.0.18.0.0/post-migration.py

@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+# Copyright 2026 Nexa Systems Inc.
+# License OPL-1 (Odoo Proprietary License v1.0)
+#
+# Phase 1 multi-serial — backfill the new M2M relations from the
+# pre-existing single-M2O column on sale.order.line and account.move.line.
+#
+# x_fc_serial_id was historically a stored Many2one. Phase 1 made it a
+# computed alias of `x_fc_serial_ids` (the new M2M). Existing rows have
+# the old FK column populated but no rows in the M2M relation table.
+# This migration walks the legacy column and inserts one M2M row per
+# (line, serial) pair so smart buttons / reverse links continue to find
+# the linked records.
+
+import logging
+
+_logger = logging.getLogger(__name__)
+
+
+def migrate(cr, version):
+    """Backfill fp_sale_order_line_serial_rel + fp_account_move_line_serial_rel."""
+    backfill_table(cr, 'sale_order_line', 'fp_sale_order_line_serial_rel', 'line_id')
+    backfill_table(cr, 'account_move_line', 'fp_account_move_line_serial_rel', 'line_id')
+
+
+def backfill_table(cr, source_table, m2m_table, line_col):
+    cr.execute(
+        "SELECT 1 FROM information_schema.columns "
+        "WHERE table_name = %s AND column_name = 'x_fc_serial_id'",
+        (source_table,),
+    )
+    if not cr.fetchone():
+        _logger.info("Phase 1 multi-serial: %s has no x_fc_serial_id column, skip", source_table)
+        return
+
+    # Make sure the M2M table exists (Odoo creates it on registry load,
+    # but the migration runs BEFORE the registry comes up on upgrade —
+    # use IF NOT EXISTS to be safe).
+    cr.execute(
+        f"""
+        CREATE TABLE IF NOT EXISTS "{m2m_table}" (
+            "{line_col}" integer NOT NULL REFERENCES "{source_table}"(id) ON DELETE CASCADE,
+            "serial_id" integer NOT NULL REFERENCES "fp_serial"(id) ON DELETE CASCADE,
+            PRIMARY KEY ("{line_col}", "serial_id")
+        )
+        """
+    )
+
+    cr.execute(
+        f"""
+        INSERT INTO "{m2m_table}" ("{line_col}", "serial_id")
+        SELECT id, x_fc_serial_id FROM "{source_table}"
+        WHERE x_fc_serial_id IS NOT NULL
+        ON CONFLICT DO NOTHING
+        """
+    )
+    _logger.info(
+        "Phase 1 multi-serial: backfilled %s rows from %s.x_fc_serial_id into %s",
+        cr.rowcount, source_table, m2m_table,
+    )