changes

fusion_plating/fusion_plating_configurator/migrations/19.0.15.0.0/post-migration.py

@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+# Copyright 2026 Nexa Systems Inc.
+# License OPL-1
+# Sub 9 — Process Variants per Part. Runs on upgrade to 19.0.15.0.0.
+#
+# For every part that had a default_process_id, mark its root node as
+# the default variant and seed a friendly label. Idempotent (NULL guards).
+
+import logging
+
+_logger = logging.getLogger(__name__)
+
+
+def migrate(cr, version):
+    if not version:
+        return  # Fresh install — nothing to migrate
+
+    _logger.info("Sub 9: backfilling process variant flags")
+
+    # Step 1: Mark each part's existing default_process_id root as the
+    # default variant. The flag is cleared on every other root so we
+    # land in a consistent "exactly one default" state.
+    cr.execute("""
+        UPDATE fusion_plating_process_node
+        SET    is_default_variant = FALSE
+        WHERE  parent_id IS NULL
+          AND  node_type = 'recipe'
+          AND  part_catalog_id IS NOT NULL
+    """)
+    _logger.info("Sub 9: cleared is_default_variant on %d roots", cr.rowcount)
+
+    cr.execute("""
+        UPDATE fusion_plating_process_node node
+        SET    is_default_variant = TRUE
+        FROM   fp_part_catalog part
+        WHERE  part.default_process_id = node.id
+          AND  node.parent_id IS NULL
+          AND  node.node_type = 'recipe'
+          AND  node.part_catalog_id = part.id
+    """)
+    _logger.info(
+        "Sub 9: flagged is_default_variant on %d roots (one per part with default_process_id)",
+        cr.rowcount,
+    )
+
+    # Step 2: Seed variant_label='Default' on the now-flagged variants
+    # so the picker shows something readable. Only fills NULL/empty.
+    cr.execute("""
+        UPDATE fusion_plating_process_node
+        SET    variant_label = 'Default'
+        WHERE  is_default_variant = TRUE
+          AND  (variant_label IS NULL OR variant_label = '')
+    """)
+    _logger.info("Sub 9: seeded variant_label='Default' on %d records", cr.rowcount)
+
+    _logger.info("Sub 9: migration complete")