Merge pull request 'feature/carril-expres-transportes' (#315) from feature/carril-expres-transportes into development

Reviewed-on: ADUANASOFT/anexo76#315

backend/alembic/versions/c8d9e0f1a2b3_transporter_has_express_line.py

@@ -0,0 +1,49 @@
+"""Add has_express_line to transporter; remove from company.
+
+Revision ID: c8d9e0f1a2b3
+Revises: 6a7b8c9d0e1f
+Create Date: 2026-04-24
+
+Upgrade: add transporter column first (NOT NULL + default), then drop company column.
+Downgrade: restore company column, drop transporter column (schema only; data not restored).
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+
+revision: str = "c8d9e0f1a2b3"
+down_revision: Union[str, Sequence[str], None] = "6a7b8c9d0e1f"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+SCHEMA = "a76"
+
+
+def upgrade() -> None:
+    op.add_column(
+        "transporter",
+        sa.Column(
+            "has_express_line",
+            sa.Boolean(),
+            server_default=sa.text("false"),
+            nullable=False,
+        ),
+        schema=SCHEMA,
+    )
+    op.drop_column("company", "has_express_line", schema=SCHEMA)
+
+
+def downgrade() -> None:
+    op.add_column(
+        "company",
+        sa.Column(
+            "has_express_line",
+            sa.Boolean(),
+            server_default=sa.text("false"),
+            nullable=True,
+        ),
+        schema=SCHEMA,
+    )
+    op.drop_column("transporter", "has_express_line", schema=SCHEMA)