updates

Backend/alembic/versions/bd309b0742c1_add_promotion_fields_to_bookings.py

@@ -0,0 +1,34 @@
+"""add_promotion_fields_to_bookings
+
+Revision ID: bd309b0742c1
+Revises: f1a2b3c4d5e6
+Create Date: 2025-11-20 02:16:09.496685
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'bd309b0742c1'
+down_revision = 'f1a2b3c4d5e6'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Add promotion-related columns to bookings table
+    op.add_column('bookings', sa.Column('original_price', sa.Numeric(10, 2), nullable=True))
+    op.add_column('bookings', sa.Column('discount_amount', sa.Numeric(10, 2), nullable=True, server_default='0'))
+    op.add_column('bookings', sa.Column('promotion_code', sa.String(50), nullable=True))
+    # Add index on promotion_code for faster lookups
+    op.create_index(op.f('ix_bookings_promotion_code'), 'bookings', ['promotion_code'], unique=False)
+
+
+def downgrade() -> None:
+    # Remove promotion-related columns
+    op.drop_index(op.f('ix_bookings_promotion_code'), table_name='bookings')
+    op.drop_column('bookings', 'promotion_code')
+    op.drop_column('bookings', 'discount_amount')
+    op.drop_column('bookings', 'original_price')
+

Backend/alembic/versions/f1a2b3c4d5e6_add_is_proforma_to_invoices.py

@@ -0,0 +1,27 @@
+"""add_is_proforma_to_invoices
+
+Revision ID: f1a2b3c4d5e6
+Revises: d9aff6c5f0d4
+Create Date: 2025-11-20 00:20:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'f1a2b3c4d5e6'
+down_revision = 'd9aff6c5f0d4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Add is_proforma column to invoices table
+    op.add_column('invoices', sa.Column('is_proforma', sa.Boolean(), nullable=False, server_default='0'))
+
+
+def downgrade() -> None:
+    # Remove is_proforma column
+    op.drop_column('invoices', 'is_proforma')
+