Add vendor_item_code field to purchase credit records

rattail/db/alembic/versions/90a3338b187b_add_credit_vendor_item_code.py

@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+"""add credit.vendor_item_code
+
+Revision ID: 90a3338b187b
+Revises: af4c4ec011fb
+Create Date: 2018-03-01 11:23:19.029547
+
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+# revision identifiers, used by Alembic.
+revision = '90a3338b187b'
+down_revision = u'af4c4ec011fb'
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+import rattail.db.types
+
+
+
+def upgrade():
+
+    # purchase_batch_credit
+    op.add_column('purchase_batch_credit', sa.Column('vendor_item_code', sa.String(length=20), nullable=True))
+
+    # purchase_credit
+    op.add_column('purchase_credit', sa.Column('vendor_item_code', sa.String(length=20), nullable=True))
+
+
+def downgrade():
+
+    # purchase_credit
+    op.drop_column('purchase_credit', 'vendor_item_code')
+
+    # purchase_batch_credit
+    op.drop_column('purchase_batch_credit', 'vendor_item_code')

rattail/db/model/purchase.py

@@ -355,6 +355,10 @@ class PurchaseCreditBase(object):
     Product UPC for the credit item.
     """)
 
+    vendor_item_code = sa.Column(sa.String(length=20), nullable=True, doc="""
+    Vendor-specific code for the credit item.
+    """)
+
     brand_name = sa.Column(sa.String(length=100), nullable=True, doc="""
     Brand name for the credit item.
     """)