Add tender importer from CORE; apply tender in CORE POS batch

still some work to be done yet but getting there

rattail_corepos/db/alembic/versions/c40a6ec00428_add_tender.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8; -*-
+"""add tender
+
+Revision ID: c40a6ec00428
+Revises: f8df04546a59
+Create Date: 2023-09-26 18:22:17.804658
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'c40a6ec00428'
+down_revision = 'f8df04546a59'
+branch_labels = None
+depends_on = None
+
+from alembic import op
+import sqlalchemy as sa
+import rattail.db.types
+
+
+
+def upgrade():
+
+    # corepos_tender
+    op.create_table('corepos_tender',
+                    sa.Column('uuid', sa.String(length=32), nullable=False),
+                    sa.Column('corepos_id', sa.Integer(), nullable=False),
+                    sa.ForeignKeyConstraint(['uuid'], ['tender.uuid'], name='corepos_tender_fk_tender'),
+                    sa.PrimaryKeyConstraint('uuid')
+                    )
+    op.create_table('corepos_tender_version',
+                    sa.Column('uuid', sa.String(length=32), autoincrement=False, nullable=False),
+                    sa.Column('corepos_id', sa.Integer(), autoincrement=False, nullable=True),
+                    sa.Column('transaction_id', sa.BigInteger(), autoincrement=False, nullable=False),
+                    sa.Column('end_transaction_id', sa.BigInteger(), nullable=True),
+                    sa.Column('operation_type', sa.SmallInteger(), nullable=False),
+                    sa.PrimaryKeyConstraint('uuid', 'transaction_id')
+                    )
+    op.create_index(op.f('ix_corepos_tender_version_end_transaction_id'), 'corepos_tender_version', ['end_transaction_id'], unique=False)
+    op.create_index(op.f('ix_corepos_tender_version_operation_type'), 'corepos_tender_version', ['operation_type'], unique=False)
+    op.create_index(op.f('ix_corepos_tender_version_transaction_id'), 'corepos_tender_version', ['transaction_id'], unique=False)
+
+
+def downgrade():
+
+    # corepos_tender
+    op.drop_table('corepos_tender')
+    op.drop_index(op.f('ix_corepos_tender_version_transaction_id'), table_name='corepos_tender_version')
+    op.drop_index(op.f('ix_corepos_tender_version_operation_type'), table_name='corepos_tender_version')
+    op.drop_index(op.f('ix_corepos_tender_version_end_transaction_id'), table_name='corepos_tender_version')
+    op.drop_table('corepos_tender_version')