Add support for importing MemberEquityPayment from CORE-POS DB

SQL only, no API for now

rattail_corepos/db/model/__init__.py

@@ -25,7 +25,8 @@ Database schema extensions for CORE-POS integration
 """
 
 from .stores import CoreStore
-from .people import CorePerson, CoreCustomer, CoreCustomerShopper, CoreMember
+from .people import (CorePerson, CoreCustomer, CoreCustomerShopper,
+                     CoreMember, CoreMemberEquityPayment)
 from .products import (CoreDepartment, CoreSubdepartment,
                        CoreVendor, CoreProduct, CoreProductCost)
 

rattail_corepos/db/model/people.py

@@ -178,3 +178,54 @@ class CoreMember(model.Base):
         return str(self.member)
 
 CoreMember.make_proxy(model.Member, '_corepos', 'corepos_account_id')
+
+
+class CoreMemberEquityPayment(model.Base):
+    """
+    CORE-specific extensions to
+    :class:`~rattail:rattail.db.model.MemberEquityPayment`.
+    """
+    __tablename__ = 'corepos_member_equity_payment'
+    __table_args__ = (
+        sa.ForeignKeyConstraint(['uuid'], ['member_equity_payment.uuid'],
+                                name='corepos_member_equity_payment_fk_payment'),
+    )
+    __versioned__ = {}
+
+    uuid = model.uuid_column(default=None)
+    payment = orm.relationship(
+        model.MemberEquityPayment,
+        doc="""
+        Reference to the actual payment record, which this one extends.
+        """,
+        backref=orm.backref(
+            '_corepos',
+            uselist=False,
+            cascade='all, delete-orphan',
+            doc="""
+            Reference to the CORE-POS extension record for this payment.
+            """))
+
+    corepos_card_number = sa.Column(sa.Integer(), nullable=False, doc="""
+    ``stockpurchases.card_no`` value for this payment, within CORE-POS.
+    """)
+
+    corepos_transaction_number = sa.Column(sa.String(length=50), nullable=True, doc="""
+    ``stockpurchases.trans_num`` value for this payment, within CORE-POS.
+    """)
+
+    corepos_transaction_id = sa.Column(sa.Integer(), nullable=True, doc="""
+    ``stockpurchases.trans_id`` value for this payment, within CORE-POS.
+    """)
+
+    corepos_department_number = sa.Column(sa.Integer(), nullable=True, doc="""
+    ``stockpurchases.dept`` value for this payment, within CORE-POS.
+    """)
+
+    def __str__(self):
+        return str(self.payment)
+
+CoreMemberEquityPayment.make_proxy(model.MemberEquityPayment, '_corepos', 'corepos_card_number')
+CoreMemberEquityPayment.make_proxy(model.MemberEquityPayment, '_corepos', 'corepos_transaction_number')
+CoreMemberEquityPayment.make_proxy(model.MemberEquityPayment, '_corepos', 'corepos_transaction_id')
+CoreMemberEquityPayment.make_proxy(model.MemberEquityPayment, '_corepos', 'corepos_department_number')