fix: add base class for all transaction tables, views

also rename some classes; add `dlogBig` for archive view

corepos/db/office_arch/model.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  pyCOREPOS -- Python Interface to CORE POS
-#  Copyright © 2018-2023 Lance Edgar
+#  Copyright © 2018-2024 Lance Edgar
 #
 #  This file is part of pyCOREPOS.
 #
@@ -26,14 +26,25 @@ CORE Office "arch" data model
 
 from sqlalchemy import orm
 
-from corepos.db.office_trans.model import TransactionDetailBase
+from corepos.db.office_trans.model import DTransactionBase, DLogBase
 
 
 Base = orm.declarative_base()
 
 
-class TransactionDetail(TransactionDetailBase, Base):
+class BigArchive(DTransactionBase, Base):
     """
-    Represents a POS transaction detail record.
+    Represents a record from ``bigArchive`` table.
     """
     __tablename__ = 'bigArchive'
+
+
+# TODO: deprecate / remove this
+TransactionDetail = BigArchive
+
+
+class DLogBig(DLogBase, Base):
+    """
+    Represents a record from ``dlogBig`` view.
+    """
+    __tablename__ = 'dlogBig'

corepos/db/office_trans/model.py

@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  pyCOREPOS -- Python Interface to CORE POS
-#  Copyright © 2018-2023 Lance Edgar
+#  Copyright © 2018-2024 Lance Edgar
 #
 #  This file is part of pyCOREPOS.
 #
@@ -68,7 +68,7 @@ class EquityLiveBalance(Base):
     start_date = sa.Column('startdate', sa.DateTime(), nullable=True)
 
 
-class TransactionDetailBase(object):
+class TransactionDetailBase:
     """
     Represents a POS transaction detail record.
     """
@@ -86,10 +86,12 @@ class TransactionDetailBase(object):
     transaction_number = sa.Column('trans_no', sa.Integer(), nullable=True)
     transaction_type = sa.Column('trans_type', sa.String(length=1), nullable=True)
     transaction_subtype = sa.Column('trans_subtype', sa.String(length=2), nullable=True)
-    transaction_status = sa.Column('trans_status', sa.String(length=1), nullable=True)
 
-    # timestamps
-    date_time = sa.Column('datetime', sa.DateTime(), nullable=True)
+    trans_status = sa.Column(sa.String(length=1), nullable=True)
+
+    @declared_attr
+    def transaction_status(self):
+        return orm.synonym('trans_status')
 
     # cashier
     employee_number = sa.Column('emp_no', sa.Integer(), nullable=True)
@@ -115,7 +117,11 @@ class TransactionDetailBase(object):
 
     cost = sa.Column(sa.Numeric(precision=10, scale=2), nullable=True)
 
-    unit_price = sa.Column('unitPrice', sa.Numeric(precision=10, scale=2), nullable=True)
+    unitPrice = sa.Column('unitPrice', sa.Numeric(precision=10, scale=2), nullable=True)
+
+    @declared_attr
+    def unit_price(self):
+        return orm.synonym('unitPrice')
 
     total = sa.Column(sa.Numeric(precision=10, scale=2), nullable=True)
 
@@ -161,8 +167,22 @@ class TransactionDetailBase(object):
         return self.description or ''
 
 
-class TransactionDetail(TransactionDetailBase, Base):
+class DTransactionBase(TransactionDetailBase):
+
+    date_time = sa.Column('datetime', sa.DateTime(), nullable=True)
+
+
+class DLogBase(TransactionDetailBase):
+
+    date_time = sa.Column('tdate', sa.DateTime(), nullable=True)
+
+
+class DTransaction(DTransactionBase, Base):
     """
-    Represents a POS transaction detail record.
+    Represents a record from ``dtransactions`` table.
     """
     __tablename__ = 'dtransactions'
+
+
+# TODO: deprecate / remove this
+TransactionDetail = DTransaction