Add Product.subdepartment relationship

corepos/db/office_op/model.py

@@ -242,6 +242,7 @@ class Product(Base):
     __tablename__ = 'products'
     __table_args__ = (
         sa.ForeignKeyConstraint(['department'], ['departments.dept_no']),
+        sa.ForeignKeyConstraint(['subdept'], ['subdepts.subdept_no']),
         sa.ForeignKeyConstraint(['tax'], ['taxrates.id']),
     )
 
@@ -276,6 +277,13 @@ class Product(Base):
     end_date = sa.Column(sa.DateTime(), nullable=True)
 
     department_number = sa.Column('department', sa.SmallInteger(), nullable=True)
+    department = orm.relationship(
+        Department,
+        primaryjoin=Department.number == department_number,
+        foreign_keys=[department_number],
+        doc="""
+        Reference to the :class:`Department` to which the product belongs.
+        """)
 
     size = sa.Column(sa.String(length=9), nullable=True)
 
@@ -317,6 +325,13 @@ class Product(Base):
     flags = sa.Column('numflag', sa.Integer(), nullable=True, default=0)
 
     subdepartment_number = sa.Column('subdept', sa.SmallInteger(), nullable=True)
+    subdepartment = orm.relationship(
+        Subdepartment,
+        primaryjoin=Subdepartment.number == subdepartment_number,
+        foreign_keys=[subdepartment_number],
+        doc="""
+        Reference to the :class:`Subdepartment` to which the product belongs.
+        """)
 
     deposit = sa.Column(sa.Float(), nullable=True)
 
@@ -325,17 +340,6 @@ class Product(Base):
     store_id = sa.Column(sa.SmallInteger(), nullable=True, default=0)
 
     default_vendor_id = sa.Column(sa.Integer(), nullable=True, default=0)
-
-    current_origin_id = sa.Column(sa.Integer(), nullable=True, default=0)
-
-    department = orm.relationship(
-        Department,
-        primaryjoin=Department.number == department_number,
-        foreign_keys=[department_number],
-        doc="""
-        Reference to the :class:`Department` to which the product belongs.
-        """)
-
     vendor = orm.relationship(
         Vendor,
         primaryjoin=Vendor.id == default_vendor_id,
@@ -344,6 +348,8 @@ class Product(Base):
         Reference to the default :class:`Vendor` from which the product is obtained.
         """)
 
+    current_origin_id = sa.Column(sa.Integer(), nullable=True, default=0)
+
     @property
     def full_description(self):
         fields = ['brand', 'description', 'size']