From a0efa1a967369d93fbf798466654f07bc0286c21 Mon Sep 17 00:00:00 2001
From: Lance Edgar <lance@edbob.org>
Date: Sun, 1 Mar 2020 20:01:05 -0600
Subject: [PATCH] Add model for datasync changes queue table

just in case it's there, for use w/ datasync watcher
---
 corepos/db/office_op/model.py | 35 ++++++++++++++++++-----------------
 1 file changed, 18 insertions(+), 17 deletions(-)

diff --git a/corepos/db/office_op/model.py b/corepos/db/office_op/model.py
index 824ec07..e1e54f7 100644
--- a/corepos/db/office_op/model.py
+++ b/corepos/db/office_op/model.py
@@ -21,12 +21,9 @@
 #
 ################################################################################
 """
-CORE POS Data Model
+Data model for CORE POS "office_op" DB
 """
 
-from __future__ import unicode_literals, absolute_import
-
-import six
 import sqlalchemy as sa
 from sqlalchemy import orm
 from sqlalchemy.ext.declarative import declarative_base
@@ -36,7 +33,23 @@ from sqlalchemy.ext.associationproxy import association_proxy
 Base = declarative_base()
 
 
-@six.python_2_unicode_compatible
+class Change(Base):
+    """
+    Represents a changed (or deleted) record, which is pending synchronization
+    to another system(s).
+
+    .. note::
+       This table may or may not be installed to a given CORE Office Op DB.  Its
+       presence is required if Rattail datasync needs to "watch" the DB.
+    """
+    __tablename__ = 'datasync_changes'
+
+    id = sa.Column(sa.Integer(), nullable=False, primary_key=True)
+    object_type = sa.Column(sa.String(length=255), nullable=False)
+    object_key = sa.Column(sa.String(length=255), nullable=False)
+    deleted = sa.Column(sa.Boolean(), nullable=False, default=False)
+
+
 class Parameter(Base):
     """
     Represents a "parameter" value.
@@ -57,7 +70,6 @@ class Parameter(Base):
         return "{}-{} {}".format(self.store_id, self.lane_id, self.param_key)
 
 
-@six.python_2_unicode_compatible
 class Department(Base):
     """
     Represents a department within the organization.
@@ -95,7 +107,6 @@ class Department(Base):
         return self.name or ''
 
 
-@six.python_2_unicode_compatible
 class Subdepartment(Base):
     """
     Represents a subdepartment within the organization.
@@ -120,7 +131,6 @@ class Subdepartment(Base):
         return self.name or ''
 
 
-@six.python_2_unicode_compatible
 class Vendor(Base):
     """
     Represents a vendor from which product may be purchased.
@@ -184,7 +194,6 @@ class VendorContact(Base):
     notes = sa.Column(sa.Text(), nullable=True)
 
 
-@six.python_2_unicode_compatible
 class Product(Base):
     """
     Represents a product, purchased and/or sold by the organization.
@@ -303,7 +312,6 @@ class Product(Base):
         return self.description or ''
 
 
-@six.python_2_unicode_compatible
 class ProductFlag(Base):
     """
     Represents a product flag attribute.
@@ -320,7 +328,6 @@ class ProductFlag(Base):
         return self.description or ''
 
 
-@six.python_2_unicode_compatible
 class Employee(Base):
     """
     Represents an employee within the organization.
@@ -351,7 +358,6 @@ class Employee(Base):
         return ' '.join([self.first_name or '', self.last_name or '']).strip()
 
 
-@six.python_2_unicode_compatible
 class MemberType(Base):
     """
     Represents a type of membership within the organization.
@@ -378,7 +384,6 @@ class MemberType(Base):
         return self.description or ""
 
 
-@six.python_2_unicode_compatible
 class Customer(Base):
     """
     Represents a customer of the organization.
@@ -452,7 +457,6 @@ class Customer(Base):
         return "{} {}".format(self.first_name or '', self.last_name or '').strip()
 
 
-@six.python_2_unicode_compatible
 class MemberInfo(Base):
     """
     Contact info regarding a member of the organization.
@@ -517,7 +521,6 @@ class MemberInfo(Base):
         return self.full_name
 
 
-@six.python_2_unicode_compatible
 class MemberDate(Base):
     """
     Join/exit dates for members
@@ -536,7 +539,6 @@ class MemberDate(Base):
             self.end_date.date() if self.end_date else "??")
 
 
-@six.python_2_unicode_compatible
 class MemberContact(Base):
     """
     Contact preferences for members
@@ -566,7 +568,6 @@ class MemberContact(Base):
         return str(self.preference)
 
 
-@six.python_2_unicode_compatible
 class HouseCoupon(Base):
     """
     Represents a "house" (store) coupon.