Add basic support for CORE Office -> CORE Lane export

just products data so far

rattail_corepos/corepos/lane/importing/op/__init__.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2021 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Importing "operational" data into CORE Lane
+"""
+
+from . import model

rattail_corepos/corepos/lane/importing/op/model.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2021 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+"operational" model importers for CORE Lane
+
+.. warning::
+   All classes in this module are "direct DB" importers, which will
+   write directly to MySQL.  They are meant to be used in dry-run mode
+   only, and/or for sample data import to a dev system etc.  They are
+   *NOT* meant for production use, as they will completely bypass any
+   CORE business rules logic which may exist.
+"""
+
+from rattail import importing
+from rattail_corepos.corepos.common.importing import ToCore
+
+from corepos.db.lane_op import model as corepos
+
+
+class ProductImporter(ToCore):
+    model_class = corepos.Product
+    key = 'id'

rattail_corepos/corepos/lane/importing/op/office.py

@@ -0,0 +1,150 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2021 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU General Public License as published by the Free Software
+#  Foundation, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+#  details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+CORE Office -> CORE Lane import
+"""
+
+from corepos.db.office_op import Session as CoreOfficeSession, model as coreoffice
+from corepos.db.lane_op import Session as CoreLaneSession
+
+from rattail import importing
+from rattail.importing.handlers import FromSQLAlchemyHandler, ToSQLAlchemyHandler
+from rattail.util import OrderedDict
+from rattail_corepos.corepos.lane.importing import op as corepos_importing
+
+
+# TODO: this surely belongs in some other/common place? (is not lane-specific)
+class FromCoreOfficeHandler(FromSQLAlchemyHandler):
+    """
+    Base class for import handlers which use CORE Office as the host.
+    """
+    host_title = "CORE Office"
+
+    def make_host_session(self):
+        return CoreOfficeSession()
+
+
+# TODO: this surely belongs in some other/common place? (is not office-specific)
+class ToCoreLaneHandler(ToSQLAlchemyHandler):
+    """
+    Base class for import handlers which target CORE Lane on the local side.
+    """
+    local_title = "CORE Lane"
+
+    def make_session(self):
+        return CoreLaneSession()
+
+
+class FromCoreOfficeToCoreLane(FromCoreOfficeHandler, ToCoreLaneHandler):
+    """
+    Handler for CORE Office -> CORE Lane data export.
+    """
+    direction = 'export'
+
+    @property
+    def local_title(self):
+        return "CORE Lane ({})".format(self.dbkey)
+
+    def make_session(self):
+        return CoreLaneSession(bind=self.config.core_lane_op_engines[self.dbkey])
+
+    def get_importers(self):
+        importers = OrderedDict()
+        importers['Product'] = ProductImporter
+        return importers
+
+
+class FromCore(importing.FromSQLAlchemy):
+    """
+    Base class for CORE Office -> CORE Lane data importers.
+    """
+
+
+class ProductImporter(FromCore, corepos_importing.model.ProductImporter):
+    host_model_class = coreoffice.Product
+
+    # these fields are held in common, between Office and Lane tables
+    common_fields = [
+        'id',
+        'upc',
+        'description',
+        'brand',
+        'formatted_name',
+        'normal_price',
+        'price_method',
+        'group_price',
+        'quantity',
+        'special_price',
+        'special_price_method',
+        'special_group_price',
+        'special_quantity',
+        # 'special_limit',
+        'start_date',
+        'end_date',
+        'department_number',
+        'size',
+        'tax_rate_id',
+        'foodstamp',
+        'scale',
+        'scale_price',
+        'mix_match_code',
+        # 'created',
+        # 'modified',
+
+        # TODO: what to do about this 'replaces' thing?
+        # 'batchID'=>array('type'=>'TINYINT', 'replaces'=>'advertised'),
+        # batch_id = sa.Column('batchID', sa.SmallInteger(), nullable=True)
+        # advertised = sa.Column(sa.Boolean(), nullable=True)
+
+        'tare_weight',
+        'discount',
+        'discount_type',
+        'line_item_discountable',
+        'unit_of_measure',
+        'wicable',
+        'quantity_enforced',
+        'id_enforced',
+        'cost',
+        # 'special_cost',
+        # 'received_cost',
+        'in_use',
+        'flags',
+        'subdepartment_number',
+        'deposit',
+        'local',
+        'store_id',
+        'default_vendor_id',
+        'current_origin_id',
+        # 'auto_par',
+        # 'price_rule_id',
+        'last_sold',
+    ]
+
+    @property
+    def supported_fields(self):
+        return self.common_fields
+
+    def normalize_host_object(self, product):
+        data = dict([(field, getattr(product, field))
+                     for field in self.common_fields])
+        return data