e91fef0e8d
the older table seems more reliable? at least i just ran across an example where it was, albeit a demo..
79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
# -*- coding: utf-8; -*-
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################################################################################
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#
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# Rattail -- Retail Software Framework
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# Copyright © 2010-2022 Lance Edgar
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#
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# This file is part of Rattail.
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#
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# Rattail is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Rattail. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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"""
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CORE-POS misc. utilities
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"""
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import logging
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import sqlalchemy as sa
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from corepos.db.office_op import Session as CoreSession, model as corepos
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from rattail.db.util import short_session
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from rattail.util import OrderedDict, progress_loop
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log = logging.getLogger(__name__)
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def get_core_members(api, progress=None):
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"""
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Shared logic for fetching *all* customer accounts from CORE-POS API.
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"""
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# TODO: ideally could do this, but API doesn't let us fetch "all"
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# return api.get_members()
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# first we fetch all customer records from CORE DB
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with short_session(Session=CoreSession) as s:
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db_customers = s.query(corepos.CustData).all()
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s.expunge_all()
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# now we must fetch each customer account individually from API
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members = OrderedDict()
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def fetch(dbcust, i):
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if dbcust.card_number in members:
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return # already fetched this one
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member = api.get_member(dbcust.card_number)
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if member:
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members[dbcust.card_number] = member
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else:
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logger = log.warning if dbcust.person_number == 1 else log.debug
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logger("could not fetch member from CORE API: %s",
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dbcust.card_number)
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progress_loop(fetch, db_customers, progress,
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message="Fetching Member data from CORE API")
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return list(members.values())
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def get_max_existing_vendor_id(session=None):
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"""
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Returns the "last" (max) existing value for the ``vendors.vendorID``
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column, for use when creating new records, since it is not auto-increment.
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"""
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with short_session(Session=CoreSession, session=session) as s:
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return s.query(sa.func.max(corepos.Vendor.id))\
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.scalar() or 0
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