c65bc6f229
Uses local cache of user mappings instead of AJAX calls; has just enough customization hooks to allow for a department/user mapping for MJ...
81 lines
2.4 KiB
Python
81 lines
2.4 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 © 2010-2016 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 Affero General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option)
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# any later 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 Affero General Public License for
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# more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with 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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Autocomplete View
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"""
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from __future__ import unicode_literals, absolute_import
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from tailbone.views.core import View
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from tailbone.db import Session
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class AutocompleteView(View):
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"""
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Base class for generic autocomplete views.
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"""
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def prepare_term(self, term):
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"""
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If necessary, massage the incoming search term for use with the query.
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"""
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return term
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def filter_query(self, q):
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return q
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def make_query(self, term):
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q = Session.query(self.mapped_class)
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q = self.filter_query(q)
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q = q.filter(getattr(self.mapped_class, self.fieldname).ilike('%%%s%%' % term))
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q = q.order_by(getattr(self.mapped_class, self.fieldname))
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return q
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def query(self, term):
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return self.make_query(term)
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def display(self, instance):
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return getattr(instance, self.fieldname)
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def value(self, instance):
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"""
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Determine the data value for a query result instance.
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"""
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return instance.uuid
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def get_data(self, term):
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return self.query(term).all()
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def __call__(self):
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"""
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View implementation.
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"""
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term = self.request.params.get(u'term') or u''
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term = term.strip()
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if term:
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term = self.prepare_term(term)
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if not term:
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return []
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results = self.get_data(term)
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return [{'label': self.display(x), 'value': self.value(x)} for x in results]
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