64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division
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import settings
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import models
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import utils
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import oxflask.query
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from sqlalchemy.sql.expression import nullslast
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def parse(data):
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query = {}
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query['range'] = [0, 100]
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if not 'group' in data:
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query['sort'] = [{'key':'title', 'operator':'+'}]
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for key in ('keys', 'group', 'list', 'range', 'sort', 'query'):
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if key in data:
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query[key] = data[key]
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#print data
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query['qs'] = oxflask.query.Parser(models.Item).find(data)
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if 'query' in query and 'conditions' in query['query'] and query['query']['conditions']:
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conditions = query['query']['conditions']
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condition = conditions[0]
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if condition['key'] == '*':
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value = condition['value'].lower()
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query['qs'] = models.Item.query.join(
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models.Find, models.Find.item_id==models.Item.id).filter(
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models.Find.value.contains(value))
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if not 'group' in query:
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query['qs'] = order(query['qs'], query['sort'])
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return query
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def order(qs, sort, prefix='sort_'):
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order_by = []
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if len(sort) == 1:
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additional_sort = settings.config['user']['ui']['listSort']
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key = utils.get_by_id(models.Item.item_keys, sort[0]['key'])
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for s in key.get('additionalSort', additional_sort):
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if s['key'] not in [e['key'] for e in sort]:
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sort.append(s)
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for e in sort:
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operator = e['operator']
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if operator != '-':
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operator = ''
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else:
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operator = ' DESC'
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key = {}.get(e['key'], e['key'])
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if key not in ('fixme', ):
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key = "%s%s" % (prefix, key)
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order = '%s%s' % (key, operator)
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order_by.append(order)
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if order_by:
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#nulllast not supported in sqlite, use IS NULL hack instead
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#order_by = map(nullslast, order_by)
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_order_by = []
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for order in order_by:
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nulls = "%s IS NULL" % order.split(' ')[0]
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_order_by.append(nulls)
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_order_by.append(order)
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order_by = _order_by
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qs = qs.order_by(*order_by)
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return qs
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