def _make_browser(self):
url = url_for(controller='dimension', action='entries',
dataset=c.dataset.name,
dimension=c.dimension,
name=c.member['name'])
c.browser = Browser(c.dataset, request.params, url=url)
c.browser.filter_by("+%s:\"%s\"" % (c.dimension, c.member['name']))
c.browser.facet_by_dimensions()
def count(dataset_name=None, **query):
'''Count the number of element that are in the *dataset_name*
and match the ***query*.
``dataset``
A dataset name or a :class:`openspending.model.Dataset` object
``**query``
Parameters for an *AND* query. Only the *key* values objects
matching these queries will be counted.
Returns: The count as an int.
'''
browser = Browser({})
# we don't want any docs. Facets listed in the Response
browser.limit(0)
if dataset_name is not None:
browser.filter_by('+dataset:%s' % dataset_name)
for (key, value) in query.items():
if isinstance(value, bool):
if value:
value = 'true'
else:
value = 'false'
filter_ = '+%s:%s' % (key, value)
browser.filter_by(filter_)
return browser.num_results
def facets_for_fields(facet_fields, dataset_name=None, **query):
'''Get the facets for the fields *facet_fields* for all elements
that are part of the dataset *dataset_name* and that
match ***query*.
``facet_fields``
A ``list`` of field names
``dataset``
A dataset name or a :class:`openspending.model.Dataset` object
``**query``
Parameters for an *AND* query. Only the *key* values objects
matching these queries will be counted.
Returns: A ``dict`` where the keys are the names in the
facet_fields list and the values are dictionaries with
"<facet value>:<count>" items.
'''
# browser with no limit for facets.
browser = Browser({'facet_limit': -1})
browser.facet_by(*facet_fields)
# we don't want any docs. Facets listed in the Response
browser.limit(0)
if dataset_name is not None:
browser.filter_by('+dataset:%s' % dataset_name)
for (key, value) in query.items():
if isinstance(value, bool):
if value:
value = 'true'
else:
value = 'false'
filter_ = '+%s:%s' % (key, value)
browser.filter_by(filter_)
return dict([(f, browser.facet_values(f)) for f in facet_fields])
