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Contents
module Sunspot
module Query
module Filter
#
# Express this filter as an :fq parameter; i.e., the boolean phrase,
# maybe prefixed by local params.
#
def to_filter_query
if tagged? then "{!tag=#{tag}}#{to_boolean_phrase}"
else to_boolean_phrase
end
end
#
# Generate and return a tag that can be attached to this restriction,
# for use with multiselect faceting. This needs to be unique, but doesn't
# really need to be human-readable, so just generate a string based on the
# hash of the boolean phrase.
#
def tag
@tag ||= to_boolean_phrase.hash.abs.to_s(36)
end
private
#
# True if a tag has been generated for this filter (e.g., if it's been
# excluded from a given facet). If a tag has not been generated at the
# time that the filter query param is requested, then it is not necessary
# to include a tag in the local params.
#
def tagged?
defined?(@tag) && !!@tag
end
end
end
end
Version data entries
20 entries across 20 versions & 2 rubygems