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module RSolr::Ext::Response::Facetable
# represents a facet value; which is a field value and its hit count
class FacetValue
attr_reader :value,:hits
def initialize(value,hits)
@value,@hits=value,hits
end
end
# represents a facet; which is a field and its values
class Facet
attr_reader :field
attr_accessor :values
def initialize(field)
@field=field
@values=[]
end
end
# @response.facets.each do |facet|
# facet.field
# end
# "caches" the result in the @facets instance var
def facets
# memoize!
@facets ||= (
facet_fields.inject([]) do |acc,(facet_field_name,values_and_hits_list)|
acc << facet = Facet.new(facet_field_name)
# the values_and_hits_list is an array where a value is immediately followed by it's hit count
# so we shift off an item (the value)
while value = values_and_hits_list.shift
# and then shift off the next to get the hit value
facet.values << FacetValue.new(value, values_and_hits_list.shift)
# repeat until there are no more pairs in the values_and_hits_list array
end
acc
end
)
end
# pass in a facet field name and get back a Facet instance
def facet_by_field_name(name)
@facets_by_field_name ||= {}
@facets_by_field_name[name] ||= (
facets.detect{|facet|facet.field.to_s == name.to_s}
)
end
def facet_counts
@facet_counts ||= self[:facet_counts] || {}
end
# Returns the hash of all the facet_fields (ie: {'instock_b' => ['true', 123, 'false', 20]}
def facet_fields
@facet_fields ||= facet_counts[:facet_fields] || {}
end
# Returns all of the facet queries
def facet_queries
@facet_queries ||= facet_counts[:facet_queries] || {}
end
end # end Facets
Version data entries
9 entries across 9 versions & 1 rubygems