app/models/search_results/mappers/result_mapper_implication_double_ante.rb
module SearchResults
module Mappers
class ResultMapperImplicationDouble < ResultMapperImplicationCons
private
def self.find_antecedents(ids)
prop_values_selected_in_all = LingsProperty.select_ids.group(:property_value).having(["COUNT(property_value) = ?", ids.size]).count
prop_values_selected_in_ids = LingsProperty.with_ling_id(ids).select_ids.group(:property_value).having(["COUNT(property_value) = ?", ids.size]).count
prop_values_antecedents = intersect prop_values_selected_in_all, prop_values_selected_in_ids
LingsProperty.select_ids.where(:property_value => prop_values_antecedents.keys).group_by(&:property_value)
end
def self.find_implications(vals)
{}.tap do |groups|
group = get_group(vals)
cache_by_prop_value = vals_by_prop_values(vals)
# For each cons_prop:
# find all lings with this prop, call it SBL (SuBsetLings)
# find all props group by props and filter by lings number (should be equal than SBL)
# check lings for each prop is a subset of SBL
prop_values_in(cache_by_prop_value).each do |prop_value|
subset_ling_ids = filter_ling_ids(group, prop_value)
antecedents = find_antecedents(subset_ling_ids).reject {|pv, lps| pv==prop_value }
antecedents.each_value do |prop|
prop.sort_by! {|p| p.id }
parent_id = [prop,cache_by_prop_value[prop_value]].map(&:first).map(&:id).sort
groups[parent_id] ||= prop.map(&:id)
end
end
end
end
end
end
end