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Contents
# frozen_string_literal: true
module Decidim
module Proposals
# Class used to retrieve similar proposals.
class SimilarProposals < Rectify::Query
include Decidim::TranslationsHelper
# Syntactic sugar to initialize the class and return the queried objects.
#
# components - Decidim::CurrentComponent
# proposal - Decidim::Proposals::Proposal
def self.for(components, proposal)
new(components, proposal).query
end
# Initializes the class.
#
# components - Decidim::CurrentComponent
# proposal - Decidim::Proposals::Proposal
def initialize(components, proposal)
@components = components
@proposal = proposal
end
# Retrieves similar proposals
def query
Decidim::Proposals::Proposal
.where(component: @components)
.published
.where(
"GREATEST(#{title_similarity}, #{body_similarity}) >= ?",
@proposal.title,
@proposal.body,
Decidim::Proposals.similarity_threshold
)
.limit(Decidim::Proposals.similarity_limit)
end
private
def title_similarity
"similarity(title, ?)"
end
def body_similarity
"similarity(body, ?)"
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems