71 lines
2.6 KiB
Ruby
71 lines
2.6 KiB
Ruby
class DossierSearchService
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def self.matching_dossiers(dossiers, search_terms, with_annotations = false)
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if dossiers.nil?
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[]
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else
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dossier_by_exact_id(dossiers, search_terms)
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.presence || dossier_by_full_text(dossiers, search_terms, with_annotations)
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end
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end
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def self.matching_dossiers_for_user(search_terms, user)
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dossier_by_exact_id_for_user(search_terms, user)
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.presence || dossier_by_full_text_for_user(search_terms, user.dossiers) || dossier_by_full_text_for_user(search_terms, user.dossiers_invites)
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end
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private
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def self.dossier_by_exact_id(dossiers, search_terms)
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id = search_terms.to_i
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if id != 0 && id_compatible?(id) # Sometimes instructeur is searching dossiers with a big number (ex: SIRET), ActiveRecord can't deal with them and throws ActiveModel::RangeError. id_compatible? prevents this.
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dossiers.where(id: id).ids
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else
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[]
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end
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end
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def self.dossier_by_full_text(dossiers, search_terms, with_annotations)
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ts_vector = "to_tsvector('french', #{with_annotations ? 'dossiers.search_terms || dossiers.private_search_terms' : 'dossiers.search_terms'})"
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ts_query = "to_tsquery('french', #{Dossier.connection.quote(to_tsquery(search_terms))})"
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dossiers
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.where("#{ts_vector} @@ #{ts_query}")
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.order(Arel.sql("COALESCE(ts_rank(#{ts_vector}, #{ts_query}), 0) DESC"))
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.pluck('id')
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.uniq
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end
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def self.dossier_by_full_text_for_user(search_terms, dossiers)
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ts_vector = "to_tsvector('french', search_terms)"
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ts_query = "to_tsquery('french', #{Dossier.connection.quote(to_tsquery(search_terms))})"
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dossiers
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.where("#{ts_vector} @@ #{ts_query}")
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.order(Arel.sql("COALESCE(ts_rank(#{ts_vector}, #{ts_query}), 0) DESC"))
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end
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def self.dossier_by_exact_id_for_user(search_terms, user)
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id = search_terms.to_i
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if id != 0 && id_compatible?(id) # Sometimes user is searching dossiers with a big number (ex: SIRET), ActiveRecord can't deal with them and throws ActiveModel::RangeError. id_compatible? prevents this.
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Dossier.where(id: user.dossiers.where(id: id) + user.dossiers_invites.where(id: id)).distinct
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else
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Dossier.none
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end
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end
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def self.id_compatible?(number)
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ActiveRecord::Type::Integer.new.serialize(number)
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true
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rescue ActiveModel::RangeError
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false
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end
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def self.to_tsquery(search_terms)
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(search_terms || "")
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.gsub(/['?\\:&|!<>()]/, "") # drop disallowed characters
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.strip
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.split(/\s+/) # split words
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.map { |x| "#{x}:*" } # enable prefix matching
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.join(" & ")
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end
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end
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