Class: Nuva::Queries::DiseasesByVaccineQuery

Inherits:
Query
  • Object
show all
Defined in:
lib/nuva/queries.rb

Instance Method Summary collapse

Methods inherited from Query

#inspect

Constructor Details

#initialize(repositories) ⇒ DiseasesByVaccineQuery

Returns a new instance of DiseasesByVaccineQuery.



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# File 'lib/nuva/queries.rb', line 92

def initialize(repositories)
  hash = Hash.new { |h, k| h[k] = [] }
  @diseases_by_vaccine_id =
    repositories[:valences]
      .all
      .reduce(hash) do |acc, valence|
        valence.vaccine_ids.each do |vaccine_id|
          valence.disease_ids.each do |disease_id|
            acc[vaccine_id] << repositories[:diseases].find(disease_id)
          end
        end
        acc
      end
end

Instance Method Details

#call(vaccine) ⇒ Object 



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# File 'lib/nuva/queries.rb', line 107

def call(vaccine)
  @diseases_by_vaccine_id[vaccine.id].uniq(&:id)
end