Class: Nuva::Nuva

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

Constant Summary collapse

DEFAULT_CDN_URI = 
URI("https://nuva.svc.edge.scw.cloud")

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(db) ⇒ Nuva

Returns a new instance of Nuva.



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# File 'lib/nuva.rb', line 16

def initialize(db)
  @db = db

  @repositories = OpenStruct.new
  @repositories.vaccines = VaccineRepository.new db.vaccines
  @repositories.valences = ValenceRepository.new db.valences
  @repositories.diseases = DiseaseRepository.new db.diseases
  @repositories.freeze

  @queries = OpenStruct.new
  @queries.valences_by_vaccine =
    ::Nuva::Queries::ValencesByVaccineQuery.new @repositories
  @queries.vaccines_by_valence =
    ::Nuva::Queries::VaccinesByValenceQuery.new @repositories
  @queries.vaccines_by_disease =
    ::Nuva::Queries::VaccinesByDiseaseQuery.new @repositories
  @queries.valences_by_disease =
    ::Nuva::Queries::ValencesByDiseaseQuery.new @repositories
  @queries.diseases_by_vaccine =
    ::Nuva::Queries::DiseasesByVaccineQuery.new @repositories
  @queries.diseases_by_valence =
    ::Nuva::Queries::DiseasesByValenceQuery.new @repositories
  @queries.vaccine_fuzzy_search =
    ::Nuva::Queries::VaccineFuzzySearchQuery.new @repositories
  @queries.lookup_vaccine_by_code =
    ::Nuva::Queries::LookupVaccineByCodeQuery.new @repositories
  @queries.lookup_equivalent_vaccines =
    ::Nuva::Queries::LookupEquivalentVaccinesQuery.new @repositories
  @queries.lookup_generalized_vaccines =
    ::Nuva::Queries::LookupGeneralizedVaccinesQuery.new @repositories,
    @queries.valences_by_vaccine
  @queries.all_nomenclatures =
    ::Nuva::Queries::AllNomenclaturesQuery.new @repositories
  @queries.all_code_by_nomenclature =
    ::Nuva::Queries::AllCodeByNomenclatureQuery.new @repositories
  @queries.freeze
end

Instance Attribute Details

#queries ⇒ Object (readonly)

Returns the value of attribute queries.



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# File 'lib/nuva.rb', line 14

def queries
  @queries
end

#repositories ⇒ Object (readonly)

Returns the value of attribute repositories.



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# File 'lib/nuva.rb', line 13

def repositories
  @repositories
end

Class Method Details

.fetch_latest_version_hash(cdn_uri: DEFAULT_CDN_URI, http: nil) ⇒ Object 



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# File 'lib/nuva.rb', line 75

def fetch_latest_version_hash(cdn_uri: DEFAULT_CDN_URI, http: nil)
  if http.nil?
    http = init_http(cdn_uri)
    passed_http = false
  end
  response = http.get("/versions/last.json")
  hash = JSON.parse(response.body)["dump_hash"]
  http.finish unless passed_http
  hash
end

.load(cdn_uri: DEFAULT_CDN_URI, lang: "en", hash: nil) ⇒ Object 



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# File 'lib/nuva.rb', line 65

def load(cdn_uri: DEFAULT_CDN_URI, lang: "en", hash: nil)
  init_http(cdn_uri) do |http|
    # Fetch version manifest if necessary
    hash ||= fetch_latest_version_hash(http:)

    response = http.get("/proto/#{hash}_#{lang}.db")
    ::Nuva::Nuva.new(::Nuva::NuvaDatabase.decode(response.body))
  end
end

.load_from_file(path) ⇒ Object 



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# File 'lib/nuva.rb', line 86

def load_from_file(path)
  Nuva.new(NuvaDatabase.decode(File.read(path)))
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/nuva.rb', line 58

def inspect
  "#<Nuva::Nuva version=#{version.major}.#{version.minor}.#{version.patch} disease_count=#{repositories.diseases.all.count} vaccine_count=#{repositories.vaccines.all.count} valence_count=#{repositories.valences.all.count}>"
end

#version ⇒ Object 



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# File 'lib/nuva.rb', line 54

def version
  @db.version
end