Module: CacheQL

Defined in:
lib/cacheql.rb,
lib/cacheql/railtie.rb,
lib/cacheql/version.rb,
lib/cacheql/record_loader.rb,
lib/cacheql/resolve_wrapper.rb,
lib/cacheql/association_loader.rb,
lib/cacheql/field_instrumentation.rb,
lib/cacheql/polymorphic_key_loader.rb

Overview

Based on github.com/rmosolgo/graphql-batch-example/blob/master/good_schema/polymorphic_key_loader.rb

Defined Under Namespace

Classes: AssociationLoader, FieldInstrumentation, PolymorphicKeyLoader, Railtie, RecordLoader, ResolveWrapper

Constant Summary collapse

VERSION = 
"0.2.0"

Class Method Summary collapse

Class Method Details

.fetch(cacheable_fields, query, variables, &block) ⇒ Object

Query-level caching, for any cacheable_fields



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

def self.fetch(cacheable_fields, query, variables, &block)
  document = GraphQL.parse(query)
  cacheables = document.definitions.map { |definition| definition.selections.map(&:name) }.flatten & cacheable_fields

  if cacheables.present?
    cache_key = [
      CacheQL::Railtie.config.global_key,
      'result',
      Digest::SHA256.hexdigest(document.to_query_string + variables.to_s)
    ]
    CacheQL::Railtie.config.cache.fetch(cache_key, expires_in: CacheQL::Railtie.config.expires_range.sample.minutes) do
      block.call(document)
    end
  else
    block.call(document)
  end
end