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Contents
module JsonapiActions
class EagerLoader
attr_reader :records, :serializer, :includes
# @param records [ActiveRecord::Relation]
# @param serializer
# @param includes [Array<Symbol>]
def initialize(records, serializer, includes)
@records = records
@serializer = serializer
@includes = includes
end
# @return [ActiveRecord::Relation]
def eager_load
serializer.relationships_to_serialize&.each do |rel|
next if @records.eager_load_values.include?(rel[0])
@records = @records.eager_load(rel[0])
end
includes.each do |include|
rel = path_to_relationship(include.to_s.split('.'))
next if @records.eager_load_values.include?(rel)
@records = records.eager_load(rel)
end
@records
end
private
def path_to_relationship(parts)
if parts.length == 1
parts[0].to_sym
else parts.length == 2
{ parts[0].to_sym => path_to_relationship(parts[1..-1]) }
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems