debian-mirror-gitlab/lib/gitlab/graphql/loaders/full_path_model_loader.rb

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2020-06-23 00:09:42 +05:30
# frozen_string_literal: true
module Gitlab
module Graphql
module Loaders
# Suitable for use to find resources that expose `where_full_path_in`,
# such as Project, Group, Namespace
class FullPathModelLoader
attr_reader :model_class, :full_path
def initialize(model_class, full_path)
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@model_class = model_class
@full_path = full_path
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end
def find
BatchLoader::GraphQL.for(full_path).batch(key: model_class) do |full_paths, loader, args|
# `with_route` avoids an N+1 calculating full_path
args[:key].where_full_path_in(full_paths).with_route.each do |model_instance|
loader.call(model_instance.full_path, model_instance)
end
end
end
end
end
end
end