46 lines
1.3 KiB
Ruby
46 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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module Resolvers
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class BlobsResolver < BaseResolver
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include Gitlab::Graphql::Authorize::AuthorizeResource
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type Types::Tree::BlobType.connection_type, null: true
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authorize :download_code
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calls_gitaly!
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alias_method :repository, :object
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argument :paths, [GraphQL::Types::String],
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required: true,
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description: 'Array of desired blob paths.'
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argument :ref, GraphQL::Types::String,
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required: false,
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default_value: nil,
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description: 'Commit ref to get the blobs from. Default value is HEAD.'
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# We fetch blobs from Gitaly efficiently but it still scales O(N) with the
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# number of paths being fetched, so apply a scaling limit to that.
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def self.resolver_complexity(args, child_complexity:)
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super + (args[:paths] || []).size
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end
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def resolve(paths:, ref:)
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authorize!(repository.container)
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return [] if repository.empty?
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ref ||= repository.root_ref
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validate_ref(ref)
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repository.blobs_at(paths.map { |path| [ref, path] })
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end
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private
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def validate_ref(ref)
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unless Gitlab::GitRefValidator.validate(ref)
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raise Gitlab::Graphql::Errors::ArgumentError, 'Ref is not valid'
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end
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end
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end
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end
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