diff options
Diffstat (limited to 'app/graphql/resolvers/blobs_resolver.rb')
-rw-r--r-- | app/graphql/resolvers/blobs_resolver.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/app/graphql/resolvers/blobs_resolver.rb b/app/graphql/resolvers/blobs_resolver.rb new file mode 100644 index 00000000000..d006769bd4b --- /dev/null +++ b/app/graphql/resolvers/blobs_resolver.rb @@ -0,0 +1,37 @@ +# frozen_string_literal: true + +module Resolvers + class BlobsResolver < BaseResolver + include Gitlab::Graphql::Authorize::AuthorizeResource + + type Types::Tree::BlobType.connection_type, null: true + authorize :download_code + calls_gitaly! + + alias_method :repository, :object + + argument :paths, [GraphQL::STRING_TYPE], + required: true, + description: 'Array of desired blob paths.' + argument :ref, GraphQL::STRING_TYPE, + required: false, + default_value: nil, + description: 'The commit ref to get the blobs from. Default value is HEAD.' + + # We fetch blobs from Gitaly efficiently but it still scales O(N) with the + # number of paths being fetched, so apply a scaling limit to that. + def self.resolver_complexity(args, child_complexity:) + super + (args[:paths] || []).size + end + + def resolve(paths:, ref:) + authorize!(repository.container) + + return [] if repository.empty? + + ref ||= repository.root_ref + + repository.blobs_at(paths.map { |path| [ref, path] }) + end + end +end |