gitlab-org--gitlab-foss/app/graphql/resolvers/paginated_tree_resolver.rb

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# frozen_string_literal: true
module Resolvers
class PaginatedTreeResolver < BaseResolver
type Types::Tree::TreeType.connection_type, null: true
extension Gitlab::Graphql::Extensions::ExternallyPaginatedArrayExtension
calls_gitaly!
argument :path, GraphQL::Types::String,
required: false,
default_value: '', # root of the repository
description: 'Path to get the tree for. Default value is the root of the repository.'
argument :recursive, GraphQL::Types::Boolean,
required: false,
default_value: false,
description: 'Used to get a recursive tree. Default is false.'
argument :ref, GraphQL::Types::String,
required: false,
default_value: :head,
description: 'Commit ref to get the tree for. Default value is HEAD.'
alias_method :repository, :object
def resolve(**args)
return unless repository.exists?
cursor = args.delete(:after)
pagination_params = {
limit: @field.max_page_size || 100,
page_token: cursor
}
tree = repository.tree(args[:ref], args[:path], recursive: args[:recursive], pagination_params: pagination_params)
next_cursor = tree.cursor&.next_cursor
Gitlab::Graphql::ExternallyPaginatedArray.new(cursor, next_cursor, *tree)
rescue Gitlab::Git::CommandError => e
raise Gitlab::Graphql::Errors::ArgumentError, e
end
def self.field_options
super.merge(connection: false) # we manage the pagination manually, so opt out of the connection field extension
end
end
end