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# frozen_string_literal: true
module Resolvers
class ProjectMergeRequestsResolver < MergeRequestsResolver
type ::Types::MergeRequestType.connection_type, null: true
accept_assignee
accept_author
accept_reviewer
def resolve(**args)
scope = super
if only_count_is_selected_with_merged_at_filter?(args) && Feature.enabled?(:optimized_merge_request_count_with_merged_at_filter, default_enabled: :yaml)
MergeRequest::MetricsFinder
.new(current_user, args.merge(target_project: project))
.execute
else
scope
end
end
def only_count_is_selected_with_merged_at_filter?(args)
return unless lookahead
argument_names = args.compact.except(:lookahead, :sort, :merged_before, :merged_after).keys
# no extra filtering arguments are provided
return unless argument_names.empty?
return unless args[:merged_after] || args[:merged_before]
# Detecting a specific query pattern:
# mergeRequests(mergedAfter: "X", mergedBefore: "Y") {
# count
# totalTimeToMerge
# }
allowed_selected_fields = [:count, :total_time_to_merge]
selected_fields = lookahead.selections.map(&:field).map(&:original_name) - [:__typename] # ignore __typename meta field
# only the allowed_selected_fields are present
(selected_fields - allowed_selected_fields).empty?
end
end
end
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