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# frozen_string_literal: true
module Keeps
module Helpers
class Groups
GROUPS_JSON_URL = "https://about.gitlab.com/groups.json"
Error = Class.new(StandardError)
def group_for_feature_category(category)
return unless category
groups.find do |_, group|
group['categories'].present? && group['categories'].include?(category)
end&.last
end
def group_for_group_label(group_label)
groups.find do |_, group|
group['label'] == group_label
end&.last
end
def pick_reviewer(group, identifiers)
return unless group
return if group['backend_engineers'].empty?
# Use the change identifiers as a stable way to pick the same reviewer. Otherwise we'd assign a new reviewer
# every time we re-ran housekeeper.
random_engineer = Digest::SHA256.hexdigest(identifiers.join).to_i(16) % group['backend_engineers'].size
group['backend_engineers'][random_engineer]
end
def pick_reviewer_for_feature_category(category, identifiers, fallback_feature_category: nil)
pick_reviewer(
group_for_feature_category(category),
identifiers
) || pick_reviewer(
group_for_feature_category(fallback_feature_category),
identifiers
)
end
def labels_for_feature_category(category)
Array(
group_for_feature_category(category)&.dig('label')
)
end
private
def groups
@groups ||= fetch_groups
end
def fetch_groups
@groups_json ||= begin
response = Gitlab::HTTP_V2.get(GROUPS_JSON_URL)
unless (200..299).cover?(response.code)
raise Error,
"Failed to get group information with response code: #{response.code} and body:\n#{response.body}"
end
JSON.parse(response.body) # rubocop:disable Gitlab/Json -- We don't rely on GitLab internal classes
end
end
end
end
end
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