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# frozen_string_literal: true
# Responsible for returning a filtered project dashboard
# containing only the request-provided metrics. The result
# is then cached for future requests. Metrics are identified
# based on a combination of identifiers for now, but the ideal
# would be similar to the approach in DefaultEmbedService, but
# a single unique identifier is not currently available across
# all metric types (custom, project-defined, cluster, or system).
#
# Use Gitlab::Metrics::Dashboard::Finder to retrive dashboards.
module Metrics
module Dashboard
class DynamicEmbedService < ::Metrics::Dashboard::BaseEmbedService
include Gitlab::Utils::StrongMemoize
# Returns a new dashboard with only the matching
# metrics from the system dashboard, stripped of groups.
# @return [Hash]
def get_raw_dashboard
not_found! if panels.empty?
{ 'panel_groups' => [{ 'panels' => panels }] }
end
private
def panels
strong_memoize(:panels) do
not_found! unless base_dashboard
not_found! unless groups = base_dashboard['panel_groups']
not_found! unless matching_group = find_group(groups)
not_found! unless all_panels = matching_group['panels']
find_panels(all_panels)
end
end
def base_dashboard
strong_memoize(:base_dashboard) do
Gitlab::Metrics::Dashboard::Finder.find_raw(project, dashboard_path: dashboard_path)
end
end
def find_group(groups)
groups.find do |candidate_group|
candidate_group['group'] == group
end
end
def find_panels(all_panels)
all_panels.select do |panel|
panel['title'] == title && panel['y_label'] == y_label
end
end
def not_found!
panels_not_found!(identifiers)
end
end
end
end
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