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# frozen_string_literal: true
module Gitlab
module MetricsDashboard
module Stages
class BaseStage
DashboardLayoutError = Class.new(StandardError)
DEFAULT_PANEL_TYPE = 'area-chart'
attr_reader :project, :environment
def initialize(project, environment)
@project = project
@environment = environment
end
# Entry-point to the stage
# @param dashboard [Hash]
# @param project [Project]
# @param environment [Environment]
def transform!(_dashboard)
raise NotImplementedError
end
protected
def missing_panel_groups!
raise DashboardLayoutError.new('Top-level key :panel_groups must be an array')
end
def missing_panels!
raise DashboardLayoutError.new('Each "panel_group" must define an array :panels')
end
def missing_metrics!
raise DashboardLayoutError.new('Each "panel" must define an array :metrics')
end
def for_metrics(dashboard)
missing_panel_groups! unless dashboard[:panel_groups].is_a?(Array)
dashboard[:panel_groups].each do |panel_group|
missing_panels! unless panel_group[:panels].is_a?(Array)
panel_group[:panels].each do |panel|
missing_metrics! unless panel[:metrics].is_a?(Array)
panel[:metrics].each do |metric|
yield metric
end
end
end
end
end
end
end
end
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