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# frozen_string_literal: true
# Responsible for determining which dashboard service should
# be used to fetch or generate a dashboard hash.
# The services can be considered in two categories - embeds
# and dashboards. Embeds are all portions of dashboards.
module Gitlab
module Metrics
module Dashboard
class ServiceSelector
SERVICES = ::Metrics::Dashboard
class << self
include Gitlab::Utils::StrongMemoize
# Returns a class which inherits from the BaseService
# class that can be used to obtain a dashboard.
# @return [Gitlab::Metrics::Dashboard::Services::BaseService]
def call(params)
return SERVICES::CustomMetricEmbedService if custom_metric_embed?(params)
return SERVICES::DynamicEmbedService if dynamic_embed?(params)
return SERVICES::DefaultEmbedService if params[:embedded]
return SERVICES::SystemDashboardService if system_dashboard?(params[:dashboard_path])
return SERVICES::ProjectDashboardService if params[:dashboard_path]
default_service
end
private
def default_service
SERVICES::SystemDashboardService
end
def system_dashboard?(filepath)
SERVICES::SystemDashboardService.system_dashboard?(filepath)
end
def custom_metric_embed?(params)
SERVICES::CustomMetricEmbedService.valid_params?(params)
end
def dynamic_embed?(params)
SERVICES::DynamicEmbedService.valid_params?(params)
end
end
end
end
end
end
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