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module TrendsHelper
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include CommonParametersHelper
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def trend_chart name, title, subtitle, data, options = {}
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content_tag(:div, nil,
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{ :id => name,
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:class => 'trend_chart',
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:'chart-name' => name,
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:'chart-title' => title,
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:'chart-subtitle' => subtitle,
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:'chart-data-hostcount' => data.to_a.to_json
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}.merge(options))
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end
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def trendable_types new_record
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options = {'Environment' => 'Environment', 'Operating System' => 'Operatingsystem',
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'Model' => 'Model', 'Facts' =>'FactName','Host Group' => 'Hostgroup', 'Compute Resource' => 'ComputeResource'}
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if new_record
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existing = ForemanTrend.includes(:trendable).types.map(&:to_s)
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options.delete_if{ |k,v| existing.include?(v) }
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end
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options
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end
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def trend_days_filter
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form_tag @trend, :id => 'days_filter', :method => :get, :class=>"form form-inline" do
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content_tag(:span, "Trend of the last ") +
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select(nil, 'range', 1..30, {:selected => range}, {:class=>"span1", :onchange =>"$('#days_filter').submit();$(this).disabled();"}) +
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content_tag(:span, " days.")
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end
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end
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def trend_title trend
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if trend.fact_value.blank?
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trend.to_label
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else
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"#{trend.type_name} - #{trend.to_label}"
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end
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end
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def chart_data trend, from = 30.day.ago, to = Time.now
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values = trend.values
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labels = {}
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values.includes(:trendable).each {|v| labels[v.id] = v.to_label}
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values.includes(:trend_counters).where(["trend_counters.created_at > ?", from]).order("trend_counters.created_at").map do |value|
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data = value.trend_counters.map { |t| [t.created_at.to_i*1000, t.count] }
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{:name => labels[value.id], :data =>data } unless data.empty?
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end.compact
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end
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def range
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params["range"].empty? ? 30 : params["range"].to_i
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end
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end
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