Module: PredictabilityEngine::VegaVisualizer::AgingWipVisualizer

Defined in:
lib/predictability_engine/vega_visualizer/aging_wip_visualizer.rb

Class Method Summary collapse

Class Method Details

.aging_bar_layer ⇒ Object 



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# File 'lib/predictability_engine/vega_visualizer/aging_wip_visualizer.rb', line 20

def self.aging_bar_layer
  { mark: { type: 'bar', stroke: 'white', strokeWidth: 0.2 },
    encoding: { x: { field: 'id', type: 'nominal', title: 'Work Item ID', sort: '-y',
                     axis: VegaVisualizer::LABEL_AXIS },
                y: VegaVisualizer.quantitative_y_axis('age', title: 'Age (days)'),
                color: { field: 'age', type: 'quantitative', scale: { scheme: 'yelloworangered' },
                         legend: { orient: 'bottom', title: 'Age' } },
                **VegaVisualizer.item_href_and_tooltip(
                  [{ field: 'age', type: 'quantitative', title: 'Age (days)' }]
                ) } }
end

.aging_rule_layers(mapped_pcts) ⇒ Object 



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# File 'lib/predictability_engine/vega_visualizer/aging_wip_visualizer.rb', line 32

def self.aging_rule_layers(mapped_pcts)
  mapped_pcts.map do |p|
    { data: { values: [{ val: p[:val], label: p[:label] }] },
      mark: { type: 'rule', strokeDash: [4, 4] },
      encoding: { y: VegaVisualizer.quantitative_y_axis('val', title: 'Age (days)'),
                  color: { value: '#e45756' },
                  tooltip: [{ field: 'label', type: 'nominal', title: 'Percentile' },
                            { field: 'val', type: 'quantitative', title: 'Age (days)' }] } }
  end
end

.aging_wip(items, title: 'Aging Work In Progress', pcts: PredictabilityEngine::DEFAULT_PERCENTILES) ⇒ Object 



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# File 'lib/predictability_engine/vega_visualizer/aging_wip_visualizer.rb', line 6

def self.aging_wip(items, title: 'Aging Work In Progress',
                   pcts: PredictabilityEngine::DEFAULT_PERCENTILES, **)
  raw = Calculators::Aging.item_age_data(items)
  return Vega.lite.data([]).title(title || 'Aging Work In Progress') if raw.empty?

  data = raw.map { |row| row.merge(title_display: VegaVisualizer.wrap_tooltip_title(row[:title].to_s)) }
  mapped = PredictabilityEngine.mapped_percentiles(items, pcts)
  VegaVisualizer.apply_standard_dims(
    Vega.lite.data(data)
        .layer([aging_bar_layer, *aging_rule_layers(mapped)]),
    title: title
  )
end