Class: Crawlscope::ServerTiming::Summary

Inherits:
Object
  • Object
show all
Defined in:
lib/crawlscope/server_timing/summary.rb

Constant Summary collapse

WORST_PAGE_LIMIT = 
10

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pages) ⇒ Summary

Returns a new instance of Summary.



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# File 'lib/crawlscope/server_timing/summary.rb', line 10

def initialize(pages)
  @pages = pages
  @timings = pages.filter_map do |page|
    timing = page.server_timing
    [page, timing] if timing.present?
  end
end

Instance Attribute Details

#pages ⇒ Object (readonly)

Returns the value of attribute pages.



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# File 'lib/crawlscope/server_timing/summary.rb', line 8

def pages
  @pages
end

Instance Method Details

#coverage ⇒ Object 



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# File 'lib/crawlscope/server_timing/summary.rb', line 52

def coverage
  @timings.size
end

#duration_pages ⇒ Object 



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# File 'lib/crawlscope/server_timing/summary.rb', line 22

def duration_pages
  @timings.count { |_page, timing| timing.any?(&:timed?) }
end

#invalid_count ⇒ Object 



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# File 'lib/crawlscope/server_timing/summary.rb', line 26

def invalid_count
  @timings.sum { |_page, timing| timing.invalid_count }
end

#metrics ⇒ Object 



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# File 'lib/crawlscope/server_timing/summary.rb', line 30

def metrics
  timed_metrics
    .group_by { |_page, metric| [metric.name, metric.description] }
    .map { |(name, description), samples| metric_summary(name, description, samples) }
    .sort_by { |metric| [-metric[:p95], -metric[:maximum], metric[:name]] }
end

#present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/crawlscope/server_timing/summary.rb', line 18

def present?
  @timings.any?
end

#signals ⇒ Object 



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# File 'lib/crawlscope/server_timing/summary.rb', line 37

def signals
  all_metrics
    .reject { |_page, metric| metric.timed? }
    .group_by { |_page, metric| [metric.name, metric.description] }
    .map { |(name, description), samples| signal_summary(name, description, samples) }
    .sort_by { |signal| [-signal[:samples], signal[:name], signal[:description].to_s] }
end

#worst_pages(limit: WORST_PAGE_LIMIT) ⇒ Object 



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# File 'lib/crawlscope/server_timing/summary.rb', line 45

def worst_pages(limit: WORST_PAGE_LIMIT)
  @timings
    .filter_map { |page, timing| worst_metric(page, timing) }
    .min_by(limit) { |sample| [-sample[:metric].duration, sample[:page].url] }
    .sort_by { |sample| [-sample[:metric].duration, sample[:page].url] }
end