Class: Sentiero::Analytics::ProblemDetail

Inherits:
Object
  • Object
show all
Defined in:
lib/sentiero/analytics/problem_detail.rb

Overview

Aggregations for the problem detail page: facet distributions over the already-fetched occurrences/session summaries, and the occurrence trend. The trend's rolling counts query the store (count_occurrences); the facets and the sparkline buckets are computed purely from the passed-in rows.

Constant Summary collapse

FACET_LIMIT =

Rows shown per facet group on the problem detail page.

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TREND_DAYS =

Day buckets in the problem-detail occurrence sparkline.

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Instance Method Summary collapse

Constructor Details

#initialize(store) ⇒ ProblemDetail

Returns a new instance of ProblemDetail.



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# File 'lib/sentiero/analytics/problem_detail.rb', line 18

def initialize(store)
  @store = store
end

Instance Method Details

#facets(occurrences, session_summaries) ⇒ Object 



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# File 'lib/sentiero/analytics/problem_detail.rb', line 22

def facets(occurrences, session_summaries)
  paths = Hash.new(0)
  environments = Hash.new(0)
  releases = {}
  browsers = Hash.new(0)

  occurrences.each do |occ|
    ctx = occ["context"]
    next unless ctx.is_a?(Hash)
    tally_facet(paths, ctx.dig("request", "path"))
    tally_facet(environments, ctx["environment"])
    tally_release(releases, ctx["release"], occ["timestamp"])
  end

  session_summaries.each { |s| tally_facet(browsers, s[:browser]) }

  {
    paths: top_facet(paths),
    environments: top_facet(environments),
    releases: releases.sort_by { |_release, info| -info[:count] }.first(FACET_LIMIT),
    browsers: top_facet(browsers),
    sample_size: occurrences.size
  }
end

#trend(problem_id, occurrences) ⇒ Object

The 24h/7d/30d header counts are exact (count_occurrences after:); the sparkline buckets the already-fetched occurrences by UTC day, labeled with its sample size.



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# File 'lib/sentiero/analytics/problem_detail.rb', line 50

def trend(problem_id, occurrences)
  now = Time.now.to_f
  per_day = Hash.new(0)
  occurrences.each do |occ|
    ts = occ["timestamp"]&.to_f
    next unless ts && ts > 0
    per_day[Time.at(ts).utc.to_date.to_s] += 1
  end

  end_date = Time.now.utc.to_date
  series = ((end_date - (TREND_DAYS - 1))..end_date).map do |date|
    {date: date.to_s, count: per_day[date.to_s]}
  end

  {
    series: series,
    sample_size: occurrences.size,
    last_24h: occurrence_count_after(problem_id, now - 86_400),
    last_7d: occurrence_count_after(problem_id, now - 7 * 86_400),
    last_30d: occurrence_count_after(problem_id, now - TREND_DAYS * 86_400)
  }
end