Class: Sentiero::Analytics::StatsAggregator::ResultBuilder

Inherits:
Object
  • Object
show all
Includes:
Events, Sentiero::Analytics::Stats
Defined in:
lib/sentiero/analytics/stats_aggregator/result_builder.rb

Overview

Pure presentation layer: turns a finished Accumulator into the aggregate's public result hash. Needs the store only for the two problem lookups (open_problems count and the top_problems list).

Constant Summary

Constants included from Events

Events::CUSTOM, Events::INCREMENTAL, Events::META, Events::SOURCE_INPUT, Events::SOURCE_MOUSE_INTERACTION, Events::SOURCE_SCROLL

Instance Method Summary collapse

Methods included from Sentiero::Analytics::Stats

#mean, #offset_ms, #percentile, #top_counts

Constructor Details

#initialize(store) ⇒ ResultBuilder

Returns a new instance of ResultBuilder.



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# File 'lib/sentiero/analytics/stats_aggregator/result_builder.rb', line 13

def initialize(store)
  @store = store
end

Instance Method Details

#build(acc, sessions_scanned, scan_cap, server_overlay_truncated) ⇒ Object 



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# File 'lib/sentiero/analytics/stats_aggregator/result_builder.rb', line 17

def build(acc, sessions_scanned, scan_cap, server_overlay_truncated)
  open_problems = store.list_problems(project: nil, limit: 10_000, status: "open")
  groups, series_bucket = bucket_groups(acc)
  series = groups.map { |label, dates| series_entry(acc, label, dates) }
  custom_event_tags = top_tags(acc.custom_tags.tags)

  {
    total_sessions: sessions_scanned,
    total_events: acc.total_events,
    sessions_scanned: sessions_scanned,
    avg_duration_ms: average(acc.durations),
    open_problems: open_problems.size,
    top_problems: top_problems(open_problems, acc.since),
    sessions_with_errors: acc.sessions_with_errors,
    event_type_breakdown: event_type_breakdown(acc.event_types),
    browser_distribution: sort_by_count(acc.browsers),
    device_distribution: sort_by_count(acc.devices),
    top_entry_pages: top_entry_pages(acc),
    top_referrers: top_list(acc.referrers, :referrer, StatsAggregator::TOP_LIST_LIMIT),
    session_duration_buckets: acc.duration_buckets,
    custom_event_tags: custom_event_tags,
    custom_event_tag_series: tag_series(acc, custom_event_tags, groups),
    browser_event_tags: acc.browser_tags,
    navigation: {
      internal: top_list(acc.nav_internal, :url, StatsAggregator::TOP_LIST_LIMIT),
      external: top_list(acc.nav_external, :url, StatsAggregator::TOP_LIST_LIMIT),
      top_texts: top_list(acc.nav_texts, :text, StatsAggregator::TOP_LIST_LIMIT)
    },
    metadata_distributions: metadata_distributions(acc),
    events_per_day_series: series,
    series_bucket: series_bucket,
    # True when a cap was hit: server_error_count values are then a lower bound.
    server_overlay_truncated: server_overlay_truncated,
    # Effective bounds (unbounded "until" resolves to now) for period-over-period.
    window_since: acc.since,
    window_until: acc.until_time || Time.now.to_f,
    was_truncated: sessions_scanned >= scan_cap
  }
end