Class: Sentiero::Analytics::Segmenter

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

Overview

Filters sessions on read by browser/device/URL/metadata/has-errors/duration (AND-combined), scanning up to the store's limits.analytics_max_scan_sessions.

Constant Summary

Constants included from Events

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

Instance Attribute Summary

Attributes inherited from Analyzer

#store

Instance Method Summary collapse

Methods included from EntryAttribution

#earlier?, #first_meta_href, #same_origin?, #update_entry_candidate

Methods included from Bounded

#bounded_fetch, #bounded_increment

Methods included from Stats

#mean, #offset_ms, #percentile, #top_counts

Constructor Details

#initialize(store = Sentiero.store, browser: nil, device: nil, url_pattern: nil, metadata_key: nil, metadata_value: nil, metadata_match: "exact", has_errors: false, min_duration_ms: nil, max_duration_ms: nil, since: nil, until_time: nil) ⇒ Segmenter

Returns a new instance of Segmenter.



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# File 'lib/sentiero/analytics/segmenter.rb', line 11

def initialize(
  store = Sentiero.store,
  browser: nil,
  device: nil,
  url_pattern: nil,
  metadata_key: nil,
  metadata_value: nil,
  metadata_match: "exact",
  has_errors: false,
  min_duration_ms: nil,
  max_duration_ms: nil,
  since: nil,
  until_time: nil
)
  super(store)
  @browser = presence(browser)
  @device = presence(device)
  @url_pattern = presence(url_pattern)
  @metadata_key = presence(metadata_key)
  @metadata_value = presence(metadata_value)
  @metadata_match = (metadata_match == "contains") ? "contains" : "exact"
  @has_errors = has_errors
  @min_duration_ms = min_duration_ms
  @max_duration_ms = max_duration_ms
  @since = since
  @until_time = until_time
end

Instance Method Details

#matching(limit: 20, offset: 0) ⇒ Object 



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# File 'lib/sentiero/analytics/segmenter.rb', line 39

def matching(limit: 20, offset: 0)
  scan_cap = store.limits.analytics_max_scan_sessions

  scanned = store.list_sessions(limit: scan_cap, offset: 0, since: @since, until_time: @until_time)
  matches = scanned.select { |summary| match?(summary) }

  page = matches.slice(offset, limit + 1) || []
  has_next = page.size > limit

  {
    sessions: page.first(limit),
    has_next: has_next,
    was_truncated: scanned.size >= scan_cap
  }
end