Module: Air18n::Metrics

Defined in:
lib/air18n/metrics.rb

Constant Summary collapse

TARGET_PRIORITY_PHRASE_TRANSLATION_PERCENT = 
98

Class Method Summary collapse

Class Method Details

.metrics_suite ⇒ Object

Computes translation progress for all pages, then translator progress for all translators in each locale.



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# File 'lib/air18n/metrics.rb', line 229

def self.metrics_suite
  p = translation_progress(nil)
  p.each do |locale, info|
    info[:translator_progress] = {}
    info[:translators].each do |user_id|
      info[:translator_progress][user_id] = translator_progress(locale, user_id)
    end
  end

  t = time_to_first_translation()
  t.each do |locale, info|
    p[locale].merge!(info)
  end

  p
end

.recent_work(locale, user_id) ⇒ Object

Returns scope for searching for most recent PhraseTranslations of a translator.



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# File 'lib/air18n/metrics.rb', line 248

def self.recent_work(locale, user_id)
  scope = Air18n::PhraseTranslation
  scope = scope.order('`phrase_translations`.`created_at` DESC')
  scope.includes(:phrase_revision)
  if user_id.present?
    scope = scope.where(:user_id => user_id)
  end
  if locale.present?
    scope = scope.where(:locale => locale)
  end
  scope
end

.time_to_first_translation ⇒ Object 



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# File 'lib/air18n/metrics.rb', line 5

def self.time_to_first_translation
  # First we get all phrases created in the last 28 days and one of their
  # translations (leaving out verifications).
  #
  # Then we look at the difference between the phrase's created_at and the
  # phrase translation's created_at and return the average per language

  search_scope = Air18n::Phrase.still_used
  search_scope = search_scope.select(
    '`phrases`.`id`, `phrases`.`key`, `phrases`.`created_at`, ' +
    '`phrase_translations`.`locale` AS latest_translation_locale, ' +
    '`phrase_translations`.`user_id` AS latest_translation_user_id, ' +
    '`phrase_translations`.`created_at` AS latest_translation_created_at'
  )
  search_scope = search_scope.where('`phrases`.`created_at` >= ?', 28.days.ago)
  search_scope = search_scope.pull_in_all_historic_phrase_translations
  search_scope = search_scope.where('`phrase_translations`.`is_verification` = ?', false)
  search_scope = search_scope.group('`phrases`.`id`, `phrase_translations`.`phrase_id`, `latest_translation_locale`')

  phrases_and_translations = search_scope.all

  progress = {}

  locale_to_translations = phrases_and_translations.group_by do |phrase_and_translation|
    phrase_and_translation.latest_translation_locale
  end
  locale_to_translations.each do |locale, phrases_and_translations_for_locale|
    if locale.present?
      locale = locale.to_sym
      progress[locale] ||= {}
      elapsed_times = []
      phrases_and_translations_for_locale.each do |phrase_and_translation|
        phrase_created_at = phrase_and_translation.created_at
        translated_at = phrase_and_translation.latest_translation_created_at
        if translated_at.is_a?(String)
          translated_at = Time.parse(translated_at)
        end
        seconds_passed = (translated_at - phrase_created_at).to_i

        elapsed_times << seconds_passed
      end

      progress[locale][:average_seconds_to_first_translation] = (elapsed_times.inject(:+).to_f / elapsed_times.size).round
    end
  end

  progress
end

.translation_progress(page_ids) ⇒ Object 



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# File 'lib/air18n/metrics.rb', line 54

def self.translation_progress(page_ids)
  search_scope = Air18n::Phrase.still_used
  search_scope = search_scope.select(
    '`phrases`.`id`, `phrases`.`key`, `phrases`.`created_at`, ' +
    '`phrase_translations`.`locale` AS latest_translation_locale, ' +
    '`phrase_translations`.`user_id` AS latest_translation_user_id, ' +
    '`phrase_translations`.`created_at` AS latest_translation_created_at, ' +
    '`phrase_translations`.`is_stale` AS latest_translation_is_stale, ' +
    '`phrase_translations`.`is_verification` AS latest_translation_is_verification'
  )
  search_scope = search_scope.pull_in_all_up_to_date_phrase_translations
  search_scope = search_scope.group('`phrases`.`id`, `phrase_translations`.`phrase_id`, `latest_translation_locale`')

  if page_ids.present?
    search_scope = search_scope.joins(:phrase_screenshots)
    conditions = page_ids.map do |page_id|
      controller_action = Air18n::PhraseScreenshot.deserialize_page_id(page_id)
      "(phrase_screenshots.controller = '#{controller_action.controller}' AND phrase_screenshots.action = '#{controller_action.action}')"
    end
    search_scope = search_scope.where(conditions.join(' OR '))
  end

  progress = {}

  phrases_and_translations = search_scope.all

  # This block is useful for debugging.
  if false
    LoggingHelper.info "Phrases and translations:"
    phrases_and_translations.each do |thing|
      LoggingHelper.info "key #{thing.key} locale #{thing.latest_translation_locale} user #{thing.latest_translation_user_id} at #{thing.latest_translation_created_at} stale? #{thing.latest_translation_is_stale} verified? #{thing.latest_translation_is_verification}"
    end
  end

  priority_keys = phrases_and_translations.map { |phrase_and_translation| phrase_and_translation.key }.uniq
  number_of_priority_phrases = priority_keys.size
  number_of_priority_words = priority_keys.map { |k| word_counts[k] }.sum
  locale_to_translations = phrases_and_translations.group_by do |phrase_and_translation|
    phrase_and_translation.latest_translation_locale
  end
  locale_to_translations.each do |locale, phrases_and_translations_for_locale|
    if locale.present?
      locale = locale.to_sym
      progress[locale] ||= {}
      phrases_with_translations_for_locale = phrases_and_translations_for_locale.find_all do |phrase_and_translation|
        phrase_and_translation.latest_translation_user_id
      end
      phrases_with_verifications_for_locale = phrases_with_translations_for_locale.find_all do |phrase_and_translation|
        true_value?(phrase_and_translation.latest_translation_is_verification)
      end

      words_with_translations_for_locale = phrases_with_translations_for_locale.map { |p| word_counts[p.key] }.sum
      words_with_verifications_for_locale = phrases_with_verifications_for_locale.map { |p| word_counts[p.key] }.sum
      progress[locale][:phrases] = number_of_priority_phrases
      progress[locale][:words] = number_of_priority_words

      progress[locale][:phrases_translated] = phrases_with_translations_for_locale.size
      progress[locale][:words_translated] = words_with_translations_for_locale

      progress[locale][:phrases_verified] = phrases_with_verifications_for_locale.size
      progress[locale][:words_verified] = words_with_verifications_for_locale

      phrases_translated_in_last_day = phrases_with_translations_for_locale.find_all { |phrase_and_translation| since?(phrase_and_translation.latest_translation_created_at, 1.day.ago) }
      phrases_translated_in_last_week = phrases_with_translations_for_locale.find_all { |phrase_and_translation| since?(phrase_and_translation.latest_translation_created_at, 1.week.ago) }
      progress[locale][:phrases_translated_in_last_day] = phrases_translated_in_last_day.size
      progress[locale][:words_translated_in_last_day] = phrases_translated_in_last_day.map { |p| word_counts[p.key] }.sum
      progress[locale][:phrases_translated_in_last_week] = phrases_translated_in_last_week.size
      progress[locale][:words_translated_in_last_week] = phrases_translated_in_last_week.map { |p| word_counts[p.key] }.sum

      progress[locale][:phrases_translated_percent] = (100 * progress[locale][:phrases_translated].to_f / progress[locale][:phrases]).round
      progress[locale][:words_translated_percent] = (100 * progress[locale][:words_translated].to_f / progress[locale][:words]).round
      progress[locale][:phrases_verified_percent] = (100 * progress[locale][:phrases_verified].to_f / progress[locale][:phrases]).round
      progress[locale][:words_verified_percent] = (100 * progress[locale][:words_verified].to_f / progress[locale][:words]).round
      if progress[locale][:phrases_translated_percent] >= TARGET_PRIORITY_PHRASE_TRANSLATION_PERCENT
        progress[locale][:phrases_progress] = :good
      elsif progress[locale][:phrases_translated_in_last_day] < 50
        progress[locale][:phrases_progress] = :bad
      else
        progress[locale][:phrases_progress] = :okay
      end

      progress[locale][:phrases_remaining_to_translate] = progress[locale][:phrases] - progress[locale][:phrases_translated]
      progress[locale][:words_remaining_to_translate] = progress[locale][:words] - progress[locale][:words_translated]

      progress[locale][:phrases_remaining_to_verify] = progress[locale][:phrases] - progress[locale][:phrases_verified]
      progress[locale][:words_remaining_to_verify] = progress[locale][:words] - progress[locale][:words_verified]

      progress[locale][:translators] =
        phrases_with_translations_for_locale.inject(Set.new) do |carry, value|
          if since?(value.latest_translation_created_at, 28.days.ago)
            carry.add(value.latest_translation_user_id)
          end
          carry
        end
      progress[locale][:number_of_nonautomatic_translators] =
        if progress[locale][:translators].include?(0)
          progress[locale][:translators].size - 1
        else
          progress[locale][:translators].size
        end
    end
  end

  progress
end

.translator_progress(locale, user_id) ⇒ Object 



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# File 'lib/air18n/metrics.rb', line 160

def self.translator_progress(locale, user_id)
  scope = PhraseTranslation.where(:locale => locale).where(:user_id => user_id)
  scope = scope.where('created_at >= ?', 28.days.ago)
  scope = scope.group(:phrase_id, :source_hash)
  scope.select("`id`, `key`, `source_word_count`")

  words_translated_last_month = 0
  words_translated_last_week = 0
  words_verified_last_month = 0
  words_verified_last_week = 0
  phrases_translated_last_month = 0
  number_of_later_modified_phrases_last_month = 0
  phrases_translated = {}
  scope.find_each do |pt|
    if pt.created_at >= 1.week.ago
      if pt.is_verification?
        words_verified_last_week += pt.source_word_count
      else
        words_translated_last_week += pt.source_word_count
      end
    end

    if pt.is_verification?
      words_verified_last_month += pt.source_word_count
    else
      words_translated_last_month += pt.source_word_count
    end

    if !pt.is_verification?
      later_modifications = PhraseTranslation.
        where(:locale => pt.locale).
        where(:phrase_id => pt.phrase_id).
        where(:source_hash => pt.source_hash).
        where('`phrase_translations`.id > ?', pt.id).
        where('user_id != ?', pt.user_id).
        where('payment_details NOT LIKE ?', '{"v3":{"t":0,%').
        count
      if later_modifications > 0
        number_of_later_modified_phrases_last_month += 1
      end
      phrases_translated_last_month += 1
    end
  end

  daily_average = (words_translated_last_month + words_verified_last_month) / 28
  later_modified_percent =
    if phrases_translated_last_month == 0
      0
    else
      (100.0 * number_of_later_modified_phrases_last_month.to_f / phrases_translated_last_month).round
    end
  classification = words_translated_last_month > words_verified_last_month ? :translator : :verifier

  {
    :user_id => user_id,
    :classification => classification,
    :phrases_translated_last_month => phrases_translated_last_month,
    :words_translated_last_month => words_translated_last_month,
    :words_translated_last_week => words_translated_last_week,
    :words_verified_last_month => words_verified_last_month,
    :words_verified_last_week => words_verified_last_week,
    :daily_average => daily_average,
    :number_of_later_modified_phrases_last_month => number_of_later_modified_phrases_last_month,
    :later_modified_percent => later_modified_percent
  }
end