Class: Html2rss::LinkDestination::PathClassifier

Inherits:
Object
  • Object
show all
Defined in:
lib/html2rss/link_destination/path_classifier.rb

Overview

Classifies normalized destination path segments for scoring.

Constant Summary collapse

SOFT_UTILITY =

Soft utility segments excluded from high-confidence junk (still utility_path).

%w[
  for-you join member members membership newsletter newsletters
  plans plus premium pricing recommended
].to_set.freeze
SEGMENT_SETS =

Segment groups used to classify article, taxonomy, utility, and vanity routes.

begin
  content = %w[
    article articles blog blogs changelog changelogs insight insights
    launch launches news post posts release releases story stories update updates
    artikel beitrag beitraege nachrichten neuigkeiten aktuelles
    articulo articulos noticia noticias entrada entradas publicacion publicaciones
    actualite actualites nouvelle nouvelles teaser teasers card cards
  ].to_set.freeze
  taxonomy = %w[
    category categories tag tags topic topics
    kategorie kategorien schlagwort schlagworte thema themen
    categoria categorias etiqueta etiquetas tema temas
    categorie etiquette etiquettes sujet sujets theme themes
  ].to_set.freeze
  vanity = %w[
    join membership plus premium pricing plans subscribe signup
    abonnieren abo suscribirse boletin s-abonner saboner
  ].to_set.freeze
  utility = (
    taxonomy.to_a + %w[
      about account archive archives author authors comment comments
      contact feedback help login logout notification notifications
      preference preferences profile register search settings share signup subscribe
      feed feeds comment-feed comments-feed privacy terms cookie cookies user users
      kategorie kategorien schlagwort schlagworte thema themen autor autoren archiv
      ueber-uns ueber ueberuns profil kontakt impressum suche hilfe anmelden registrieren
      konto registrierung anmeldung abonnieren abo datenschutz nutzungsbedingungen agb
      categoria categorias etiqueta etiquetas tema temas autores archivos
      sobre-nosotros sobre quienes-somos buscar busqueda ayuda entrar ingresar
      registrarse registro cuenta suscribirse boletin privacidad condiciones
      categorie etiquette etiquettes sujet sujets theme themes auteur auteurs
      a-propos apropos recherche rechercher aide connexion s-inscrire
      sinscrire inscription compte s-abonner saboner lettre-information confidentialite
      mentions-legales cgu menu sidebar widget social modal popup banner promo ad ads
      related recommendation recommendations pagination pager
    ] + SOFT_UTILITY.to_a
  ).to_set.freeze
  {
    content:,
    utility:,
    high_confidence_junk: (utility - SOFT_UTILITY).freeze,
    taxonomy:,
    vanity:,
    deep_post_context: %w[press newsroom presse pressemitteilungen prensa].to_set.freeze
  }.freeze
end
YEARISH_SEGMENT =

Path segment that begins with a year-like publishing marker.

/\A\d{4,}[\w-]*\z/
POST_SLUG_SEGMENT =

Hyphenated slug shape common to article permalinks.

/\A[a-z0-9]+(?:-[a-z0-9]+){2,}\z/i

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(segments) ⇒ PathClassifier

Returns a new instance of PathClassifier.

Parameters:

  • segments (Array<String>) —

    normalized URL path segments



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 68

def initialize(segments)
  @segments = segments
end

Instance Attribute Details

#segments ⇒ Object (readonly)

rubocop:disable Metrics/ClassLength



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 7

def segments
  @segments
end

Instance Method Details

#content_path? ⇒ Boolean

Returns true when the route has article-like path evidence.

Returns:

  • (Boolean) —

    true when the route has article-like path evidence



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 73

def content_path?
  @content_path ||= SEGMENT_SETS[:content].intersect?(segments) ||
                    yearish_content_context?
end

#deep_utility_context_route? ⇒ Boolean

Returns true when the leading segments are all utility chrome.

Returns:

  • (Boolean) —

    true when the leading segments are all utility chrome



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 126

def deep_utility_context_route?
  all_junk?(segments.size - 1)
end

#junk_path? ⇒ Boolean

Returns true when the route is shallow and contains high-confidence noise.

Returns:

  • (Boolean) —

    true when the route is shallow and contains high-confidence noise



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 131

def junk_path?
  return false if excluded_content_route?

  taxonomy_path? ||
    utility_only_route? ||
    deep_utility_context_route? ||
    shallow_high_confidence_route?
end

#shallow? ⇒ Boolean

Returns true when the route is too shallow to strongly indicate an article.

Returns:

  • (Boolean) —

    true when the route is too shallow to strongly indicate an article



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 94

def shallow?
  segment_count = segments.size
  junk_segments = SEGMENT_SETS.fetch(:high_confidence_junk)

  segment_count <= 1 || (segment_count == 2 && junk_segments.include?(segments.last))
end

#shallow_high_confidence_route? ⇒ Boolean

Returns true when the route is shallow and contains high-confidence noise.

Returns:

  • (Boolean) —

    true when the route is shallow and contains high-confidence noise



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 116

def shallow_high_confidence_route?
  junk_segments = SEGMENT_SETS.fetch(:high_confidence_junk)
  vanity_segments = SEGMENT_SETS.fetch(:vanity)

  shallow? && segments.any? do |segment|
    junk_segments.include?(segment) || vanity_segments.include?(segment)
  end
end

#strong_post_suffix? ⇒ Boolean

Returns true when the final path segment looks like a post slug.

Returns:

  • (Boolean) —

    true when the final path segment looks like a post slug



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 102

def strong_post_suffix?
  @strong_post_suffix ||= segments.any? &&
                          included_last_segment? &&
                          trusted_post_context?(segments.size - 1)
end

#taxonomy_path? ⇒ Boolean

Returns true when the route points at taxonomy/listing chrome.

Returns:

  • (Boolean) —

    true when the route points at taxonomy/listing chrome



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 89

def taxonomy_path?
  @taxonomy_path ||= SEGMENT_SETS[:taxonomy].intersect?(segments)
end

#utility_destination? ⇒ Boolean

Returns true when the route points at conversion or account chrome.

Returns:

  • (Boolean) —

    true when the route points at conversion or account chrome



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 141

def utility_destination?
  return false if excluded_content_route?

  vanity_path? || utility_route?
end

#utility_only_route? ⇒ Boolean

Returns true when every path segment is utility chrome.

Returns:

  • (Boolean) —

    true when every path segment is utility chrome



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 109

def utility_only_route?
  junk_segments = SEGMENT_SETS.fetch(:high_confidence_junk)

  segments.all? { |segment| junk_segments.include?(segment) }
end

#utility_path? ⇒ Boolean

Returns true when the route includes utility/navigation evidence.

Returns:

  • (Boolean) —

    true when the route includes utility/navigation evidence



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 79

def utility_path?
  @utility_path ||= SEGMENT_SETS[:utility].intersect?(segments)
end

#vanity_path? ⇒ Boolean

Returns true when the route points at conversion or account chrome.

Returns:

  • (Boolean) —

    true when the route points at conversion or account chrome



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# File 'lib/html2rss/link_destination/path_classifier.rb', line 84

def vanity_path?
  @vanity_path ||= SEGMENT_SETS[:vanity].intersect?(segments)
end