Class: Bipm::Data::Importer::Strategies::StaticIndex

Inherits:
Base
  • Object
show all
Defined in:
lib/bipm/data/importer/strategies/static_index.rb

Overview

Scrapes a body whose data is reachable through a static HTML listing page (one URL per language) plus per-resolution pages that the listing links to. The BIPM SPA rewrite preserved this shape for CGPM; other bodies moved to SPA-only rendering and are handled by SpaMeetings instead.

Instance Attribute Summary

Attributes inherited from Base

#base_dir, #body, #languages

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#initialize, #recording_mode

Constructor Details

This class inherits a constructor from Bipm::Data::Importer::Strategies::Base

Class Method Details

.recording_mode ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 19

def self.recording_mode
  :live
end

Instance Method Details

#build_urls_by_language(listings) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 209

def build_urls_by_language(listings)
  listings.each_with_object({}) do |(lang, page), h|
    h[lang] = page ? extract_resolution_urls(page.body, lang) : []
  end
end

#call(agent:) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 23

def call(agent:)
  listings = fetch_listings(agent)
  urls_by_lang = build_urls_by_language(listings)
  log_url_summary(urls_by_lang)

  meetings = {}
  scrape_resolutions(agent, urls_by_lang, meetings)
  enrich_meetings(agent, meetings)
  write_files(meetings)
end

#enrich_meetings(agent, meetings) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 257

def enrich_meetings(agent, meetings)
  puts "[static_index] Fetching #{meetings.size} meeting session pages..."
  meetings.each_value do |data|
    data["resolutions"].each do |lang, res_map|
      next if res_map.empty?
      sample_res = res_map.values.first
      next unless sample_res && sample_res["url"]
      meeting_url = sample_res["url"].sub(%r{/resolution-\d+\z}, "")
      page = agent.get(meeting_url)
      sleep 0.3
      doc = Nokogiri::HTML(page.body)
      if (title_node = doc.at_css("h1.session__title, .journal-content-article h1"))
        data["meta"][lang] ||= {}
        data["meta"][lang]["title"] = title_node.text.strip.gsub(/\s+/, " ")
      end
      if (date_node = doc.at_css("p.session__date")) && (parsed_date = parse_date_text(date_node.text))
        data["meta"][lang] ||= {}
        data["meta"][lang]["date"] = parsed_date
        res_map.each_value do |res|
          res["dates"] = [parsed_date]
          res["considerations"]&.each { |c| c["date_effective"] = parsed_date }
          res["actions"]&.each { |x| x["date_effective"] = parsed_date }
          res["approvals"]&.each { |x| x["date_effective"] = parsed_date }
        end
      end
    rescue => e
      warn "[static_index] meeting page fetch #{lang} #{meeting_url} failed: #{e.message}"
    end
  end
end

#extract_resolution_urls(listing_html, language) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 40

def extract_resolution_urls(listing_html, language)
  doc = Nokogiri::HTML(listing_html)
  doc.css("a").map do |link|
    href = link["href"].to_s
    next nil unless href =~ %r{/committees/cg/cgpm/\d+-\d+/resolution-\d+\z}
    path = href.sub(%r{^https?://[^/]+}, "").sub(%r{^/(?:en|fr)?/?(?=committees)}, "")
    "#{Body::BIPM_ORIGIN}/#{language}/#{path}"
  end.compact.uniq
end

#fetch_listings(agent) ⇒ Object

---------- Orchestration ----------



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 196

def fetch_listings(agent)
  listings = {}
  languages.each do |lang|
    url = body.url(lang)
    listings[lang] = agent.get(url)
    puts "[static_index] #{lang.to_s.upcase} listing: #{listings[lang].body.size} bytes"
  rescue => e
    warn "[static_index] FAILED to fetch #{lang.to_s.upcase} listing: #{e.message}"
    listings[lang] = nil
  end
  listings
end

#flush_clause(verb, message_parts, list_items, considerations, actions, date_str) ⇒ Object

---------- Clause handling ----------



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 58

def flush_clause(verb, message_parts, list_items, considerations, actions, date_str)
  full_message = message_parts.concat(list_items).reject(&:empty?).join("\n").gsub(/\s+/, " ").strip
  return if full_message.empty?

  type, category = Clauses.lookup_verb(verb)
  clause = { "type" => type, "date_effective" => date_str, "message" => full_message }

  if category == Clauses::CATEGORY_CONSIDERATION
    considerations << clause
  else
    actions << clause
  end
end

#log_url_summary(urls_by_lang) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 215

def log_url_summary(urls_by_lang)
  en_urls = urls_by_lang[Language::EN] || []
  fr_urls = urls_by_lang[Language::FR] || []
  en_by_norm = en_urls.each_with_object({}) { |u, h| h[normalize_res_url(u)] = u }
  fr_by_norm = fr_urls.each_with_object({}) { |u, h| h[normalize_res_url(u)] = u }
  all_norm = (en_by_norm.keys + fr_by_norm.keys).uniq.sort
  puts "[static_index] EN: #{en_urls.size}, FR: #{fr_urls.size}, paired: #{all_norm.size}"
  { en_by_norm: en_by_norm, fr_by_norm: fr_by_norm, all_norm: all_norm }
end

#normalize_res_url(url) ⇒ Object

---------- URL handling ----------



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 36

def normalize_res_url(url)
  url.to_s.sub(%r{/(en|fr)/committees/}, "/committees/")
end

#parse_date_text(text) ⇒ Object

---------- Date parsing ----------



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 52

def parse_date_text(text)
  Text::French.parse_date(text)&.iso8601
end

#parse_resolution(page, _language) ⇒ Object

---------- Page parsing ----------



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 74

def parse_resolution(page, _language)
  return nil unless page
  doc = Nokogiri::HTML(page.body)
  article = doc.at_css("div.journal-content-article") ||
            doc.at_css("div.asset-entry") ||
            doc.css("div").find { |d| d.inner_html.include?("Resolution") && d.inner_html.size > 1000 }
  return nil unless article

  h1 = article.at_css("h1")
  h1_text = h1&.text&.strip&.gsub(/\s+/, " ")
  h2s = article.css("h2").map { |h| h.text.strip }
  code_h2 = h2s.find { |t| t =~ /^Resolution-CGPM-\d+-\d+\z/i }
  subject_h2 = h2s.find { |t| t != code_h2 && t !~ /^(CGPM logo|Menu Display)$/i }

  res_id = nil
  meeting_id = nil
  year = nil
  if h1_text
    en_m = h1_text.match(/(?:Resolution|Declaration|Recommendation)\s+(\d+)\s+of\s+the\s+(\d+)(?:st|nd|rd|th)?\s+CGPM(?:\s*\((\d{4})\))?/i)
    fr_m = h1_text.match(/(?:R[ée]solution|D[ée]claration|Recommandation)\s+(\d+)\s+de la\s+(\d+)[eè]?(?:\s+CGPM)(?:\s*\((\d{4})\))?/i)
    if (m = en_m || fr_m)
      res_id = m[1].to_i
      meeting_id = m[2].to_i
      year = m[3]
    end
  end

  date_str = nil
  if (date_node = doc.at_css("p.session__date"))
    date_str = parse_date_text(date_node.text)
  end
  date_str ||= year ? "#{year}-01-01" : nil

  reference_url = nil
  reference_name = nil
  reference_page = nil
  article.css("a").each do |link|
    text = link.text.strip
    href = link["href"].to_s
    next unless href.include?("/documents/")
    next unless text =~ /Proceedings of the\s+(\d+)(?:st|nd|rd|th)?\s+CGPM/i
    reference_name = text
    reference_url = href
    reference_page = Regexp.last_match(1).to_i if text =~ /p(\d+)\s*\z/
    break
  end

  considerations = []
  actions = []
  approvals = []

  preamble = article.css("p").map(&:text).find { |t| t =~ /General Conference|CGPM.*meeting/i }

  current_verb = nil
  current_message_parts = []
  current_list_items = []

  article.children.each do |node|
    next unless node.element? || node.text?
    next if node.name == "script" || node.name == "style"

    if node.name == "p"
      b = node.at_css("b")
      if b
        verb_text = Clauses.normalize_verb(b.text)
        rest = node.dup
        rest.at_css("b").remove
        rest_text = rest.text.strip.gsub(/\s+/, " ")
        if current_verb
          flush_clause(current_verb, current_message_parts, current_list_items, considerations, actions, date_str)
          current_message_parts = []
          current_list_items = []
        end
        current_verb = verb_text
        current_message_parts << rest_text if rest_text && !rest_text.empty?
      elsif current_verb && (text = node.text.strip) && !text.empty?
        current_message_parts << text
      end
    elsif node.name == "ul" && current_verb
      node.css("li").each do |li|
        current_list_items << li.text.strip.gsub(/\s+/, " ")
      end
    end
  end
  flush_clause(current_verb, current_message_parts, current_list_items, considerations, actions, date_str) if current_verb

  if preamble
    approvals << { "message" => preamble.strip, "date_effective" => date_str }
  end

  {
    "metadata" => {
      "title" => h1_text || "CGPM Resolution",
      "identifier" => res_id&.to_s,
      "date" => date_str,
      "source" => "BIPM - Pavillon de Breteuil",
      "url" => page.uri.to_s,
    },
    "resolutions" => [{
      "dates" => [date_str].compact,
      "subject" => "CGPM",
      "type" => "resolution",
      "title" => subject_h2 || h1_text,
      "identifier" => res_id&.to_s,
      "url" => page.uri.to_s,
      "reference" => reference_url,
      "reference_name" => reference_name,
      "reference_page" => reference_page,
      "approvals" => approvals,
      "considerations" => considerations,
      "actions" => actions,
    }],
    "_meeting_id" => meeting_id&.to_s,
    "_year" => year,
  }
rescue => e
  warn "[static_index] parse_resolution failed for #{page&.uri}: #{e.message}"
  nil
end

#scrape_resolutions(agent, urls_by_lang, meetings) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 225

def scrape_resolutions(agent, urls_by_lang, meetings)
  en_urls = urls_by_lang[Language::EN] || []
  fr_urls = urls_by_lang[Language::FR] || []
  en_by_norm = en_urls.each_with_object({}) { |u, h| h[normalize_res_url(u)] = u }
  fr_by_norm = fr_urls.each_with_object({}) { |u, h| h[normalize_res_url(u)] = u }
  all_norm = (en_by_norm.keys + fr_by_norm.keys).uniq.sort

  all_norm.each_with_index do |norm_url, idx|
    parsed = {}
    [en_by_norm[norm_url], fr_by_norm[norm_url]].compact.each do |url|
      lang = url[%r{/(fr)/committees/}, 1] || "en"
      page = agent.get(url)
      sleep 0.5
      parsed[lang] = parse_resolution(page, lang)
      next unless parsed[lang]
      mid = parsed[lang].delete("_meeting_id")
      year = parsed[lang].delete("_year")
      next unless mid
      meetings[mid] ||= { "year" => year, "resolutions" => {}, "meta" => {} }
      meetings[mid]["year"] ||= year
      meetings[mid]["meta"][lang] = parsed[lang]["metadata"]
      parsed[lang]["resolutions"]&.each do |res|
        meetings[mid]["resolutions"][lang] ||= {}
        meetings[mid]["resolutions"][lang][res["identifier"].to_s] = res
      end
    rescue => e
      warn "[static_index] fetch #{lang} #{url} failed: #{e.class}: #{e.message}"
    end
    puts "[static_index] (#{idx + 1}/#{all_norm.size}) #{norm_url} -> EN=#{!!parsed["en"]} FR=#{!!parsed["fr"]}"
  end
end

#write_files(meetings) ⇒ Object 



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# File 'lib/bipm/data/importer/strategies/static_index.rb', line 288

def write_files(meetings)
  dir = "#{base_dir}/#{body.id}"
  FileUtils.mkdir_p("#{dir}/meetings-en")
  FileUtils.mkdir_p("#{dir}/meetings-fr")

  written = { Language::EN => 0, Language::FR => 0 }
  meetings.sort.each do |mid, data|
    data["resolutions"].each do |lang, res_map|
      lang_obj = Language.find(lang)
      res_map = res_map.reject { |_, r| r.nil? }
      next if res_map.empty?
      res_list = res_map.sort_by { |rid, _| rid.to_i }.map { |_, r| r }
      first = res_list.first
      next unless first

      meeting_meta = (data["meta"][lang] || {}).dup
      meeting_meta["title"]    ||= "CGPM meeting #{mid}"
      meeting_meta["date"]     ||= data["year"] ? "#{data["year"]}-01-01" : nil
      meeting_meta["identifier"] = mid.to_s
      meeting_meta["url"]        = (first["url"] || meeting_meta["url"])&.sub(%r{/resolution-\d+\z}, "")
      meeting_meta["source"]   ||= "BIPM - Pavillon de Breteuil"

      payload = { "metadata" => meeting_meta, "resolutions" => res_list }
      path = "#{dir}/meetings-#{lang_obj}/meeting-#{format('%02d', mid.to_i)}.yml"
      File.write(path, YAML.dump(payload))
      written[lang_obj] += 1
    end
  end

  total_en = meetings.values.sum { |m| (m["resolutions"]["en"] || {}).size }
  puts "[static_index] Wrote #{written[Language::EN]} EN + #{written[Language::FR]} FR meeting files across #{meetings.size} CGPM sessions (#{total_en} EN resolutions)."
end