Class: Textus::Store::Staleness

Inherits:
Object
  • Object
show all
Defined in:
lib/textus/store/staleness.rb

Overview

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/PerceivedComplexity, Metrics/BlockLength

Instance Method Summary collapse

Constructor Details

#initialize(manifest:) ⇒ Staleness

Returns a new instance of Staleness.



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# File 'lib/textus/store/staleness.rb', line 7

def initialize(manifest:)
  @manifest = manifest
end

Instance Method Details

#call(prefix: nil, zone: nil) ⇒ Object 



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# File 'lib/textus/store/staleness.rb', line 11

def call(prefix: nil, zone: nil)
  out = []
  @manifest.entries.each do |mentry|
    next unless mentry.zone == "derived"
    next if zone && mentry.zone != zone

    gen = mentry.generator
    next unless gen
    next if prefix && !(mentry.key == prefix || mentry.key.start_with?("#{prefix}."))

    path = Textus::Key::Path.resolve(@manifest, mentry)

    unless File.exist?(path)
      out << stale_row(mentry, path, "derived entry has never been generated")
      next
    end

    raw = File.binread(path)
    parsed = Entry.for_format(mentry.format).parse(raw, path: path)
    generated_at = parsed["_meta"].dig("generated", "at")
    unless generated_at
      out << stale_row(mentry, path, "missing generated.at frontmatter")
      next
    end
    gen_time = begin
      Time.parse(generated_at.to_s)
    rescue StandardError
      nil
    end
    unless gen_time
      out << stale_row(mentry, path, "unparseable generated.at: #{generated_at.inspect}")
      next
    end

    offender = newest_source_after(gen, gen_time)
    out << stale_row(mentry, path, "source '#{offender}' modified after generated.at") if offender
  end

  @manifest.entries.each do |mentry|
    next unless mentry.fetch
    next if zone && mentry.zone != zone
    next if prefix && !(mentry.key == prefix || mentry.key.start_with?("#{prefix}."))

    ttl = parse_ttl(mentry.ttl)
    next unless ttl

    path = Textus::Key::Path.resolve(@manifest, mentry)

    unless File.exist?(path)
      out << intake_stale_row(mentry, path, "never refreshed")
      next
    end

    meta = Entry.for_format(mentry.format).parse(File.binread(path), path: path)["_meta"]
    last_str = meta["last_refreshed_at"]
    if last_str.nil?
      out << intake_stale_row(mentry, path, "never refreshed (no last_refreshed_at)")
      next
    end

    last = begin
      Time.parse(last_str.to_s)
    rescue StandardError
      nil
    end
    out << intake_stale_row(mentry, path, "ttl exceeded (#{ttl}s)") if last.nil? || (Time.now - last) > ttl
  end

  out
end