Class: Jekyll::WebmentionIO::WebmentionTag

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
lib/jekyll/tags/webmention.rb

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, text, tokens) ⇒ WebmentionTag

Returns a new instance of WebmentionTag.



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# File 'lib/jekyll/tags/webmention.rb', line 16

def initialize(tag_name, text, tokens)
  super
  cache_file = WebmentionIO.get_cache_file_path "incoming"
  @cached_webmentions = if File.exist? cache_file
                          WebmentionIO.load_yaml(cache_file)
                        else
                          {}
                        end
end

Instance Method Details

#extract_type(type, webmentions) ⇒ Object 



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# File 'lib/jekyll/tags/webmention.rb', line 47

def extract_type(type, webmentions)
  WebmentionIO.log "info", "Looking for #{type}"
  keep = {}
  if !WebmentionIO.types.include? type
    WebmentionIO.log "warn", "#{type} are not extractable"
  else
    type = type.to_singular
    WebmentionIO.log "info", "Searching #{webmentions.length} webmentions for type==#{type}"
    if webmentions.is_a? Hash
      webmentions = webmentions.values
    end
    webmentions.each do |webmention|
      keep[webmention["id"]] = webmention if webmention["type"] == type
    end
  end
  keep
end

#lookup(context, name) ⇒ Object 



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# File 'lib/jekyll/tags/webmention.rb', line 26

def lookup(context, name)
  lookup = context
  name&.split(".")&.each do |value|
    lookup = lookup[value]
  end
  lookup
end

#render(context) ⇒ Object 



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# File 'lib/jekyll/tags/webmention.rb', line 65

def render(context)
  # Get the URI
  args = @text.split(/\s+/).map(&:strip)
  uri = args.shift
  uri = lookup(context, uri)

  # capture the types in case JS needs them
  types = []

  if @cached_webmentions.key? uri
    all_webmentions = @cached_webmentions[uri].clone
    WebmentionIO.log "info", "#{all_webmentions.length} total webmentions for #{uri}"

    if args.length.positive?
      WebmentionIO.log "info", "Requesting only #{args.inspect}"
      webmentions = {}
      args.each do |type|
        types.push type
        extracted = extract_type(type, all_webmentions)
        WebmentionIO.log "info", "Merging in #{extracted.length} #{type}"
        webmentions = webmentions.merge(extracted)
      end
    else
      WebmentionIO.log "info", "Grabbing all webmentions"
      webmentions = all_webmentions
    end

    if webmentions.is_a? Hash
      webmentions = webmentions.values
    end

    webmentions = sort_webmentions(webmentions)
    set_data(webmentions, types)
  end

  render_into_template(context.registers)
end

#set_data(data, types) ⇒ Object 



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# File 'lib/jekyll/tags/webmention.rb', line 43

def set_data(data, types)
  @data = { "webmentions" => data, "types" => types }
end

#template=(template) ⇒ Object 



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# File 'lib/jekyll/tags/webmention.rb', line 34

def template=(template)
  unless WebmentionIO.supported_templates.include? template
    WebmentionIO.log "error", "#{template.capitalize} is not supported"
  end
  @template_name = template
  @template = WebmentionIO.get_template_contents(template)
  WebmentionIO.log "info", "#{template.capitalize} template:\n\n#{@template}\n\n"
end