Class: Jekyll::UJPostTag

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

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ UJPostTag

Returns a new instance of UJPostTag.



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# File 'lib/tags/post.rb', line 6

def initialize(tag_name, markup, tokens)
  super
  @markup = markup.strip
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/tags/post.rb', line 11

def render(context)
  # Parse arguments
  args = parse_arguments_with_quotes(@markup)
  post_input = args[0]
  property_input = args[1] || "'title'"  # Default to title if no property specified

  # Strip quotes from property if present
  property = property_input.gsub(/^['"]|['"]$/, '')

  # Check if the post input was originally quoted
  is_quoted = post_input && post_input.match(/^['"]/)

  # Resolve post ID
  if is_quoted
    # If quoted, strip quotes and use as literal
    post_id = post_input.gsub(/^['"]|['"]$/, '')
  else
    # Otherwise resolve as variable
    post_id = resolve_post_id(context, post_input)
  end
  return '' unless post_id

  # Find post in site collections
  site = context.registers[:site]
  post = find_post(site, post_id)
  return '' unless post

  # Return the requested property
  case property
  when 'title'
    post.data['title'] || ''
  when 'description'
    post.data['description'] || post.data['excerpt'] || ''
  when 'url'
    site_url = site.config['url'] || ''
    site_url + post.url
  when 'path'
    post.url
  when 'image'
    # Use the custom post.post.id if available, otherwise fall back to extracting from post.id
    custom_id = (post.data['post'] && post.data['post']['id']) || post.id.gsub(/^\/(\w+)\//, '')
    # Extract the slug from the Jekyll post ID
    post_id_clean = post.id.gsub(/^\/(\w+)\//, '')
    slug = post_id_clean.gsub(/^\d{4}-\d{2}-\d{2}-/, '')
    "/assets/images/blog/post-#{custom_id}/#{slug}.jpg"
  when 'date'
    post.data['date'] ? post.data['date'].strftime('%Y-%m-%d') : ''
  when 'author'
    (post.data['post'] && post.data['post']['author']) || post.data['author'] || ''
  when 'category'
    post.data['category'] || post.data['categories']&.first || ''
  when 'categories'
    Array(post.data['categories']).join(', ')
  when 'tags'
    Array(post.data['tags']).join(', ')
  when 'id'
    post.id
  when 'image-tag'
    # Generate image path
    # Use the custom post.post.id if available, otherwise fall back to extracting from post.id
    custom_id = (post.data['post'] && post.data['post']['id']) || post.id.gsub(/^\/(\w+)\//, '')
    # Extract the slug from the Jekyll post ID
    post_id_clean = post.id.gsub(/^\/(\w+)\//, '')
    slug = post_id_clean.gsub(/^\d{4}-\d{2}-\d{2}-/, '')
    image_path = "/assets/images/blog/post-#{custom_id}/#{slug}.jpg"
    
    # Parse additional options for the image tag
    image_options = parse_image_options(args[2..-1], context)
    
    # Set default alt text if not provided
    if !image_options['alt']
      # Try to get the title from post.post.title first, then fall back to post.title
      default_alt = (post.data['post'] && post.data['post']['title']) || post.data['title']
      image_options['alt'] = default_alt if default_alt
    end
    
    # Build the markup string for uj_image tag
    image_markup = build_image_markup(image_path, image_options)
    
    # Parse and render the uj_image tag using Liquid template
    template_content = "{% uj_image #{image_markup} %}"
    template = Liquid::Template.parse(template_content)
    template.render!(context)
  else
    # Try to access any other property dynamically
    (post.data['post'] && post.data['post'][property]) || post.data[property] || ''
  end
end