Class: Image::BlogLiquidImageFixer

Inherits:
BaseService show all
Defined in:
app/services/image/blog_liquid_image_fixer.rb

Constant Summary collapse

PATTERN = 
/{% image_tag (.*?)%}/

Instance Method Summary collapse

Methods inherited from BaseService

#initialize, #log_debug, #log_error, #log_info, #log_warning, #logger, #options, #tagged_logger

Constructor Details

This class inherits a constructor from BaseService

Instance Method Details

#process(articles: nil, limit: nil) ⇒ Object 



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# File 'app/services/image/blog_liquid_image_fixer.rb', line 4

def process(articles: nil, limit: nil)

  logger.tagged('Image::BlogLiquidImageFixer') do
    articles ||= Article.where("solution like '%{\% image_tag%'")
    articles = articles.limit(limit) if limit.present?
    results = []
    errors = []
    index = 0
    total = articles.size
    articles.each do |article|
      index += 1
      puts "[#{index}/#{total}] Evaluating article #{article.id}"
      html_fragment = article.solution
      html_changed = false
      new_frag = html_fragment.gsub(PATTERN) do |liquid_tag|

        match_data = liquid_tag.scan(PATTERN)&.first&.first
        args = CSV.parse(match_data.gsub(/\s+"/, '"')).flatten.map(&:to_s).map(&:squish).map(&:presence) rescue nil
        args ||= match_data.split(',').map(&:to_s).map(&:squish).map(&:presence)
        # The last bits after position 5 seem to have the info we need
        img_options = {}
        image_id = args[0].presence
        img_options[:alt] = args[1].presence
        img_options[:width] = args[2].presence
        img_options[:height] = args[3].presence
        img_options[:class] = args[4].presence
        img_url = args[5..].join
        if img_url.starts_with?('https://ik.warmlyyours.com')
          ik_url = img_url
        else #legacy most likely, convert it
          ik_url = Image::LegacyImageParamTranslator.translate_from_url(img_url)
        end
        # Let's check this image loads up and we have the right slug
        transform,slug,format,version = ik_url.scan(/https:\/\/ik.warmlyyours.com\/?(\S*)?\/img\/(\S*)\.(\w{3,4})\?(\S*)$/)&.first
        # Image lookup
        # First hardcode some slug love
        slug = {
          'be-radiant-may-2016-0bb2ff' => 'be-radiant-may-2016-4484c6',
          'holiday-sales-warmlyyours-39eceb' => 'holiday-sales-warmlyyours-c52d63',
          'heated-floor-install-5fd1aa' => 'heated-floor-install-563aed'
        }[slug] || slug

        begin
          img = Image.friendly.find(slug)
          # url
          img_options[:'data-image-id'] = img.id
          img_file_name = img.ik_file_name
          # url_file_name
          url_file_name = "#{slug}.#{format}"
          if url_file_name != img_file_name
            ik_url.gsub!(url_file_name, img_file_name)
          end
        rescue ActiveRecord::RecordNotFound => exc
          errors << "[Article:#{article.id}][Match:#{index}] #{liquid_tag} was translated to #{ik_url} but slug #{slug} is missing!"
        end
        # Todo, find the image in our db and populate the tag and other info if needed
        updated_tag = ApplicationController.helpers.image_tag(ik_url, **img_options.compact)
        # Test the url
        # http_status = HTTP.head(ik_url).status
        #if http_status == 200
        results << "[Article:#{article.id}][Match:#{index}] #{liquid_tag} was translated to #{updated_tag}"
        html_changed = true
        updated_tag
        #else
        #  errors << "[Article:#{article.id}][Match:#{index}] #{liquid_tag} was translated to #{updated_tag} but HTTP status is #{http_status}"
        #  liquid_tag # Return original
        #end
      end
      if html_changed
        article.update_columns(solution: new_frag, updated_at: Time.current)
      end
    end
    puts "Results:\n----------\n"
    puts results.join("\n")
    puts "\nErrors:\n----------\n"
    puts errors.join("\n")
  end
end