Class: URLArchiver

Inherits:
Object
  • Object
show all
Defined in:
lib/urlarchiver.rb

Instance Method Summary collapse

Constructor Details

#initialize(type) ⇒ URLArchiver

Returns a new instance of URLArchiver.



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# File 'lib/urlarchiver.rb', line 8

def initialize(type)
  @type = type
end

Instance Method Details

#archiveone(url) ⇒ Object

Archive a single url



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# File 'lib/urlarchiver.rb', line 13

def archiveone(url)
  begin
    html = Nokogiri::HTML(open(url))
    url.gsub!("https", "http")
    k = PDFKit.new(url, :page_size => "Letter")
    pdf = k.to_pdf

    # Save files
    FileUtils::mkdir_p 'public/uploads/archive'
    filepath = "public/uploads/archive/"+url.gsub("http", "https").gsub("/", "").gsub(".", "").gsub(":", "")+".pdf"
    File.open(filepath.gsub(".pdf", ".html"), 'w') { |file| file.write(html) }
    file = k.to_file(filepath)
  
    # Save output if single url
    if @type == "single"
      @output = Hash.new
      @output[:pdf_path] = filepath
      @output[:html_path] = filepath.gsub(".pdf", ".html")
      @output[:text] = html.text
    end

    # Return file paths
    out = Hash.new
    out[:pdf_path] = filepath
    out[:html_path] = filepath.gsub(".pdf", ".html")
    return out
  rescue
  end
end

#genJSON ⇒ Object

Generate JSON from output



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# File 'lib/urlarchiver.rb', line 70

def genJSON
  JSON.pretty_generate(@output)
end

#multiarchive(json, field) ⇒ Object

Archive multiple fields in a json



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# File 'lib/urlarchiver.rb', line 44

def multiarchive(json, field)
  pjson = JSON.parse(json)
  htmlfield = field+"_htmlpath"
  pdffield = field+"_pdfpath"
  @output = Array.new

  pjson.each do |p|
    pitem = Hash.new
    paths = archiveone(p[field])

    # Save paths
    if !(paths == nil)
      pitem[htmlfield] = paths[:pdf_path]
      pitem[pdffield] = paths[:html_path]
    end
    
    # Save other fields
    p.each do |key, value|
      pitem[key] = value
    end

    @output.push(pitem)
  end
end