Class: WMATA_Alerts

Inherits:
Geeklet show all
Defined in:
lib/WMATA_Alerts/wmata_alerts.rb

Instance Method Summary collapse

Methods inherited from Geeklet

#show_help

Methods included from Configurable

#add_overrides, #command_parser, #configurableValue, #configurations, included, #isHelp?, #registerConfiguration

Instance Method Details

#description ⇒ Object 



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# File 'lib/WMATA_Alerts/wmata_alerts.rb', line 17

def description
  "Returns WMATA feed information for metro lines."
end

#name ⇒ Object 



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# File 'lib/WMATA_Alerts/wmata_alerts.rb', line 13

def name
  "WMATA_Alerts"
end

#run(params) ⇒ Object 



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# File 'lib/WMATA_Alerts/wmata_alerts.rb', line 29

def run(params)
  super(:WMATA_Alerts, params)

  rss_content = ""

  open(configurableValue(:WMATA_Alerts, :URL)) do |f|
    rss_content = f.read
  end

  rss = RSS::Parser.parse(rss_content, false)

  item_hash = {}

  # filter down to the items we want.
  rss.items.each do |item|
    item_hash[item.pubDate] = item unless item.pubDate < Chronic.parse(configurableValue(:WMATA_Alerts, :history))
  end

  if item_hash.empty?
    puts "No data from WMATA feed."
  else
    coder = HTMLEntities.new
    item_hash.keys.sort.reverse.each do |key|
      item = item_hash[key]

      title = "#{item.pubDate.strftime('%x')} - #{item.title}"
      puts title
      puts ("-" * title.length)

      message = coder.decode(item.description)
      message = translate(message)
      subject, *body = message.split(".")
      
      width = configurableValue(:WMATA_Alerts, :width)
      puts Utility.wrap_text(subject + "...", width)
      body.each do |sentence|
        puts Utility.wrap_text(sentence + ".", width, 3, :all)
      end

      puts
    end
  end

end

#translate(message) ⇒ Object 



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# File 'lib/WMATA_Alerts/wmata_alerts.rb', line 21

def translate(message)
  [
    ["p.m.", "pm"], 
    ["a.m.", "am"]
  ].each { |r| message.gsub!(r[0], r[1]) }
  message
end