Class: DownRightNow::DownRightNow

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DownRightNow

Returns a new instance of DownRightNow.



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# File 'lib/downrightnow.rb', line 28

def initialize
  refresh
end

Instance Attribute Details

#doc ⇒ Object (readonly)

The original document received and parsed.



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# File 'lib/downrightnow.rb', line 14

def doc
  @doc
end

#last_updated_all ⇒ Object (readonly)

Overall last update as a time object.



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# File 'lib/downrightnow.rb', line 26

def last_updated_all
  @last_updated_all
end

#last_updates ⇒ Object (readonly)

List of updates (coresponding to services) as an array of time objects.



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# File 'lib/downrightnow.rb', line 23

def last_updates
  @last_updates
end

#services ⇒ Object (readonly)

List of services as an array of strings.



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# File 'lib/downrightnow.rb', line 17

def services
  @services
end

#statuses ⇒ Object (readonly)

List of statuses (coresponding to services) as an array of strings.



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# File 'lib/downrightnow.rb', line 20

def statuses
  @statuses
end

Instance Method Details

#any_outages? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/downrightnow.rb', line 46

def any_outages?
  statuses.any? { |x| x != 'Up' }
end

#refresh ⇒ Object

Go fetch the status document.



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# File 'lib/downrightnow.rb', line 33

def refresh
  @doc = Nokogiri::HTML(open('http://www.downrightnow.com'))
  @services = @doc.css('h2.serviceIcon a').map { |x| x.content.sub(/ status/,'') }
  @statuses = @doc.css('span.status').map(&:content)
  @last_updates = @doc.css('p.lastDisruption span.timestamp').map(&:content).map { |x| Time.parse(x) }
  @last_updated_all = Time.parse(@doc.css('form#autoRefreshForm p.sprite span.timestamp')[0].content)
end

#to_s(verbose = false) ⇒ Object

Return a human-friendly representation.



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# File 'lib/downrightnow.rb', line 51

def to_s(verbose=false)
  alignment1 = services.map(&:length).max + 2
  alignment2 = statuses.map(&:length).max + 2

  result = "%*s: %*s   " % [alignment1, "Service Name", -alignment2, "Status"]
  result += "   Last Update" if verbose
  result += "\n"

  result += "-"*(alignment1+alignment2+8+(verbose ? 25:0)) + "\n"
  
  to_tuple.each { |name, status, last_update|
	result += "%*s: %*s   " % [alignment1, name, -alignment2, status]
	result += "   #{last_update}" if verbose
	result += "\n"
  }
  result += "\nOverall last update was at: #{last_updated_all}\n"
  result
   
end

#to_tuple ⇒ Object

(services, statuses, last_updates) … 


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# File 'lib/downrightnow.rb', line 42

def to_tuple
  services.zip statuses, last_updates
end