Class: Skyfall::Label

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ Label

Returns a new instance of Label.

Raises:



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# File 'lib/skyfall/label.rb', line 8

def initialize(data)
  @data = data

  raise DecodeError.new("Missing version: #{data}") unless data.has_key?('ver')
  raise DecodeError.new("Invalid version: #{ver}") unless ver.is_a?(Integer) && ver >= 1
  raise UnsupportedError.new("Unsupported version: #{ver}") unless ver == 1

  raise DecodeError.new("Missing source: #{data}") unless data.has_key?('src')
  raise DecodeError.new("Invalid source: #{src}") unless src.is_a?(String) && src.start_with?('did:')

  raise DecodeError.new("Missing uri: #{data}") unless data.has_key?('uri')
  raise DecodeError.new("Invalid uri: #{uri}") unless uri.is_a?(String)
  raise DecodeError.new("Invalid uri: #{uri}") unless uri.start_with?('at://') || uri.start_with?('did:')
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/skyfall/label.rb', line 6

def data
  @data
end

Instance Method Details

#authority ⇒ Object Also known as: src 



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# File 'lib/skyfall/label.rb', line 27

def authority
  @data['src']
end

#cid ⇒ Object 



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# File 'lib/skyfall/label.rb', line 35

def cid
  @cid ||= @data['cid'] && CID.from_json(@data['cid'])
end

#created_at ⇒ Object Also known as: cts 



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# File 'lib/skyfall/label.rb', line 47

def created_at
  @created_at ||= Time.parse(@data['cts'])
end

#expires_at ⇒ Object Also known as: exp 



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# File 'lib/skyfall/label.rb', line 51

def expires_at
  @expires_at ||= @data['exp'] && Time.parse(@data['exp'])
end

#negation? ⇒ Boolean Also known as: neg

Returns:

  • (Boolean) 


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# File 'lib/skyfall/label.rb', line 43

def negation?
  !!@data['neg']
end

#subject ⇒ Object Also known as: uri 



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# File 'lib/skyfall/label.rb', line 31

def subject
  @data['uri']
end

#value ⇒ Object Also known as: val 



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# File 'lib/skyfall/label.rb', line 39

def value
  @data['val']
end

#version ⇒ Object Also known as: ver 



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# File 'lib/skyfall/label.rb', line 23

def version
  @data['ver']
end