Class: Ygg::Session

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

Instance Method Summary collapse

Constructor Details

#initialize(source = nil) ⇒ Session

Returns a new instance of Session.



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# File 'lib/ygg/session.rb', line 3

def initialize(source = nil)
  if source
    @source = source
    @records = DataBundle.new load
  end
end

Instance Method Details

#has_loaded_some?(of_class) ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/ygg/session.rb', line 34

def has_loaded_some?(of_class)
  raise ArgumentError, "Not a class" unless of_class.is_a? Class
  raise NoInteractionDoneException, 
    "No interaction done yet." unless records
  records.each do |record|
    return true if record.is_a? of_class
  end
  return false
end

#load(path = nil) ⇒ Object 



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# File 'lib/ygg/session.rb', line 10

def load(path = nil)
  @source = path if path
  begin
    File.exists?(@source) ? YAML.load_file(@source) : []
  rescue Psych::SyntaxError => syntax_error
    raise InvalidResourceException,
      "The resource on #{@source} is invalid"
  end
end

#records ⇒ Object 



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# File 'lib/ygg/session.rb', line 32

def records; @records; end

#shutdown ⇒ Object 



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# File 'lib/ygg/session.rb', line 20

def shutdown
  File.open @source, "w" do |file|
    file.write @records.to_yaml
  end
end

#source ⇒ Object

Raises:



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# File 'lib/ygg/session.rb', line 26

def source
  raise Ygg::UnavailableResourceException, "No resource was setted." unless @source
  @source
end

#source=(source) ⇒ Object 



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# File 'lib/ygg/session.rb', line 31

def source=(source); @source = source; end