Module: StateInspector::Observers::SessionLoggerObserver

Extended by:
Observer
Defined in:
lib/state_inspector/observers/session_logger_observer.rb

Class Method Summary collapse

Methods included from Observer

display, purge, update, values

Class Method Details

.display ⇒ Object 



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# File 'lib/state_inspector/observers/session_logger_observer.rb', line 30

def display
  if @file
    File.open(@file, File::RDONLY) {|f| f.read }
  else
    ""
  end
end

.file=(f) ⇒ Object 



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# File 'lib/state_inspector/observers/session_logger_observer.rb', line 25

def file= f
  warn("Warning! Log file #{@file} was already set!") if @file
  @file = f
end

.purge ⇒ Object 



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# File 'lib/state_inspector/observers/session_logger_observer.rb', line 52

def purge
  File.delete(@file) if File.exist? @file
  @file = nil
end

.update(*values) ⇒ Object 



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# File 'lib/state_inspector/observers/session_logger_observer.rb', line 10

def update *values
  @file ||= File.join(
      'log', 'state_inspector',
      ['session', Time.now.to_i, 'log'].join('.')
    )
  FileUtils.mkdir_p File.dirname(@file)
  File.open(@file, File::WRONLY | File::APPEND | File::CREAT) do |file|
    logger = Logger.new(file)
    logger << values.
      map(&value_mapper).
      join(splitter) 
    logger << "\n"
  end
end

.values ⇒ Object 



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# File 'lib/state_inspector/observers/session_logger_observer.rb', line 38

def values
  if @file
    File.open(@file, File::RDONLY) {|f| f.readlines}.map(&:chomp).map do |line|
      if line.empty?
        nil
      else
        line.split(splitter).map(&value_mapper)
      end
    end.compact
  else
    []
  end
end