Module: TrainSH::Mixin::Sessions

Defined in:
lib/trainsh/mixin/sessions.rb

Instance Method Summary collapse

Instance Method Details

#current_session ⇒ Object 



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# File 'lib/trainsh/mixin/sessions.rb', line 37

def current_session
  @sessions[current_session_id]
end

#current_session_id ⇒ Object 



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# File 'lib/trainsh/mixin/sessions.rb', line 33

def current_session_id
  @current_session_id ||= 0
end

#session(session_id = current_session_id) ⇒ Object 



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# File 'lib/trainsh/mixin/sessions.rb', line 22

def session(session_id = current_session_id)
  id = validate_session_id(session_id)

  @sessions[id] if id
end

#sessions ⇒ Object

?



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# File 'lib/trainsh/mixin/sessions.rb', line 29

def sessions
  (0..@sessions.count - 1).to_a
end

#use_session(url) ⇒ Object 



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# File 'lib/trainsh/mixin/sessions.rb', line 6

def use_session(url)
  @sessions = [] if @sessions.nil?

  existing_id = @sessions.index { |session| session.url == url }

  if existing_id.nil?
    @current_session_id = @sessions.count
    @sessions << TrainSH::Session.new(url)
  else
    @current_session_id = existing_id
  end
rescue Train::PluginLoadError
  say format('No Train plugin found for url %<url>s', url: url).red
  nil
end

#validate_session_id(session_id) ⇒ Object 



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# File 'lib/trainsh/mixin/sessions.rb', line 41

def validate_session_id(session_id)
  unless session_id
    say 'Expecting valid session id, e.g. `!session 2`'.red
    return
  end

  unless session_id.to_s.match?(/^[0-9]+$/)
    say 'Expected session id to be numeric'.red
    return
  end

  if @sessions[session_id.to_i].nil?
    say 'Expecting valid session id, e.g. `!session 2`'.red

    say "\nActive sessions:"
    @sessions.each_with_index { |data, idx| say "[#{idx}] #{data.url}" }
    say

    return
  end

  session_id.to_i
end