Module: NineteenNinetynine::Core

Included in:
NineteenNinetynine
Defined in:
lib/nineteen_ninetynine/core.rb

Instance Method Summary collapse

Instance Method Details

#_init ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 3

def _init
  inits.each { |block| class_eval(&block) }
end

#create_last_data_received_at ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 64

def create_last_data_received_at
  @last_data_received_at ||= Time.now
end

#create_notes ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 56

def create_notes
  @notes ||= []
end

#create_users ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 60

def create_users
  @users ||= []
end

#create_ws_client ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 52

def create_ws_client
  @ws ||= WebSocket::Client::Simple.connect "wss://relay-jp.nostr.wirednet.jp"
end

#error(e) ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 72

def error(e)
  case e
  when Exception
    insert "[ERROR] #{e.message}\n    #{e.backtrace.join("\n    ")}".c(:notice)
  else
    insert "[ERROR] #{e}".c(:notice)
  end
end

#last_data_received_at=(time) ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 68

def last_data_received_at=(time)
  @last_data_received_at = time
end

#start ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 10

def start
  _init

  EM.run do
    Thread.start do
      while buf = Readline.readline("Nostr: ", true)
        unless Readline::HISTORY.count == 1
          Readline::HISTORY.pop if buf.empty? || Readline::HISTORY[-1] == Readline::HISTORY[-2]
        end
        #sync {
        #  reload unless config[:reload] == false
        #  store_history
        #  input(buf.strip)
        #}
        puts buf.strip
      end
      # unexpected
      #stop
    end

    EM.add_periodic_timer(1) do
      # Reconnect
      # if @last_data_received_at && Time.now - @last_data_received_at > 30
      #   # stop_stream
      #   start_stream
      # end

      mutex = Mutex.new
      mutex.synchronize do
        output
      end
    end

    start_stream
  end
end

#start_stream ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 81

def start_stream
  users = create_users
  notes = create_notes
  create_last_data_received_at

  ws = create_ws_client

  ws.on :message do |msg|
    next if msg.data.empty?

    payload = JSON.parse(msg.data)

    case payload[0]
    when "EOSE"
      # puts "Start time line: #{Time.now}"
    when "EVENT"
      case payload[1]
      when "content"
        note = Event::Note.new(payload[2])
        user = users.find { |u| u.pubkey == payload[2]["pubkey"] }
        if user.nil?
          ws.send JSON.generate(["REQ", "user", { kinds: [0], authors: [payload[2]["pubkey"]] }])

          while user = users.find { |u| u.pubkey == payload[2]["pubkey"] }
            note.user = user
            sleep 0.1
          end
        else
          note.user = user
        end

        notes.push note
      when "user"
        # user = User.new(JSON.parse(payload[2]["content"])["name"], payload[2]["pubkey"])
        profile = Event::Profile.new(payload[2])
        users.push profile
      end
    end
  rescue JSON::ParserError => e
    # ignore
  end

  ws.on :open do
    ws.send JSON.generate(["REQ", "content", { kinds: [1], since: Time.now.to_i }])
    ws.send JSON.generate(["REQ", "user", { kinds: [0] }])
  end

  ws.on :close do |e|
  end

  ws.on :error do |e|
    puts e
    puts e.backtrace
  end
end

#stop_stream ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 47

def stop_stream
  @ws.close if @ws.open?
  @ws = nil
end

#users ⇒ Object 



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# File 'lib/nineteen_ninetynine/core.rb', line 6

def users
  @users ||= []
end