Class: SlackSocketMode

Inherits:
Object
  • Object
show all
Defined in:
lib/slack_socket_mode.rb,
lib/slack_socket_mode/version.rb

Constant Summary collapse

VERSION =
"0.1.1"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(slack_app_token, logger: nil) ⇒ SlackSocketMode

Returns a new instance of SlackSocketMode.



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# File 'lib/slack_socket_mode.rb', line 12

def initialize(slack_app_token, logger: nil)
  @slack_app_token = slack_app_token
  @logger = logger || Logger.new(File::NULL)
end

Instance Attribute Details

#loggerObject

Returns the value of attribute logger.



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# File 'lib/slack_socket_mode.rb', line 10

def logger
  @logger
end

#slack_app_tokenObject

Returns the value of attribute slack_app_token.



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# File 'lib/slack_socket_mode.rb', line 10

def slack_app_token
  @slack_app_token
end

#websocketObject

Returns the value of attribute websocket.



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# File 'lib/slack_socket_mode.rb', line 10

def websocket
  @websocket
end

Instance Method Details

#each_payload(&block) ⇒ Object



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# File 'lib/slack_socket_mode.rb', line 28

def each_payload(&block)
  @websocket.each_payload do |ws_payload|
    data = JSON.parse(ws_payload, symbolize_names: true)
    case data[:type].to_sym
    when :hello
      @logger.debug("[slackbot] hello")
    when :events_api
      @logger.debug("[slackbot] events_api")
      if data[:envelope_id]
        body = { envelope_id: data[:envelope_id] }.to_json
        @websocket.send_text(body)
      end
      payload = data[:payload]
      next if payload.dig(:event, :hidden)

      block.yield(payload)
    when :disconnect
      @logger.debug("[slackbot] disconnect")
      @websocket.close
    else
      @logger.error("[slackbot] Unknown type: #{data[:type]}")
    end
  end
end

#normalize_text(text) ⇒ Object



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# File 'lib/slack_socket_mode.rb', line 53

def normalize_text(text)
  unescape_slack_text(text).unicode_normalize(:nfkc).strip
end

#open(debug_reconnects: false) ⇒ Object



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# File 'lib/slack_socket_mode.rb', line 17

def open(debug_reconnects: false)
  ws_url = fetch_websocket_url(@slack_app_token)
  return false unless ws_url

  ws_url = add_query_to_url(ws_url, debug_reconnects: true) if debug_reconnects
  @logger.debug("[slackbot] WebSocket URL: #{ws_url}")

  @websocket = WebsocketClientLite.new(ws_url, logger: @logger)
  @websocket.handshake
end

#unescape_slack_text(text) ⇒ Object



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# File 'lib/slack_socket_mode.rb', line 57

def unescape_slack_text(text)
  text = text.gsub(/<([?@#!]?)(.*?)>/) { |matched|
    dt = matched[1]
    _link, label = dt.split("|", 2)
    label.to_s
  }
  CGI.unescape_html(text)
end