Class: Heathrow::Sources::Whatsapp

Inherits:
Object
  • Object
show all
Defined in:
lib/heathrow/sources/whatsapp.rb

Constant Summary collapse

DEFAULT_API_URL = 
'http://localhost:3000'
DEFAULT_SESSION = 
'default'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source) ⇒ Whatsapp

Returns a new instance of Whatsapp.



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# File 'lib/heathrow/sources/whatsapp.rb', line 21

def initialize(source)
  @source = source
  @config = source.config.is_a?(String) ? JSON.parse(source.config) : source.config
  @last_fetch_time = Time.now
  @session = @config['session'] || DEFAULT_SESSION
  @api_url = @config['api_url'] || DEFAULT_API_URL
end

Instance Attribute Details

#last_fetch_time ⇒ Object (readonly)

Returns the value of attribute last_fetch_time.



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# File 'lib/heathrow/sources/whatsapp.rb', line 16

def last_fetch_time
  @last_fetch_time
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/heathrow/sources/whatsapp.rb', line 16

def source
  @source
end

Instance Method Details

#authenticate ⇒ Object 



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# File 'lib/heathrow/sources/whatsapp.rb', line 185

def authenticate
  begin
    # Create session if it doesn't exist
    unless session_exists?
      puts "Creating WhatsApp session '#{@session}'..."
      create_session
    end

    # Start session if stopped
    status = get_session_status
    if status == 'STOPPED'
      start_session
      sleep(2)
    end

    # Get QR code and wait for scan
    authenticate_with_qr_code

  rescue => e
    puts "Authentication error: #{e.message}"
    false
  end
end

#can_reply? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/heathrow/sources/whatsapp.rb', line 101

def can_reply?
  authenticated?
end

#fetch_messages ⇒ Object 



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# File 'lib/heathrow/sources/whatsapp.rb', line 29

def fetch_messages
  messages = []

  begin
    unless authenticated?
      puts "WhatsApp not authenticated. Run setup first." if ENV['DEBUG']
      return messages
    end

    # Get list of chats
    chats = fetch_chats
    return messages if chats.empty?

    # Fetch recent messages from each chat
    limit = @config['fetch_limit'] || 20
    chats.each do |chat|
      chat_id = chat['id']
      chat_messages = fetch_chat_messages(chat_id, limit)

      chat_messages.each do |msg|
        message = convert_to_heathrow_message(msg, chat)
        messages << message if message
      end
    end

    @last_fetch_time = Time.now

  rescue => e
    puts "WhatsApp fetch error: #{e.message}" if ENV['DEBUG']
    puts e.backtrace.join("\n") if ENV['DEBUG']
  end

  messages
end

#post_configure ⇒ Object 



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# File 'lib/heathrow/sources/whatsapp.rb', line 209

def post_configure
  if authenticated?
    puts "WhatsApp already authenticated!"
    return true
  end

  puts "\nWhatsApp requires authentication via QR code."
  print "Would you like to authenticate now? (y/n): "
  response = gets.chomp.downcase

  if response == 'y'
    authenticate
  else
    puts "You can authenticate later by running: ruby setup_whatsapp.rb"
    true
  end
end

#send_media(to, file_path, caption = nil) ⇒ Object 



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# File 'lib/heathrow/sources/whatsapp.rb', line 139

def send_media(to, file_path, caption = nil)
  unless can_reply?
    return { success: false, message: "WhatsApp not authenticated" }
  end

  begin
    chat_id = format_chat_id(to)
    mime_type = detect_mime_type(file_path)

    # Determine endpoint based on media type
    endpoint = case mime_type
               when /^image/ then '/api/sendImage'
               when /^video/ then '/api/sendVideo'
               when /^audio/ then '/api/sendVoice'
               else '/api/sendFile'
               end

    # Read and encode file
    file_data = Base64.strict_encode64(File.binread(file_path))

    payload = {
      session: @session,
      chatId: chat_id,
      file: {
        mimetype: mime_type,
        filename: File.basename(file_path),
        data: file_data
      }
    }
    payload[:caption] = caption if caption

    uri = URI("#{@api_url}#{endpoint}")
    response = post_json(uri, payload)

    if response.is_a?(Net::HTTPSuccess)
      { success: true, message: "Media sent to #{to}" }
    else
      error = parse_error(response)
      { success: false, message: "Failed to send media: #{error}" }
    end

  rescue => e
    { success: false, message: "Send media failed: #{e.message}" }
  end
end

#send_message(to, subject, body, in_reply_to = nil) ⇒ Object 



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# File 'lib/heathrow/sources/whatsapp.rb', line 105

def send_message(to, subject, body, in_reply_to = nil)
  unless can_reply?
    return { success: false, message: "WhatsApp not authenticated" }
  end

  begin
    chat_id = format_chat_id(to)

    payload = {
      session: @session,
      chatId: chat_id,
      text: body
    }

    # Add reply context if replying
    payload[:reply_to] = in_reply_to if in_reply_to

    uri = URI("#{@api_url}/api/sendText")
    response = post_json(uri, payload)

    if response.is_a?(Net::HTTPSuccess)
      { success: true, message: "Message sent to #{to}" }
    else
      error = parse_error(response)
      { success: false, message: "Failed to send: #{error}" }
    end

  rescue Errno::ECONNREFUSED
    { success: false, message: "WAHA not running" }
  rescue => e
    { success: false, message: "Send failed: #{e.message}" }
  end
end

#test_connection ⇒ Object 



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# File 'lib/heathrow/sources/whatsapp.rb', line 64

def test_connection
  begin
    # Check session status
    uri = URI("#{@api_url}/api/sessions/#{@session}")
    response = Net::HTTP.get_response(uri)

    if response.is_a?(Net::HTTPSuccess)
      data = JSON.parse(response.body)
      status = data['status']

      case status
      when 'WORKING'
        me = data.dig('me', 'id') || 'Unknown'
        phone = me.split('@').first
        { success: true, message: "Connected as +#{phone}" }
      when 'SCAN_QR_CODE'
        { success: false, message: "Session needs QR code scan. Run setup." }
      when 'STARTING'
        { success: false, message: "Session is starting..." }
      when 'STOPPED'
        { success: false, message: "Session stopped. Run setup to start." }
      else
        { success: false, message: "Session status: #{status}" }
      end
    elsif response.code == '404'
      { success: false, message: "Session '#{@session}' not found. Run setup." }
    else
      { success: false, message: "API error: #{response.code}" }
    end

  rescue Errno::ECONNREFUSED
    { success: false, message: "WAHA not running. Start with: docker run -p 3000:3000 devlikeapro/waha" }
  rescue => e
    { success: false, message: "Connection failed: #{e.message}" }
  end
end