Module: Wechat::Responder::ClassMethods

Defined in:
lib/wechat/responder.rb

Instance Method Summary collapse

Instance Method Details

#on(message_type, with: nil, respond: nil, &block) ⇒ Object 



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# File 'lib/wechat/responder.rb', line 30

def on(message_type, with: nil, respond: nil, &block)
  raise 'Unknow message type' unless [:text, :image, :voice, :video, :shortvideo, :link, :event, :click, :view, :scan, :batch_job, :location, :fallback].include?(message_type)
  config = respond.nil? ? {} : { respond: respond }
  config[:proc] = block if block_given?

  if with.present?
    raise 'Only text, event, click, view, scan and batch_job can having :with parameters' unless [:text, :event, :click, :view, :scan, :batch_job].include?(message_type)
    config[:with] = with
    if message_type == :scan
      if with.is_a?(String)
        self.known_scan_key_lists = with
      else
        raise 'on :scan only support string in parameter with, detail see https://github.com/Eric-Guo/wechat/issues/84'
      end
    end
  else
    raise 'Message type click, view, scan and batch_job must specify :with parameters' if [:click, :view, :scan, :batch_job].include?(message_type)
  end

  case message_type
  when :click
    user_defined_click_responders(with) << config
  when :view
    user_defined_view_responders(with) << config
  when :batch_job
    user_defined_batch_job_responders(with) << config
  when :scan
    user_defined_scan_responders << config
  when :location
    user_defined_location_responders << config
  else
    user_defined_responders(message_type) << config
  end

  config
end

#responder_for(message) ⇒ Object 



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# File 'lib/wechat/responder.rb', line 95

def responder_for(message)
  message_type = message[:MsgType].to_sym
  responders = user_defined_responders(message_type)

  case message_type
  when :text
    yield(* match_responders(responders, message[:Content]))
  when :event
    if 'click' == message[:Event] && !user_defined_click_responders(message[:EventKey]).empty?
      yield(* user_defined_click_responders(message[:EventKey]), message[:EventKey])
    elsif 'view' == message[:Event] && !user_defined_view_responders(message[:EventKey]).empty?
      yield(* user_defined_view_responders(message[:EventKey]), message[:EventKey])
    elsif 'click' == message[:Event]
      yield(* match_responders(responders, message[:EventKey]))
    elsif known_scan_key_lists.include?(message[:EventKey]) && %w(scan subscribe scancode_push scancode_waitmsg).freeze.include?(message[:Event])
      yield(* known_scan_with_match_responders(user_defined_scan_responders, message))
    elsif 'batch_job_result' == message[:Event]
      yield(* user_defined_batch_job_responders(message[:BatchJob][:JobType]), message[:BatchJob])
    elsif 'location' == message[:Event]
      yield(* user_defined_location_responders, message)
    else
      yield(* match_responders(responders, message[:Event]))
    end
  else
    yield(responders.first)
  end
end

#user_defined_batch_job_responders(with) ⇒ Object 



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# File 'lib/wechat/responder.rb', line 77

def user_defined_batch_job_responders(with)
  @batch_job_responders ||= {}
  @batch_job_responders[with] ||= []
end

#user_defined_click_responders(with) ⇒ Object 



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# File 'lib/wechat/responder.rb', line 67

def user_defined_click_responders(with)
  @click_responders ||= {}
  @click_responders[with] ||= []
end

#user_defined_location_responders ⇒ Object 



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# File 'lib/wechat/responder.rb', line 86

def user_defined_location_responders
  @location_responders ||= []
end

#user_defined_responders(type) ⇒ Object 



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# File 'lib/wechat/responder.rb', line 90

def user_defined_responders(type)
  @responders ||= {}
  @responders[type] ||= []
end

#user_defined_scan_responders ⇒ Object 



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# File 'lib/wechat/responder.rb', line 82

def user_defined_scan_responders
  @scan_responders ||= []
end

#user_defined_view_responders(with) ⇒ Object 



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# File 'lib/wechat/responder.rb', line 72

def user_defined_view_responders(with)
  @view_responders ||= {}
  @view_responders[with] ||= []
end