Class: Todoist::Util::NetworkHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/todoist/util/network_helper.rb

Instance Method Summary collapse

Constructor Details

#initialize(client) ⇒ NetworkHelper

Returns a new instance of NetworkHelper.



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# File 'lib/todoist/util/network_helper.rb', line 14

def initialize(client)
  @client = client
  @command_cache = Concurrent::Array.new([])
  @command_mutex = Mutex.new
  @temp_id_callback_cache = Concurrent::Array.new([])
  @last_request_time = 0.0
  
end

Instance Method Details

#configure_http(command) ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 23

def configure_http(command)
  http = Net::HTTP.new(Config.getURI()[command].host, Config.getURI()[command].port)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  return http
end

#configure_request(command, params) ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 30

def configure_request(command, params)
  request = Net::HTTP::Post.new(Config.getURI()[command].request_uri)
  request.set_form_data(params)
  return request
end

#get_multipart_response(command, params = {}) ⇒ Object

Files need to be of class UploadIO



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# File 'lib/todoist/util/network_helper.rb', line 38

def get_multipart_response(command, params={})
  token = {token: @client.token}
  http = configure_http(command)
  url = Config.getURI()[command]
  http.start do
    req = Net::HTTP::Post::Multipart.new(url, token.merge(params))
    response = http.request(req)
    begin
      return JSON.parse(response.body)
    rescue JSON::ParserError
        return response.body
    end
  end
end

#get_response(command, params = {}, token = true) ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 53

def get_response(command, params ={}, token = true)
  token = token ? {token: @client.token} : {}
  http = configure_http(command)
  request = configure_request(command, token.merge(params))
  retry_after_secs = Todoist::Config.retry_time
  # Hack to fix encoding issues with Net:HTTP for login case
  request.body = request.body.gsub '%40', '@' unless token
  while true
    response = throttle_request(http, request)
    case response.code.to_i
    when 200 
      begin
        return JSON.parse(response.body)
      rescue JSON::ParserError
        return response.body
      end
    when 400
      raise StandardError, "HTTP 400 Error - The request was incorrect."
    when 401
      raise StandardError, "HTTP 401 Error - Authentication is required, and has failed, or has not yet been provided."
    when 403
      raise StandardError, "HTTP 403 Error - The request was valid, but for something that is forbidden."
    when 404
      raise StandardError, "HTTP 404 Error - The requested resource could not be found."
    when 429
      puts("Encountered 429 - retry after #{retry_after_secs}")
      sleep(retry_after_secs)
      retry_after_secs *= Todoist::Config.retry_time
    when 500
      raise StandardError, "HTTP 500 Error - The request failed due to a server error."
    when 503
      raise StandardError, "HTTP 503 Error - The server is currently unable to handle the request."
    end
  end
  
end

#get_sync_response(params) ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 130

def get_sync_response(params)
  get_response(Config::TODOIST_SYNC_COMMAND, params)
end

#multipart_file(file) ⇒ Object

Prepares a file for multipart upload



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# File 'lib/todoist/util/network_helper.rb', line 103

def multipart_file(file)
    filename = File.basename(file)
    mime_type = MimeMagic.by_path(filename).type
    return UploadIO.new(file, mime_type, filename)
end

#queue(command, callback = nil) ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 109

def queue(command, callback = nil) 
  @command_mutex.synchronize do
    @command_cache.push(command)
    @temp_id_callback_cache.push(callback) if callback
  end
  
end

#sync ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 117

def sync
  @command_mutex.synchronize do    
    response = get_sync_response({commands: @command_cache.to_json})
    @command_cache.clear
    # Process callbacks here
    temp_id_mappings = response["temp_id_mapping"]
    @temp_id_callback_cache.each do |callback| 
        callback.(temp_id_mappings)
    end
    @temp_id_callback_cache.clear
  end
end

#throttle_request(http, request) ⇒ Object 



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# File 'lib/todoist/util/network_helper.rb', line 90

def throttle_request(http, request)
  time_since_last_request = Time.now.to_f - @last_request_time
  
  if (time_since_last_request < Todoist::Config.delay_between_requests)
    wait = Todoist::Config.delay_between_requests - time_since_last_request
    puts("Throttling request by: #{wait}")
    sleep(wait)
  end
  @last_request_time = Time.now.to_f
  http.request(request)
end