Module: ServiceNow

Defined in:
lib/version.rb,
lib/em-service-now.rb

Defined Under Namespace

Classes: ConfigException, RuntimeException

Constant Summary collapse

Version = 
VERSION = '0.3.1'

Instance Method Summary collapse

Instance Method Details

#em_service_now(type, query, records_array = nil, &block) ⇒ Object 



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# File 'lib/em-service-now.rb', line 54

def em_service_now( type, query, records_array = nil, &block )

  @service_now_inline = false

  EM::run do

    service_now( type, query, records_array, &block )
    
  end
  
end

#service_now(type, query, records_array = nil, &block) ⇒ Object 



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# File 'lib/em-service-now.rb', line 66

def service_now( type, query, records_array = nil, &block )
  
  @service_now_running = true
  
  url = nil
  
  table = query['table']
  
  case type
    
  when :getRecords, :getKeys, :getCSV
    
    return sn_query( type, query, &block )
    
  when :insert

    url = "#{@url}/#{table}.do?JSON&sysparm_action=insertMultiple"
    body = {

      'records' => records_array

    }
    
  when :update
    
    url = "#{@url}/#{table}.do?JSON" 
    url="#{url}&sysparm_action=update"
    url = sn_append_query( url, query )
    body = records_array[0]
    
  else
    
    raise ServiceNow::RuntimeException.new(
      
      "no such query type '#{type}'"
    
    )
    
  end
  
  json_body = JSON.dump(body) 
  
  @logger.debug "ServiceNow URL:#{url}" unless @logger.nil?
  
  http = EventMachine::HttpRequest.new( url ).post(
    
      sn_generate_POST_request( json_body )
    
  )
  
  http.errback do
    
    sn_on_error( url, http, &block )
    
  end
  
  http.callback do
    
    if http.response_header.status == 401
      
      #
      # Authentication failed 
      #
      ( url, json_body, &block )
              
    else
    
      sn_on_success( url, http, &block )
    
    end
    
  end
  
end

#service_now_init(config, logger = nil) ⇒ Object

Raises:



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# File 'lib/em-service-now.rb', line 13

def service_now_init( config, logger = nil )
  
  @config = {}
  @config = config unless config.nil?
  
  @logger = logger
  
  @connect_timeout = 60
  @connect_timeout = @config[:connect_timeout] unless @config[:connect_timeout].nil?
  
  @timeout = 120
  @timeout = @config[:timeout] unless @config[:timeout].nil?
  
  @username = @config[:username]
  @password = @config[:password]
  @url = @config[:url]
  
  @service_now_running = false
  
  raise ConfigException.new(
  
    "#{self.class} requires :url: and :username: and :password: configured."
  
  ) if (

    @username.nil? or @username == '' or
    @password.nil? or @password == '' or
    @url.nil? or @url == ''
    
  )
  
  #
  # Assumes already running inside an EM reactor
  # If not, call em_service_now
  # 
  @service_now_inline = true
  
  sn_get_cookies
      
end