language_detection.rb in dandelionapi-0.0.2

- old
+ new

@@ -1,5 +1,7 @@
+# encoding: UTF-8
+
 require "faraday"
 require "faraday_middleware"
 require "json"
 
 module Dandelionapi
@@ -9,9 +11,12 @@
     ENDPOINT = "/datatxt/li/v1"
 
     attr_accessor :text, :url, :html, :html_fragment, :clean
 
     def analyze(options)
+
+      raise MissingParameters.new("Please provide one of the following parameters: text, url, html or html_fragment") if ([:text, :url, :html, :html_fragment] & options.keys).empty?
+
       params = options
       call(ENDPOINT, params)
     end
 
   end
\ No newline at end of file