tmdb.rb in ruby-tmdb-0.0.21

- old
+ new

@@ -1,10 +1,11 @@
 class Tmdb
   
   require 'net/http'
   require 'uri'
   require 'cgi'
+  require 'yaml'
   
   @@api_key = ""
   @@api_response = {}
   
   def self.api_key
@@ -18,9 +19,10 @@
   def self.base_api_url
     "http://api.themoviedb.org/2.1/"
   end
   
   def self.api_call(method, data, language = "en")
+    raise ArgumentError, "Tmdb.api_key must be set before using the API" if(Tmdb.api_key.nil? || Tmdb.api_key.empty?)
     url = Tmdb.base_api_url + method + '/' + language + '/yaml/' + Tmdb.api_key + '/' + CGI::escape(data.to_s)
     response = @@api_response[url] ||= begin
       Tmdb.get_url(url)
     end
     if(response.code.to_i != 200)
\ No newline at end of file