Fix the bug of require file for source_schema

lib/weather-model.rb

@@ -5,10 +5,10 @@ module WeatherModel
   require 'factory_girl_rails'
   
   def self.included base
-    WeatherModel::SourceSchema.sorts.each { |sort| Object.const_set(sort, Module.new)}
-    WeatherModel::SourceSchema.constants.each do |source|
-      settings = SourceSchema.const_get(source)
-      Object.const_get(settings[:sort]).const_set("#{source.to_s.gsub('_', '::')}", Class.new(Storer::Mysql)).use_settings(settings)
+    ::WeatherModel::SourceSchema.sorts.each { |sort| ::WeatherModel.const_set(sort, Module.new)}
+    ::WeatherModel::SourceSchema.constants.each do |source|
+      settings = ::WeatherModel::SourceSchema.const_get(source)
+     ::WeatherModel.const_get(settings[:sort]).const_set(source, Class.new(Storer::Mysql)).use_settings(settings)
     end 
   end
 

lib/weather-model/source_schema.rb

 module WeatherModel
   module SourceSchema
-
+    
     def self.sorts
       [:Forecast, :AutoStation, :Aqi]
     end
 
+    Dir[File.join(File.dirname(__FILE__), 'source_schemas/*.rb')].each { |file|
+      require file
+    }
   end    
 end
-
-Dir['./lib/weather-model/source_schemas/*.rb'].each { |file|
-  require file
-}
\ No newline at end of file

lib/weather-model/source_schemas/aqi.rb

 module WeatherModel
   module SourceSchema
-    Forecast = 
+    AqiForecast = 
       {
         sort: 'Aqi',
         table_name: :aqi_forecasts,