Contents

config.after_initialize do
  class ::ActionController::Base
    alias_method :original_render, :render
    def render(*args, &block)
      if args.length == 1 && args[0].kind_of?(Hash)
        hash = args.first 
        case hash[:rgviz]
        when nil then original_render *args, &block
        else
          model = hash[:rgviz]
          query = params[:tq]
          tqx = params[:tqx] || ''
          pieces = tqx.split ';'
          reqId = '0'
          version = '0.6'
          responseHandler = 'google.visualization.Query.setResponse'
          pieces.each do |p|
            key_value = p.split ':'
            if key_value.length == 2
              case key_value[0]
              when 'reqId'
                reqId = key_value[1]
              when 'version'
                version = key_value[1]
              when 'responseHandler'
                responseHandler = key_value[1]
              end
            end
          end
          
          begin
            executor = Rgviz::Executor.new model, Rgviz::Parser.new(query).parse
            table = executor.execute
            original_render :text => "#{responseHandler}({reqId:'#{reqId}',status:'ok',version:'#{version}',table:#{table.to_json}});" 
          rescue ParseException => e
            msg = e.message.gsub("'", "\\'")
            original_render :text => "#{responseHandler}({reqId:'#{reqId}',status:'error',version:'#{version}',errors:[{reason:'invalid_query', message:'#{msg}'}]});" 
          end
        end
      else
        original_render *args, &block
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rgviz-rails-0.7	rails/init.rb