Fix: JSON::ParserError (MAYBE-MARKETING-3J)

app/controllers/stocks/statistics_controller.rb

@@ -16,15 +16,24 @@ def show
 
     @stock_statistics = Rails.cache.fetch("stock_statistics/v2/#{@stock.symbol}:#{@stock.mic_code}", expires_in: 24.hours) do
       headers = {
-      "Content-Type" => "application/json",
-      "Authorization" => "Bearer #{ENV['SYNTH_API_KEY']}",
-      "X-Source" => "maybe_marketing",
+        "Content-Type" => "application/json",
+        "Authorization" => "Bearer #{ENV['SYNTH_API_KEY']}",
+        "X-Source" => "maybe_marketing",
         "X-Source-Type" => "api"
       }
 
       response = Faraday.get("https://api.synthfinance.com/tickers/#{@stock.symbol}?mic_code=#{@stock.mic_code}", nil, headers)
-      parsed_data = JSON.parse(response.body)["data"]
-      parsed_data && parsed_data["market_data"] ? parsed_data["market_data"] : nil
+
+      if response.success? && !response.body.empty?
+        begin
+          parsed_data = JSON.parse(response.body)["data"]
+          parsed_data && parsed_data["market_data"] ? parsed_data["market_data"] : nil
+        rescue JSON::ParserError
+          nil
+        end
+      else
+        nil
+      end
     end
   end
 end