lib/catch_cache/cache.rb in catch_cache-0.0.2 vs lib/catch_cache/cache.rb in catch_cache-0.0.3

@@ -16,9 +16,25 @@
               cache = JSON.parse(redis.get(redis_key))
             end
 
             cache
           end
+
+          def catch_then_cache(redis_key, &block)
+            redis = Redis.new
+            val = redis.get(redis_key)
+
+            # retrieve the cache with redis_key as its key
+            cache = JSON.parse(val.blank? ? "[]" : val)
+
+            if cache.blank?
+              timeline_logs = block.call
+              redis.set(redis_key, timeline_logs.to_json)
+              cache = JSON.parse(redis.get(redis_key))
+            end
+
+            cache
+          end
         end
       end
     end
   end
 end