Refactor and rename storage to Json

cmd/hub/main.go

@@ -15,15 +15,13 @@ import (
 // main is the entry point of the application
 func main() {
 	var (
-		dataPath = "data/heros.json" // store to JSON file
+		dataPath = "data/heros.json" // Path to read superheros from JSON file
 		port     = 8080              // Port to serve
-		key      = 5                 // DeeSee encryption key
-		err      error
+		key      = 5                 // Json encryption key
+		logger   = log.Default()     // Logger
+		err      error               // Error
 	)
 
-	// Create logger
-	logger := log.Default()
-
 	// Get port from environment variable
 	if os.Getenv("PORT") != "" {
 		port, err = strconv.Atoi(os.Getenv("PORT"))
@@ -54,8 +52,8 @@ func main() {
 		logger.Fatalf("Invalid data path: %s", dataPath)
 	}
 
-	// Create DeeSee storage
-	s, err := storage.New(dataPath)
+	// Create Json storage
+	s, err := storage.NewJson(dataPath)
 	if err != nil {
 		logger.Fatalf("Invalid data format: %s", dataPath)
 	}