make price a Double (#130)

Author: rberrelleza

rent/src/main/java/com/okteto/rent/controller/RentController.java

@@ -34,11 +34,11 @@ Map<String, String> healthz() {
     @PostMapping(path= "/rent", consumes = "application/json", produces = "application/json")
     List<String> rent(@RequestBody Rent rentInput) {
         String catalogID = rentInput.getMovieID();
-        String price = rentInput.getPrice();
+        Double price = rentInput.getPrice();
 
         logger.info("Rent [{},{}] received", catalogID, price);
 
-        kafkaTemplate.send(KAFKA_TOPIC_RENTALS, catalogID, price)
+        kafkaTemplate.send(KAFKA_TOPIC_RENTALS, catalogID, price.toString())
         .thenAccept(result -> logger.info("Message [{}] delivered with offset {}",
                         catalogID,
                         result.getRecordMetadata().offset()))
@@ -72,7 +72,7 @@ public Map<String, String> returnMovie(@RequestBody ReturnRequest returnRequest)
     public static class Rent {
         @JsonProperty("catalog_id")
         private String movieID;
-        private String price;
+        private Double price;
 
         public void setMovieID(String movieID) {
             this.movieID = movieID;
@@ -83,11 +83,11 @@ public String getMovieID() {
         }
 
 
-        public void setPrice(String price) {
+        public void setPrice(Double price) {
             this.price = price;
         }
 
-        public String getPrice() {
+        public Double getPrice() {
             return price;
         }
     }