Fix: 단순 값이 추가되는 경우 V2로 사용하지 않고 V1에 필드 값을 추가(V2 삭제, V1에 percentage 값 추…

…가) (#302)

src/main/java/com/dnd/runus/presentation/v1/member/dto/response/MyProfileResponseV1.java

@@ -13,7 +13,9 @@ public record MyProfileResponseV1(
     @Schema(description = "다음 레벨 이름")
     String nextLevelName,
     @Schema(description = "다음 레벨까지 남은 거리")
-    String nextLevelKm
+    String nextLevelKm,
+    @Schema(description = "퍼센테이지값", example = "0.728")
+    double percentage
 ) {
 
     public static MyProfileResponseV1 from(MyProfileResponse myProfileResponse) {
@@ -23,7 +25,18 @@ public static MyProfileResponseV1 from(MyProfileResponse myProfileResponse) {
             Level.formatExp(myProfileResponse.currentExpMeter()),
             Level.formatLevelName(myProfileResponse.nextLevel()),
             Level.formatExp(myProfileResponse.nextLevelEndExpMeter()
-                - myProfileResponse.currentExpMeter())
+                - myProfileResponse.currentExpMeter()),
+            calPercentageValue(
+                myProfileResponse.nextLevelStartExpMeter(),
+                myProfileResponse.nextLevelEndExpMeter(),
+                myProfileResponse.currentExpMeter()
+            )
         );
     }
+
+    private static double calPercentageValue(int nextStartMeter, int nextEndExpMeter, int currentExpMeter) {
+        double leftNextLevelMeter = nextEndExpMeter - currentExpMeter;
+        double divisorMeter = nextEndExpMeter - nextStartMeter;
+        return 1 - (leftNextLevelMeter / divisorMeter);
+    }
 }