[chuni] Update rating calculation

src/main/java/icu/samnyan/aqua/sega/util/VersionInfo.java

@@ -0,0 +1,17 @@
+package icu.samnyan.aqua.sega.util;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @author sam_nya (privateamusement@protonmail.com)
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class VersionInfo {
+    private Integer majorVersion;
+    private Integer minorVersion;
+    private Integer releaseVersion;
+}

src/main/java/icu/samnyan/aqua/sega/util/VersionUtil.java

@@ -2,6 +2,26 @@ package icu.samnyan.aqua.sega.util;
 
 public class VersionUtil {
 
+    public static VersionInfo parseVersion(String version) {
+        var vs = version.split("\\.");
+        try {
+            VersionInfo v = new VersionInfo();
+            if (vs.length > 0) {
+                v.setMajorVersion(Integer.parseInt(vs[0]));
+            }
+            if (vs.length > 1) {
+                v.setMinorVersion(Integer.parseInt(vs[1]));
+            }
+            if (vs.length > 2) {
+                v.setReleaseVersion(Integer.parseInt(vs[2]));
+            }
+            return v;
+        } catch (Exception e) {
+            return new VersionInfo(0, 0, 0);
+        }
+
+    }
+
     public static String getTargetVersion(String savedVersion, String currentVersion) {
         var v1s = savedVersion.split("\\.");
         var v2s = currentVersion.split("\\.");