fix npe and maybe fix null users????????

src/main/java/cc/fascinated/bat/common/UserUtils.java

@@ -0,0 +1,41 @@
+package cc.fascinated.bat.common;
+
+import cc.fascinated.bat.service.DiscordService;
+import lombok.extern.log4j.Log4j2;
+import net.dv8tion.jda.api.entities.User;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+@Log4j2
+public class UserUtils {
+    /**
+     * Gets the user with the given id
+     *
+     * @param id      the id of the user
+     * @param retries the amount of retries
+     * @return the user with the given id
+     */
+    private static User getUser(String id, int retries) {
+        if (retries >= 25) {
+            log.error("Failed to find user \"{}\" after {} retries.", id, retries);
+            return null;
+        }
+        User user = DiscordService.JDA.getUserById(id);
+        if (user == null) {
+            return getUser(id, retries + 1);
+        }
+        log.info("Found user \"{}\" after {} retries.", id, retries);
+        return user;
+    }
+
+    /**
+     * Gets the user with the given id
+     *
+     * @param id the id of the user
+     * @return the user with the given id
+     */
+    public static User getUser(String id) {
+        return getUser(id, 0);
+    }
+}