Add option to hide balances <=0 from baltop (#4226)

Co-authored-by: Josh Roy <10731363+JRoy@users.noreply.github.com>

Essentials/src/main/java/com/earth2me/essentials/ISettings.java

@@ -379,6 +379,8 @@ public interface ISettings extends IConf {
 
     boolean isUpdateCheckEnabled();
 
+    boolean showZeroBaltop();
+
     enum KeepInvPolicy {
         KEEP,
         DELETE,

Essentials/src/main/java/com/earth2me/essentials/Settings.java

@@ -1858,4 +1858,9 @@ public boolean isRespawnAtBed() {
     public boolean isUpdateCheckEnabled() {
         return config.getBoolean("update-check", true);
     }
+
+    @Override
+    public boolean showZeroBaltop() {
+        return config.getBoolean("show-zero-baltop", true);
+    }
 }

Essentials/src/main/java/com/earth2me/essentials/commands/Commandbalancetop.java

@@ -8,6 +8,7 @@
 import net.essentialsx.api.v2.services.BalanceTop;
 import org.bukkit.Server;
 
+import java.math.BigDecimal;
 import java.text.DateFormat;
 import java.util.Calendar;
 import java.util.Collections;
@@ -103,7 +104,9 @@ public void run() {
                     newCache.getLines().add(tl("serverTotal", NumberUtil.displayCurrency(ess.getBalanceTop().getBalanceTopTotal(), ess)));
                     int pos = 1;
                     for (final Map.Entry<UUID, BalanceTop.Entry> entry : ess.getBalanceTop().getBalanceTopCache().entrySet()) {
-                        newCache.getLines().add(tl("balanceTopLine", pos, entry.getValue().getDisplayName(), NumberUtil.displayCurrency(entry.getValue().getBalance(), ess)));
+                        if (ess.getSettings().showZeroBaltop() || entry.getValue().getBalance().compareTo(BigDecimal.ZERO) <= 0) {
+                            newCache.getLines().add(tl("balanceTopLine", pos, entry.getValue().getDisplayName(), NumberUtil.displayCurrency(entry.getValue().getBalance(), ess)));
+                        }
                         pos++;
                     }
                     cache = newCache;

Essentials/src/main/resources/config.yml

@@ -781,6 +781,11 @@ minimum-pay-amount: 0.001
 # Enable this to block users who try to /pay another user which ignore them.
 pay-excludes-ignore-list: false
 
+# Whether or not users with a balance less than or equal to $0 should be shown in balance-top.
+# Setting to false will not show people with balances <= 0 in balance-top.
+# NOTE: After reloading the config, you must also run '/baltop force' for this to appear
+show-zero-baltop: true
+
 # The format of currency, excluding symbols. See currency-symbol-format-locale for symbol configuration.
 #
 # "#,##0.00" is how the majority of countries display currency.