GH-43 Transaction limit (#48)

* Add limit on the amount of money sent in one transaction.

* Update eternaleconomy-core/src/main/java/com/eternalcode/economy/command/player/MoneyTransferCommand.java

* Update message display color.

* Update message display color.

---------

Co-authored-by: Verni <vernidev@gmail.com>

Author: Rollczi

eternaleconomy-core/src/main/java/com/eternalcode/economy/EconomyBukkitPlugin.java

@@ -127,7 +127,7 @@ public void onEnable() {
                 new AdminResetCommand(accountPaymentService, noticeService),
                 new AdminBalanceCommand(noticeService, decimalFormatter),
                 new MoneyBalanceCommand(noticeService, decimalFormatter),
-                new MoneyTransferCommand(accountPaymentService, decimalFormatter, noticeService),
+                new MoneyTransferCommand(accountPaymentService, decimalFormatter, noticeService, pluginConfig),
                 new EconomyReloadCommand(configService, noticeService)
             )
 

eternaleconomy-core/src/main/java/com/eternalcode/economy/command/player/MoneyTransferCommand.java

@@ -4,6 +4,7 @@
 import com.eternalcode.economy.account.Account;
 import com.eternalcode.economy.account.AccountPaymentService;
 import com.eternalcode.economy.command.validator.notsender.NotSender;
+import com.eternalcode.economy.config.implementation.PluginConfig;
 import com.eternalcode.economy.format.DecimalFormatter;
 import com.eternalcode.economy.multification.NoticeService;
 import dev.rollczi.litecommands.annotations.argument.Arg;
@@ -21,15 +22,18 @@ public class MoneyTransferCommand {
     private final AccountPaymentService accountPaymentService;
     private final DecimalFormatter decimalFormatter;
     private final NoticeService noticeService;
+    private PluginConfig pluginConfig;
 
     public MoneyTransferCommand(
         AccountPaymentService accountPaymentService,
         DecimalFormatter decimalFormatter,
-        NoticeService noticeService
+        NoticeService noticeService,
+        PluginConfig pluginConfig
     ) {
         this.accountPaymentService = accountPaymentService;
         this.decimalFormatter = decimalFormatter;
         this.noticeService = noticeService;
+        this.pluginConfig = pluginConfig;
     }
 
     @Execute
@@ -45,6 +49,16 @@ void execute(@Context Account payer, @Arg @NotSender Account receiver, @Arg @Pos
             return;
         }
 
+        if (amount.compareTo(this.pluginConfig.transactionLimit) > 0) {
+            this.noticeService.create()
+                .notice(notice -> notice.player.transferLimit)
+                .placeholder("{LIMIT}", this.decimalFormatter.format(this.pluginConfig.transactionLimit))
+                .player(payer.uuid())
+                .send();
+
+            return;
+        }
+
         this.accountPaymentService.payment(payer, receiver, amount);
 
         this.noticeService.create()

eternaleconomy-core/src/main/java/com/eternalcode/economy/config/implementation/PluginConfig.java

@@ -20,6 +20,9 @@ public class PluginConfig extends OkaeriConfig {
     @Comment("Default balance for new accounts")
     public BigDecimal defaultBalance = BigDecimal.valueOf(0.0);
 
+    @Comment("Limit on the amount of money sent in one transaction")
+    public BigDecimal transactionLimit = BigDecimal.valueOf(1_000_000_000.0);
+
     public static class Units extends OkaeriConfig {
 
         public List<DecimalUnit> format = Arrays.asList(

eternaleconomy-core/src/main/java/com/eternalcode/economy/config/implementation/messages/MessagesPlayerSubSection.java

@@ -27,4 +27,6 @@ public class MessagesPlayerSubSection extends OkaeriConfig {
     public Notice transferReceived = Notice.chat("<b><gradient:#00FFA2:#34AE00>ECONOMY</gradient></b> "
         + "<dark_gray>➤</dark_gray> <white>Received <gradient:#00FFA2:#34AE00>{AMOUNT}</gradient> from "
         + "<gradient:#00FFA2:#34AE00>{PLAYER}</gradient>.</white>");
+    public Notice transferLimit = Notice.chat("<b><gradient:#00FFA2:#34AE00>ECONOMY</gradient></b> <dark_gray>➤</dark_gray>"
+        + " <white>Transaction limit is <gradient:#00FFA2:#34AE00>{LIMIT}</gradient>.</white>");
 }