refactor: Улучшено качество кода MEDIUM приоритета

- Вынесены magic numbers в константы в TimeUtil
  SECONDS_PER_MINUTE, MINUTES_PER_HOUR, HOURS_PER_DAY, DAYS_PER_MONTH, MONTHS_PER_YEAR
- Вынесены magic numbers слотов GUI в константы ReportGui
  SLOT_PREV_PAGE, SLOT_CLOSE, SLOT_PAGE_INFO, SLOT_NEXT_PAGE
- Обновлен GuiClickListener для использования констант из ReportGui
- Добавлена константа MAX_RECENT_REPORTS в ReportStatsCommand
- Добавлена проверка границ pageSize в PaginationUtil

src/main/java/dev/loki/lorep/command/ReportStatsCommand.java

@@ -11,6 +11,8 @@ import java.util.List;
 
 public class ReportStatsCommand {
 
+    private static final int MAX_RECENT_REPORTS = 5;
+
     private final LorepPlugin plugin;
     
     public ReportStatsCommand(LorepPlugin plugin) {
@@ -55,7 +57,7 @@ public class ReportStatsCommand {
 
         // Recent reports (max 5)
         player.sendMessage("§7Последние репорты:");
-        int shown = Math.min(5, reports.size());
+        int shown = Math.min(MAX_RECENT_REPORTS, reports.size());
         for (int i = 0; i < shown; i++) {
             Report report = reports.get(i);
             String timeAgo = TimeUtil.formatTimeAgo(report.createdAt().toEpochMilli());
@@ -64,8 +66,8 @@ public class ReportStatsCommand {
                 "%time%", timeAgo));
         }
 
-        if (reports.size() > 5) {
+        if (reports.size() > MAX_RECENT_REPORTS) {
-            player.sendMessage("§7... и ещё " + (reports.size() - 5) + " репортов");
+            player.sendMessage("§7... и ещё " + (reports.size() - MAX_RECENT_REPORTS) + " репортов");
         }
     }
 }

src/main/java/dev/loki/lorep/gui/GuiClickListener.java

@@ -30,17 +30,14 @@ public class GuiClickListener implements Listener {
         
         int slot = event.getRawSlot();
 
-        // Navigation buttons are in bottom row (slots 45-53)
+        // Navigation buttons are in bottom row
-        switch (slot) {
+        if (slot == ReportGui.SLOT_PREV_PAGE) {
-            case 45 -> { // Previous page
             if (gui.getPage() > 0) {
                 new ReportGui(plugin, gui.getPage() - 1).open(player);
             }
-            }
+        } else if (slot == ReportGui.SLOT_CLOSE) {
-            case 47 -> { // Close
             player.closeInventory();
-            }
+        } else if (slot == ReportGui.SLOT_NEXT_PAGE) {
-            case 53 -> { // Next page
             int totalReports = plugin.getDatabaseManager().getTotalReportCount();
             int totalPages = PaginationUtil.calculateTotalPages(totalReports, ReportGui.PAGE_SIZE);
             if (gui.getPage() < totalPages - 1) {
@@ -48,7 +45,6 @@ public class GuiClickListener implements Listener {
             }
         }
     }
-    }
     
     @EventHandler
     public void onInventoryDrag(InventoryDragEvent event) {

src/main/java/dev/loki/lorep/gui/ReportGui.java

@@ -20,6 +20,11 @@ public class ReportGui implements InventoryHolder {
     public static final int PAGE_SIZE = 45; // 5 rows for reports
     public static final int INVENTORY_SIZE = 54; // 6 rows total
 
+    public static final int SLOT_PREV_PAGE = 45;
+    public static final int SLOT_CLOSE = 47;
+    public static final int SLOT_PAGE_INFO = 49;
+    public static final int SLOT_NEXT_PAGE = 53;
+
     private final LorepPlugin plugin;
     private final int page;
     private Inventory inventory;
@@ -79,7 +84,7 @@ public class ReportGui implements InventoryHolder {
     private void addNavigationButtons(int totalReports) {
         int totalPages = (int) Math.ceil((double) totalReports / PAGE_SIZE);
 
-        // Previous page button (slot 45)
+        // Previous page button
         if (page > 0) {
             ItemStack prevButton = new ItemStack(Material.ARROW);
             ItemMeta prevMeta = prevButton.getItemMeta();
@@ -87,10 +92,10 @@ public class ReportGui implements InventoryHolder {
                 prevMeta.setDisplayName("§a← Предыдущая страница");
                 prevButton.setItemMeta(prevMeta);
             }
-            inventory.setItem(45, prevButton);
+            inventory.setItem(SLOT_PREV_PAGE, prevButton);
         }
 
-        // Page info (slot 49)
+        // Page info
         ItemStack pageInfo = new ItemStack(Material.PAPER);
         ItemMeta pageMeta = pageInfo.getItemMeta();
         if (pageMeta != null) {
@@ -100,9 +105,9 @@ public class ReportGui implements InventoryHolder {
             pageMeta.setLore(lore);
             pageInfo.setItemMeta(pageMeta);
         }
-        inventory.setItem(49, pageInfo);
+        inventory.setItem(SLOT_PAGE_INFO, pageInfo);
 
-        // Next page button (slot 53)
+        // Next page button
         if (page < totalPages - 1) {
             ItemStack nextButton = new ItemStack(Material.ARROW);
             ItemMeta nextMeta = nextButton.getItemMeta();
@@ -110,17 +115,17 @@ public class ReportGui implements InventoryHolder {
                 nextMeta.setDisplayName("§aСледующая страница →");
                 nextButton.setItemMeta(nextMeta);
             }
-            inventory.setItem(53, nextButton);
+            inventory.setItem(SLOT_NEXT_PAGE, nextButton);
         }
 
-        // Close button (slot 47)
+        // Close button
         ItemStack closeButton = new ItemStack(Material.BARRIER);
         ItemMeta closeMeta = closeButton.getItemMeta();
         if (closeMeta != null) {
             closeMeta.setDisplayName("§cЗакрыть");
             closeButton.setItemMeta(closeMeta);
         }
-        inventory.setItem(47, closeButton);
+        inventory.setItem(SLOT_CLOSE, closeButton);
     }
     
     public int getPage() {

src/main/java/dev/loki/lorep/util/TimeUtil.java

@@ -5,6 +5,12 @@ import java.time.Instant;
 
 public class TimeUtil {
 
+    private static final long SECONDS_PER_MINUTE = 60;
+    private static final long MINUTES_PER_HOUR = 60;
+    private static final long HOURS_PER_DAY = 24;
+    private static final long DAYS_PER_MONTH = 30;
+    private static final long MONTHS_PER_YEAR = 12;
+
     public static String formatTimeAgo(long epochMillis) {
         return formatTimeAgo(Instant.ofEpochMilli(epochMillis));
     }
@@ -14,52 +20,52 @@ public class TimeUtil {
 
         long seconds = duration.getSeconds();
 
-        if (seconds < 60) {
+        if (seconds < SECONDS_PER_MINUTE) {
             return seconds + " сек. назад";
         }
 
-        long minutes = seconds / 60;
+        long minutes = seconds / SECONDS_PER_MINUTE;
-        if (minutes < 60) {
+        if (minutes < MINUTES_PER_HOUR) {
             return minutes + " мин. назад";
         }
 
-        long hours = minutes / 60;
+        long hours = minutes / MINUTES_PER_HOUR;
-        if (hours < 24) {
+        if (hours < HOURS_PER_DAY) {
             return hours + " ч. назад";
         }
 
-        long days = hours / 24;
+        long days = hours / HOURS_PER_DAY;
-        if (days < 30) {
+        if (days < DAYS_PER_MONTH) {
             return days + " дн. назад";
         }
 
-        long months = days / 30;
+        long months = days / DAYS_PER_MONTH;
-        if (months < 12) {
+        if (months < MONTHS_PER_YEAR) {
             return months + " мес. назад";
         }
 
-        long years = months / 12;
+        long years = months / MONTHS_PER_YEAR;
         return years + " г. назад";
     }
 
     public static String formatDuration(Duration duration) {
         long seconds = duration.getSeconds();
 
-        if (seconds < 60) {
+        if (seconds < SECONDS_PER_MINUTE) {
             return seconds + " секунд";
         }
 
-        long minutes = seconds / 60;
+        long minutes = seconds / SECONDS_PER_MINUTE;
-        if (minutes < 60) {
+        if (minutes < MINUTES_PER_HOUR) {
             return minutes + " минут";
         }
 
-        long hours = minutes / 60;
+        long hours = minutes / MINUTES_PER_HOUR;
-        if (hours < 24) {
+        if (hours < HOURS_PER_DAY) {
             return hours + " часов";
         }
 
-        long days = hours / 24;
+        long days = hours / HOURS_PER_DAY;
         return days + " дней";
     }
 }