chore: baseline subdate2 snapshot for AI refactoring

src/engine/db/handlers/dbEnchantmentHandler.java

@@ -0,0 +1,75 @@
+// • ▌ ▄ ·.  ▄▄▄·  ▄▄ • ▪   ▄▄· ▄▄▄▄·  ▄▄▄·  ▐▄▄▄  ▄▄▄ .
+// ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
+// ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
+// ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
+// ▀▀  █▪▀▀▀ ▀  ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀  ▀  ▀ ▀▀  █▪ ▀▀▀
+//      Magicbane Emulator Project © 2013 - 2022
+//                www.magicbane.com
+
+
+package engine.db.handlers;
+
+import engine.gameManager.DbManager;
+import engine.server.MBServerStatics;
+import org.pmw.tinylog.Logger;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class dbEnchantmentHandler extends dbHandlerBase {
+
+    public ConcurrentHashMap<String, Integer> GET_ENCHANTMENTS_FOR_ITEM(final int id) {
+
+        ConcurrentHashMap<String, Integer> enchants = new ConcurrentHashMap<>(MBServerStatics.CHM_INIT_CAP, MBServerStatics.CHM_LOAD, MBServerStatics.CHM_THREAD_LOW);
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM `dyn_item_enchantment` WHERE `ItemID`=?;")) {
+
+            preparedStatement.setLong(1, id);
+
+            ResultSet rs = preparedStatement.executeQuery();
+
+            while (rs.next())
+                enchants.put(rs.getString("powerAction"), rs.getInt("rank"));
+
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
+
+        return enchants;
+    }
+
+    public boolean CREATE_ENCHANTMENT_FOR_ITEM(long itemID, String powerAction, int rank) {
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("INSERT INTO `dyn_item_enchantment` (`itemID`, `powerAction`, `rank`) VALUES (?, ?, ?);")) {
+
+            preparedStatement.setLong(1, itemID);
+            preparedStatement.setString(2, powerAction);
+            preparedStatement.setInt(3, rank);
+
+            return (preparedStatement.executeUpdate() > 0);
+
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
+        return false;
+    }
+
+    public boolean CLEAR_ENCHANTMENTS(long itemID) {
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("DELETE FROM `dyn_item_enchantment` WHERE `itemID`=?;")) {
+
+            preparedStatement.setLong(1, itemID);
+            return (preparedStatement.executeUpdate() > 0);
+
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
+        return false;
+    }
+}