Remove Multiple Kits with same Name

SpigotCore_Main/src/de/steamwar/sql/PersonalKit.java

@@ -31,7 +31,6 @@ import java.util.Objects;
 
 public class PersonalKit {
 
-    private final int kitID;
     private final int userID;
     private String name;
     private final String gamemode;
@@ -40,7 +39,6 @@ public class PersonalKit {
     private boolean inUse;
 
     private PersonalKit(ResultSet rs) throws SQLException {
-        kitID = rs.getInt("KitID");
         userID = rs.getInt("UserID");
         gamemode = rs.getString("GameMode");
         inventory = rs.getString("Inventory");
@@ -61,27 +59,21 @@ public class PersonalKit {
         }
     }
 
-    public static List<PersonalKit> get(int userID, String gamemode, String name) {
+    public static PersonalKit get(int userID, String gamemode, String name) {
         ResultSet rs = SQL.select("SELECT * FROM PersonalKit WHERE UserID = ? AND GameMode = ? AND Name = ?", userID, gamemode, name);
         try {
-            List<PersonalKit> list = new ArrayList<>();
-            while (rs.next())
-                list.add(new PersonalKit(rs));
-            return list;
+            if(!rs.next())
+                return null;
+            return new PersonalKit(rs);
         } catch (SQLException e) {
             throw new SecurityException("Failed loading personal kit", e);
         }
     }
 
-    public static void create(int userID, String gamemode, String name, ItemStack[] inventory, ItemStack[] armor){
-        YamlConfiguration inventoryConfig = new YamlConfiguration();
-        inventoryConfig.set("Inventory", inventory);
-
-        YamlConfiguration armorConfig = new YamlConfiguration();
-        armorConfig.set("Armor", armor);
-
-        SQL.update("INSERT INTO PersonalKit (UserID, GameMode, Name, Inventory, Armor) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE Inventory = VALUES(Inventory), Armor = VALUES(Armor)",
-                userID, gamemode, name, inventoryConfig.saveToString(), armorConfig.saveToString());
+    public static PersonalKit create(int userID, String gamemode, String name, ItemStack[] inventory, ItemStack[] armor){
+        SQL.update("INSERT INTO PersonalKit (UserID, GameMode, Name, Inventory, Armor) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE Inventory = VALUES(Inventory), Armor = VALUES(Armor), Name = VALUES(name)",
+                userID, gamemode, name, getInventoryConfig(inventory), getArmorConfig(armor));
+        return get(userID, gamemode, name);
     }
 
     public static PersonalKit getKitInUse(int userID, String gamemode) {
@@ -103,6 +95,17 @@ public class PersonalKit {
         }
     }
 
+    public static boolean nameInUse(int userID, String gamemode, String name) {
+        ResultSet set = SQL.select("SELECT COUNT(*) AS Count FROM PersonalKit WHERE UserID = ? AND GameMode = ? AND Name = ?", userID, gamemode, name);
+        try {
+            if(!set.next())
+                return true;
+            return set.getInt("Count") > 0;
+        } catch (SQLException e) {
+            throw new SecurityException("Failed loading personal kit", e);
+        }
+    }
+
     public ItemStack[] getInventory(){
         YamlConfiguration config = YamlConfiguration.loadConfiguration(new StringReader(inventory));
         return Objects.requireNonNull(config.getList("Inventory")).toArray(new ItemStack[0]);
@@ -131,31 +134,44 @@ public class PersonalKit {
 
     public void setInUse(boolean inUse) {
         this.inUse = inUse;
-        SQL.update("UPDATE PersonalKit SET InUse = ? WHERE KitID = ?", this.inUse, kitID);
+        updateDB();
     }
 
     public void setName(String name) {
         this.name = name;
-        SQL.update("UPDATE PersonalKit SET Name = ? WHERE KitID = ?", this.name, kitID);
+        updateDB();
     }
 
     public void setInventory(ItemStack[] inventory) {
-        YamlConfiguration inventoryConfig = new YamlConfiguration();
-        inventoryConfig.set("Inventory", inventory);
-
-        this.inventory = inventoryConfig.saveToString();
-        SQL.update("UPDATE PersonalKit SET Inventory = ? WHERE KitID = ?", this.inventory, kitID);
+        this.inventory = getInventoryConfig(inventory);
+        updateDB();
     }
 
     public void setArmor(ItemStack[] armor) {
-        YamlConfiguration armorConfig = new YamlConfiguration();
-        armorConfig.set("Armor", armor);
-
-        this.armor = armorConfig.saveToString();
-        SQL.update("UPDATE PersonalKit SET Armor = ? WHERE KitID = ?", this.armor, kitID);
+        this.armor = getArmorConfig(armor);
+        updateDB();
     }
 
     public void delete() {
-        SQL.update("DELETE FROM `PersonalKit` WHERE KitID = ?", kitID);
+        SQL.update("DELETE FROM `PersonalKit` WHERE KitID = ?");
+    }
+
+    private static String getInventoryConfig(ItemStack[] inventory) {
+        YamlConfiguration inventoryConfig = new YamlConfiguration();
+        inventoryConfig.set("Inventory", inventory);
+
+        return inventoryConfig.saveToString();
+    }
+
+    private static String getArmorConfig(ItemStack[] armor) {
+        YamlConfiguration armorConfig = new YamlConfiguration();
+        armorConfig.set("Armor", armor);
+
+        return armorConfig.saveToString();
+    }
+
+    private void updateDB() {
+        SQL.update("INSERT INTO PersonalKit (UserID, GameMode, Name, Inventory, Armor, InUse) VALUES (?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE Inventory = VALUES(Inventory), Armor = VALUES(Armor), Name = VALUES(Name), InUse = VALUES(InUse)",
+            userID, gamemode, name, inventory, armor, inUse);
     }
 }