feat: add currency interface

api/src/main/java/dev/xhyrom/lighteco/api/model/currency/Currency.java

@@ -0,0 +1,40 @@
+package dev.xhyrom.lighteco.api.model.currency;
+
+public interface Currency<T> {
+    String getIdentifier();
+
+    /**
+     * Get the type of the currency, either {@link Type#EXCLUSIVE} or {@link Type#GLOBAL}
+     *
+     * @see Type
+     * @return The type of the currency
+     */
+    Type getType();
+
+    boolean isPayable();
+
+    /**
+     * Calculate the tax for the given amount
+     * Used for payables
+     *
+     * @param amount The amount to calculate the tax for
+     * @return The tax
+     */
+    default double calculateTax(T amount) {
+        return 0;
+    };
+
+    /**
+     * Represents the type of currency
+     */
+    enum Type {
+        /**
+         * A currency that is only available on a single server
+         */
+        EXCLUSIVE,
+        /**
+         * A currency that is available on all servers (proxy)
+         */
+        GLOBAL;
+    }
+}

api/src/main/java/dev/xhyrom/lighteco/api/platform/PlayerAdapter.java

@@ -6,5 +6,7 @@ import org.checkerframework.checker.nullness.qual.NonNull;
 import java.util.concurrent.CompletableFuture;
 
 public interface PlayerAdapter<T> {
-    @NonNull CompletableFuture<User> getUser(@NonNull T player);
+    @NonNull User getUser(@NonNull T player);
+
+    @NonNull CompletableFuture<User> loadUser(@NonNull T player);
 }

api/src/main/java/dev/xhyrom/lighteco/api/storage/StorageProvider.java

@@ -8,7 +8,7 @@ import java.util.UUID;
 public interface StorageProvider {
     @NonNull String[] getIdentifiers();
 
-    @NonNull User loadUser(@NonNull UUID uniqueId) throws Exception;
+    @NonNull User loadUser(@NonNull UUID uniqueId);
     // todo: look at this
-    void saveUser(@NonNull User user) /*throws Exception;*/;
+    void saveUser(@NonNull User user);
 }

common/src/main/java/dev/xhyrom/lighteco/common/api/impl/ApiPlayerAdapter.java

@@ -19,7 +19,19 @@ public class ApiPlayerAdapter<T> implements PlayerAdapter<T> {
     }
 
     @Override
-    public @NonNull CompletableFuture<User> getUser(@NonNull T player) {
+    public @NonNull User getUser(@NonNull T player) {
+        UUID uniqueId = contextManager.getPlayerUniqueId(player);
+        User user = userManager.getUser(uniqueId);
+
+        if (user == null) {
+            throw new IllegalStateException("User is not loaded");
+        }
+
+        return user;
+    }
+
+    @Override
+    public @NonNull CompletableFuture<User> loadUser(@NonNull T player) {
         UUID uniqueId = contextManager.getPlayerUniqueId(player);
         boolean loaded = userManager.isLoaded(uniqueId);
 

common/src/main/java/dev/xhyrom/lighteco/common/storage/provider/memory/MemoryStorageProvider.java

@@ -16,12 +16,12 @@ public class MemoryStorageProvider implements StorageProvider {
     }
 
     @Override
-    public @NonNull User loadUser(@NonNull UUID uniqueId) throws Exception {
+    public @NonNull User loadUser(@NonNull UUID uniqueId) {
         return users.get(uniqueId);
     }
 
     @Override
-    public void saveUser(@NonNull User user) throws Exception {
+    public void saveUser(@NonNull User user) {
         users.put(user.getUniqueId(), user);
     }
 }