Dev/chroma overhaul

src/main/java/space/yurisi/universecorev2/model/profile/Profile.java

@@ -0,0 +1,16 @@
+package space.yurisi.universecorev2.model.profile;
+
+import org.jetbrains.annotations.NotNull;
+import space.yurisi.universecorev2.model.user.UserId;
+
+import java.util.UUID;
+
+public record Profile(
+        @NotNull UserId id,
+        @NotNull UUID mcUuid,
+        @NotNull String name
+) {
+    public Profile withName(String newName) {
+        return new Profile(id, mcUuid, newName);
+    }
+}

src/main/java/space/yurisi/universecorev2/model/user/User.java

@@ -0,0 +1,10 @@
+package space.yurisi.universecorev2.model.user;
+
+import org.jetbrains.annotations.NotNull;
+import space.yurisi.universecorev2.model.wallet.WalletId;
+
+public record User(
+        @NotNull UserId id,
+        @NotNull WalletId walletId
+) {
+}

src/main/java/space/yurisi/universecorev2/model/user/UserId.java

@@ -0,0 +1,10 @@
+package space.yurisi.universecorev2.model.user;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+public record UserId(
+        @NotNull UUID value
+) {
+}

src/main/java/space/yurisi/universecorev2/model/wallet/Balance.java

@@ -0,0 +1,44 @@
+package space.yurisi.universecorev2.model.wallet;
+
+/**
+ * 金額を表すための値オブジェクト
+ */
+public record Balance(long value) {
+    public final static long MAX = 1_000_000_000L;
+
+    /**
+     * 用途に応じて {@link Balance#maybe(long)} か {@link Balance#must(long)} を代わりに使用してください
+     * @see Balance#must(long)
+     * @see Balance#maybe(long)
+     */
+    public Balance {
+        if (isOutOfRange(value)) {
+            throw new IllegalArgumentException("値が範囲外です");
+        }
+    }
+
+    private static boolean isOutOfRange(long value) {
+        return (value < 0 || MAX < value);
+    }
+
+    public static Balance must(long value) {
+        return new Balance(value);
+    }
+
+    public static BalanceResult maybe(long value) {
+        if (isOutOfRange(value)) {
+            return new BalanceResult.Err();
+        }
+
+        return new BalanceResult.Ok(new Balance(value));
+    }
+
+    public BalanceResult add(TransactionDelta delta) {
+        return maybe(value + delta.value());
+    }
+
+
+    public BalanceResult subtract(TransactionDelta delta) {
+        return maybe(value - delta.value());
+    }
+}

src/main/java/space/yurisi/universecorev2/model/wallet/BalanceResult.java

@@ -0,0 +1,6 @@
+package space.yurisi.universecorev2.model.wallet;
+
+public sealed interface BalanceResult {
+    record Ok(Balance balance) implements BalanceResult {}
+    record Err() implements BalanceResult {}
+}

src/main/java/space/yurisi/universecorev2/model/wallet/History.java

@@ -0,0 +1,14 @@
+package space.yurisi.universecorev2.model.wallet;
+
+import org.jetbrains.annotations.NotNull;
+import space.yurisi.universecorev2.model.user.UserId;
+
+import java.util.Date;
+
+public record History(
+        @NotNull WalletId id,
+        @NotNull Long delta,
+        @NotNull String reason,
+        @NotNull Date timestamp
+) {
+}

src/main/java/space/yurisi/universecorev2/model/wallet/TransactionDelta.java

@@ -0,0 +1,37 @@
+package space.yurisi.universecorev2.model.wallet;
+
+import java.util.Optional;
+
+/**
+ * 0より大きい金額を表すための値オブジェクト
+ */
+public record TransactionDelta(long value) {
+    /**
+     * 用途に応じて {@link TransactionDelta#maybe(long)} か {@link TransactionDelta#must(long)} を代わりに使用すること
+     * @see TransactionDelta#must(long)
+     * @see TransactionDelta#maybe(long)
+     */
+    public TransactionDelta {
+        if (value <= 0) {
+            throw new IllegalArgumentException("取引量は0以上である必要があります");
+        }
+    }
+
+    /**
+     * 範囲に収まる保証がある場合に{@link TransactionDelta}を得る
+     */
+    public static TransactionDelta must(long value) {
+        return new TransactionDelta(value);
+    }
+
+    /**
+     * 範囲に収まる保証がないときでも安全に{@link TransactionDelta}を得る
+     */
+    public static Optional<TransactionDelta> maybe(long value) {
+        if (value <= 0) {
+            return Optional.empty();
+        }
+
+        return Optional.of(new TransactionDelta(value));
+    }
+}

src/main/java/space/yurisi/universecorev2/model/wallet/Wallet.java

@@ -0,0 +1,30 @@
+package space.yurisi.universecorev2.model.wallet;
+
+import org.jetbrains.annotations.NotNull;
+import space.yurisi.universecorev2.model.user.UserId;
+
+import java.util.UUID;
+
+/**
+ * ユーザーの所持金を表すレコード
+ * @param id
+ * @param balance
+ */
+public record Wallet(
+        @NotNull WalletId id,
+        @NotNull Balance balance
+) {
+    public WalletResult withdraw(TransactionDelta delta) {
+        return switch (balance.subtract(delta)) {
+            case BalanceResult.Ok(Balance newBalance) -> new WalletResult.Ok(new Wallet(id, newBalance));
+            case BalanceResult.Err() -> new WalletResult.Err("残高不足");
+        };
+    }
+
+    public WalletResult deposit(TransactionDelta delta) {
+        return switch (balance.add(delta)) {
+            case BalanceResult.Ok(Balance newBalance) -> new WalletResult.Ok(new Wallet(id, newBalance));
+            case BalanceResult.Err() -> new WalletResult.Err("上限超過");
+        };
+    }
+}

src/main/java/space/yurisi/universecorev2/model/wallet/WalletId.java

@@ -0,0 +1,10 @@
+package space.yurisi.universecorev2.model.wallet;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+public record WalletId(
+        @NotNull UUID value
+) {
+}

src/main/java/space/yurisi/universecorev2/model/wallet/WalletResult.java

@@ -0,0 +1,6 @@
+package space.yurisi.universecorev2.model.wallet;
+
+public sealed interface WalletResult {
+    record Ok(Wallet wallet) implements WalletResult {}
+    record Err(String reason) implements WalletResult {}
+}

src/main/java/space/yurisi/universecorev2/repository/ProfileRepository.java

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+package space.yurisi.universecorev2.repository;
+
+import org.jetbrains.annotations.NotNull;
+import space.yurisi.universecorev2.model.profile.Profile;
+import space.yurisi.universecorev2.model.user.UserId;
+
+import java.util.Optional;
+import java.util.UUID;
+
+public interface ProfileRepository {
+    void create(@NotNull Profile user);
+    Optional<Profile> findByMinecraftId(@NotNull UserId id);
+    Optional<Profile> findByMinecraftId(@NotNull UUID mcUuid);
+    void update(@NotNull Profile user);
+    void delete(@NotNull UserId id);
+}

src/main/java/space/yurisi/universecorev2/repository/WalletHistoryRepository.java

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+package space.yurisi.universecorev2.repository;
+
+import space.yurisi.universecorev2.model.user.UserId;
+import space.yurisi.universecorev2.model.wallet.History;
+
+import java.util.Date;
+
+public interface WalletHistoryRepository {
+    void create(History history);
+    History[] findLatestWithLimit(UserId userId, Date since, int limit);
+    History[] findAfterWithLimit(UserId userId, Date since, int limit);
+    History[] findBeforeWithLimit(UserId userId, Date until, int limit);
+}

src/main/java/space/yurisi/universecorev2/repository/WalletRepository.java

@@ -0,0 +1,14 @@
+package space.yurisi.universecorev2.repository;
+
+import org.jetbrains.annotations.NotNull;
+import space.yurisi.universecorev2.model.user.UserId;
+import space.yurisi.universecorev2.model.wallet.Wallet;
+
+import java.util.Optional;
+
+public interface WalletRepository {
+    void create(@NotNull Wallet user);
+    Optional<Wallet> find(@NotNull UserId id);
+    void update(@NotNull Wallet wallet);
+    void delete(@NotNull UserId id);
+}