Add ShopDao

src/main/java/database/JdbiConfig.java

@@ -6,6 +6,7 @@ import database.maker.MakerIngredientRowMapper;
 import database.maker.MakerReagentRowMapper;
 import database.maker.MakerRecipeRowMapper;
 import database.note.NoteRowMapper;
+import database.shop.ShopItemRowMapper;
 import org.jdbi.v3.core.Jdbi;
 
 import javax.sql.DataSource;
@@ -20,6 +21,7 @@ public final class JdbiConfig {
                 .registerRowMapper(new MakerRecipeRowMapper())
                 .registerRowMapper(new MakerIngredientRowMapper())
                 .registerRowMapper(new MonsterDropRowMapper())
-                .registerRowMapper(new GlobalMonsterDropRowMapper());
+                .registerRowMapper(new GlobalMonsterDropRowMapper())
+                .registerRowMapper(new ShopItemRowMapper());
     }
 }

src/main/java/database/shop/ShopDao.java

@@ -0,0 +1,31 @@
+package database.shop;
+
+import database.DaoException;
+import database.PgDatabaseConnection;
+import org.jdbi.v3.core.Handle;
+import org.jdbi.v3.core.JdbiException;
+
+import java.util.List;
+
+public class ShopDao {
+    private final PgDatabaseConnection connection;
+
+    public ShopDao(PgDatabaseConnection connection) {
+        this.connection = connection;
+    }
+
+    public List<ShopItem> getShopItems(int shopId) {
+        try (Handle handle = connection.getHandle()) {
+            return handle.createQuery("""
+                            SELECT *
+                            FROM shop_item
+                            WHERE shop = ?
+                            ORDER BY position DESC;""")
+                    .bind(0, shopId)
+                    .mapTo(ShopItem.class)
+                    .list();
+        } catch (JdbiException e) {
+            throw new DaoException("Failed to get shop items for shop %d".formatted(shopId), e);
+        }
+    }
+}

src/main/java/database/shop/ShopItem.java

@@ -0,0 +1,4 @@
+package database.shop;
+
+public record ShopItem(int itemId, int price, Integer pitch, int position) {
+}

src/main/java/database/shop/ShopItemRowMapper.java

@@ -0,0 +1,19 @@
+package database.shop;
+
+import org.jdbi.v3.core.mapper.RowMapper;
+import org.jdbi.v3.core.statement.StatementContext;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+public class ShopItemRowMapper implements RowMapper<ShopItem> {
+
+    @Override
+    public ShopItem map(ResultSet rs, StatementContext ctx) throws SQLException {
+        final int itemId = rs.getInt("item_id");
+        final int price = rs.getInt("price");
+        final Integer pitch = rs.getObject("pitch", Integer.class);
+        final int position = rs.getInt("position");
+        return new ShopItem(itemId, price, pitch, position);
+    }
+}