Add ChannelService to handle cc'ing

src/main/java/database/JdbiConfig.java

@@ -5,6 +5,7 @@ import database.drop.MonsterDropRowMapper;
 import database.maker.MakerIngredientRowMapper;
 import database.maker.MakerReagentRowMapper;
 import database.maker.MakerRecipeRowMapper;
+import database.monsterbook.MonsterCardRowMapper;
 import database.note.NoteRowMapper;
 import database.shop.ShopItemRowMapper;
 import database.shop.ShopRowMapper;
@@ -32,7 +33,8 @@ public final class JdbiConfig {
                 new MonsterDropRowMapper(),
                 new GlobalMonsterDropRowMapper(),
                 new ShopRowMapper(),
-                new ShopItemRowMapper()
+                new ShopItemRowMapper(),
+                new MonsterCardRowMapper()
         );
     }
 }

src/main/java/database/character/CharacterSaver.java

@@ -0,0 +1,20 @@
+package database.character;
+
+import client.Character;
+import database.monsterbook.MonsterCardDao;
+
+public class CharacterSaver {
+    private final MonsterCardDao monsterCardDao;
+
+    public CharacterSaver(MonsterCardDao monsterCardDao) {
+        this.monsterCardDao = monsterCardDao;
+    }
+
+    public void save(Character chr) {
+        chr.saveCharToDB(false);
+
+        // Saving monster cards to both MySQL and Postgres for now
+        monsterCardDao.save(chr.getId(), chr.getMonsterBook().getCards());
+    }
+
+}

src/main/java/database/monsterbook/MonsterCardDao.java

@@ -4,6 +4,7 @@ import database.DaoException;
 import database.PgDatabaseConnection;
 import org.jdbi.v3.core.Handle;
 import org.jdbi.v3.core.JdbiException;
+import org.jdbi.v3.core.statement.PreparedBatch;
 
 import java.util.List;
 
@@ -24,7 +25,26 @@ public class MonsterCardDao {
                     .mapTo(MonsterCard.class)
                     .list();
         } catch (JdbiException e) {
-            throw new DaoException("Failed to find monster cards for chr id %d".formatted(chrId), e);
+            throw new DaoException("Failed to find monster cards (chrId %d)".formatted(chrId), e);
+        }
+    }
+
+    public void save(int chrId, List<MonsterCard> cards) {
+        try (Handle handle = connection.getHandle()) {
+            PreparedBatch batch = handle.prepareBatch("""
+                    INSERT INTO monster_card (chr_id, card_id, level)
+                    VALUES (?, ?, ?)
+                    ON CONFLICT (chr_id, card_id)
+                    DO UPDATE SET level = excluded.level;""");
+            batch.bind(0, chrId);
+            cards.forEach(card -> {
+                batch.bind(1, card.cardId());
+                batch.bind(2, card.level());
+                batch.add();
+            });
+            batch.execute();
+        } catch (JdbiException e) {
+            throw new DaoException("Failed to save monster cards (chrId %d)".formatted(chrId), e);
         }
     }
 }