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Change ccount delete to delete all referenced items in the database.

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This commit is contained in:
ImmuState
2022-05-09 10:03:51 -07:00
committed by Melledy
parent 85f5a753e1
commit 19e798a28b
2 changed files with 45 additions and 5 deletions
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29
src/main/java/emu/grasscutter/database/DatabaseHelper.java
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@@ -3,6 +3,8 @@ package emu.grasscutter.database;
import java.util.List;
import com.mongodb.client.result.DeleteResult;
import dev.morphia.experimental.MorphiaSession;
import dev.morphia.query.FindOptions;
import dev.morphia.query.Sort;
import dev.morphia.query.experimental.filters.Filters;
@@ -95,8 +97,31 @@ public final class DatabaseHelper {
return DatabaseManager.getDatastore().find(Account.class).filter(Filters.eq("playerId", playerId)).first();
}
public static boolean deleteAccount(String username) {
return DatabaseManager.getDatastore().find(Account.class).filter(Filters.eq("username", username)).delete().getDeletedCount() > 0;
//public static boolean deleteAccount(String username) {
// return DatabaseManager.getDatastore().find(Account.class).filter(Filters.eq("username", username)).delete().getDeletedCount() > 0;
//}
public static void deleteAccount(Account target) {
// To delete an account, we need to also delete all the other documents in the database that reference the account.
// This should optimally be wrapped inside a transaction, to make sure an error thrown mid-way does not leave the
// database in an inconsistent state, but unfortunately Mongo only supports that when we have a replica set ...
// Delete mails, gacha records, items and avatars.
DatabaseManager.getDatastore().find(Mail.class).filter(Filters.eq("ownerUid", target.getPlayerUid())).delete();
DatabaseManager.getDatastore().find(GachaRecord.class).filter(Filters.eq("ownerId", target.getPlayerUid())).delete();
DatabaseManager.getDatastore().find(GameItem.class).filter(Filters.eq("ownerId", target.getPlayerUid())).delete();
DatabaseManager.getDatastore().find(Avatar.class).filter(Filters.eq("ownerId", target.getPlayerUid())).delete();
// Delete friendships.
// Here, we need to make sure to not only delete the deleted account's friendships,
// but also all friendship entries for that account's friends.
DatabaseManager.getDatastore().find(Friendship.class).filter(Filters.eq("ownerId", target.getPlayerUid())).delete();
DatabaseManager.getDatastore().find(Friendship.class).filter(Filters.eq("friendId", target.getPlayerUid())).delete();
// Delete the player.
DatabaseManager.getDatastore().find(Player.class).filter(Filters.eq("id", target.getPlayerUid())).delete();
// Finally, delete the account itself.
DatabaseManager.getDatastore().find(Account.class).filter(Filters.eq("id", target.getId())).delete();
}
public static List<Player> getAllPlayers() {