Mercury-IM/persistence-room/src/main/java/org/mercury_im/messenger/persistence/room/dao/ContactDao.java

package org.mercury_im.messenger.persistence.room.dao;

import androidx.lifecycle.LiveData;
import androidx.room.Dao;
import androidx.room.Query;
import androidx.room.TypeConverters;

import org.jxmpp.jid.EntityBareJid;
import org.mercury_im.messenger.persistence.room.model.RoomContactModel;
import org.mercury_im.messenger.persistence.room.type_converter.EntityBareJidConverter;

import java.util.List;

@Dao
@TypeConverters(EntityBareJidConverter.class)
public interface ContactDao extends BaseDao<RoomContactModel> {

    /**
     * Return a {@link LiveData} wrapping a {@link List} of all {@link RoomContactModel RosterEntries}
     * which are currently found in the database.
     *
     * @return
     */
    @Query("SELECT * FROM contacts")
    LiveData<List<RoomContactModel>> getAllRosterEntries();

    @Query("SELECT contacts.* FROM contacts JOIN entities WHERE jid = :jid")
    RoomContactModel getRosterEntryByJid(EntityBareJid jid);

    @Query("SELECT * FROM contacts WHERE accountId = :accountId")
    LiveData<List<RoomContactModel>> getRosterEntriesForAccount(long accountId);
}