package org.activityinfo.legacy.shared.impl;

/*
 * #%L
 * ActivityInfo Server
 * %%
 * Copyright (C) 2009 - 2013 UNICEF
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the 
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public 
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import com.bedatadriven.rebar.sql.client.SqlResultCallback;
import com.bedatadriven.rebar.sql.client.SqlResultSet;
import com.bedatadriven.rebar.sql.client.SqlResultSetRow;
import com.bedatadriven.rebar.sql.client.SqlTransaction;
import com.bedatadriven.rebar.sql.client.query.SqlQuery;
import com.google.gwt.user.client.rpc.AsyncCallback;
import org.activityinfo.legacy.shared.command.GetSiteAttachments;
import org.activityinfo.legacy.shared.command.result.SiteAttachmentResult;
import org.activityinfo.legacy.shared.model.SiteAttachmentDTO;

import java.util.ArrayList;
import java.util.List;

public class GetSiteAttachmentsHandler implements CommandHandlerAsync<GetSiteAttachments, SiteAttachmentResult> {

    private List<SiteAttachmentDTO> dtos;

    @Override
    public void execute(GetSiteAttachments command,
                        ExecutionContext context,
                        final AsyncCallback<SiteAttachmentResult> callback) {

        dtos = new ArrayList<SiteAttachmentDTO>();

        SqlQuery.selectAll()
                .from(Tables.SITE_ATTACHMENT, "s")
                .where("s.siteid")
                .equalTo(command.getSiteId())
                .execute(context.getTransaction(), new SqlResultCallback() {
                    @Override
                    public void onSuccess(SqlTransaction tx, SqlResultSet results) {
                        for (SqlResultSetRow row : results.getRows()) {

                            SiteAttachmentDTO dto = new SiteAttachmentDTO();

                            dto.setSiteId(row.getInt("siteid"));
                            dto.setBlobId(row.getString("blobid"));
                            dto.setFileName(row.getString("filename"));
                            dto.setUploadedBy(row.getInt("uploadedby"));
                            dto.setBlobSize(row.getInt("blobsize"));
                            dto.setContentType(row.getString("contenttype"));

                            dtos.add(dto);
                        }
                        callback.onSuccess(new SiteAttachmentResult(dtos));
                    }
                });
    }
}