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/*******************************************************************************
 * Copyright (C) 2022-2023 WaveMaker, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.wavemaker.runtime.data.service;

import java.util.List;
import java.util.Map;

import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.query.Query;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.web.multipart.MultipartHttpServletRequest;

import com.wavemaker.commons.MessageResource;
import com.wavemaker.commons.WMRuntimeException;
import com.wavemaker.commons.util.StringTemplate;
import com.wavemaker.runtime.commons.WMAppContext;
import com.wavemaker.runtime.data.dao.query.WMQueryExecutor;
import com.wavemaker.runtime.data.model.DesignServiceResponse;
import com.wavemaker.runtime.data.model.queries.RuntimeQuery;
import com.wavemaker.runtime.data.model.returns.ReturnProperty;
import com.wavemaker.runtime.data.util.HQLQueryUtils;
import com.wavemaker.runtime.data.util.MultipartQueryUtils;

/**
 * @author Dilip Kumar
 * @since 3/11/16
 */
public class QueryDesignServiceImpl extends AbstractDesignService implements QueryDesignService {

    private static final StringTemplate QUERY_EXECUTOR_BEAN_ST = new StringTemplate("${serviceId}WMQueryExecutor");
    private static final StringTemplate SESSION_FACTORY_BEAN_ST = new StringTemplate("${serviceId}SessionFactory");

    @Override
    public DesignServiceResponse testRunQuery(
        final String serviceId, final MultipartHttpServletRequest request, final Pageable pageable) {
        RuntimeQuery query = MultipartQueryUtils.readContent(request, RuntimeQuery.class);
        MultipartQueryUtils.setMultiparts(query.getParameters(), request.getMultiFileMap());
        return testRunQuery(serviceId, query, pageable);
    }

    @Override
    public DesignServiceResponse testRunQuery(
        final String serviceId, final RuntimeQuery query, final Pageable pageable) {
        final Object results = _runQuery(serviceId, query, pageable);
        List meta;

        if (DesignTimeServiceUtils.isDMLOrUpdateQuery(query)) {
            meta = DesignTimeServiceUtils.getMetaForDML();
        } else {
            if (query.isNativeSql()) {
                meta = extractMetaFromResults(((Page