cherry.spring.common.foundation.impl.WorkdayStoreImpl.java Source code

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Here is the source code for cherry.spring.common.foundation.impl.WorkdayStoreImpl.java

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/*
 * Copyright 2015 agwlvssainokuni
 *
 * 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 cherry.spring.common.foundation.impl;

import static cherry.foundation.type.DeletedFlag.NOT_DELETED;
import static com.mysema.query.support.Expressions.constant;
import static com.mysema.query.support.Expressions.dateOperation;
import static com.mysema.query.support.Expressions.datePath;
import static com.mysema.query.support.Expressions.numberPath;
import static com.mysema.query.support.Expressions.path;

import java.util.List;

import org.joda.time.Days;
import org.joda.time.LocalDate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.support.DataAccessUtils;
import org.springframework.data.jdbc.query.QueryDslJdbcOperations;

import cherry.foundation.workday.WorkdayStore;
import cherry.sqlapp.db.gen.query.QDayoffMaster;
import cherry.sqlapp.db.gen.query.QDigit;

import com.mysema.query.Tuple;
import com.mysema.query.sql.SQLQuery;
import com.mysema.query.sql.SQLSubQuery;
import com.mysema.query.types.Ops.DateTimeOps;
import com.mysema.query.types.path.DatePath;
import com.mysema.query.types.path.NumberPath;
import com.mysema.query.types.path.SimplePath;
import com.mysema.query.types.query.ListSubQuery;

public class WorkdayStoreImpl implements WorkdayStore {

    @Autowired
    private QueryDslJdbcOperations queryDslJdbcOperations;

    private final QDigit a = new QDigit("a");
    private final QDigit b = new QDigit("b");
    private final QDayoffMaster h0 = new QDayoffMaster("h0");
    private final QDayoffMaster h1 = new QDayoffMaster("h1");

    @Override
    public int getNumberOfWorkday(String name, LocalDate from, LocalDate to) {
        SQLQuery query = queryDslJdbcOperations.newSqlQuery();
        query.from(h0);
        query.where(h0.name.eq(name), h0.dt.between(constant(from), constant(to)),
                h0.deletedFlg.eq(NOT_DELETED.code()));
        long count = queryDslJdbcOperations.queryForObject(query, h0.dt.count());
        return Days.daysBetween(from, to).getDays() + 1 - (int) count;
    }

    @Override
    public LocalDate getNextWorkday(String name, LocalDate from, int numberOfWorkday) {
        ListSubQuery<Tuple> subquery = new SQLSubQuery().from(a, b).list(a.d.multiply(10).add(b.d).as("n"),
                dateOperation(LocalDate.class, DateTimeOps.ADD_DAYS, constant(from), a.d.multiply(10).add(b.d))
                        .as("dt"));

        SimplePath<Tuple> d = path(Tuple.class, "d");
        NumberPath<Long> dn = numberPath(Long.class, d, "n");
        DatePath<LocalDate> ddt = datePath(LocalDate.class, d, "dt");

        SQLQuery query = queryDslJdbcOperations.newSqlQuery();
        query.from(subquery, d).leftJoin(h0).on(h0.name.eq(name), h0.dt.between(constant(from), ddt),
                h0.deletedFlg.eq(NOT_DELETED.code()));
        query.where(new SQLSubQuery().from(h1)
                .where(h1.name.eq(name), h1.dt.eq(ddt), h1.deletedFlg.eq(NOT_DELETED.code())).notExists());
        query.groupBy(dn);
        query.having(h0.dt.count().eq(dn.subtract(numberOfWorkday).add(1)));
        List<LocalDate> list = queryDslJdbcOperations.query(query, ddt.min());

        return DataAccessUtils.requiredSingleResult(list);
    }

}