localhost-back/src/main/resources/mapper/localvacaMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="io.company.localhost.mapper.localvacaMapper">

    <!-- 휴가 저장 -->
    <insert id="insertVacation" parameterType="io.company.localhost.common.dto.MapDto">
        INSERT INTO localvaca (MEMBERSEQ, LOCVACUDT, LOCVACTYP, LOCVACRDT, LOCVACRMM)
        VALUES (#{employeeId}, #{date}, #{type}, NOW(), #{receiverId})
    </insert>
    
    <!-- 휴가 데이터 삭제 -->
    <delete id="deleteVacation" parameterType="long">
        DELETE FROM localvaca
        WHERE LOCVACSEQ = #{vacationId}
    </delete>
    
    <!-- 휴가 정보 조회 -->
    <select id="selectVacations" parameterType="map" resultType="io.company.localhost.common.dto.MapDto">
	    SELECT LOCVACSEQ, MEMBERSEQ, LOCVACUDT, LOCVACTYP, LOCVACRMM
	    FROM localvaca
	    WHERE DATE_FORMAT(LOCVACUDT, '%Y-%m') = CONCAT(#{year}, '-', LPAD(#{month}, 2, '0'))
	</select>
	
	<!-- 사용자가 사용한 연차 목록 조회 -->
	<select id="selectUsedVacations" resultType="io.company.localhost.common.dto.MapDto">
	    SELECT LOCVACSEQ AS id, LOCVACUDT AS date, LOCVACTYP AS type, LOCVACRMM AS receiverId,
	    -- 반차(700101, 700102)는 0.5, 연차(700103)는 1로 계산
	    SUM(CASE 
	            WHEN LOCVACTYP IN ('700101', '700102') THEN 0.5 
	            WHEN LOCVACTYP = '700103' THEN 1 
	            ELSE 0 
	        END) AS used_quota
	    FROM localvaca
	    WHERE MEMBERSEQ = #{userId}
	    AND YEAR(LOCVACUDT) = #{year}
	    GROUP BY LOCVACUDT, LOCVACTYP, LOCVACRMM
	    ORDER BY LOCVACUDT DESC
	</select>
	
	<!-- 사용자가 받은 연차 목록 조회 -->
	<select id="selectReceivedVacations" resultType="io.company.localhost.common.dto.MapDto">
	    SELECT 
	        LOCVACUDT AS date, 
	        LOCVACTYP AS type, 
	        MEMBERSEQ AS senderId,
	        -- 반차(700101, 700102)는 0.5, 연차(700103)는 1로 계산하여 받은 연차 수량 저장
	        SUM(
	            CASE 
	                WHEN LOCVACTYP IN ('700101', '700102') THEN 0.5 
	                WHEN LOCVACTYP = '700103' THEN 1 
	                ELSE 0 
	            END
	        ) AS received_quota
	    FROM localvaca
	    WHERE LOCVACRMM = #{userId}  -- 현재 로그인한 사용자가 받은 연차
	    AND YEAR(LOCVACUDT) = #{year} -- 해당 연도의 데이터만 가져옴
	    GROUP BY LOCVACUDT, LOCVACTYP, MEMBERSEQ  -- 연차를 보낸 사람별로 그룹화
	    ORDER BY LOCVACUDT DESC;
	</select>

	<!-- 전체 직원 남은 연차 조회 -->
	<select id="selectEmployeeRemainingVacation" resultType="io.company.localhost.common.dto.MapDto">
	    <![CDATA[
	    SELECT 
	        nm.MEMBERSEQ AS employeeId, 
	        nm.MEMBERNAM AS employeeName,
	        nm.MEMBERCDT AS hireDate,
	        
	        -- 📌 총 연차 계산 (1년 미만: 12개, 이후 기본 15개 + 2년마다 1개 추가)
	        CASE 
	            WHEN TIMESTAMPDIFF(MONTH, nm.MEMBERCDT, CURDATE()) < 12 
	                THEN 12
	            ELSE 
	                15 + FLOOR(TIMESTAMPDIFF(YEAR, nm.MEMBERCDT, CURDATE()) / 2)
	        END AS total_quota,
	
	        -- 📌 사용한 연차 개수 (반차 0.5, 연차 1)
	        COALESCE(lv.used_quota, 0) AS used_quota,
	
	        -- 📌 받은 연차 개수 (반차 0.5, 연차 1)
	        COALESCE(rv.received_quota, 0) AS received_quota,
	
	        -- 📌 남은 연차 계산 (총 연차 - 사용 연차 + 받은 연차)
	        (
	            CASE 
	                WHEN TIMESTAMPDIFF(MONTH, nm.MEMBERCDT, CURDATE()) < 12 
	                    THEN 12
	                ELSE 
	                    15 + FLOOR(TIMESTAMPDIFF(YEAR, nm.MEMBERCDT, CURDATE()) / 2)
	            END
	        ) - COALESCE(lv.used_quota, 0) + COALESCE(rv.received_quota, 0) AS remaining_quota
	
	    FROM netmember nm
	
	    -- 📌 사용한 연차 개수 가져오기 (반차는 0.5, 연차는 1로 변환)
	    LEFT JOIN (
	        SELECT MEMBERSEQ, 
	            SUM(CASE 
	                    WHEN LOCVACTYP IN ('700101', '700102') THEN 0.5 
	                    WHEN LOCVACTYP = '700103' THEN 1 
	                    ELSE 0 
	                END) AS used_quota
	        FROM localvaca
	        GROUP BY MEMBERSEQ
	    ) lv ON nm.MEMBERSEQ = lv.MEMBERSEQ
	
	    -- 📌 받은 연차 개수 가져오기 (반차는 0.5, 연차는 1로 변환)
	    LEFT JOIN (
	        SELECT LOCVACRMM AS MEMBERSEQ, 
	            SUM(CASE 
	                    WHEN LOCVACTYP IN ('700101', '700102') THEN 0.5 
	                    WHEN LOCVACTYP = '700103' THEN 1 
	                    ELSE 0 
	                END) AS received_quota
	        FROM localvaca
	        WHERE LOCVACRMM IS NOT NULL
	        GROUP BY LOCVACRMM
	    ) rv ON nm.MEMBERSEQ = rv.MEMBERSEQ
	
	    WHERE nm.MEMBERDEL = 'N' -- 퇴사자 제외
	    ]]>
	</select>
	
	<select id="selectSentVacationCount" resultType="io.company.localhost.common.dto.MapDto">
	SELECT COUNT(*) as count FROM localvaca WHERE MEMBERSEQ = #{userId} AND LOCVACRMM = #{receiverId} AND YEAR(LOCVACUDT) = YEAR(NOW())
	</select>
	

</mapper>