klp-oa/klp-wms/src/main/resources/mapper/klp/WmsStockMapper.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="com.klp.mapper.WmsStockMapper">

    <resultMap type="com.klp.domain.WmsStock" id="WmsStockResult">
        <result property="stockId" column="stock_id"/>
        <result property="itemType" column="item_type"/>
        <result property="itemId" column="item_id"/>
        <result property="batchNo" column="batch_no"/>
        <result property="remark" column="remark"/>
        <result property="delFlag" column="del_flag"/>
        <result property="createTime" column="create_time"/>
        <result property="createBy" column="create_by"/>
        <result property="updateTime" column="update_time"/>
        <result property="updateBy" column="update_by"/>
    </resultMap>

    <select id="getStockByItemId" resultType="java.math.BigDecimal">
        select sum(quantity) as quantity from wms_stock
        where item_id = #{rawMaterialId} and item_type = 'raw_material' and del_flag = 0
    </select>

    <!-- 查询物料库存统计，基于物料钢卷表，支持Wrapper动态条件（包含group by），返回Page<WmsStockVo> -->
    <select id="selectVoPagePlus" resultType="com.klp.domain.vo.WmsStockVo">
        SELECT
            mc.warehouse_id AS warehouseId,
            mc.item_type AS itemType,
            mc.item_id AS itemId,
            w.warehouse_name AS warehouseName,
            CASE
                WHEN mc.item_type = 'product' THEN p.product_name
                WHEN mc.item_type = 'raw_material' THEN r.raw_material_name
                ELSE NULL
            END AS itemName,
            CASE
                WHEN mc.item_type = 'product' THEN p.product_code
                WHEN mc.item_type = 'raw_material' THEN r.raw_material_code
                ELSE NULL
            END AS itemCode,
            CASE
                WHEN mc.item_type = 'product' THEN p.specification
                WHEN mc.item_type = 'raw_material' THEN r.specification
                ELSE NULL
                END AS specification,
            CASE
                WHEN mc.item_type = 'product' THEN p.material
                WHEN mc.item_type = 'raw_material' THEN r.material
                ELSE NULL
                END AS material,
            CASE
                WHEN mc.item_type = 'product' THEN p.surface_treatment_desc
                WHEN mc.item_type = 'raw_material' THEN r.surface_treatment_desc
                ELSE NULL
                END AS surfaceTreatmentDesc,
            CASE
                WHEN mc.item_type = 'product' THEN p.zinc_layer
                WHEN mc.item_type = 'raw_material' THEN r.zinc_layer
                ELSE NULL
                END AS zincLayer,
            CASE
                WHEN mc.item_type = 'product' THEN p.manufacturer
                WHEN mc.item_type = 'raw_material' THEN r.manufacturer
                ELSE NULL
                END AS manufacturer,
            COUNT(*) AS totalQuantity,
            SUM(CASE WHEN mc.status = 1 THEN 1 ELSE 0 END) AS onTheWay
        FROM wms_material_coil mc
        LEFT JOIN wms_warehouse w ON mc.warehouse_id = w.warehouse_id AND w.del_flag = 0
        LEFT JOIN wms_product p ON mc.item_type = 'product' AND mc.item_id = p.product_id AND p.del_flag = 0
        LEFT JOIN wms_raw_material r ON mc.item_type = 'raw_material' AND mc.item_id = r.raw_material_id AND r.del_flag = 0
        ${ew.customSqlSegment}
    </select>

    <!-- 按仓库统计库存分布 -->
    <select id="selectStockDistribution" resultType="com.klp.domain.vo.WmsStockVo">
        SELECT
            mc.warehouse_id AS warehouseId,
            w.warehouse_name AS warehouseName,
            COUNT(*) AS totalQuantity,
            mc.item_type AS itemType,
            mc.item_id AS itemId
        FROM wms_material_coil mc
        INNER JOIN wms_warehouse w ON mc.warehouse_id = w.warehouse_id AND w.del_flag = 0
        WHERE mc.item_type = #{itemType}
          AND mc.item_id = #{itemId}
          AND mc.del_flag = 0
          AND mc.data_type = 1
        GROUP BY mc.warehouse_id, w.warehouse_name, mc.item_type, mc.item_id
        ORDER BY totalQuantity DESC
    </select>
    <select id="selectVoPagePlusActual" resultType="com.klp.domain.vo.WmsStockVo">
        <if test="rootWarehouseId != null">
            WITH RECURSIVE aw_tree AS (
                SELECT aw.actual_warehouse_id
                FROM wms_actual_warehouse aw
                WHERE aw.actual_warehouse_id = #{rootWarehouseId} AND aw.del_flag = 0
                UNION ALL
                SELECT c.actual_warehouse_id
                FROM wms_actual_warehouse c
                INNER JOIN aw_tree p ON c.parent_id = p.actual_warehouse_id
                WHERE c.del_flag = 0
            )
        </if>
        SELECT
            g.actual_warehouse_id AS actualWarehouseId,
            g.item_type           AS itemType,
            g.item_id             AS itemId,
            w.actual_warehouse_name AS actualWarehouseName,
            CASE WHEN g.item_type = 'product' THEN p.product_name
                 WHEN g.item_type = 'raw_material' THEN r.raw_material_name
                 ELSE NULL END AS itemName,
            CASE WHEN g.item_type = 'product' THEN p.product_code
                 WHEN g.item_type = 'raw_material' THEN r.raw_material_code
                 ELSE NULL END AS itemCode,
            CASE WHEN g.item_type = 'product' THEN p.specification
                 WHEN g.item_type = 'raw_material' THEN r.specification
                 ELSE NULL END AS specification,
            CASE WHEN g.item_type = 'product' THEN p.material
                 WHEN g.item_type = 'raw_material' THEN r.material
                 ELSE NULL END AS material,
            CASE WHEN g.item_type = 'product' THEN p.surface_treatment_desc
                 WHEN g.item_type = 'raw_material' THEN r.surface_treatment_desc
                 ELSE NULL END AS surfaceTreatmentDesc,
            CASE WHEN g.item_type = 'product' THEN p.zinc_layer
                 WHEN g.item_type = 'raw_material' THEN r.zinc_layer
                 ELSE NULL END AS zincLayer,
            CASE WHEN g.item_type = 'product' THEN p.manufacturer
                 WHEN g.item_type = 'raw_material' THEN r.manufacturer
                 ELSE NULL END AS manufacturer,
            g.totalQuantity,
            g.onTheWay
        FROM (
            SELECT mc.actual_warehouse_id,
                   mc.item_type,
                   mc.item_id,
                   COUNT(*)                                       AS totalQuantity,
                   SUM(CASE WHEN mc.status = 1 THEN 1 ELSE 0 END) AS onTheWay
            FROM wms_material_coil mc FORCE INDEX (idx_mc_fixed_group)
                ${ew.customSqlSegment}
                <if test="rootWarehouseId != null">
                    -- 过滤仓库ID：仅包含CTE查询出的根/子仓库
                    AND mc.actual_warehouse_id IN (SELECT actual_warehouse_id FROM aw_tree)
                </if>
            GROUP BY mc.actual_warehouse_id, mc.item_type, mc.item_id
        ) g
        LEFT JOIN wms_actual_warehouse w ON g.actual_warehouse_id = w.actual_warehouse_id AND w.del_flag = 0
        LEFT JOIN wms_product p ON g.item_type = 'product' AND g.item_id = p.product_id AND p.del_flag = 0
        LEFT JOIN wms_raw_material r ON g.item_type = 'raw_material' AND g.item_id = r.raw_material_id AND r.del_flag = 0
        ORDER BY g.actual_warehouse_id, g.item_type, g.item_id
    </select>

</mapper>