promotion：实现优惠劵模板的逻辑

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/coupon/CouponTemplateController.java

@@ -0,0 +1,74 @@
+package cn.iocoder.yudao.module.promotion.controller.admin.coupon;
+
+import cn.iocoder.yudao.framework.common.pojo.CommonResult;
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateCreateReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplatePageReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateRespVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateUpdateReqVO;
+import cn.iocoder.yudao.module.promotion.convert.coupon.CouponTemplateConvert;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponTemplateDO;
+import cn.iocoder.yudao.module.promotion.service.coupon.CouponTemplateService;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiImplicitParam;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import javax.validation.Valid;
+
+import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+
+@Api(tags = "管理后台 - 优惠劵模板")
+@RestController
+@RequestMapping("/promotion/coupon-template")
+@Validated
+public class CouponTemplateController {
+
+    @Resource
+    private CouponTemplateService couponTemplateService;
+
+    @PostMapping("/create")
+    @ApiOperation("创建优惠劵模板")
+    @PreAuthorize("@ss.hasPermission('promotion:coupon-template:create')")
+    public CommonResult<Long> createCouponTemplate(@Valid @RequestBody CouponTemplateCreateReqVO createReqVO) {
+        return success(couponTemplateService.createCouponTemplate(createReqVO));
+    }
+
+    @PutMapping("/update")
+    @ApiOperation("更新优惠劵模板")
+    @PreAuthorize("@ss.hasPermission('promotion:coupon-template:update')")
+    public CommonResult<Boolean> updateCouponTemplate(@Valid @RequestBody CouponTemplateUpdateReqVO updateReqVO) {
+        couponTemplateService.updateCouponTemplate(updateReqVO);
+        return success(true);
+    }
+
+    @DeleteMapping("/delete")
+    @ApiOperation("删除优惠劵模板")
+    @ApiImplicitParam(name = "id", value = "编号", required = true, dataTypeClass = Long.class)
+    @PreAuthorize("@ss.hasPermission('promotion:coupon-template:delete')")
+    public CommonResult<Boolean> deleteCouponTemplate(@RequestParam("id") Long id) {
+        couponTemplateService.deleteCouponTemplate(id);
+        return success(true);
+    }
+
+    @GetMapping("/get")
+    @ApiOperation("获得优惠劵模板")
+    @ApiImplicitParam(name = "id", value = "编号", required = true, example = "1024", dataTypeClass = Long.class)
+    @PreAuthorize("@ss.hasPermission('promotion:coupon-template:query')")
+    public CommonResult<CouponTemplateRespVO> getCouponTemplate(@RequestParam("id") Long id) {
+        CouponTemplateDO couponTemplate = couponTemplateService.getCouponTemplate(id);
+        return success(CouponTemplateConvert.INSTANCE.convert(couponTemplate));
+    }
+
+    @GetMapping("/page")
+    @ApiOperation("获得优惠劵模板分页")
+    @PreAuthorize("@ss.hasPermission('promotion:coupon-template:query')")
+    public CommonResult<PageResult<CouponTemplateRespVO>> getCouponTemplatePage(@Valid CouponTemplatePageReqVO pageVO) {
+        PageResult<CouponTemplateDO> pageResult = couponTemplateService.getCouponTemplatePage(pageVO);
+        return success(CouponTemplateConvert.INSTANCE.convertPage(pageResult));
+    }
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/coupon/vo/CouponTemplateBaseVO.java

@@ -0,0 +1,142 @@
+package cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjectUtil;
+import cn.iocoder.yudao.framework.common.validation.InEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionDiscountTypeEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionProductScopeEnum;
+import cn.iocoder.yudao.module.promotion.enums.coupon.CouponTemplateValidityTypeEnum;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import javax.validation.constraints.AssertTrue;
+import javax.validation.constraints.Min;
+import javax.validation.constraints.NotNull;
+import java.util.Date;
+import java.util.List;
+import java.util.Objects;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+/**
+* 优惠劵模板 Base VO，提供给添加、修改、详细的子 VO 使用
+* 如果子 VO 存在差异的字段，请不要添加到这里，影响 Swagger 文档生成
+*/
+@Data
+public class CouponTemplateBaseVO {
+
+    @ApiModelProperty(value = "优惠劵名", required = true, example = "春节送送送")
+    @NotNull(message = "优惠劵名不能为空")
+    private String name;
+
+    @ApiModelProperty(value = "发行总量", required = true, example = "1024", notes = "-1 - 则表示不限制发放数量")
+    @NotNull(message = "发行总量不能为空")
+    private Integer totalCount;
+
+    @ApiModelProperty(value = "每人限领个数", required = true, example = "66", notes = "-1 - 则表示不限制")
+    @NotNull(message = "每人限领个数不能为空")
+    private Integer takeLimitCount;
+
+    @ApiModelProperty(value = "领取方式", required = true, example = "1", notes = "参见 CouponTakeTypeEnum 枚举类")
+    @NotNull(message = "领取方式不能为空")
+    private Integer takeType;
+
+    @ApiModelProperty(value = "是否设置满多少金额可用", required = true, example = "100", notes = "单位：分；0 - 不限制")
+    @NotNull(message = "是否设置满多少金额可用不能为空")
+    private Integer usePrice;
+
+    @ApiModelProperty(value = "商品范围", required = true, example = "1", notes = "参见 PromotionProductScopeEnum 枚举类")
+    @NotNull(message = "商品范围不能为空")
+    @InEnum(PromotionProductScopeEnum.class)
+    private Integer productScope;
+
+    @ApiModelProperty(value = "商品 SPU 编号的数组", example = "1,3")
+    private List<Long> productSpuIds;
+
+    @ApiModelProperty(value = "生效日期类型", required = true, example = "1")
+    @NotNull(message = "生效日期类型不能为空")
+    @InEnum(CouponTemplateValidityTypeEnum.class)
+    private Integer validityType;
+
+    @ApiModelProperty(value = "固定日期 - 生效开始时间")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private Date validStartTime;
+
+    @ApiModelProperty(value = "固定日期 - 生效结束时间")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private Date validEndTime;
+
+    @ApiModelProperty(value = "领取日期 - 开始天数")
+    @Min(value = 0L, message = "开始天数必须大于 0")
+    private Integer fixedStartTerm;
+
+    @ApiModelProperty(value = "领取日期 - 结束天数")
+    @Min(value = 1L, message = "开始天数必须大于 1")
+    private Integer fixedEndTerm;
+
+    @ApiModelProperty(value = "优惠类型", required = true, example = "1", notes = "参见 PromotionDiscountTypeEnum 枚举")
+    @NotNull(message = "优惠类型不能为空")
+    @InEnum(PromotionDiscountTypeEnum.class)
+    private Integer discountType;
+
+    @ApiModelProperty(value = "折扣百分比", example = "80", notes = "例如说，80% 为 80")
+    @Min(value = 1)
+    private Integer discountPercent;
+
+    @ApiModelProperty(value = "优惠金额", example = "10", notes = "单位：分")
+    @Min(value = 1)
+    private Integer discountPrice;
+
+    @ApiModelProperty(value = "折扣上限", example = "100", notes = "单位：分，仅在 discountType 为 PERCENT 使用")
+    private Integer discountPriceLimit;
+
+    @AssertTrue(message = "商品 SPU 编号的数组不能为空")
+    public boolean isProductSpuIdsValid() {
+        return Objects.equals(productScope, PromotionProductScopeEnum.ALL.getScope()) // 全部范围时，可以为空
+                || CollUtil.isNotEmpty(productSpuIds);
+    }
+
+    @AssertTrue(message = "生效开始时间不能为空")
+    public boolean isValidStartTimeValid() {
+        return ObjectUtil.notEqual(validityType, CouponTemplateValidityTypeEnum.DATE.getType())
+                || validStartTime != null;
+    }
+
+    @AssertTrue(message = "生效结束时间不能为空")
+    public boolean isValidEndTimeValid() {
+        return ObjectUtil.notEqual(validityType, CouponTemplateValidityTypeEnum.DATE.getType())
+                || validEndTime != null;
+    }
+
+    @AssertTrue(message = "开始天数不能为空")
+    public boolean isFixedStartTermValid() {
+        return ObjectUtil.notEqual(validityType, CouponTemplateValidityTypeEnum.TERM.getType())
+                || fixedStartTerm != null;
+    }
+
+    @AssertTrue(message = "结束天数不能为空")
+    public boolean isFixedEndTermValid() {
+        return ObjectUtil.notEqual(validityType, CouponTemplateValidityTypeEnum.TERM.getType())
+                || fixedEndTerm != null;
+    }
+
+    @AssertTrue(message = "折扣百分比不能为空")
+    public boolean isDiscountPercentValid() {
+        return ObjectUtil.notEqual(discountType, PromotionDiscountTypeEnum.PERCENT.getType())
+                || discountPercent != null;
+    }
+
+    @AssertTrue(message = "优惠金额不能为空")
+    public boolean isDiscountPriceValid() {
+        return ObjectUtil.notEqual(discountType, PromotionDiscountTypeEnum.PRICE.getType())
+                || discountPrice != null;
+    }
+
+    @AssertTrue(message = "折扣上限不能为空")
+    public boolean isDiscountPriceLimit() {
+        return ObjectUtil.notEqual(discountType, PromotionDiscountTypeEnum.PERCENT.getType())
+                || discountPriceLimit != null;
+    }
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/coupon/vo/CouponTemplateCreateReqVO.java

@@ -0,0 +1,14 @@
+package cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo;
+
+import io.swagger.annotations.ApiModel;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+@ApiModel("管理后台 - 优惠劵模板创建 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class CouponTemplateCreateReqVO extends CouponTemplateBaseVO {
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/coupon/vo/CouponTemplatePageReqVO.java

@@ -0,0 +1,37 @@
+package cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo;
+
+import cn.iocoder.yudao.framework.common.pojo.PageParam;
+import cn.iocoder.yudao.framework.common.validation.InEnum;
+import cn.iocoder.yudao.module.promotion.enums.common.PromotionDiscountTypeEnum;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+import org.springframework.format.annotation.DateTimeFormat;
+
+import javax.validation.constraints.NotNull;
+import java.util.Date;
+
+import static cn.iocoder.yudao.framework.common.util.date.DateUtils.FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND;
+
+@ApiModel("管理后台 - 优惠劵模板分页 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class CouponTemplatePageReqVO extends PageParam {
+
+    @ApiModelProperty(value = "优惠劵名", example = "你好")
+    private String name;
+
+    @ApiModelProperty(value = "状态", example = "1", notes = "参见 CommonStatusEnum 枚举类")
+    private Integer status;
+
+    @ApiModelProperty(value = "优惠类型", example = "1", notes = "参见 PromotionDiscountTypeEnum 枚举")
+    private Integer discountType;
+
+    @ApiModelProperty(value = "创建时间")
+    @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
+    private Date[] createTime;
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/coupon/vo/CouponTemplateRespVO.java

@@ -0,0 +1,35 @@
+package cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo;
+
+import cn.iocoder.yudao.framework.common.enums.CommonStatusEnum;
+import cn.iocoder.yudao.framework.common.validation.InEnum;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import java.util.Date;
+
+@ApiModel("管理后台 - 优惠劵模板 Response VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class CouponTemplateRespVO extends CouponTemplateBaseVO {
+
+    @ApiModelProperty(value = "模板编号", required = true, example = "1024")
+    private Long id;
+
+    @ApiModelProperty(value = "状态", required = true, example = "1")
+    @InEnum(CommonStatusEnum.class)
+    private Integer status;
+
+    @ApiModelProperty(value = "领取优惠券的数量", required = true, example = "1024")
+    private Integer takeNum;
+
+    @ApiModelProperty(value = "使用优惠券的次数", required = true, example = "2048")
+    private Integer useCount;
+
+    @ApiModelProperty(value = "创建时间", required = true)
+    private Date createTime;
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/controller/admin/coupon/vo/CouponTemplateUpdateReqVO.java

@@ -0,0 +1,21 @@
+package cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import javax.validation.constraints.NotNull;
+
+@ApiModel("管理后台 - 优惠劵模板更新 Request VO")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class CouponTemplateUpdateReqVO extends CouponTemplateBaseVO {
+
+    @ApiModelProperty(value = "模板编号", required = true, example = "1024")
+    @NotNull(message = "模板编号不能为空")
+    private Long id;
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/convert/coupon/CouponTemplateConvert.java

@@ -0,0 +1,29 @@
+package cn.iocoder.yudao.module.promotion.convert.coupon;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateCreateReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateRespVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateUpdateReqVO;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponTemplateDO;
+import org.mapstruct.Mapper;
+import org.mapstruct.factory.Mappers;
+
+/**
+ * 优惠劵模板 Convert
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface CouponTemplateConvert {
+
+    CouponTemplateConvert INSTANCE = Mappers.getMapper(CouponTemplateConvert.class);
+
+    CouponTemplateDO convert(CouponTemplateCreateReqVO bean);
+
+    CouponTemplateDO convert(CouponTemplateUpdateReqVO bean);
+
+    CouponTemplateRespVO convert(CouponTemplateDO bean);
+
+    PageResult<CouponTemplateRespVO> convertPage(PageResult<CouponTemplateDO> page);
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/dataobject/coupon/CouponTemplateDO.java

@@ -73,7 +73,7 @@ public class CouponTemplateDO extends BaseDO {
      * 是否设置满多少金额可用，单位：分
      *
      * 0 - 不限制
-     * 大于0 - 多少金额可用
+     * 大于 0 - 多少金额可用
      */
     private Integer usePrice;
     /**
@@ -96,19 +96,19 @@ public class CouponTemplateDO extends BaseDO {
     /**
      * 固定日期 - 生效开始时间
      *
-     * 当 {@link #validityType} 为 {@link CouponTemplateValidityTypeEnum#FIXED_DATE}
+     * 当 {@link #validityType} 为 {@link CouponTemplateValidityTypeEnum#DATE}
      */
     private Date validStartTime;
     /**
      * 固定日期 - 生效结束时间
      *
-     * 当 {@link #validityType} 为 {@link CouponTemplateValidityTypeEnum#FIXED_DATE}
+     * 当 {@link #validityType} 为 {@link CouponTemplateValidityTypeEnum#DATE}
      */
     private Date validEndTime;
     /**
      * 领取日期 - 结束天数
      *
-     * 当 {@link #validityType} 为 {@link CouponTemplateValidityTypeEnum#FIXED_TERM_TODAY}
+     * 当 {@link #validityType} 为 {@link CouponTemplateValidityTypeEnum#TERM}
      */
     private Integer fixedEndTerm;
     // ========== 使用规则 END ==========
@@ -129,11 +129,11 @@ public class CouponTemplateDO extends BaseDO {
     /**
      * 优惠金额，单位：分
      *
-     * 当 {@link #discountType} 为 {@link PromotionDiscountTypeEnum#PRICE}
+     * 当 {@link #discountType} 为 {@link PromotionDiscountTypeEnum#PRICE} 生效
      */
     private Integer discountPrice;
     /**
-     * 折扣上限，仅在 {@link #discountType} 等于 {@link PromotionDiscountTypeEnum#PRICE} 时生效
+     * 折扣上限，仅在 {@link #discountType} 等于 {@link PromotionDiscountTypeEnum#PERCENT} 时生效
      *
      * 例如，折扣上限为 20 元，当使用 8 折优惠券，订单金额为 1000 元时，最高只可折扣 20 元，而非 80  元。
      */

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/coupon/CouponTemplateMapper.java

@@ -0,0 +1,27 @@
+package cn.iocoder.yudao.module.promotion.dal.mysql.coupon;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
+import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplatePageReqVO;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponTemplateDO;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 优惠劵模板 Mapper
+ *
+ * @author 芋道源码
+ */
+@Mapper
+public interface CouponTemplateMapper extends BaseMapperX<CouponTemplateDO> {
+
+    default PageResult<CouponTemplateDO> selectPage(CouponTemplatePageReqVO reqVO) {
+        return selectPage(reqVO, new LambdaQueryWrapperX<CouponTemplateDO>()
+                .likeIfPresent(CouponTemplateDO::getName, reqVO.getName())
+                .eqIfPresent(CouponTemplateDO::getStatus, reqVO.getStatus())
+                .eqIfPresent(CouponTemplateDO::getDiscountType, reqVO.getDiscountType())
+                .betweenIfPresent(CouponTemplateDO::getCreateTime, reqVO.getCreateTime())
+                .orderByDesc(CouponTemplateDO::getId));
+    }
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponTemplateService.java

@@ -0,0 +1,56 @@
+package cn.iocoder.yudao.module.promotion.service.coupon;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateCreateReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplatePageReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateUpdateReqVO;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponTemplateDO;
+
+import javax.validation.Valid;
+
+/**
+ * 优惠劵模板 Service 接口
+ *
+ * @author 芋道源码
+ */
+public interface CouponTemplateService {
+
+    /**
+     * 创建优惠劵模板
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createCouponTemplate(@Valid CouponTemplateCreateReqVO createReqVO);
+
+    /**
+     * 更新优惠劵模板
+     *
+     * @param updateReqVO 更新信息
+     */
+    void updateCouponTemplate(@Valid CouponTemplateUpdateReqVO updateReqVO);
+
+    /**
+     * 删除优惠劵模板
+     *
+     * @param id 编号
+     */
+    void deleteCouponTemplate(Long id);
+
+    /**
+     * 获得优惠劵模板
+     *
+     * @param id 编号
+     * @return 优惠劵模板
+     */
+    CouponTemplateDO getCouponTemplate(Long id);
+
+    /**
+     * 获得优惠劵模板分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 优惠劵模板分页
+     */
+    PageResult<CouponTemplateDO> getCouponTemplatePage(CouponTemplatePageReqVO pageReqVO);
+
+}

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/coupon/CouponTemplateServiceImpl.java

@@ -0,0 +1,79 @@
+package cn.iocoder.yudao.module.promotion.service.coupon;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateCreateReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplatePageReqVO;
+import cn.iocoder.yudao.module.promotion.controller.admin.coupon.vo.CouponTemplateUpdateReqVO;
+import cn.iocoder.yudao.module.promotion.convert.coupon.CouponTemplateConvert;
+import cn.iocoder.yudao.module.promotion.dal.dataobject.coupon.CouponTemplateDO;
+import cn.iocoder.yudao.module.promotion.dal.mysql.coupon.CouponTemplateMapper;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import javax.annotation.Resource;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.promotion.enums.ErrorCodeConstants.*;
+
+/**
+ * 优惠劵模板 Service 实现类
+ *
+ * @author 芋道源码
+ */
+@Service
+@Validated
+public class CouponTemplateServiceImpl implements CouponTemplateService {
+
+    @Resource
+    private CouponTemplateMapper couponTemplateMapper;
+
+    @Override
+    public Long createCouponTemplate(CouponTemplateCreateReqVO createReqVO) {
+        // 插入
+        CouponTemplateDO couponTemplate = CouponTemplateConvert.INSTANCE.convert(createReqVO);
+        couponTemplateMapper.insert(couponTemplate);
+        // 返回
+        return couponTemplate.getId();
+    }
+
+    @Override
+    public void updateCouponTemplate(CouponTemplateUpdateReqVO updateReqVO) {
+        // 校验存在
+        CouponTemplateDO couponTemplate = validateCouponTemplateExists(updateReqVO.getId());
+        // 校验发放数量不能过小
+        if (updateReqVO.getTotalCount() < couponTemplate.getTakeCount()) {
+            throw exception(COUPON_TEMPLATE_TOTAL_COUNT_TOO_SMALL, couponTemplate.getTakeCount());
+        }
+
+        // 更新
+        CouponTemplateDO updateObj = CouponTemplateConvert.INSTANCE.convert(updateReqVO);
+        couponTemplateMapper.updateById(updateObj);
+    }
+
+    @Override
+    public void deleteCouponTemplate(Long id) {
+        // 校验存在
+        validateCouponTemplateExists(id);
+        // 删除
+        couponTemplateMapper.deleteById(id);
+    }
+
+    private CouponTemplateDO validateCouponTemplateExists(Long id) {
+        CouponTemplateDO couponTemplate = couponTemplateMapper.selectById(id);
+        if (couponTemplate == null) {
+            throw exception(COUPON_TEMPLATE_NOT_EXISTS);
+        }
+        return couponTemplate;
+    }
+
+    @Override
+    public CouponTemplateDO getCouponTemplate(Long id) {
+        return couponTemplateMapper.selectById(id);
+    }
+
+    @Override
+    public PageResult<CouponTemplateDO> getCouponTemplatePage(CouponTemplatePageReqVO pageReqVO) {
+        return couponTemplateMapper.selectPage(pageReqVO);
+    }
+
+}