修改了 系统优惠卷详情 ，增加发放记录

api/model/couponGrant.go

@@ -0,0 +1,39 @@
+package model
+
+import (
+	"gorm.io/gorm"
+	"hospital-admin-api/global"
+	"time"
+)
+
+// CouponGrant 优惠卷发放记录表
+type CouponGrant struct {
+	GrantId       int64  `gorm:"column:grant_id;type:bigint(19);primary_key;comment:主键id" json:"grant_id"`
+	CouponId      int64  `gorm:"column:coupon_id;type:bigint(19);comment:优惠卷id" json:"coupon_id"`
+	GrantType     int    `gorm:"column:grant_type;type:tinyint(1);default:1;comment:发放类型(1:具体用户 2:未拥有用户)" json:"grant_type"`
+	UserId        int64  `gorm:"column:user_id;type:bigint(19);comment:用户id（发放类型为具体用户时存在）" json:"user_id"`
+	TotalQuantity int    `gorm:"column:total_quantity;type:int(5);default:0;comment:目标发放数量" json:"total_quantity"`
+	GrantQuantity int    `gorm:"column:grant_quantity;type:int(5);comment:已发放数量" json:"grant_quantity"`
+	GrantResult   int    `gorm:"column:grant_result;type:tinyint(1);default:2;comment:发放结果（1:成功 2:发放中 3:部分 4:失败）" json:"grant_result"`
+	StopReason    string `gorm:"column:stop_reason;type:varchar(255);comment:停止原因" json:"stop_reason"`
+	AdminUserId   int64  `gorm:"column:admin_user_id;type:bigint(19);comment:后台操作用户id" json:"admin_user_id"`
+	Model
+}
+
+func (m *CouponGrant) TableName() string {
+	return "gdxz_coupon_grant"
+}
+
+func (m *CouponGrant) BeforeCreate(tx *gorm.DB) error {
+	if m.GrantId == 0 {
+		m.GrantId = global.Snowflake.Generate().Int64()
+	}
+
+	m.CreatedAt = LocalTime(time.Now())
+	tx.Statement.SetColumn("CreatedAt", m.CreatedAt)
+
+	m.UpdatedAt = LocalTime(time.Now())
+	tx.Statement.SetColumn("UpdatedAt", m.UpdatedAt)
+
+	return nil
+}