广告素材增加排序字段
advitise_info 增加 sort 字段,列表默认按 sort 从小到大排序。 info/list 增加 orderBy 参数: sortAsc(默认) / sortDesc / newest, 三种排序末尾都追加 _id 作为最后一级,避免同值文档在分页时重复或漏数据。 启动时回填历史数据缺失的 sort 字段: 缺字段的文档在升序里会排在 0 之前, 且按 sort=0 精确查询查不到。用 UpdateMMany 避免刷新全表 updatedAt。 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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@@ -14,6 +14,7 @@ type AdvitiseInfoListReq struct {
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Title string `json:"title" form:"title"`
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Remark string `json:"remark" form:"remark"`
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Status *bool `json:"status" form:"status"`
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OrderBy string `json:"orderBy" form:"orderBy"` // 排序方式:sortAsc(默认,从小到大) / sortDesc(从大到小) / newest(最新)
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PageNum int64 `json:"pageNum" form:"pageNum" binding:"required,gte=1"`
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PageSize int64 `json:"pageSize" form:"pageSize" binding:"required,gte=1,lte=500"`
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}
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@@ -37,6 +38,7 @@ type AddAdvitiseInfoReq struct {
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RandomNames []string `json:"randomNames"`
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Link string `json:"link"`
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Status bool `json:"status"`
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Sort int64 `json:"sort"`
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StartTime time.Time `json:"startTime"`
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EndTime time.Time `json:"endTime"`
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Remark string `json:"remark"`
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@@ -58,6 +60,7 @@ type UpdateAdvitiseInfoReq struct {
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RandomNames *[]string `json:"randomNames"`
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Link *string `json:"link"`
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Status *bool `json:"status"`
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Sort *int64 `json:"sort"`
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StartTime *time.Time `json:"startTime"`
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EndTime *time.Time `json:"endTime"`
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Remark *string `json:"remark"`
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@@ -20,10 +20,31 @@ func Init(ctx context.Context) {
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{Key: FN.AdvitiseInfo.Status, Value: 1},
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}},
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{Keys: bson.D{{Key: FN.AdvitiseInfo.CreatedAt, Value: -1}}},
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{Keys: bson.D{
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{Key: FN.AdvitiseInfo.Sort, Value: 1},
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{Key: FN.AdvitiseInfo.CreatedAt, Value: -1},
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}},
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}
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if _, err := db.CreateIndex(ctx, indexes); err != nil {
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panic(fmt.Sprintf("(advitiseInfoMod:Init) CreateIndex failed: %+v", err))
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}
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backfillSort(ctx)
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}
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// backfillSort 给历史数据补 sort 字段。缺字段的文档在升序排序里会排在 0 之前,
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// 且按 sort=0 精确查询查不到,所以启动时统一补 0。幂等,补完后不再命中。
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func backfillSort(ctx context.Context) {
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ret, err := db.UpdateMMany(ctx,
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bson.M{FN.AdvitiseInfo.Sort: bson.M{"$exists": false}},
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bson.M{"$set": bson.M{FN.AdvitiseInfo.Sort: int64(0)}},
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)
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if err != nil {
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log.Warn("advitiseInfoMod backfill sort failed", log.E(err))
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return
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}
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if ret != nil && ret.ModifiedCount > 0 {
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log.Info("advitiseInfoMod backfill sort done", log.Any("modified", ret.ModifiedCount))
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}
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}
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func InsertOneAdvitiseInfo(ctx context.Context, doc *AdvitiseInfo) error {
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@@ -76,4 +97,3 @@ func FindManyAdvitiseInfos(ctx context.Context, filter bson.M, opts ...*options.
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}
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return list, nil
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}
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@@ -15,6 +15,7 @@ type TagAdvitiseInfo struct {
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RandomNames string
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Link string
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Status string
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Sort string
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StartTime string
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EndTime string
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Remark string
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@@ -46,6 +47,7 @@ func init() {
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FN.AdvitiseInfo.RandomNames = "randomNames"
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FN.AdvitiseInfo.Link = "link"
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FN.AdvitiseInfo.Status = "status"
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FN.AdvitiseInfo.Sort = "sort"
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FN.AdvitiseInfo.StartTime = "startTime"
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FN.AdvitiseInfo.EndTime = "endTime"
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FN.AdvitiseInfo.Remark = "remark"
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@@ -24,6 +24,7 @@ type AdvitiseInfo struct {
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RandomNames []string `json:"randomNames" bson:"randomNames"` // 随机名称
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Link string `json:"link" bson:"link"` // 跳转链接
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Status bool `json:"status" bson:"status"` // 是否激活
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Sort int64 `json:"sort" bson:"sort"` // 排序值,从小到大
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StartTime time.Time `json:"startTime" bson:"startTime"` // 开始时间
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EndTime time.Time `json:"endTime" bson:"endTime"` // 结束时间
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Remark string `json:"remark" bson:"remark"` // 备注
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@@ -31,7 +31,7 @@ func InfoList(ctx context.Context, req *proto.AdvitiseInfoListReq) (*proto.Advit
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return nil, err
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}
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opt := &options.FindOptions{}
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opt.SetSort(bson.D{{Key: advitiseInfoMod.FN.AdvitiseInfo.CreatedAt, Value: -1}})
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opt.SetSort(infoListOrder(req.OrderBy))
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opt.SetSkip((req.PageNum - 1) * req.PageSize)
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opt.SetLimit(req.PageSize)
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list, err := advitiseInfoMod.FindManyAdvitiseInfos(ctx, filter, opt)
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@@ -43,6 +43,39 @@ func InfoList(ctx context.Context, req *proto.AdvitiseInfoListReq) (*proto.Advit
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return resp, nil
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}
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// 列表排序方式
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const (
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OrderBySortAsc = "sortAsc" // 排序值从小到大(默认)
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OrderBySortDesc = "sortDesc" // 排序值从大到小
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OrderByNewest = "newest" // 按创建时间,最新在前
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)
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// infoListOrder 把排序方式翻成 mongo 的 sort 文档。
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// 末尾一律追加 _id 作为最后一级,sort/createdAt 相同的文档顺序才是确定的,
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// 否则 skip/limit 翻页会出现重复或漏数据。
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func infoListOrder(orderBy string) bson.D {
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fn := advitiseInfoMod.FN.AdvitiseInfo
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switch orderBy {
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case OrderBySortDesc:
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return bson.D{
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{Key: fn.Sort, Value: -1},
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{Key: fn.CreatedAt, Value: -1},
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{Key: fn.Id, Value: -1},
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}
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case OrderByNewest:
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return bson.D{
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{Key: fn.CreatedAt, Value: -1},
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{Key: fn.Id, Value: -1},
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}
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default: // OrderBySortAsc 及未传值
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return bson.D{
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{Key: fn.Sort, Value: 1},
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{Key: fn.CreatedAt, Value: -1},
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{Key: fn.Id, Value: -1},
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}
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}
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}
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func InfoAdd(ctx context.Context, req *proto.AddAdvitiseInfoReq) error {
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now := time.Now()
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doc := &advitiseInfoMod.AdvitiseInfo{
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@@ -60,6 +93,7 @@ func InfoAdd(ctx context.Context, req *proto.AddAdvitiseInfoReq) error {
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RandomNames: emptyIfNil(req.RandomNames),
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Link: req.Link,
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Status: req.Status,
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Sort: req.Sort,
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StartTime: req.StartTime,
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EndTime: req.EndTime,
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Remark: req.Remark,
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@@ -113,6 +147,9 @@ func InfoUpdate(ctx context.Context, req *proto.UpdateAdvitiseInfoReq) error {
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if req.Status != nil {
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set[advitiseInfoMod.FN.AdvitiseInfo.Status] = *req.Status
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}
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if req.Sort != nil {
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set[advitiseInfoMod.FN.AdvitiseInfo.Sort] = *req.Sort
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}
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if req.StartTime != nil {
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set[advitiseInfoMod.FN.AdvitiseInfo.StartTime] = *req.StartTime
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}
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