fix bug,improve pagination cache and revise comment render

app/actions/comment.go

@@ -134,9 +134,14 @@ func PostComment(c *gin.Context) {
 			err = er
 			return
 		}
-		cache.NewCommentCache().Set(c, up.RawQuery, string(s))
+		uuu := ""
 		uu, _ := url.Parse(res.Header.Get("Location"))
-		uuu := str.Join(uu.Path, "?", uu.RawQuery)
+		if up.RawQuery != "" {
+			cache.NewCommentCache().Set(c, up.RawQuery, string(s))
+			uuu = str.Join(uu.Path, "?", uu.RawQuery)
+		} else {
+			uuu = str.Join(uu.Path)
+		}
 		c.Redirect(http.StatusFound, uuu)
 		return
 	}

app/pkg/cache/cache.go

@@ -8,6 +8,7 @@ import (
 	"github.com/fthvgb1/wp-go/app/pkg/models"
 	"github.com/fthvgb1/wp-go/cache"
 	"github.com/fthvgb1/wp-go/cache/cachemanager"
+	"github.com/fthvgb1/wp-go/helper"
 	"github.com/fthvgb1/wp-go/helper/slice"
 	"github.com/fthvgb1/wp-go/safety"
 	"time"
@@ -52,15 +53,30 @@ func InitActionsCommonCache() {
 		return config.GetConfig().CacheTime.RecentCommentsCacheTime
 	})
 
-	cachemanager.NewMemoryMapCache(nil, dao.PostComments, c.CacheTime.PostCommentsCacheTime,
+	cachemanager.NewMemoryMapCache(nil, dao.CommentNum, 30*time.Second, "commentNumber", func() time.Duration {
-		"postCommentIds",
+		return config.GetConfig().CacheTime.CommentsIncreaseUpdateTime
-		func() time.Duration {
+	})
+
+	cachemanager.NewPaginationCache(
+		cachemanager.NewMemoryMapCache[string, helper.PaginationData[uint64]](nil, nil, 30*time.Second,
+			"PostCommentsIds", func() time.Duration {
 				return config.GetConfig().CacheTime.PostCommentsCacheTime
 			},
-		cache.NewIncreaseUpdate("comment-increaseUpdate", dao.GetIncreaseComment, 30*time.Second,
+			cache.NewIncreaseUpdate("PostCommentsIds-increaseUpdate", CommentDataIncreaseUpdate, 30*time.Second,
 				func() time.Duration {
 					return config.GetConfig().CacheTime.CommentsIncreaseUpdateTime
-			}))
+				}),
+		),
+
+		1000, dao.PostCommentsIds, dao.PostCommentLocal, nil, nil, 300, "PostCommentsIds")
+
+	cachemanager.NewMemoryMapCache(dao.CommentDates, nil, time.Hour, "postCommentData", func() time.Duration {
+		return config.GetConfig().CacheTime.CommentsCacheTime
+	})
+
+	cachemanager.NewMemoryMapCache[uint64, []models.Comments](nil, CommentDataIncreaseUpdates, time.Hour, func() time.Duration {
+		return config.GetConfig().CacheTime.CommentsCacheTime
+	}, "increaseComment30s", cache.NewIncreaseUpdate("increaseComment30s", IncreaseUpdates, 30*time.Second, nil))
 
 	cachemanager.NewVarMemoryCache(dao.GetMaxPostId, c.CacheTime.MaxPostIdCacheTime, "maxPostId", func() time.Duration {
 		return config.GetConfig().CacheTime.MaxPostIdCacheTime
@@ -74,10 +90,6 @@ func InitActionsCommonCache() {
 		return config.GetConfig().CacheTime.UserInfoCacheTime
 	})
 
-	cachemanager.NewMemoryMapCache(dao.GetCommentByIds, nil, c.CacheTime.CommentsCacheTime, "commentData", func() time.Duration {
-		return config.GetConfig().CacheTime.CommentsCacheTime
-	})
-
 	cachemanager.NewVarMemoryCache(dao.AllUsername, c.CacheTime.UserInfoCacheTime, "allUsername", func() time.Duration {
 		return config.GetConfig().CacheTime.UserInfoCacheTime
 	})

app/pkg/cache/comments.go

@@ -2,11 +2,16 @@ package cache
 
 import (
 	"context"
+	"github.com/fthvgb1/wp-go/app/pkg/dao"
 	"github.com/fthvgb1/wp-go/app/pkg/logs"
 	"github.com/fthvgb1/wp-go/app/pkg/models"
+	"github.com/fthvgb1/wp-go/app/wpconfig"
 	"github.com/fthvgb1/wp-go/cache"
 	"github.com/fthvgb1/wp-go/cache/cachemanager"
+	"github.com/fthvgb1/wp-go/helper"
 	"github.com/fthvgb1/wp-go/helper/number"
+	"github.com/fthvgb1/wp-go/helper/slice"
+	str "github.com/fthvgb1/wp-go/helper/strings"
 	"time"
 )
 
@@ -20,23 +25,104 @@ func RecentComments(ctx context.Context, n int) (r []models.Comments) {
 	return
 }
 
-func PostComments(ctx context.Context, Id uint64) ([]models.Comments, error) {
+func PostComments(ctx context.Context, Id uint64) ([]models.PostComments, error) {
-	ids, err := cachemanager.Get[[]uint64]("postCommentIds", ctx, Id, time.Second)
+	ids, err := cachemanager.Get[[]uint64]("PostCommentsIds", ctx, Id, time.Second)
 	if err != nil {
 		return nil, err
 	}
-	return GetCommentByIds(ctx, ids)
+	return GetCommentDataByIds(ctx, ids)
 }
 
-func GetCommentById(ctx context.Context, id uint64) (models.Comments, error) {
+func GetCommentById(ctx context.Context, id uint64) (models.PostComments, error) {
-	return cachemanager.Get[models.Comments]("commentData", ctx, id, time.Second)
+	return cachemanager.Get[models.PostComments]("postCommentData", ctx, id, time.Second)
 }
 
-func GetCommentByIds(ctx context.Context, ids []uint64) ([]models.Comments, error) {
+func GetCommentDataByIds(ctx context.Context, ids []uint64) ([]models.PostComments, error) {
-	return cachemanager.GetMultiple[models.Comments]("commentData", ctx, ids, time.Second)
+	return cachemanager.GetMultiple[models.PostComments]("postCommentData", ctx, ids, time.Second)
 }
 
 func NewCommentCache() *cache.MapCache[string, string] {
 	r, _ := cachemanager.GetMapCache[string, string]("NewComment")
 	return r
 }
+
+func CommentDataIncreaseUpdates(_ context.Context, _ uint64, _ ...any) ([]models.Comments, error) {
+	return nil, nil
+}
+func IncreaseUpdates(ctx context.Context, currentData []models.Comments, postId uint64, t time.Time, _ ...any) ([]models.Comments, bool, bool, error) {
+	var maxId uint64
+	if len(currentData) > 0 {
+		maxId = currentData[len(currentData)-1].CommentId
+	} else {
+		maxId, err := dao.LatestCommentId(ctx, postId)
+		return []models.Comments{{CommentId: maxId}}, true, false, err
+	}
+	v, err := dao.IncreaseCommentData(ctx, postId, maxId, t)
+	if err != nil {
+		return nil, false, false, err
+	}
+	if len(v) < 1 {
+		return nil, false, true, nil
+	}
+	m, err := dao.CommentDates(ctx, v)
+	if err != nil {
+		return nil, false, false, err
+	}
+	CommentData, _ := cachemanager.GetMapCache[uint64, models.PostComments]("postCommentData")
+	data := slice.Map(v, func(t uint64) models.Comments {
+		comments := m[t].Comments
+		if comments.CommentParent > 0 {
+			vv, ok := CommentData.Get(ctx, comments.CommentParent)
+			if ok && !slice.IsContained(vv.Children, comments.CommentId) {
+				vv.Children = append(vv.Children, comments.CommentId)
+				CommentData.Set(ctx, comments.CommentParent, vv)
+			}
+		}
+		CommentData.Set(ctx, comments.CommentId, models.PostComments{Comments: comments})
+		return comments
+	})
+	return data, true, false, nil
+}
+
+func CommentDataIncreaseUpdate(ctx context.Context, currentData helper.PaginationData[uint64], postId string, _ time.Time, _ ...any) (data helper.PaginationData[uint64], save bool, refresh bool, err error) {
+	refresh = true
+	increaseUpdateData, _ := cachemanager.GetMapCache[uint64, []models.Comments]("increaseComment30s")
+	v, ok := increaseUpdateData.Get(ctx, str.ToInt[uint64](postId))
+	if !ok {
+		return
+	}
+	if len(v) < 1 {
+		return
+	}
+	if len(currentData.Data) > 0 {
+		if slice.IsContained(currentData.Data, v[0].CommentId) {
+			return
+		}
+	}
+
+	dat := slice.FilterAndMap(v, func(t models.Comments) (uint64, bool) {
+		if wpconfig.GetOption("thread_comments") != "1" || "1" == wpconfig.GetOption("thread_comments_depth") {
+			return t.CommentId, t.CommentId > 0
+		}
+		return t.CommentId, t.CommentId > 0 && t.CommentParent == 0
+	})
+	if len(dat) > 0 {
+		save = true
+		refresh = false
+		var a []uint64
+		a = append(currentData.Data, dat...)
+		slice.Sorts(a, wpconfig.GetOption("comment_order"))
+		data.Data = a
+		data.TotalRaw = len(data.Data)
+	}
+	return data, save, refresh, err
+}
+
+func UpdateCommentCache(ctx context.Context, timeout time.Duration, postId uint64) (err error) {
+	c, _ := cachemanager.GetPaginationCache[uint64, uint64]("PostCommentsIds")
+	if c.IsSwitchDB(postId) {
+		return
+	}
+	_, err = cachemanager.Get[[]models.Comments]("increaseComment30s", ctx, postId, timeout)
+	return
+}

app/pkg/cache/feed.go

@@ -106,7 +106,12 @@ func postFeed(c context.Context, id string, _ ...any) (x string, err error) {
 	if post.Id == 0 || err != nil {
 		return
 	}
-	comments, err := PostComments(c, post.Id)
+	limit := str.ToInteger(wpconfig.GetOption("comments_per_page"), 10)
+	ids, _, err := cachemanager.Pagination[uint64]("PostCommentsIds", c, time.Second, ID, 1, limit, "desc")
+	if err != nil {
+		return
+	}
+	comments, err := cachemanager.GetMultiple[models.PostComments]("postCommentData", c, ids, time.Second)
 	if err != nil {
 		return
 	}
@@ -135,7 +140,7 @@ func postFeed(c context.Context, id string, _ ...any) (x string, err error) {
 			}
 		}
 	} else {
-		rs.Items = slice.Map(comments, func(t models.Comments) rss2.Item {
+		rs.Items = slice.Map(comments, func(t models.PostComments) rss2.Item {
 			return rss2.Item{
 				Title:   fmt.Sprintf("评价者：%s", t.CommentAuthor),
 				Link:    fmt.Sprintf("%s/p/%d#comment-%d", site, post.Id, t.CommentId),
@@ -158,13 +163,13 @@ func commentsFeed(c context.Context, _ ...any) (r []string, err error) {
 	rs.LastBuildDate = time.Now().Format(timeFormat)
 	site := wpconfig.GetOption("siteurl")
 	rs.AtomLink = fmt.Sprintf("%s/comments/feed", site)
-	com, err := GetCommentByIds(c, slice.Map(commens, func(t models.Comments) uint64 {
+	com, err := GetCommentDataByIds(c, slice.Map(commens, func(t models.Comments) uint64 {
 		return t.CommentId
 	}))
 	if nil != err {
 		return []string{}, err
 	}
-	rs.Items = slice.Map(com, func(t models.Comments) rss2.Item {
+	rs.Items = slice.Map(com, func(t models.PostComments) rss2.Item {
 		post, _ := GetPostById(c, t.CommentPostId)
 		desc := "评论受保护：要查看请输入密码。"
 		content := t.CommentContent

app/pkg/dao/comments.go

@@ -5,9 +5,11 @@ import (
 	"database/sql"
 	"errors"
 	"github.com/fthvgb1/wp-go/app/pkg/models"
+	"github.com/fthvgb1/wp-go/app/wpconfig"
 	"github.com/fthvgb1/wp-go/helper"
 	"github.com/fthvgb1/wp-go/helper/number"
 	"github.com/fthvgb1/wp-go/helper/slice"
+	str "github.com/fthvgb1/wp-go/helper/strings"
 	"github.com/fthvgb1/wp-go/model"
 	"time"
 )
@@ -81,12 +83,13 @@ func GetCommentByIds(ctx context.Context, ids []uint64, _ ...any) (map[uint64]mo
 	return m, nil
 }
 
-func GetIncreaseComment(ctx context.Context, currentData []uint64, k uint64, t time.Time, _ ...any) (data []uint64, save bool, refresh bool, err error) {
+func GetIncreaseComment(ctx context.Context, currentData []uint64, k uint64, _ time.Time, _ ...any) (data []uint64, save bool, refresh bool, err error) {
 	r, err := model.ChunkFind[models.Comments](ctx, 1000, model.Conditions(
 		model.Where(model.SqlBuilder{
 			{"comment_approved", "1"},
 			{"comment_post_ID", "=", number.IntToString(k), "int"},
-			{"comment_date", ">=", t.Format(time.DateTime)},
+			//{"comment_date", ">=", t.Format(time.DateTime)},
+			{"comment_ID", ">", number.IntToString(currentData[len(currentData)-1])},
 		}),
 		model.Fields("comment_ID"),
 		model.Order(model.SqlBuilder{
@@ -112,3 +115,156 @@ func GetIncreaseComment(ctx context.Context, currentData []uint64, k uint64, t t
 	save = true
 	return
 }
+
+func CommentDates(ctx context.Context, CommentIds []uint64, _ ...any) (map[uint64]models.PostComments, error) {
+	if len(CommentIds) < 1 {
+		return nil, nil
+	}
+	m := make(map[uint64]models.PostComments)
+	off := 0
+	threadComments := wpconfig.GetOption("thread_comments")
+	where := model.SqlBuilder{
+		{"comment_approved", "1"},
+	}
+	var in [][]any
+	if threadComments == "1" {
+		where = append(where, []string{"and", "comment_ID", "in", "", "", "or", "comment_parent", "in", "", ""})
+	} else {
+		where = append(where, []string{"comment_ID", "in", ""})
+	}
+	for {
+		id := slice.Slice(CommentIds, off, 200)
+		if len(id) < 1 {
+			break
+		}
+		if threadComments == "1" {
+			in = [][]any{slice.ToAnySlice(id), slice.ToAnySlice(id)}
+		} else {
+			in = [][]any{slice.ToAnySlice(id)}
+		}
+		r, err := model.Finds[models.Comments](ctx, model.Conditions(
+			model.Where(where),
+			model.Fields("*"),
+			model.In(in...),
+		))
+		if err != nil {
+			return m, err
+		}
+		rr := slice.GroupBy(r, func(t models.Comments) (uint64, models.Comments) {
+			return t.CommentParent, t
+		})
+		mm := map[uint64][]uint64{}
+		for u, comments := range rr {
+			slice.SimpleSort(comments, slice.ASC, func(t models.Comments) uint64 {
+				return t.CommentId
+			})
+			mm[u] = slice.Map(comments, func(t models.Comments) uint64 {
+				return t.CommentId
+			})
+		}
+		for _, comments := range r {
+			var children []uint64
+			if threadComments == "1" {
+				children = mm[comments.CommentId]
+			}
+			v := models.PostComments{
+				Comments: comments,
+				Children: children,
+			}
+			m[comments.CommentId] = v
+		}
+		off += 200
+	}
+	return m, nil
+}
+
+func CommentNum(ctx context.Context, postId uint64, _ ...any) (int, error) {
+	n, err := model.GetField[models.Posts](ctx, "comment_count", model.Conditions(
+		model.Where(model.SqlBuilder{{"ID", "=", number.IntToString(postId), "int"}})))
+	if err != nil {
+		return 0, err
+	}
+	return str.ToInteger(n, 0), err
+}
+func PostCommentLocal(_ context.Context, data []uint64, _ uint64, page, limit int, _ ...any) ([]uint64, int, error) {
+	/*order := wpconfig.GetOption("comment_order")
+	if order == "desc" {
+		r := slice.ReversePagination(data, page, limit)
+		if len(r) < 1 {
+			return nil, 0, nil
+		}
+		r = slice.SortsNew(r, slice.DESC)
+		return r, len(data), nil
+	}*/
+	return slice.Pagination(data, page, limit), len(data), nil
+}
+
+func PostCommentsIds(ctx context.Context, postId uint64, page, limit, totalRaw int, _ ...any) ([]uint64, int, error) {
+	order := wpconfig.GetOption("comment_order")
+	threadComments := wpconfig.GetOption("thread_comments")
+	where := model.SqlBuilder{
+		{"comment_approved", "1"},
+		{"comment_post_ID", "=", number.IntToString(postId), "int"},
+	}
+	if threadComments == "1" || "1" == wpconfig.GetOption("thread_comments_depth") {
+		where = append(where, []string{"comment_parent", "0"})
+	}
+	r, total, err := model.Pagination[models.Comments](ctx, model.Conditions(
+		model.Where(where),
+		model.TotalRaw(totalRaw),
+		model.Fields("comment_ID"),
+		model.Order(model.SqlBuilder{
+			{"comment_date_gmt", order},
+			{"comment_ID", "asc"},
+		}),
+	), page, limit)
+	if err != nil && errors.Is(err, sql.ErrNoRows) {
+		err = nil
+	}
+	return slice.Map(r, func(t models.Comments) uint64 {
+		return t.CommentId
+	}), total, err
+}
+
+func IncreaseCommentData(ctx context.Context, postId, maxCommentId uint64, _ time.Time) ([]uint64, error) {
+	r, err := model.ChunkFind[models.Comments](ctx, 1000, model.Conditions(
+		model.Where(model.SqlBuilder{
+			{"comment_approved", "1"},
+			{"comment_post_ID", "=", number.IntToString(postId), "int"},
+			{"comment_ID", ">", number.IntToString(maxCommentId), "int"},
+		}),
+		model.Fields("comment_ID"),
+		model.Order(model.SqlBuilder{
+			{"comment_date_gmt", "asc"},
+			{"comment_ID", "asc"},
+		})),
+	)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			err = nil
+			return nil, nil
+		}
+		return nil, err
+	}
+	return slice.Map(r, func(t models.Comments) uint64 {
+		return t.CommentId
+	}), err
+}
+
+func LatestCommentId(ctx context.Context, postId uint64) (uint64, error) {
+	v, err := model.GetField[models.Comments](ctx, "comment_ID", model.Conditions(
+		model.Where(model.SqlBuilder{
+			{"comment_approved", "1"},
+			{"comment_post_ID", "=", number.IntToString(postId), "int"},
+		}),
+		model.Order(model.SqlBuilder{{"comment_ID", "desc"}}),
+		model.Limit(1),
+	))
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			err = nil
+		}
+		return 0, err
+	}
+	return str.ToInteger[uint64](v, 0), err
+}

app/pkg/db/db.go

@@ -3,14 +3,17 @@ package db
 import (
 	"context"
 	"github.com/fthvgb1/wp-go/app/pkg/config"
+	"github.com/fthvgb1/wp-go/cache/reload"
 	"github.com/fthvgb1/wp-go/model"
 	"github.com/fthvgb1/wp-go/safety"
 	_ "github.com/go-sql-driver/mysql"
 	"github.com/jmoiron/sqlx"
 	"log"
+	"runtime"
 )
 
 var safeDb = safety.NewVar[*sqlx.DB](nil)
+var showQuerySql func() bool
 
 func InitDb() (*safety.Var[*sqlx.DB], error) {
 	c := config.GetConfig()
@@ -36,6 +39,9 @@ func InitDb() (*safety.Var[*sqlx.DB], error) {
 	if preDb != nil {
 		_ = preDb.Close()
 	}
+	showQuerySql = reload.FnVal("showQuerySql", false, func() bool {
+		return config.GetConfig().ShowQuerySql
+	})
 	return safeDb, err
 }
 
@@ -44,14 +50,20 @@ func QueryDb(db *safety.Var[*sqlx.DB]) *model.SqlxQuery {
 		nil,
 		nil))
 	model.SetSelect(query, func(ctx context.Context, a any, s string, args ...any) error {
-		if config.GetConfig().ShowQuerySql {
+		if showQuerySql() {
-			go log.Println(model.FormatSql(s, args...))
+			_, f, l, _ := runtime.Caller(5)
+			go func() {
+				log.Printf("%v:%v %v\n", f, l, model.FormatSql(s, args...))
+			}()
 		}
 		return query.Selects(ctx, a, s, args...)
 	})
 	model.SetGet(query, func(ctx context.Context, a any, s string, args ...any) error {
-		if config.GetConfig().ShowQuerySql {
+		if showQuerySql() {
-			go log.Println(model.FormatSql(s, args...))
+			_, f, l, _ := runtime.Caller(5)
+			go func() {
+				log.Printf("%v:%v %v\n", f, l, model.FormatSql(s, args...))
+			}()
 		}
 		return query.Gets(ctx, a, s, args...)
 	})

app/pkg/models/wp_comments.go

@@ -29,3 +29,8 @@ func (w Comments) PrimaryKey() string {
 func (w Comments) Table() string {
 	return "wp_comments"
 }
+
+type PostComments struct {
+	Comments
+	Children []uint64
+}

app/plugins/comment.go

@@ -1,8 +1,10 @@
 package plugins
 
 import (
+	"context"
 	"github.com/fthvgb1/wp-go/app/pkg/models"
 	"github.com/fthvgb1/wp-go/app/wpconfig"
+	"github.com/fthvgb1/wp-go/helper/number"
 	"github.com/fthvgb1/wp-go/helper/slice"
 	str "github.com/fthvgb1/wp-go/helper/strings"
 	"github.com/gin-gonic/gin"
@@ -17,6 +19,7 @@ type CommentHandler struct {
 	depth            int
 	isTls            bool
 	i                CommentHtml
+	isThreadComments bool
 }
 
 type Comments struct {
@@ -25,7 +28,8 @@ type Comments struct {
 }
 
 type CommentHtml interface {
-	FormatLi(c *gin.Context, m models.Comments, depth int, isTls bool, eo, parent string) string
+	FormatLi(c context.Context, m models.Comments, depth, maxDepth, page int, isTls, isThreadComments bool, eo, parent string) string
+	FloorOrder(wpOrder string, i, j models.PostComments) bool
 }
 
 func FormatComments(c *gin.Context, i CommentHtml, comments []models.Comments, maxDepth int) string {
@@ -45,10 +49,10 @@ func FormatComments(c *gin.Context, i CommentHtml, comments []models.Comments, m
 		isTls:    isTls,
 		i:        i,
 	}
-	return h.formatComment(h.comments, true)
+	return h.formatComment(h.comments)
 }
 
-func (d CommentHandler) formatComment(comments []*Comments, isTop bool) (html string) {
+func (d CommentHandler) formatComment(comments []*Comments) (html string) {
 	s := str.NewBuilder()
 	if d.depth >= d.maxDepth {
 		comments = d.findComments(comments)
@@ -71,13 +75,11 @@ func (d CommentHandler) formatComment(comments []*Comments, isTop bool) (html st
 			parent = "parent"
 			fl = true
 		}
-		s.WriteString(d.i.FormatLi(d.Context, comment.Comments, d.depth, d.isTls, eo, parent))
+		s.WriteString(d.i.FormatLi(d.Context, comment.Comments, d.depth, d.maxDepth, 1, d.isTls, d.isThreadComments, eo, parent))
 		if fl {
 			d.depth++
-			s.WriteString(`<ol class="children">`, d.formatComment(comment.Children, false), `</ol>`)
+			s.WriteString(`<ol class="children">`, d.formatComment(comment.Children), `</ol>`)
-			if isTop {
+			d.depth--
-				d.depth = 1
-			}
 		}
 		s.WriteString("</li><!-- #comment-## -->")
 	}
@@ -140,8 +142,24 @@ func CommentRender() CommonCommentFormat {
 type CommonCommentFormat struct {
 }
 
-func (c CommonCommentFormat) FormatLi(ctx *gin.Context, m models.Comments, depth int, isTls bool, eo, parent string) string {
+func (c CommonCommentFormat) FormatLi(_ context.Context, m models.Comments, currentDepth, maxDepth, page int, isTls, isThreadComments bool, eo, parent string) string {
-	return FormatLi(CommonLi(), ctx, m, depth, isTls, eo, parent)
+	return FormatLi(CommonLi(), m, currentDepth, maxDepth, page, isTls, isThreadComments, eo, parent)
+}
+
+func (c CommonCommentFormat) FloorOrder(wpOrder string, i, j models.PostComments) bool {
+	return i.CommentId > j.CommentId
+}
+func respond(m models.Comments, isShow bool) string {
+	if !isShow {
+		return ""
+	}
+	pId := number.IntToString(m.CommentPostId)
+	cId := number.IntToString(m.CommentId)
+	return str.Replace(respondTml, map[string]string{
+		"{{PostId}}":        pId,
+		"{{CommentId}}":     cId,
+		"{{CommentAuthor}}": m.CommentAuthor,
+	})
 }
 
 var li = `
@@ -153,14 +171,11 @@ var li = `
                      src="{{Gravatar}}"
                      srcset="{{Gravatar}} 2x"
                      class="avatar avatar-56 photo" height="56" width="56" loading="lazy">
-                <b class="fn">
+                <b class="fn">{{CommentAuthor}}</b>
-                    <a href="{{CommentAuthorUrl}}" rel="external nofollow ugc"
-                       class="url">{{CommentAuthor}}</a>
-                </b>
                 <span class="says">说道：</span></div><!-- .comment-author -->
 
             <div class="comment-metadata">
-                <a href="/p/{{PostId}}#comment-{{CommentId}}">
+                <a href="/p/{{PostId}}/comment-page-{{page}}#comment-{{CommentId}}">
                     <time datetime="{{CommentDateGmt}}">{{CommentDate}}</time>
                 </a></div><!-- .comment-metadata -->
 
@@ -170,30 +185,38 @@ var li = `
             <p>{{CommentContent}}</p>
         </div><!-- .comment-content -->
 
-        <div class="reply">
+        {{respond}}
+    </article><!-- .comment-body -->
+
+`
+
+var respondTml = `<div class="reply">
             <a rel="nofollow" class="comment-reply-link"
                href="/p/{{PostId}}?replytocom={{CommentId}}#respond" data-commentid="{{CommentId}}" data-postid="{{PostId}}"
                data-belowelement="div-comment-{{CommentId}}" data-respondelement="respond"
                data-replyto="回复给{{CommentAuthor}}"
                aria-label="回复给{{CommentAuthor}}">回复</a>
-        </div>
+        </div>`
-    </article><!-- .comment-body -->
 
-`
+func FormatLi(li string, comments models.Comments, currentDepth, maxDepth, page int, isTls, isThreadComments bool, eo, parent string) string {
-
+	isShow := false
-func FormatLi(li string, c *gin.Context, comments models.Comments, depth int, isTls bool, eo, parent string) string {
+	if isThreadComments && currentDepth < maxDepth {
+		isShow = true
+	}
 	for k, v := range map[string]string{
 		"{{CommentId}}":        strconv.FormatUint(comments.CommentId, 10),
-		"{{Depth}}":            strconv.Itoa(depth),
+		"{{Depth}}":            strconv.Itoa(currentDepth),
 		"{{Gravatar}}":         Gravatar(comments.CommentAuthorEmail, isTls),
 		"{{CommentAuthorUrl}}": comments.CommentAuthorUrl,
 		"{{CommentAuthor}}":    comments.CommentAuthor,
 		"{{PostId}}":           strconv.FormatUint(comments.CommentPostId, 10),
+		"{{page}}":             strconv.Itoa(page),
 		"{{CommentDateGmt}}":   comments.CommentDateGmt.String(),
 		"{{CommentDate}}":      comments.CommentDate.Format("2006-01-02 15:04"),
 		"{{CommentContent}}":   comments.CommentContent,
 		"{{eo}}":               eo,
 		"{{parent}}":           parent,
+		"{{respond}}":          respond(comments, isShow),
 	} {
 		li = strings.Replace(li, k, v, -1)
 	}

app/plugins/pagination.go

@@ -2,6 +2,8 @@ package plugins
 
 import (
 	"fmt"
+	"github.com/fthvgb1/wp-go/app/wpconfig"
+	"github.com/fthvgb1/wp-go/helper"
 	str "github.com/fthvgb1/wp-go/helper/strings"
 	"regexp"
 	"strings"
@@ -18,6 +20,13 @@ type PageEle struct {
 func TwentyFifteenPagination() PageEle {
 	return twentyFifteen
 }
+func TwentyFifteenCommentPagination() CommentPageEle {
+	return twentyFifteenComment
+}
+
+type CommentPageEle struct {
+	PageEle
+}
 
 var twentyFifteen = PageEle{
 	PrevEle: `<a class="prev page-numbers" href="%s">上一页</a>`,
@@ -28,6 +37,12 @@ var twentyFifteen = PageEle{
 	CurrentEle: `<span aria-current="page" class="page-numbers current">
             <span class="meta-nav screen-reader-text">页 </span>%d</span>`,
 }
+var twentyFifteenComment = CommentPageEle{
+	PageEle{
+		PrevEle: `<div class="nav-previous"><a href="%s#comments">%s</a></div>`,
+		NextEle: `<div class="nav-next"><a href="%s#comments">%s</a></div>`,
+	},
+}
 
 func (p PageEle) Current(page, totalPage, totalRow int) string {
 	return fmt.Sprintf(p.CurrentEle, page)
@@ -50,6 +65,7 @@ func (p PageEle) Middle(page int, url string) string {
 }
 
 var reg = regexp.MustCompile(`(/page)/(\d+)`)
+var commentReg = regexp.MustCompile(`/comment-page-(\d+)`)
 
 func (p PageEle) Url(path, query string, page int) string {
 	if !strings.Contains(path, "/page/") {
@@ -67,3 +83,32 @@ func (p PageEle) Url(path, query string, page int) string {
 	}
 	return str.Join(path, query)
 }
+
+func (p CommentPageEle) Url(path, query string, page int) string {
+	if !strings.Contains(path, "/comment-page-") {
+		path = fmt.Sprintf("%s%s", path, "/comment-page-1")
+	}
+	path = commentReg.ReplaceAllString(path, fmt.Sprintf("/comment-page-%d", page))
+	path = strings.Replace(path, "//", "/", -1)
+	if path == "" {
+		path = "/"
+	}
+	return str.Join(path, query)
+}
+
+func (p CommentPageEle) Middle(page int, url string) string {
+	return ""
+}
+func (p CommentPageEle) Dots() string {
+	return ""
+}
+func (p CommentPageEle) Current(page, totalPage, totalRow int) string {
+	return ""
+}
+func (p CommentPageEle) Prev(url string) string {
+	return fmt.Sprintf(p.PrevEle, url, helper.Or(wpconfig.GetOption("comment_order") == "asc", "较早评论", "较新评论"))
+}
+
+func (p CommentPageEle) Next(url string) string {
+	return fmt.Sprintf(p.NextEle, url, helper.Or(wpconfig.GetOption("comment_order") == "asc", "较新评论", "较早评论"))
+}

app/theme/twentyfifteen/posts/detail.gohtml

@@ -52,14 +52,30 @@
 
                 {{ if .showComment}}
                     <div id="comments" class="comments-area">
-                        {{ if gt .post.CommentCount 0}}
+                        {{ if ne .comments ""}}
-                            <h2 class="comments-title">《{{.post.PostTitle}}》上有{{.post.CommentCount}}条评论 </h2>
+                            <h2 class="comments-title">《{{.post.PostTitle}}》上有{{.totalCommentNum}}条评论 </h2>
+                                {{if gt .totalCommentPage 1}}
+                                <nav class="navigation comment-navigation">
+                                    <h2 class="screen-reader-text">评论导航</h2>
+                                    <div class="nav-links">
+                                        {{ .commentPageNav|unescaped}}
+                                    </div><!-- .nav-links -->
+                                </nav>
+                                {{end}}
                             <ol class="comment-list">
                                 {{.comments|unescaped}}
                             </ol>
+                                {{if gt .totalCommentPage 1}}
+                                    <nav class="navigation comment-navigation">
+                                        <h2 class="screen-reader-text">评论导航</h2>
+                                        <div class="nav-links">
+                                            {{ .commentPageNav|unescaped}}
+                                        </div><!-- .nav-links -->
+                                    </nav>
+                                {{end}}
 
                         {{end}}
-                        {{if and (eq .post.CommentStatus "open") (eq ( "thread_comments" |getOption ) "1")}}
+                        {{if eq .post.CommentStatus "open"}}
                             <div id="respond" class="comment-respond">
                                 <h3 id="reply-title" class="comment-reply-title">发表回复
                                     <small>

app/theme/twentyseventeen/twentyseventeen.go

@@ -1,6 +1,7 @@
 package twentyseventeen
 
 import (
+	"context"
 	"fmt"
 	"github.com/fthvgb1/wp-go/app/pkg/constraints"
 	"github.com/fthvgb1/wp-go/app/pkg/constraints/widgets"
@@ -14,7 +15,6 @@ import (
 	"github.com/fthvgb1/wp-go/cache/reload"
 	"github.com/fthvgb1/wp-go/helper"
 	str "github.com/fthvgb1/wp-go/helper/strings"
-	"github.com/gin-gonic/gin"
 	"strings"
 )
 
@@ -103,7 +103,7 @@ type comment struct {
 	plugins.CommonCommentFormat
 }
 
-func (c comment) FormatLi(ctx *gin.Context, m models.Comments, depth int, isTls bool, eo, parent string) string {
+func (c comment) FormatLi(_ context.Context, m models.Comments, depth, maxDepth, page int, isTls, isThreadComments bool, eo, parent string) string {
 	templ := plugins.CommonLi()
 	templ = strings.ReplaceAll(templ, `<a rel="nofollow" class="comment-reply-link"
                href="/p/{{PostId}}?replytocom={{CommentId}}#respond" data-commentid="{{CommentId}}" data-postid="{{PostId}}"
@@ -114,7 +114,7 @@ func (c comment) FormatLi(ctx *gin.Context, m models.Comments, depth int, isTls
                data-belowelement="div-comment-{{CommentId}}" data-respondelement="respond"
                data-replyto="回复给{{CommentAuthor}}"
                aria-label="回复给{{CommentAuthor}}"><svg class="icon icon-mail-reply" aria-hidden="true" role="img"> <use href="#icon-mail-reply" xlink:href="#icon-mail-reply"></use> </svg>回复</a>`)
-	return plugins.FormatLi(templ, ctx, m, depth, isTls, eo, parent)
+	return plugins.FormatLi(templ, m, depth, maxDepth, page, isTls, isThreadComments, eo, parent)
 }
 
 func postThumbnail(h *wp.Handle, posts *models.Posts) {

app/theme/wp/comments.go

@@ -0,0 +1,103 @@
+package wp
+
+import (
+	"context"
+	"github.com/fthvgb1/wp-go/app/pkg/models"
+	"github.com/fthvgb1/wp-go/app/plugins"
+	"github.com/fthvgb1/wp-go/app/wpconfig"
+	"github.com/fthvgb1/wp-go/cache"
+	"github.com/fthvgb1/wp-go/cache/cachemanager"
+	"github.com/fthvgb1/wp-go/helper/slice"
+	str "github.com/fthvgb1/wp-go/helper/strings"
+	"time"
+)
+
+func RenderComment(ctx context.Context, page int, render plugins.CommentHtml, ids []uint64, timeout time.Duration, isTLS bool) (string, error) {
+	ca, _ := cachemanager.GetMapCache[uint64, models.PostComments]("postCommentData")
+	h := CommentHandle{
+		maxDepth:       str.ToInteger(wpconfig.GetOption("thread_comments_depth"), 5),
+		depth:          1,
+		isTls:          isTLS,
+		html:           render,
+		order:          wpconfig.GetOption("comment_order"),
+		ca:             ca,
+		threadComments: wpconfig.GetOption("thread_comments") == "1",
+		page:           page,
+	}
+	return h.formatComments(ctx, ids, timeout)
+}
+
+type CommentHandle struct {
+	maxDepth       int
+	depth          int
+	isTls          bool
+	html           plugins.CommentHtml
+	order          string
+	page           int
+	ca             *cache.MapCache[uint64, models.PostComments]
+	threadComments bool
+}
+
+func (c CommentHandle) findComments(ctx context.Context, timeout time.Duration, comments []models.PostComments) ([]models.PostComments, error) {
+	rr := slice.FilterAndMap(comments, func(t models.PostComments) ([]uint64, bool) {
+		return t.Children, len(t.Children) > 0
+	})
+	if len(rr) < 1 {
+		slice.Sort(comments, func(i, j models.PostComments) bool {
+			return c.html.FloorOrder(c.order, i, j)
+		})
+		return comments, nil
+	}
+	ids := slice.Decompress(rr)
+	r, err := c.ca.GetCacheBatch(ctx, ids, timeout)
+	if err != nil {
+		return nil, err
+	}
+	rrr, err := c.findComments(ctx, timeout, r)
+	if err != nil {
+		return nil, err
+	}
+	comments = slice.Map(comments, func(t models.PostComments) models.PostComments {
+		t.Children = nil
+		return t
+	})
+	comments = append(comments, rrr...)
+	return comments, nil
+}
+
+func (c CommentHandle) formatComments(ctx context.Context, ids []uint64, timeout time.Duration) (html string, err error) {
+	comments, err := c.ca.GetCacheBatch(ctx, ids, timeout)
+	if err != nil {
+		return "", err
+	}
+	if c.depth >= c.maxDepth {
+		comments, err = c.findComments(ctx, timeout, comments)
+	}
+	s := str.NewBuilder()
+	for i, comment := range comments {
+		eo := "even"
+		if (i+1)%2 == 0 {
+			eo = "odd"
+		}
+		parent := ""
+		fl := false
+		if c.threadComments && len(comment.Children) > 0 && c.depth < c.maxDepth+1 {
+			parent = "parent"
+			fl = true
+		}
+		s.WriteString(c.html.FormatLi(ctx, comment.Comments, c.depth, c.maxDepth, c.page, c.isTls, c.threadComments, eo, parent))
+		if fl {
+			c.depth++
+			ss, err := c.formatComments(ctx, comment.Children, timeout)
+			if err != nil {
+				return "", err
+			}
+			s.WriteString(`<ol class="children">`, ss, `</ol>`)
+			c.depth--
+		}
+		s.WriteString("</li><!-- #comment-## -->")
+	}
+
+	html = s.String()
+	return
+}

app/theme/wp/detail.go

@@ -10,15 +10,22 @@ import (
 	"github.com/fthvgb1/wp-go/app/plugins"
 	"github.com/fthvgb1/wp-go/app/plugins/wpposts"
 	"github.com/fthvgb1/wp-go/app/wpconfig"
+	"github.com/fthvgb1/wp-go/cache/cachemanager"
+	"github.com/fthvgb1/wp-go/helper/number"
 	str "github.com/fthvgb1/wp-go/helper/strings"
+	"github.com/fthvgb1/wp-go/plugin/pagination"
 	"net/http"
+	"time"
 )
 
 type DetailHandle struct {
 	*Handle
 	CommentRender plugins.CommentHtml
-	Comments      []models.Comments
+	Comments      []uint64
+	Page          int
+	Limit         int
 	Post          models.Posts
+	TotalRaw      int
 }
 
 func NewDetailHandle(handle *Handle) *DetailHandle {
@@ -80,11 +87,29 @@ func (d *DetailHandle) PasswordProject() {
 	}
 }
 func (d *DetailHandle) Comment() {
-	comments, err := cache.PostComments(d.C, d.Post.Id)
+	err := cache.UpdateCommentCache(d.C, time.Second, d.Post.Id)
-	logs.IfError(err, "get d.Post comment", d.Post.Id)
+	d.ginH["totalCommentNum"] = 0
-	d.ginH["comments"] = comments
+	d.ginH["totalCommentPage"] = 1
-	d.Comments = comments
+	d.ginH["commentPageNav"] = ""
-
+	d.ginH["commentOrder"] = wpconfig.GetOption("comment_order")
+	logs.IfError(err, "increase update comments err")
+	d.Page = str.ToInteger(d.C.Param("page"), 1)
+	d.ginH["currentPage"] = d.Page
+	d.Limit = str.ToInteger(wpconfig.GetOption("comments_per_page"), 5)
+	ids, totalCommentNum, err := cachemanager.Pagination[uint64]("PostCommentsIds", d.C, time.Second, d.Post.Id, d.Page, d.Limit, "desc")
+	if err != nil {
+		d.SetErr(err)
+		return
+	}
+	d.TotalRaw = totalCommentNum
+	num, err := cachemanager.Get[int]("commentNumber", d.C, d.Post.Id, time.Second)
+	if err != nil {
+		d.SetErr(err)
+		return
+	}
+	d.ginH["totalCommentNum"] = num
+	d.ginH["totalCommentPage"] = number.DivideCeil(totalCommentNum, d.Limit)
+	d.Comments = ids
 }
 
 func (d *DetailHandle) RenderComment() {
@@ -97,10 +122,19 @@ func (d *DetailHandle) RenderComment() {
 		ableComment = false
 	}
 	d.ginH["showComment"] = ableComment
-	if len(d.Comments) > 0 && ableComment {
+	d.ginH["comments"] = ""
-		dep := str.ToInteger(wpconfig.GetOption("thread_comments_depth"), 5)
+	if len(d.Comments) < 0 || !ableComment {
-		d.ginH["comments"] = plugins.FormatComments(d.C, d.CommentRender, d.Comments, dep)
+		return
 	}
+	var err error
+	d.ginH["comments"], err = RenderComment(d.C, d.Page, d.CommentRender, d.Comments, 2*time.Second, d.IsHttps())
+	if err != nil {
+		d.SetErr(err)
+		return
+	}
+	paginations := pagination.NewParsePagination(d.TotalRaw, d.Limit, d.Page, 1, d.C.Request.URL.RawQuery, d.C.Request.URL.Path)
+	d.ginH["commentPageNav"] = pagination.Paginate(plugins.TwentyFifteenCommentPagination(), paginations)
+
 }
 
 func (d *DetailHandle) ContextPost() {

cache/cachemanager/manger.go

@@ -185,7 +185,9 @@ func NewPaginationCache[K comparable, V any](m *cache.MapCache[string, helper.Pa
 	if fet == nil {
 		fet = reload.FnVal(str.Join("paginationCache-", name, "-fetchNum"), fetchNum, nil)
 	}
-	return cache.NewPagination(m, ma, dbFn, localFn, dbKeyFn, localKeyFn, fet, name)
+	p := cache.NewPagination(m, ma, dbFn, localFn, dbKeyFn, localKeyFn, fet, name)
+	mapCache.Store(name, p)
+	return p
 }
 
 func NewMapCache[K comparable, V any](data cache.Cache[K, V], batchFn cache.MapBatchFn[K, V], fn cache.MapSingleFn[K, V], args ...any) *cache.MapCache[K, V] {
@@ -219,9 +221,9 @@ func SetExpireTime(c cache.SetTime, name string, expireTime time.Duration, expir
 	c.SetExpiredTime(fn)
 }
 
-func ChangeExpireTime(t time.Duration, name ...string) {
+func ChangeExpireTime(t time.Duration, coverConf bool, name ...string) {
 	for _, s := range name {
-		reload.ChangeFnVal(s, t)
+		reload.ChangeFnVal(s, t, coverConf)
 	}
 }
 
@@ -291,3 +293,28 @@ func GetMapCache[K comparable, V any](name string) (*cache.MapCache[K, V], bool)
 	vv, err := getMap[K, V](name)
 	return vv, err == nil
 }
+
+func GetPaginationCache[K comparable, V any](name string) (*cache.Pagination[K, V], bool) {
+	v, err := getPagination[K, V](name)
+	return v, err == nil
+}
+
+func Pagination[V any, K comparable](name string, ctx context.Context, timeout time.Duration, k K, page, limit int, a ...any) ([]V, int, error) {
+	v, err := getPagination[K, V](name)
+	if err != nil {
+		return nil, 0, err
+	}
+	return v.Pagination(ctx, timeout, k, page, limit, a...)
+}
+
+func getPagination[K comparable, T any](name string) (*cache.Pagination[K, T], error) {
+	m, ok := mapCache.Load(name)
+	if !ok {
+		return nil, errors.New(str.Join("cache ", name, " doesn't exist"))
+	}
+	vk, ok := m.(*cache.Pagination[K, T])
+	if !ok {
+		return nil, errors.New(str.Join("cache ", name, " type error"))
+	}
+	return vk, nil
+}

cache/cachemanager/manger_test.go

@@ -72,7 +72,7 @@ func TestSetExpireTime(t *testing.T) {
 		fmt.Println(c.Get(ctx, "xx"))
 		time.Sleep(time.Second)
 		fmt.Println(c.Get(ctx, "xx"))
-		ChangeExpireTime(3*time.Second, "xx")
+		ChangeExpireTime(3*time.Second, true, "xx")
 		c.Set(ctx, "xx", "yyy")
 		time.Sleep(time.Second)
 		fmt.Println(c.Get(ctx, "xx"))

cache/pagination.go

@@ -30,7 +30,14 @@ type DbFn[K comparable, V any] func(ctx context.Context, k K, page, limit, total
 
 type LocalFn[K comparable, V any] func(ctx context.Context, data []V, k K, page, limit int, a ...any) ([]V, int, error)
 
-func NewPagination[K comparable, V any](m *MapCache[string, helper.PaginationData[V]], maxNum func() int, dbFn DbFn[K, V], localFn LocalFn[K, V], dbKeyFn, localKeyFn func(K, ...any) string, batchFetchNum func() int, name string) *Pagination[K, V] {
+func (p *Pagination[K, V]) IsSwitchDB(k K) bool {
+	v, _ := p.isSwitch.Load(k)
+	return v == true
+}
+
+func NewPagination[K comparable, V any](m *MapCache[string, helper.PaginationData[V]], maxNum func() int,
+	dbFn DbFn[K, V], localFn LocalFn[K, V], dbKeyFn, localKeyFn func(K, ...any) string,
+	batchFetchNum func() int, name string) *Pagination[K, V] {
 	if dbKeyFn == nil {
 		dbKeyFn = func(k K, a ...any) string {
 			s := str.NewBuilder()
@@ -66,6 +73,7 @@ func (p *Pagination[K, V]) Pagination(ctx context.Context, timeout time.Duration
 	data, total, err := p.paginationByLocal(ctx, timeout, k, page, limit, a...)
 	if err != nil {
 		if errors.Is(err, switchDb) {
+			p.isSwitch.Store(k, true)
 			err = nil
 			return p.paginationByDB(ctx, timeout, k, page, limit, total, a...)
 		}
@@ -101,11 +109,15 @@ func (p *Pagination[K, V]) paginationByLocal(ctx context.Context, timeout time.D
 	if err != nil {
 		return nil, 0, err
 	}
+	if totalRaw < 1 {
+		data.Data = nil
+		data.TotalRaw = 0
+		p.Set(ctx, key, data)
+		return nil, 0, nil
+	}
 	if totalRaw >= p.maxNum() {
-		p.isSwitch.Store(k, true)
 		return nil, totalRaw, switchDb
 	}
-	if len(da) < totalRaw {
 	totalPage := number.DivideCeil(totalRaw, batchNum)
 	for i := 1; i <= totalPage; i++ {
 		daa, _, err := p.fetchDb(ctx, timeout, k, i, batchNum, totalRaw, a...)
@@ -117,20 +129,27 @@ func (p *Pagination[K, V]) paginationByLocal(ctx context.Context, timeout time.D
 	data.Data = da
 	data.TotalRaw = totalRaw
 	p.Set(ctx, key, data)
-	}
 
 	return p.localFn(ctx, data.Data, k, page, limit, a...)
 }
 
+func (p *Pagination[K, V]) dbGet(ctx context.Context, key string) (helper.PaginationData[V], bool) {
+	data, ok := p.Get(ctx, key)
+	if ok && p.increaseUpdate != nil && p.increaseUpdate.CycleTime() > p.GetExpireTime(ctx)-p.Ttl(ctx, key) {
+		return data, true
+	}
+	return data, false
+}
+
 func (p *Pagination[K, V]) paginationByDB(ctx context.Context, timeout time.Duration, k K, page, limit, totalRaw int, a ...any) ([]V, int, error) {
 	key := p.dbKeyFn(k, append([]any{page, limit}, a...)...)
-	data, ok := p.Get(ctx, key)
+	data, ok := p.dbGet(ctx, key)
 	if ok {
 		return data.Data, data.TotalRaw, nil
 	}
 	p.mux.Lock()
 	defer p.mux.Unlock()
-	data, ok = p.Get(ctx, key)
+	data, ok = p.dbGet(ctx, key)
 	if ok {
 		return data.Data, data.TotalRaw, nil
 	}

cache/reload/reload.go

@@ -304,7 +304,7 @@ func FnVal[T any](name string, t T, fn func() T) func() T {
 	}
 }
 
-func ChangeFnVal[T any](name string, val T) {
+func ChangeFnVal[T any](name string, val T, coverConf bool) {
 	v, ok := anyMap.Load(name)
 	if !ok {
 		return
@@ -313,7 +313,7 @@ func ChangeFnVal[T any](name string, val T) {
 	if !ok {
 		return
 	}
-	if !vv.isUseManger.Load() {
+	if coverConf && !vv.isUseManger.Load() {
 		vv.isUseManger.Store(true)
 	}
 	vv.v.Store(val)

cache/reload/reload_test.go

@@ -8,22 +8,22 @@ import (
 func TestFlushMapVal(t *testing.T) {
 	t.Run("t1", func(t *testing.T) {
 		c := 0
-		v := GetAnyValMapBy("key", 2, struct{}{}, func(a struct{}) int {
+		v := GetAnyValMapBy("key", 2, struct{}{}, func(a struct{}) (int, bool) {
 			c++
-			return 33
+			return 33, true
 		})
 		fmt.Println(v)
 		FlushMapVal("key", 2)
 
-		v = GetAnyValMapBy("key", 2, struct{}{}, func(a struct{}) int {
+		v = GetAnyValMapBy("key", 2, struct{}{}, func(a struct{}) (int, bool) {
 			fmt.Println("xxxxx")
-			return 33
+			return 33, true
 		})
 		fmt.Println(v)
 		FlushAnyVal("key")
-		v = GetAnyValMapBy("key", 2, struct{}{}, func(a struct{}) int {
+		v = GetAnyValMapBy[int, int, struct{}]("key", 2, struct{}{}, func(a struct{}) (int, bool) {
 			fmt.Println("yyyy")
-			return 33
+			return 33, true
 		})
 		fmt.Println(v)
 	})

cache/vars.go

@@ -156,8 +156,11 @@ type VarMemoryCache[T any] struct {
 }
 
 func (c *VarMemoryCache[T]) ClearExpired(ctx context.Context) {
+	_, ok := c.Get(ctx)
+	if !ok {
 		c.Flush(ctx)
 	}
+}
 
 func NewVarMemoryCache[T any](expireTime func() time.Duration) *VarMemoryCache[T] {
 	return &VarMemoryCache[T]{v: safety.NewVar(vars[T]{}), expireTime: expireTime}

helper/maps/function.go

@@ -185,7 +185,7 @@ func DescEahByKey[K constraints.Ordered, V any](m map[K]V, fn func(K, V)) {
 	orderedEahByKey(m, slice.ASC, fn)
 }
 
-func orderedEahByKey[K constraints.Ordered, V any](m map[K]V, ordered int, fn func(K, V)) {
+func orderedEahByKey[K constraints.Ordered, V any](m map[K]V, ordered string, fn func(K, V)) {
 	keys := Keys(m)
 	slice.Sorts(keys, ordered)
 	for _, key := range keys {

helper/slice/slice.go

@@ -125,12 +125,23 @@ func Pagination[T any](arr []T, page, pageSize int) []T {
 	if start > l {
 		start = l
 	}
-	end := page * pageSize
+	end := start + pageSize
 	if l < end {
 		end = l
 	}
 	return arr[start:end]
 }
+func ReversePagination[T any](arr []T, page, pageSize int) []T {
+	end := len(arr) - (page-1)*pageSize
+	if end <= 0 {
+		return nil
+	}
+	start := end - pageSize
+	if start < 0 {
+		start = 0
+	}
+	return arr[start:end]
+}
 
 func Chunk[T any](arr []T, size int) [][]T {
 	var r [][]T

helper/slice/sort.go

@@ -6,8 +6,8 @@ import (
 )
 
 const (
-	ASC = iota
+	ASC  = "asc"
-	DESC
+	DESC = "desc"
 )
 
 type anyArr[T any] struct {
@@ -44,7 +44,7 @@ func StableSort[T any](arr []T, fn func(i, j T) bool) {
 	sort.Stable(slice)
 }
 
-func Sorts[T constraints.Ordered](a []T, order int) {
+func Sorts[T constraints.Ordered](a []T, order string) {
 	slice := anyArr[T]{
 		data: a,
 		fn: func(i, j T) bool {
@@ -56,8 +56,23 @@ func Sorts[T constraints.Ordered](a []T, order int) {
 	}
 	sort.Sort(slice)
 }
+func SortsNew[T constraints.Ordered](a []T, order string) []T {
+	r := make([]T, len(a))
+	copy(r, a)
+	slice := anyArr[T]{
+		data: r,
+		fn: func(i, j T) bool {
+			if order == DESC {
+				return i > j
+			}
+			return i < j
+		},
+	}
+	sort.Sort(slice)
+	return r
+}
 
-func SimpleSort[T any, O constraints.Ordered](a []T, order int, fn func(t T) O) {
+func SimpleSort[T any, O constraints.Ordered](a []T, order string, fn func(t T) O) {
 	slice := anyArr[T]{
 		data: a,
 		fn: func(i, j T) bool {

helper/slice/sort_test.go

@@ -74,7 +74,7 @@ func TestSort(t *testing.T) {
 func TestSorts(t *testing.T) {
 	type args[T constraints.Ordered] struct {
 		a     []T
-		order int
+		order string
 	}
 	type testCase[T constraints.Ordered] struct {
 		name string
@@ -169,7 +169,7 @@ func TestSimpleSort(t *testing.T) {
 
 	type args[T any, O constraints.Ordered] struct {
 		a     []T
-		order int
+		order string
 		fn    func(t T) O
 	}
 	type testCase[T any, O constraints.Ordered] struct {