291 lines
7.6 KiB
Go
291 lines
7.6 KiB
Go
package actions
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import (
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"context"
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"fmt"
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"github.com/gin-contrib/sessions"
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"github.com/gin-gonic/gin"
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"github/fthvgb1/wp-go/actions/common"
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"github/fthvgb1/wp-go/helper"
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"github/fthvgb1/wp-go/models"
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"math"
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"net/http"
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"regexp"
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"strconv"
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"strings"
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)
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type indexHandle struct {
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c *gin.Context
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session sessions.Session
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page int
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pageSize int
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title string
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titleL string
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titleR string
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search string
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totalPage int
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category string
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categoryType string
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where models.SqlBuilder
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orderBy models.SqlBuilder
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order string
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join models.SqlBuilder
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postType []interface{}
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status []interface{}
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header string
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paginationStep int
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}
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func newIndexHandle(ctx *gin.Context) *indexHandle {
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return &indexHandle{
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c: ctx,
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session: sessions.Default(ctx),
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page: 1,
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pageSize: 10,
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paginationStep: 1,
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titleL: models.Options["blogname"],
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titleR: models.Options["blogdescription"],
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where: models.SqlBuilder{
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{"post_type", "in", ""},
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{"post_status", "in", ""},
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},
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orderBy: models.SqlBuilder{},
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join: models.SqlBuilder{},
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postType: []interface{}{"post"},
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status: []interface{}{"publish"},
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}
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}
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func (h *indexHandle) setTitleLR(l, r string) {
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h.titleL = l
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h.titleR = r
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}
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func (h *indexHandle) getTitle() string {
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h.title = fmt.Sprintf("%s-%s", h.titleL, h.titleR)
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return h.title
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}
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func (h *indexHandle) parseParams() {
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h.order = h.c.Query("order")
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if !helper.IsContainInArr(h.order, []string{"asc", "desc"}) {
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h.order = "asc"
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}
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year := h.c.Param("year")
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if year != "" {
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h.where = append(h.where, []string{
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"year(post_date)", year,
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})
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}
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month := h.c.Param("month")
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if month != "" {
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h.where = append(h.where, []string{
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"month(post_date)", month,
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})
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ss := fmt.Sprintf("%s年%s月", year, strings.TrimLeft(month, "0"))
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h.header = fmt.Sprintf("月度归档： <span>%s</span>", ss)
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h.setTitleLR(ss, models.Options["blogname"])
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}
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category := h.c.Param("category")
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if category == "" {
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category = h.c.Param("tag")
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if category != "" {
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h.categoryType = "post_tag"
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h.header = fmt.Sprintf("标签： <span>%s</span>", category)
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}
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} else {
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h.categoryType = "category"
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h.header = fmt.Sprintf("分类： <span>%s</span>", category)
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}
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h.category = category
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if category != "" {
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h.where = append(h.where, []string{
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"d.name", category,
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}, []string{"taxonomy", h.categoryType})
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h.join = append(h.join, []string{
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"a", "left join", "wp_term_relationships b", "a.Id=b.object_id",
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}, []string{
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"left join", "wp_term_taxonomy c", "b.term_taxonomy_id=c.term_taxonomy_id",
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}, []string{
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"left join", "wp_terms d", "c.term_id=d.term_id",
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})
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h.setTitleLR(category, models.Options["blogname"])
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}
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s := h.c.Query("s")
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if s != "" && strings.Replace(s, " ", "", -1) != "" {
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q := helper.StrJoin("%", s, "%")
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h.where = append(h.where, []string{
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"and", "post_title", "like", q, "",
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"or", "post_content", "like", q, "",
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"or", "post_excerpt", "like", q, "",
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}, []string{"post_password", ""})
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h.postType = append(h.postType, "page", "attachment")
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h.header = fmt.Sprintf("%s的搜索结果", s)
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h.setTitleLR(helper.StrJoin(`"`, s, `"`, "的搜索结果"), models.Options["blogname"])
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h.search = s
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} else {
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h.status = append(h.status, "private")
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}
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p := h.c.Query("paged")
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if p == "" {
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p = h.c.Param("page")
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}
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if p != "" {
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if pa, err := strconv.Atoi(p); err == nil {
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h.page = pa
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}
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}
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if h.page > 1 && (h.category != "" || h.search != "" || month != "") {
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h.setTitleLR(fmt.Sprintf("%s-第%d页", h.titleL, h.page), models.Options["blogname"])
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}
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}
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func (h *indexHandle) getTotalPage(totalRaws int) int {
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h.totalPage = int(math.Ceil(float64(totalRaws) / float64(h.pageSize)))
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return h.totalPage
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}
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func Index(c *gin.Context) {
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h := newIndexHandle(c)
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h.parseParams()
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ctx := context.TODO()
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archive := common.Archives()
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recent := common.RecentPosts(ctx)
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categoryItems := common.Categories(ctx)
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comments := common.RecentComments(ctx)
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ginH := gin.H{
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"options": models.Options,
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"recentPosts": recent,
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"archives": archive,
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"categories": categoryItems,
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"search": h.search,
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"header": h.header,
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"title": h.getTitle(),
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"comments": comments,
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}
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postIds, totalRaw, err := models.SimplePagination[models.WpPosts](h.where, "ID", "", h.page, h.pageSize, h.orderBy, h.join, h.postType, h.status)
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defer func() {
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c.HTML(http.StatusOK, "posts/index.gohtml", ginH)
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if err != nil {
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c.Error(err)
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}
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}()
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if err != nil {
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return
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}
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if len(postIds) < 1 && h.category != "" {
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h.titleL = "未找到页面"
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}
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err = common.QueryAndSetPostCache(postIds)
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pw := h.session.Get("post_password")
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for i, v := range postIds {
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post, _ := common.PostsCache.Load(v.Id)
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pp := post.(*models.WpPosts)
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px := *pp
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common.PasswordProjectTitle(&px)
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if px.PostPassword != "" && pw != px.PostPassword {
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common.PasswdProjectContent(&px)
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}
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postIds[i] = px
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}
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for i, post := range recent {
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if post.PostPassword != "" && pw != post.PostPassword {
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common.PasswdProjectContent(&recent[i])
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}
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}
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q := c.Request.URL.Query().Encode()
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ginH["posts"] = postIds
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ginH["totalPage"] = h.getTotalPage(totalRaw)
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ginH["pagination"] = pagination(h.page, h.totalPage, h.paginationStep, c.Request.URL.Path, q)
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ginH["title"] = h.getTitle()
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}
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func pagination(currentPage, totalPage, step int, path, query string) (html string) {
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if totalPage < 2 {
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return
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}
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pathx := path
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if !strings.Contains(path, "/page/") {
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pathx = fmt.Sprintf("%s%s", path, "/page/1")
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}
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s := strings.Builder{}
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if currentPage > totalPage {
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currentPage = totalPage
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}
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r := regexp.MustCompile(`(/page)/(\d+)`)
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start := currentPage - step
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end := currentPage + step
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if start < 1 {
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start = 1
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}
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if currentPage > 1 {
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pp := ""
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if currentPage >= 2 {
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pp = replacePage(r, pathx, currentPage-1)
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}
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s.WriteString(fmt.Sprintf(`<a class="prev page-numbers" href="%s%s">上一页</a>`, pp, query))
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}
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if currentPage >= step+2 {
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d := ""
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if currentPage > step+2 {
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d = `<span class="page-numbers dots">…</span>`
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}
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e := replacePage(r, path, 1)
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s.WriteString(fmt.Sprintf(`
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<a class="page-numbers" href="%s%s"><span class="meta-nav screen-reader-text">页 </span>1</a>
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%s
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`, e, query, d))
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}
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if totalPage < end {
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end = totalPage
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}
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for page := start; page <= end; page++ {
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h := ""
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if currentPage == page {
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h = fmt.Sprintf(`
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<span aria-current="page" class="page-numbers current">
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<span class="meta-nav screen-reader-text">页 </span>%d</span>
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`, page)
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} else {
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d := replacePage(r, pathx, page)
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h = fmt.Sprintf(`
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<a class="page-numbers" href="%s%s">
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<span class="meta-nav screen-reader-text">页 </span>%d</a>
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`, d, query, page)
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}
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s.WriteString(h)
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}
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if totalPage >= currentPage+step+1 {
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if totalPage > currentPage+step+1 {
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s.WriteString(`<span class="page-numbers dots">…</span>`)
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}
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dd := replacePage(r, pathx, totalPage)
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s.WriteString(fmt.Sprintf(`
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<a class="page-numbers" href="%s%s"><span class="meta-nav screen-reader-text">页 </span>%d</a>`, dd, query, totalPage))
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}
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if currentPage < totalPage {
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dd := replacePage(r, pathx, currentPage+1)
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s.WriteString(fmt.Sprintf(`<a class="next page-numbers" href="%s%s">下一页</a>`, dd, query))
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}
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html = s.String()
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return
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}
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func replacePage(r *regexp.Regexp, path string, page int) (src string) {
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if page == 1 {
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src = r.ReplaceAllString(path, "")
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} else {
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s := fmt.Sprintf("$1/%d", page)
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src = r.ReplaceAllString(path, s)
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}
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src = strings.Replace(src, "//", "/", -1)
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if src == "" {
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src = "/"
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}
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return
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}
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