125 lines
3.3 KiB
Go
125 lines
3.3 KiB
Go
package controller
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import (
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"metazone.cc/mce/internal/common"
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"metazone.cc/mce/internal/model"
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"github.com/gin-gonic/gin"
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)
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// ListPage 帖子列表页
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func (ctrl *PostController) ListPage(c *gin.Context) {
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keyword := c.Query("keyword")
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page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
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pageSize, _ := strconv.Atoi(c.DefaultQuery("page_size", "20"))
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posts, total, err := ctrl.postService.List(keyword, page, pageSize)
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if err != nil {
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c.HTML(http.StatusOK, "posts/index.html", common.BuildPageData(c, gin.H{
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"Title": "社区帖子",
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"Error": "加载帖子列表失败",
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}))
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return
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}
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totalPages := common.PageCount(total, pageSize)
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prevPage := page - 1
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if prevPage < 1 {
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prevPage = 1
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}
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nextPage := page + 1
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if nextPage > totalPages {
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nextPage = totalPages
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}
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c.HTML(http.StatusOK, "posts/index.html", common.BuildPageData(c, gin.H{
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"Title": "社区帖子",
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"Posts": posts,
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"Total": total,
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"Page": page,
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"TotalPages": totalPages,
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"PrevPage": prevPage,
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"NextPage": nextPage,
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"Keyword": keyword,
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"ExtraCSS": "/static/css/posts.css",
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}))
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}
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// ShowPage 帖子详情页
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func (ctrl *PostController) ShowPage(c *gin.Context) {
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id, err := strconv.ParseUint(c.Param("id"), 10, 64)
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if err != nil {
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c.HTML(http.StatusNotFound, "posts/404.html", common.BuildPageData(c, gin.H{
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"Title": "未找到",
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"ExtraCSS": "/static/css/posts.css",
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}))
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return
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}
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post, err := ctrl.postService.GetByID(uint(id))
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if err != nil {
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c.HTML(http.StatusNotFound, "posts/404.html", common.BuildPageData(c, gin.H{
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"Title": "未找到",
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"ExtraCSS": "/static/css/posts.css",
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}))
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return
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}
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uid, role, _ := common.GetGinUser(c)
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// 仅 approved 公开可见（作者本人 + moderator+ 可预览其他状态）
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if post.Status != model.PostStatusApproved && !ctrl.postService.IsPostAccessible(uid, role, post.UserID) {
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// 未登录用户：引导登录后回到当前帖子
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if uid == 0 {
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common.RedirectToLogin(c)
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return
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}
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c.HTML(http.StatusNotFound, "posts/404.html", common.BuildPageData(c, gin.H{
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"Title": "未找到",
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"ExtraCSS": "/static/css/posts.css",
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}))
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return
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}
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// 已登录用户阅读计数（已发布帖子，自动去重+防刷）
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if uid > 0 && post.Status == model.PostStatusApproved {
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ctrl.postService.RecordRead(uid, post.ID)
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}
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// 访客阅读计数（基于 Cookie 标识去重+防刷）
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if uid == 0 && post.Status == model.PostStatusApproved {
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vid := ctrl.getVisitorID(c)
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ctrl.postService.RecordGuestRead(vid, post.ID)
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}
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ctrl.applyShortcode(post)
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// Open Graph 社交分享数据
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ogImage := common.ExtractFirstImage(post.Body)
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if ogImage != "" && !strings.HasPrefix(ogImage, "http") {
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prefix := ""
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if !strings.HasPrefix(ogImage, "/") {
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prefix = "/"
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}
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ogImage = "https://" + c.Request.Host + prefix + ogImage
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}
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ogURL := fmt.Sprintf("https://%s/posts/%d", c.Request.Host, id)
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c.HTML(http.StatusOK, "posts/show.html", common.BuildPageData(c, gin.H{
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"Title": post.Title,
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"Post": post,
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"UID": uid,
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"StatusNames": common.PostStatusDisplayNames,
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"ExtraCSS": "/static/css/posts.css",
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"OgTitle": post.Title,
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"OgDescription": post.Excerpt,
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"OgImage": ogImage,
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"OgURL": ogURL,
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}))
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}
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