// 首页或是列表页
func pagePosts(w http.ResponseWriter, r *http.Request) {
info, err := getInfo()
if err != nil {
logs.Error("pagePosts:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
page := conv.MustInt(r.FormValue("page"), 1)
if page == 1 {
info.Canonical = app.URL(app.HomeURL())
} else if page > 1 { // 为1的时候，不需要prev
info.Canonical = app.URL(app.PostsURL(page))
info.PrevPage = &Anchor{Title: "上一页", Link: app.PostsURL(page - 1)}
}
if page*opt.SidebarSize < info.PostSize {
info.NextPage = &Anchor{Title: "下一页", Link: app.PostsURL(page + 1)}
}
posts, err := getPosts(page - 1)
if err != nil {
logs.Error("pagePosts:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
data := map[string]interface{}{
"info": info,
"posts": posts,
}
render(w, r, "posts", data, map[string]string{"Content-Type": "text/html"})
}
// /tags/1.html
func pageTag(w http.ResponseWriter, r *http.Request) {
tagName, ok := util.ParamString(w, r, "id")
if !ok {
return
}
tagName = strings.TrimSuffix(tagName, opt.Suffix)
sql := `SELECT {id} AS {ID}, {name} AS {Name}, {title} AS {Title}, {description} AS {Description}
FROM #tags
WHERE {name}=?`
rows, err := db.Query(true, sql, tagName)
if err != nil {
logs.Error("pageTag:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
defer rows.Close()
tag := &Tag{}
if _, err = fetch.Obj(tag, rows); err != nil {
logs.Error("pageTag:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
info, err := getInfo()
if err != nil {
logs.Error("pageTag:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
info.Canonical = app.URL(tag.Permalink())
info.Title = tag.Title
page := conv.MustInt(r.FormValue("page"), 1)
if page < 1 { // 不能小于1
page = 1
} else if page > 1 { // 为1的时候，不需要prev
info.PrevPage = &Anchor{Title: "上一页", Link: app.TagURL(tagName, page-1)}
}
if page*opt.SidebarSize < tag.Count() {
info.NextPage = &Anchor{Title: "下一页", Link: app.TagURL(tagName, page+1)}
}
posts, err := getTagPosts(page-1, tag.ID)
if err != nil {
logs.Error("pageTag:", err)
pageHttpStatusCode(w, r, http.StatusInternalServerError)
return
}
data := map[string]interface{}{
"info": info,
"tag": tag,
"posts": posts,
}
render(w, r, "tag", data, map[string]string{"Content-Type": "text/html"})
}