20251209

archive/bbs-go-active/server/internal/pkg/bbsurls/urls.go

@@ -0,0 +1,77 @@
+package bbsurls
+
+import (
+	"log/slog"
+	"net/url"
+	"strconv"
+	"strings"
+
+	"bbs-go/internal/pkg/config"
+)
+
+// 是否是内部链接
+func IsInternalUrl(href string) bool {
+	if IsAnchor(href) {
+		return true
+	}
+	u, err := url.Parse(config.Instance.BaseUrl)
+	if err != nil {
+		slog.Error(err.Error(), slog.Any("err", err))
+		return false
+	}
+	return strings.Contains(href, u.Host)
+}
+
+// 是否是锚链接
+func IsAnchor(href string) bool {
+	return strings.Index(href, "#") == 0
+}
+
+func AbsUrl(path string) string {
+	return config.Instance.BaseUrl + path
+}
+
+// 用户主页
+func UserUrl(userId int64) string {
+	return AbsUrl("/user/" + strconv.FormatInt(userId, 10))
+}
+
+// 文章详情
+func ArticleUrl(articleId int64) string {
+	return AbsUrl("/article/" + strconv.FormatInt(articleId, 10))
+}
+
+// 标签文章列表
+func TagArticlesUrl(tagId int64) string {
+	return AbsUrl("/articles/" + strconv.FormatInt(tagId, 10))
+}
+
+// 话题详情
+func TopicUrl(topicId int64) string {
+	return AbsUrl("/topic/" + strconv.FormatInt(topicId, 10))
+}
+
+func UrlJoin(parts ...string) string {
+	sep := "/"
+	var ss []string
+	for i, part := range parts {
+		part = strings.TrimSpace(part)
+		var (
+			from = 0
+			to   = len(part)
+		)
+		if strings.Index(part, sep) == 0 {
+			from = 1
+		}
+		if strings.LastIndex(part, sep) == len(part)-1 {
+			to = len(part) - 1
+		}
+		part = part[from:to]
+
+		ss = append(ss, part)
+		if i != len(parts)-1 {
+			ss = append(ss, sep)
+		}
+	}
+	return strings.Join(ss, "")
+}