From b60ee86a2406c03f94993f3899e8508f93a59ccb Mon Sep 17 00:00:00 2001
From: Lunny Xiao <xiaolunwen@gmail.com>
Date: Mon, 16 Dec 2024 09:36:07 -0800
Subject: [PATCH] Add tree

---
 routers/web/repo/{treelist.go => tree.go} | 26 +++++++++++++++++++++++
 routers/web/repo/tree_test.go             | 10 +++++++++
 routers/web/web.go                        |  8 +++----
 3 files changed, 40 insertions(+), 4 deletions(-)
 rename routers/web/repo/{treelist.go => tree.go} (63%)
 create mode 100644 routers/web/repo/tree_test.go

diff --git a/routers/web/repo/treelist.go b/routers/web/repo/tree.go
similarity index 63%
rename from routers/web/repo/treelist.go
rename to routers/web/repo/tree.go
index d11af4669f..13e6cea53f 100644
--- a/routers/web/repo/treelist.go
+++ b/routers/web/repo/tree.go
@@ -5,6 +5,8 @@ package repo
 
 import (
 	"net/http"
+	"path"
+	"strings"
 
 	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/git"
@@ -52,3 +54,27 @@ func isExcludedEntry(entry *git.TreeEntry) bool {
 
 	return false
 }
+
+func getPossibleBranches(dir string) []string {
+	cnt := strings.Count(dir, "/")
+	branches := make([]string, cnt, cnt)
+	for i := 0; i < cnt; i++ {
+		branches[i] = dir
+		dir = path.Dir(dir)
+	}
+	return branches
+}
+
+func guessRefInfoAndDir(ctx *context.Context, dir string) (git.RefName, string, error) {
+	branches := getPossibleBranches(dir)
+}
+
+func Tree(ctx *context.Context) {
+	pathParam := ctx.PathParam("*")
+	dir := path.Dir(pathParam)
+	refName, realDir, err := guessRefInfoAndDir(ctx, dir)
+	if err != nil {
+		ctx.ServerError("guessRefInfoAndDir", err)
+		return
+	}
+}
diff --git a/routers/web/repo/tree_test.go b/routers/web/repo/tree_test.go
new file mode 100644
index 0000000000..96663170f3
--- /dev/null
+++ b/routers/web/repo/tree_test.go
@@ -0,0 +1,10 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import "testing"
+
+func Test_getPossibleBranches(t *testing.T) {
+	getPossibleBranches("")
+}
diff --git a/routers/web/web.go b/routers/web/web.go
index bf8c4306bf..341c87e4da 100644
--- a/routers/web/web.go
+++ b/routers/web/web.go
@@ -1157,14 +1157,14 @@ func registerRoutes(m *web.Router) {
 
 	m.Group("/{username}/{reponame}", func() {
 		m.Get("/find/*", repo.FindFiles)
-		m.Group("/tree-list", func() {
+		m.Group("/tree-list", func() { // for find files
 			m.Get("/branch/*", context.RepoRefByType(context.RepoRefBranch), repo.TreeList)
 			m.Get("/tag/*", context.RepoRefByType(context.RepoRefTag), repo.TreeList)
 			m.Get("/commit/*", context.RepoRefByType(context.RepoRefCommit), repo.TreeList)
 		})
-		m.Group("/contents", func() {
-			m.Get("", repo.GetContentsList)
-			m.Get("/*", repo.GetContents)
+		m.Group("/tree", func() {
+			m.Get("", repo.Tree)
+			m.Get("/*", repo.Tree)
 		})
 		m.Get("/compare", repo.MustBeNotEmpty, repo.SetEditorconfigIfExists, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.CompareDiff)
 		m.Combo("/compare/*", repo.MustBeNotEmpty, repo.SetEditorconfigIfExists).