Move repofiles from modules/repofiles to services/repository/files (#17774)

* Move repofiles from modules to services

* rename services/repository/repofiles -> services/repository/files

* Fix test

Co-authored-by: 6543 <6543@obermui.de>

services/repository/files/tree_test.go

@@ -0,0 +1,53 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package files
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/unittest"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/modules/test"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetTreeBySHA(t *testing.T) {
+	unittest.PrepareTestEnv(t)
+	ctx := test.MockContext(t, "user2/repo1")
+	test.LoadRepo(t, ctx, 1)
+	test.LoadRepoCommit(t, ctx)
+	test.LoadUser(t, ctx, 2)
+	test.LoadGitRepo(t, ctx)
+	defer ctx.Repo.GitRepo.Close()
+
+	sha := ctx.Repo.Repository.DefaultBranch
+	page := 1
+	perPage := 10
+	ctx.SetParams(":id", "1")
+	ctx.SetParams(":sha", sha)
+
+	tree, err := GetTreeBySHA(ctx.Repo.Repository, ctx.Params(":sha"), page, perPage, true)
+	assert.NoError(t, err)
+	expectedTree := &api.GitTreeResponse{
+		SHA: "65f1bf27bc3bf70f64657658635e66094edbcb4d",
+		URL: "https://try.gitea.io/api/v1/repos/user2/repo1/git/trees/65f1bf27bc3bf70f64657658635e66094edbcb4d",
+		Entries: []api.GitEntry{
+			{
+				Path: "README.md",
+				Mode: "100644",
+				Type: "blob",
+				Size: 30,
+				SHA:  "4b4851ad51df6a7d9f25c979345979eaeb5b349f",
+				URL:  "https://try.gitea.io/api/v1/repos/user2/repo1/git/blobs/4b4851ad51df6a7d9f25c979345979eaeb5b349f",
+			},
+		},
+		Truncated:  false,
+		Page:       1,
+		TotalCount: 1,
+	}
+
+	assert.EqualValues(t, expectedTree, tree)
+}