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tangled.org
1package xrpc
2
3import (
4 "encoding/json"
5 "net/http"
6 "path/filepath"
7 "time"
8
9 "tangled.sh/tangled.sh/core/api/tangled"
10 "tangled.sh/tangled.sh/core/knotserver/git"
11 xrpcerr "tangled.sh/tangled.sh/core/xrpc/errors"
12)
13
14func (x *Xrpc) RepoTree(w http.ResponseWriter, r *http.Request) {
15 ctx := r.Context()
16
17 repo := r.URL.Query().Get("repo")
18 repoPath, err := x.parseRepoParam(repo)
19 if err != nil {
20 writeError(w, err.(xrpcerr.XrpcError), http.StatusBadRequest)
21 return
22 }
23
24 ref := r.URL.Query().Get("ref")
25 // ref can be empty (git.Open handles this)
26
27 path := r.URL.Query().Get("path")
28 // path can be empty (defaults to root)
29
30 gr, err := git.Open(repoPath, ref)
31 if err != nil {
32 x.Logger.Error("failed to open git repository", "error", err, "path", repoPath, "ref", ref)
33 writeError(w, xrpcerr.RefNotFoundError, http.StatusNotFound)
34 return
35 }
36
37 files, err := gr.FileTree(ctx, path)
38 if err != nil {
39 x.Logger.Error("failed to get file tree", "error", err, "path", path)
40 writeError(w, xrpcerr.NewXrpcError(
41 xrpcerr.WithTag("PathNotFound"),
42 xrpcerr.WithMessage("failed to read repository tree"),
43 ), http.StatusNotFound)
44 return
45 }
46
47 // convert NiceTree -> tangled.RepoTree_TreeEntry
48 treeEntries := make([]*tangled.RepoTree_TreeEntry, len(files))
49 for i, file := range files {
50 entry := &tangled.RepoTree_TreeEntry{
51 Name: file.Name,
52 Mode: file.Mode,
53 Size: file.Size,
54 Is_file: file.IsFile,
55 Is_subtree: file.IsSubtree,
56 }
57
58 if file.LastCommit != nil {
59 entry.Last_commit = &tangled.RepoTree_LastCommit{
60 Hash: file.LastCommit.Hash.String(),
61 Message: file.LastCommit.Message,
62 When: file.LastCommit.When.Format(time.RFC3339),
63 }
64 }
65
66 treeEntries[i] = entry
67 }
68
69 var parentPtr *string
70 if path != "" {
71 parentPtr = &path
72 }
73
74 var dotdotPtr *string
75 if path != "" {
76 dotdot := filepath.Dir(path)
77 if dotdot != "." {
78 dotdotPtr = &dotdot
79 }
80 }
81
82 response := tangled.RepoTree_Output{
83 Ref: ref,
84 Parent: parentPtr,
85 Dotdot: dotdotPtr,
86 Files: treeEntries,
87 }
88
89 w.Header().Set("Content-Type", "application/json")
90 if err := json.NewEncoder(w).Encode(response); err != nil {
91 x.Logger.Error("failed to encode response", "error", err)
92 writeError(w, xrpcerr.NewXrpcError(
93 xrpcerr.WithTag("InternalServerError"),
94 xrpcerr.WithMessage("failed to encode response"),
95 ), http.StatusInternalServerError)
96 return
97 }
98}