lewis.moe
Monorepo for Tangled
1package repo
2
3import (
4 "fmt"
5 "net/http"
6 "net/url"
7 "strings"
8 "time"
9
10 "tangled.org/core/api/tangled"
11 "tangled.org/core/appview/db"
12 "tangled.org/core/appview/pages"
13 "tangled.org/core/appview/reporesolver"
14 xrpcclient "tangled.org/core/appview/xrpcclient"
15 "tangled.org/core/types"
16
17 indigoxrpc "github.com/bluesky-social/indigo/xrpc"
18 "github.com/go-chi/chi/v5"
19 "github.com/go-git/go-git/v5/plumbing"
20)
21
22func (rp *Repo) Tree(w http.ResponseWriter, r *http.Request) {
23 l := rp.logger.With("handler", "RepoTree")
24 f, err := rp.repoResolver.Resolve(r)
25 if err != nil {
26 l.Error("failed to fully resolve repo", "err", err)
27 return
28 }
29 ref := chi.URLParam(r, "ref")
30 ref, _ = url.PathUnescape(ref)
31 // if the tree path has a trailing slash, let's strip it
32 // so we don't 404
33 treePath := chi.URLParam(r, "*")
34 treePath, _ = url.PathUnescape(treePath)
35 treePath = strings.TrimSuffix(treePath, "/")
36 scheme := "http"
37 if !rp.config.Core.Dev {
38 scheme = "https"
39 }
40 host := fmt.Sprintf("%s://%s", scheme, f.Knot)
41 xrpcc := &indigoxrpc.Client{
42 Host: host,
43 }
44 repo := fmt.Sprintf("%s/%s", f.Did, f.Name)
45 xrpcResp, err := tangled.RepoTree(r.Context(), xrpcc, treePath, ref, repo)
46 if xrpcerr := xrpcclient.HandleXrpcErr(err); xrpcerr != nil {
47 l.Error("failed to call XRPC repo.tree", "err", xrpcerr)
48 rp.pages.Error503(w)
49 return
50 }
51 // Convert XRPC response to internal types.RepoTreeResponse
52 files := make([]types.NiceTree, len(xrpcResp.Files))
53 for i, xrpcFile := range xrpcResp.Files {
54 file := types.NiceTree{
55 Name: xrpcFile.Name,
56 Mode: xrpcFile.Mode,
57 Size: int64(xrpcFile.Size),
58 }
59 // Convert last commit info if present
60 if xrpcFile.Last_commit != nil {
61 commitWhen, _ := time.Parse(time.RFC3339, xrpcFile.Last_commit.When)
62 file.LastCommit = &types.LastCommitInfo{
63 Hash: plumbing.NewHash(xrpcFile.Last_commit.Hash),
64 Message: xrpcFile.Last_commit.Message,
65 When: commitWhen,
66 }
67 }
68 files[i] = file
69 }
70 result := types.RepoTreeResponse{
71 Ref: xrpcResp.Ref,
72 Files: files,
73 }
74 if xrpcResp.Parent != nil {
75 result.Parent = *xrpcResp.Parent
76 }
77 if xrpcResp.Dotdot != nil {
78 result.DotDot = *xrpcResp.Dotdot
79 }
80 if xrpcResp.Readme != nil {
81 result.ReadmeFileName = xrpcResp.Readme.Filename
82 result.Readme = xrpcResp.Readme.Contents
83 }
84 ownerSlashRepo := reporesolver.GetBaseRepoPath(r, f)
85 // redirects tree paths trying to access a blob; in this case the result.Files is unpopulated,
86 // so we can safely redirect to the "parent" (which is the same file).
87 if len(result.Files) == 0 && result.Parent == treePath {
88 redirectTo := fmt.Sprintf("/%s/blob/%s/%s", ownerSlashRepo, url.PathEscape(ref), result.Parent)
89 http.Redirect(w, r, redirectTo, http.StatusFound)
90 return
91 }
92 user := rp.oauth.GetMultiAccountUser(r)
93 var breadcrumbs [][]string
94 breadcrumbs = append(breadcrumbs, []string{f.Name, fmt.Sprintf("/%s/tree/%s", ownerSlashRepo, url.PathEscape(ref))})
95 if treePath != "" {
96 for idx, elem := range strings.Split(treePath, "/") {
97 breadcrumbs = append(breadcrumbs, []string{elem, fmt.Sprintf("%s/%s", breadcrumbs[idx][1], url.PathEscape(elem))})
98 }
99 }
100 sortFiles(result.Files)
101
102 // Get email to DID mapping for commit author
103 var emails []string
104 if xrpcResp.LastCommit != nil && xrpcResp.LastCommit.Author != nil {
105 emails = append(emails, xrpcResp.LastCommit.Author.Email)
106 }
107 emailToDidMap, err := db.GetEmailToDid(rp.db, emails, true)
108 if err != nil {
109 l.Error("failed to get email to did mapping", "err", err)
110 emailToDidMap = make(map[string]string)
111 }
112
113 var lastCommitInfo *types.LastCommitInfo
114 if xrpcResp.LastCommit != nil {
115 when, _ := time.Parse(time.RFC3339, xrpcResp.LastCommit.When)
116 lastCommitInfo = &types.LastCommitInfo{
117 Hash: plumbing.NewHash(xrpcResp.LastCommit.Hash),
118 Message: xrpcResp.LastCommit.Message,
119 When: when,
120 }
121 if xrpcResp.LastCommit.Author != nil {
122 lastCommitInfo.Author.Name = xrpcResp.LastCommit.Author.Name
123 lastCommitInfo.Author.Email = xrpcResp.LastCommit.Author.Email
124 lastCommitInfo.Author.When, _ = time.Parse(time.RFC3339, xrpcResp.LastCommit.Author.When)
125 }
126 }
127
128 rp.pages.RepoTree(w, pages.RepoTreeParams{
129 LoggedInUser: user,
130 BreadCrumbs: breadcrumbs,
131 TreePath: treePath,
132 RepoInfo: rp.repoResolver.GetRepoInfo(r, user),
133 EmailToDid: emailToDidMap,
134 LastCommitInfo: lastCommitInfo,
135 RepoTreeResponse: result,
136 })
137}