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tangled.org
1package xrpc
2
3import (
4 "encoding/json"
5 "net/http"
6 "net/url"
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) RepoBranch(w http.ResponseWriter, r *http.Request) {
15 repo := r.URL.Query().Get("repo")
16 repoPath, err := x.parseRepoParam(repo)
17 if err != nil {
18 writeError(w, err.(xrpcerr.XrpcError), http.StatusBadRequest)
19 return
20 }
21
22 name := r.URL.Query().Get("name")
23 if name == "" {
24 writeError(w, xrpcerr.NewXrpcError(
25 xrpcerr.WithTag("InvalidRequest"),
26 xrpcerr.WithMessage("missing name parameter"),
27 ), http.StatusBadRequest)
28 return
29 }
30
31 branchName, _ := url.PathUnescape(name)
32
33 gr, err := git.PlainOpen(repoPath)
34 if err != nil {
35 writeError(w, xrpcerr.NewXrpcError(
36 xrpcerr.WithTag("RepoNotFound"),
37 xrpcerr.WithMessage("repository not found"),
38 ), http.StatusNotFound)
39 return
40 }
41
42 ref, err := gr.Branch(branchName)
43 if err != nil {
44 x.Logger.Error("getting branch", "error", err.Error())
45 writeError(w, xrpcerr.NewXrpcError(
46 xrpcerr.WithTag("BranchNotFound"),
47 xrpcerr.WithMessage("branch not found"),
48 ), http.StatusNotFound)
49 return
50 }
51
52 commit, err := gr.Commit(ref.Hash())
53 if err != nil {
54 x.Logger.Error("getting commit object", "error", err.Error())
55 writeError(w, xrpcerr.NewXrpcError(
56 xrpcerr.WithTag("BranchNotFound"),
57 xrpcerr.WithMessage("failed to get commit object"),
58 ), http.StatusInternalServerError)
59 return
60 }
61
62 defaultBranch, err := gr.FindMainBranch()
63 isDefault := false
64 if err != nil {
65 x.Logger.Error("getting default branch", "error", err.Error())
66 } else if defaultBranch == branchName {
67 isDefault = true
68 }
69
70 response := tangled.RepoBranch_Output{
71 Name: ref.Name().Short(),
72 Hash: ref.Hash().String(),
73 ShortHash: &[]string{ref.Hash().String()[:7]}[0],
74 When: commit.Author.When.Format(time.RFC3339),
75 IsDefault: &isDefault,
76 }
77
78 if commit.Message != "" {
79 response.Message = &commit.Message
80 }
81
82 response.Author = &tangled.RepoBranch_Signature{
83 Name: commit.Author.Name,
84 Email: commit.Author.Email,
85 When: commit.Author.When.Format(time.RFC3339),
86 }
87
88 w.Header().Set("Content-Type", "application/json")
89 if err := json.NewEncoder(w).Encode(response); err != nil {
90 x.Logger.Error("failed to encode response", "error", err)
91 writeError(w, xrpcerr.NewXrpcError(
92 xrpcerr.WithTag("InternalServerError"),
93 xrpcerr.WithMessage("failed to encode response"),
94 ), http.StatusInternalServerError)
95 return
96 }
97}