ugit/internal/http/repo.go

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package http
import (
"bytes"
"errors"
"mime"
"net/http"
"path/filepath"
"strings"
"go.jolheiser.com/ugit/internal/html/markup"
"go.jolheiser.com/ugit/internal/git"
"go.jolheiser.com/ugit/internal/html"
"go.jolheiser.com/ugit/internal/http/httperr"
"github.com/go-chi/chi/v5"
"github.com/go-git/go-git/v5/plumbing/object"
)
func (rh repoHandler) repoTree(ref, path string) http.HandlerFunc {
return httperr.Handler(func(w http.ResponseWriter, r *http.Request) error {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
var err error
if ref == "" {
ref, err = repo.DefaultBranch()
if err != nil {
return httperr.Error(err)
}
}
tree, err := repo.Dir(ref, path)
if err != nil {
if errors.Is(err, object.ErrDirectoryNotFound) {
return rh.repoFile(w, r, repo, ref, path)
}
return httperr.Error(err)
}
readmeContent, err := markup.Readme(repo, ref, path)
if err != nil {
return httperr.Error(err)
}
var back string
if path != "" {
back = filepath.Dir(path)
}
if err := html.RepoTree(html.RepoTreeContext{
Description: repo.Meta.Description,
BaseContext: rh.baseContext(),
RepoHeaderComponentContext: rh.repoHeaderContext(repo, r),
RepoBreadcrumbComponentContext: rh.repoBreadcrumbContext(repo, r, path),
RepoTreeComponentContext: html.RepoTreeComponentContext{
Repo: repo.Name(),
Ref: ref,
Tree: tree,
Back: back,
},
ReadmeComponentContext: html.ReadmeComponentContext{
Markdown: readmeContent,
},
}).Render(r.Context(), w); err != nil {
return httperr.Error(err)
}
return nil
})
}
func (rh repoHandler) repoFile(w http.ResponseWriter, r *http.Request, repo *git.Repo, ref, path string) error {
content, err := repo.FileContent(ref, path)
if err != nil {
if errors.Is(err, object.ErrFileNotFound) {
return httperr.Status(err, http.StatusNotFound)
}
return httperr.Error(err)
}
if r.URL.Query().Has("raw") {
if r.URL.Query().Has("pretty") {
ext := filepath.Ext(path)
w.Header().Set("Content-Type", mime.TypeByExtension(ext))
}
w.Write([]byte(content))
return nil
}
var buf bytes.Buffer
if err := markup.Code.Convert([]byte(content), filepath.Base(path), &buf); err != nil {
return httperr.Error(err)
}
if err := html.RepoFile(html.RepoFileContext{
BaseContext: rh.baseContext(),
RepoHeaderComponentContext: rh.repoHeaderContext(repo, r),
RepoBreadcrumbComponentContext: rh.repoBreadcrumbContext(repo, r, path),
Code: buf.String(),
}).Render(r.Context(), w); err != nil {
return httperr.Error(err)
}
return nil
}
func (rh repoHandler) repoRefs(w http.ResponseWriter, r *http.Request) error {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
branches, err := repo.Branches()
if err != nil {
return httperr.Error(err)
}
tags, err := repo.Tags()
if err != nil {
return httperr.Error(err)
}
if err := html.RepoRefs(html.RepoRefsContext{
BaseContext: rh.baseContext(),
RepoHeaderComponentContext: rh.repoHeaderContext(repo, r),
Branches: branches,
Tags: tags,
}).Render(r.Context(), w); err != nil {
return httperr.Error(err)
}
return nil
}
func (rh repoHandler) repoLog(w http.ResponseWriter, r *http.Request) error {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
commits, err := repo.Commits(chi.URLParam(r, "ref"))
if err != nil {
return httperr.Error(err)
}
if err := html.RepoLog(html.RepoLogContext{
BaseContext: rh.baseContext(),
RepoHeaderComponentContext: rh.repoHeaderContext(repo, r),
Commits: commits,
}).Render(r.Context(), w); err != nil {
return httperr.Error(err)
}
return nil
}
func (rh repoHandler) repoCommit(w http.ResponseWriter, r *http.Request) error {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
commit, err := repo.Commit(chi.URLParam(r, "commit"))
if err != nil {
return httperr.Error(err)
}
for idx, p := range commit.Files {
var patch bytes.Buffer
if err := markup.Code.Basic([]byte(p.Patch), "commit.patch", &patch); err != nil {
return httperr.Error(err)
}
commit.Files[idx].Patch = patch.String()
}
if err := html.RepoCommit(html.RepoCommitContext{
BaseContext: rh.baseContext(),
RepoHeaderComponentContext: rh.repoHeaderContext(repo, r),
Commit: commit,
}).Render(r.Context(), w); err != nil {
return httperr.Error(err)
}
return nil
}
func (rh repoHandler) repoPatch(w http.ResponseWriter, r *http.Request) error {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
commit, err := repo.Commit(chi.URLParam(r, "commit"))
if err != nil {
return httperr.Error(err)
}
w.Write([]byte(commit.Patch))
return nil
}
func (rh repoHandler) repoSearch(w http.ResponseWriter, r *http.Request) error {
repo := r.Context().Value(repoCtxKey).(*git.Repo)
var results []git.GrepResult
search := r.URL.Query().Get("q")
if q := strings.TrimSpace(search); q != "" {
var err error
results, err = repo.Grep(q)
if err != nil {
return httperr.Error(err)
}
for idx, result := range results {
var buf bytes.Buffer
if err := markup.Snippet([]byte(result.Content), filepath.Base(result.File), result.StartLine, &buf); err != nil {
return httperr.Error(err)
}
results[idx].Content = buf.String()
}
}
if err := html.RepoSearch(html.SearchContext{
BaseContext: rh.baseContext(),
RepoHeaderComponentContext: rh.repoHeaderContext(repo, r),
Results: results,
}).Render(r.Context(), w); err != nil {
return httperr.Error(err)
}
return nil
}