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package git
import (
"bytes"
"log/slog"
"net/http"
"path/filepath"
"git.gabrielgio.me/cerrado/pkg/ext"
"git.gabrielgio.me/cerrado/pkg/service"
"git.gabrielgio.me/cerrado/templates"
"github.com/alecthomas/chroma/v2"
"github.com/alecthomas/chroma/v2/formatters/html"
"github.com/alecthomas/chroma/v2/lexers"
"github.com/alecthomas/chroma/v2/styles"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
type (
GitHandler struct {
gitService gitService
}
gitService interface {
ListRepositories() ([]*service.Repository, error)
ListCommits(name string, ref string) ([]*object.Commit, error)
GetHead(name string) (*plumbing.Reference, error)
GetTree(name, ref, path string) (*object.Tree, error)
GetFileContent(name, ref, path string) (string, error)
ListTags(name string) ([]*object.Tag, error)
ListBranches(name string) ([]*plumbing.Reference, error)
}
)
func NewGitHandler(gitService gitService) *GitHandler {
return &GitHandler{
gitService: gitService,
}
}
func (g *GitHandler) List(w http.ResponseWriter, _ *http.Request) {
repos, err := g.gitService.ListRepositories()
if err != nil {
slog.Error("Error listing repo", "error", err)
return
}
gitList := &templates.GitListPage{repos}
templates.WritePageTemplate(w, gitList)
}
func (g *GitHandler) Summary(w http.ResponseWriter, r *http.Request) {
ext.SetHTML(w)
name := r.PathValue("name")
ref, err := g.gitService.GetHead(name)
if err != nil {
slog.Error("Error loading head", "error", err)
return
}
gitList := &templates.GitItemPage{
Name: name,
Ref: ref.Name().Short(),
GitItemBase: &templates.GitItemSummaryPage{},
}
templates.WritePageTemplate(w, gitList)
}
func (g *GitHandler) About(w http.ResponseWriter, r *http.Request) {
ext.SetHTML(w)
name := r.PathValue("name")
ref, err := g.gitService.GetHead(name)
if err != nil {
slog.Error("Error loading head", "error", err)
return
}
gitList := &templates.GitItemPage{
Name: name,
Ref: ref.Name().Short(),
GitItemBase: &templates.GitItemAboutPage{},
}
templates.WritePageTemplate(w, gitList)
}
func (g *GitHandler) Refs(w http.ResponseWriter, r *http.Request) {
ext.SetHTML(w)
name := r.PathValue("name")
tags, err := g.gitService.ListTags(name)
if err != nil {
slog.Error("Error loading tags", "error", err)
return
}
branches, err := g.gitService.ListBranches(name)
if err != nil {
slog.Error("Error loading branches", "error", err)
return
}
ref, err := g.gitService.GetHead(name)
if err != nil {
slog.Error("Error loading head", "error", err)
return
}
gitList := &templates.GitItemPage{
Name: name,
Ref: ref.Name().Short(),
GitItemBase: &templates.GitItemRefsPage{
Tags: tags,
Branches: branches,
},
}
templates.WritePageTemplate(w, gitList)
}
func (g *GitHandler) Tree(w http.ResponseWriter, r *http.Request) {
ext.SetHTML(w)
name := r.PathValue("name")
ref := r.PathValue("ref")
rest := r.PathValue("rest")
tree, err := g.gitService.GetTree(name, ref, rest)
if err != nil {
slog.Error("Error loading tree", "error", err)
return
}
gitList := &templates.GitItemPage{
Name: name,
Ref: ref,
GitItemBase: &templates.GitItemTreePage{
CurrentPath: rest,
Tree: tree,
Ref: ref,
Name: name,
},
}
templates.WritePageTemplate(w, gitList)
}
func (g *GitHandler) Blob(w http.ResponseWriter, r *http.Request) {
ext.SetHTML(w)
name := r.PathValue("name")
ref := r.PathValue("ref")
rest := r.PathValue("rest")
file, err := g.gitService.GetFileContent(name, ref, rest)
if err != nil {
slog.Error("Error loading blob", "error", err)
return
}
filename := filepath.Base(rest)
lexer := GetLexers(filename)
style := styles.Get("xcode")
formatter := html.New(
html.WithLineNumbers(true),
)
iterator, err := lexer.Tokenise(nil, file)
if err != nil {
slog.Error("Error tokenise", "error", err)
return
}
var code bytes.Buffer
err = formatter.Format(&code, style, iterator)
if err != nil {
slog.Error("Error format", "error", err)
return
}
gitList := &templates.GitItemPage{
Name: name,
Ref: ref,
GitItemBase: &templates.GitItemBlobPage{
File: rest,
Content: code.Bytes(),
},
}
templates.WritePageTemplate(w, gitList)
}
func (g *GitHandler) Log(w http.ResponseWriter, r *http.Request) {
ext.SetHTML(w)
name := r.PathValue("name")
ref := r.PathValue("ref")
commits, err := g.gitService.ListCommits(name, ref)
if err != nil {
slog.Error("Error loading commits", "error", err)
return
}
gitList := &templates.GitItemPage{
Name: name,
Ref: ref,
GitItemBase: &templates.GitItemLogPage{
Commits: commits,
},
}
templates.WritePageTemplate(w, gitList)
}
func GetLexers(filename string) chroma.Lexer {
if filename == "APKBUILD" {
return lexers.Get("sh")
}
lexer := lexers.Get(filename)
if lexer == nil {
lexer = lexers.Get("txt")
}
return lexer
}
|
