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package service
import (
"errors"
"log/slog"
"git.gabrielgio.me/cerrado/pkg/config"
"git.gabrielgio.me/cerrado/pkg/git"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/object"
)
type (
Repository struct {
Name string
Description string
LastCommitDate string
Ref string
}
GitService struct {
configRepo configurationRepository
}
configurationRepository interface {
List() []*config.GitRepositoryConfiguration
GetByName(name string) *config.GitRepositoryConfiguration
}
)
var (
RepositoryNotFoundErr = errors.New("Repository not found")
)
// TODO: make it configurable
const timeFormat = "2006.01.02 15:04:05"
func NewGitService(configRepo configurationRepository) *GitService {
return &GitService{
configRepo: configRepo,
}
}
func (g *GitService) ListRepositories() ([]*Repository, error) {
rs := g.configRepo.List()
repos := make([]*Repository, 0, len(rs))
for _, r := range rs {
repo, err := git.OpenRepository(r.Path)
if err != nil {
return nil, err
}
obj, err := repo.LastCommit()
if err != nil {
slog.Error("Error fetching last commit", "repository", r.Path, "error", err)
continue
}
head, err := repo.Head()
if err != nil {
slog.Error("Error fetching head", "repository", r.Path, "error", err)
continue
}
repos = append(repos, &Repository{
Name: r.Name,
Description: r.Description,
LastCommitDate: obj.Author.When.Format(timeFormat),
Ref: head.Name().Short(),
})
}
return repos, nil
}
func (g *GitService) ListCommits(name, ref string, count int) ([]*object.Commit, error) {
r := g.configRepo.GetByName(name)
if r == nil {
return nil, RepositoryNotFoundErr
}
repo, err := git.OpenRepository(r.Path)
if err != nil {
return nil, err
}
err = repo.SetRef(ref)
if err != nil {
return nil, err
}
return repo.Commits(count)
}
func (g *GitService) GetTree(name, ref, path string) (*object.Tree, error) {
r := g.configRepo.GetByName(name)
if r == nil {
return nil, RepositoryNotFoundErr
}
repo, err := git.OpenRepository(r.Path)
if err != nil {
return nil, err
}
err = repo.SetRef(ref)
if err != nil {
return nil, err
}
return repo.Tree(path)
}
func (g *GitService) GetFileContent(name, ref, path string) (string, error) {
r := g.configRepo.GetByName(name)
if r == nil {
return "", RepositoryNotFoundErr
}
repo, err := git.OpenRepository(r.Path)
if err != nil {
return "", err
}
err = repo.SetRef(ref)
if err != nil {
return "", err
}
return repo.FileContent(path)
}
func (g *GitService) ListTags(name string) ([]*plumbing.Reference, error) {
r := g.configRepo.GetByName(name)
if r == nil {
return nil, RepositoryNotFoundErr
}
repo, err := git.OpenRepository(r.Path)
if err != nil {
return nil, err
}
return repo.Tags()
}
func (g *GitService) ListBranches(name string) ([]*plumbing.Reference, error) {
r := g.configRepo.GetByName(name)
if r == nil {
return nil, RepositoryNotFoundErr
}
repo, err := git.OpenRepository(r.Path)
if err != nil {
return nil, err
}
return repo.Branches()
}
func (g *GitService) GetHead(name string) (*plumbing.Reference, error) {
r := g.configRepo.GetByName(name)
if r == nil {
return nil, RepositoryNotFoundErr
}
repo, err := git.OpenRepository(r.Path)
if err != nil {
return nil, err
}
return repo.Head()
}
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