feat: Add refs page

UI now it is a broken state. I'll all pages working first so I can
better style it later.

3 files changed, 86 insertions, 2 deletions

diff --git a/pkg/git/git.go b/pkg/git/git.go
index 80c0e46..7ef23f7 100644
--- a/pkg/git/git.go
+++ b/pkg/git/git.go
@@ -6,6 +6,7 @@ import (
 	"io"
 
 	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/object"
 )
 
@@ -54,6 +55,7 @@ func (g *GitRepository) Commits() ([]*object.Commit, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	ref, err := repo.Head()
 	if err != nil {
 		return nil, errors.Join(MissingHeadErr, err)
@@ -81,3 +83,49 @@ func (g *GitRepository) Commits() ([]*object.Commit, error) {
 
 	return commits, nil
 }
+
+func (g *GitRepository) Tags() ([]*object.Tag, error) {
+	repo, err := git.PlainOpen(g.path)
+	if err != nil {
+		return nil, err
+	}
+
+	ti, err := repo.TagObjects()
+	if err != nil {
+		return nil, err
+	}
+
+	tags := []*object.Tag{}
+	err = ti.ForEach(func(t *object.Tag) error {
+		tags = append(tags, t)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return tags, nil
+}
+
+func (g *GitRepository) Branches() ([]*plumbing.Reference, error) {
+	repo, err := git.PlainOpen(g.path)
+	if err != nil {
+		return nil, err
+	}
+
+	bs, err := repo.Branches()
+	if err != nil {
+		return nil, err
+	}
+
+	branches := []*plumbing.Reference{}
+	err = bs.ForEach(func(ref *plumbing.Reference) error {
+		branches = append(branches, ref)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return branches, nil
+}
diff --git a/pkg/handler/git/handler.go b/pkg/handler/git/handler.go
index ebfb37f..d090f22 100644
--- a/pkg/handler/git/handler.go
+++ b/pkg/handler/git/handler.go
@@ -6,6 +6,7 @@ import (
 
 	"git.gabrielgio.me/cerrado/pkg/service"
 	"git.gabrielgio.me/cerrado/templates"
+	"github.com/go-git/go-git/v5/plumbing"
 	"github.com/go-git/go-git/v5/plumbing/object"
 	"github.com/gorilla/mux"
 )
@@ -18,6 +19,8 @@ type (
 	gitService interface {
 		ListRepositories() ([]*service.Repository, error)
 		ListCommits(string) ([]*object.Commit, error)
+		ListTags(string) ([]*object.Tag, error)
+		ListBranches(string) ([]*plumbing.Reference, error)
 	}
 )
 
@@ -58,9 +61,25 @@ func (g *GitHandler) About(w http.ResponseWriter, r *http.Request) {
 
 func (g *GitHandler) Refs(w http.ResponseWriter, r *http.Request) {
 	name := mux.Vars(r)["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
+	}
+
 	gitList := &templates.GitItemPage{
-		Name:        name,
-		GitItemBase: &templates.GitItemRefsPage{},
+		Name: name,
+		GitItemBase: &templates.GitItemRefsPage{
+			Tags:     tags,
+			Branches: branches,
+		},
 	}
 	templates.WritePageTemplate(w, gitList)
 }
diff --git a/pkg/service/git.go b/pkg/service/git.go
index 614770f..57b9b6e 100644
--- a/pkg/service/git.go
+++ b/pkg/service/git.go
@@ -5,6 +5,7 @@ import (
 
 	"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"
 )
 
@@ -65,3 +66,19 @@ func (g *GitService) ListCommits(name string) ([]*object.Commit, error) {
 	repo := git.NewGitRepository(r.Path)
 	return repo.Commits()
 }
+
+func (g *GitService) ListTags(name string) ([]*object.Tag, error) {
+	// TODO: handle nil
+	r := g.configRepo.GetByName(name)
+
+	repo := git.NewGitRepository(r.Path)
+	return repo.Tags()
+}
+
+func (g *GitService) ListBranches(name string) ([]*plumbing.Reference, error) {
+	// TODO: handle nil
+	r := g.configRepo.GetByName(name)
+
+	repo := git.NewGitRepository(r.Path)
+	return repo.Branches()
+}