feat: Add ref page

Now there is page more tailored to a single ref.

11 files changed, 305 insertions, 7 deletions

diff --git a/pkg/ext/router.go b/pkg/ext/router.go
index e12a40c..ce4c126 100644
--- a/pkg/ext/router.go
+++ b/pkg/ext/router.go
@@ -8,6 +8,7 @@ import (
 
 	"git.gabrielgio.me/cerrado/pkg/service"
 	"git.gabrielgio.me/cerrado/templates"
+	"github.com/go-git/go-git/v5/plumbing"
 )
 
 type (
@@ -36,7 +37,8 @@ func (r *Router) AddMiddleware(middleware Middleware) {
 func wrapError(next ErrorRequestHandler) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		if err := next(w, r); err != nil {
-			if errors.Is(err, service.ErrRepositoryNotFound) {
+			if errors.Is(err, service.ErrRepositoryNotFound) ||
+				errors.Is(err, plumbing.ErrReferenceNotFound) {
 				NotFound(w, r)
 			} else {
 				slog.Error("Internal Server Error", "error", err)
diff --git a/pkg/git/git.go b/pkg/git/git.go
index d72e561..64c721a 100644
--- a/pkg/git/git.go
+++ b/pkg/git/git.go
@@ -19,6 +19,7 @@ import (
 var (
 	MissingRefErr  = errors.New("Reference not found")
 	TreeForFileErr = errors.New("Trying to get tree of a file")
+	eofIter        = errors.New("End of a iterator")
 )
 
 type (
@@ -198,6 +199,54 @@ func (g *GitRepository) Head() (*plumbing.Reference, error) {
 	return g.repository.Head()
 }
 
+func (g *GitRepository) Tag() (*object.Commit, *TagReference, error) {
+	err := g.validateRef()
+	if err != nil {
+		return nil, nil, err
+	}
+
+	c, err := g.repository.CommitObject(g.ref)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var tagReference *TagReference
+
+	iter, err := g.repository.Tags()
+	if err != nil {
+		return nil, nil, err
+	}
+
+	if err := iter.ForEach(func(ref *plumbing.Reference) error {
+		obj, err := g.repository.TagObject(ref.Hash())
+		switch err {
+		case nil:
+			if obj.Target == c.Hash {
+				tagReference = &TagReference{
+					ref: ref,
+					tag: obj,
+				}
+				return eofIter
+			}
+			return nil
+		case plumbing.ErrObjectNotFound:
+			if c.Hash == ref.Hash() {
+				tagReference = &TagReference{
+					ref: ref,
+				}
+				return eofIter
+			}
+			return nil
+		default:
+			return err
+		}
+	}); err != nil && !errors.Is(eofIter, err) {
+		return nil, nil, err
+	}
+
+	return c, tagReference, nil
+}
+
 func (g *GitRepository) Tags() ([]*TagReference, error) {
 	iter, err := g.repository.Tags()
 	if err != nil {
diff --git a/pkg/handler/git/handler.go b/pkg/handler/git/handler.go
index 034d5c2..a9be54c 100644
--- a/pkg/handler/git/handler.go
+++ b/pkg/handler/git/handler.go
@@ -350,6 +350,28 @@ func (g *GitHandler) Log(w http.ResponseWriter, r *http.Request) error {
 	return nil
 }
 
+func (g *GitHandler) Ref(w http.ResponseWriter, r *http.Request) error {
+	ext.SetHTML(w)
+	name := r.PathValue("name")
+	ref := r.PathValue("ref")
+
+	commit, tag, err := g.gitService.GetTag(ref, name)
+	if err != nil {
+		return err
+	}
+
+	gitList := &templates.GitItemPage{
+		Name: name,
+		Ref:  ref,
+		GitItemBase: &templates.GitItemRefPage{
+			Commit:    commit,
+			Reference: tag,
+		},
+	}
+	templates.WritePageTemplate(w, gitList, r.Context())
+	return nil
+}
+
 func (g *GitHandler) Commit(w http.ResponseWriter, r *http.Request) error {
 	ext.SetHTML(w)
 	name := r.PathValue("name")
diff --git a/pkg/handler/router.go b/pkg/handler/router.go
index 8d27b74..e461922 100644
--- a/pkg/handler/router.go
+++ b/pkg/handler/router.go
@@ -52,6 +52,7 @@ func MountHandler(
 	mux.HandleFunc("/{name}/blob/{ref}/{rest...}", gitHandler.Blob)
 	mux.HandleFunc("/{name}/log/{ref}/", gitHandler.Log)
 	mux.HandleFunc("/{name}/commit/{ref}/", gitHandler.Commit)
+	mux.HandleFunc("/{name}/ref/{ref}/", gitHandler.Ref)
 	mux.HandleFunc("/{name}/archive/{file}", gitHandler.Archive)
 	mux.HandleFunc("/about", aboutHandler.About)
 	mux.HandleFunc("/", gitHandler.List)
diff --git a/pkg/service/git.go b/pkg/service/git.go
index 8642b5b..5410d7a 100644
--- a/pkg/service/git.go
+++ b/pkg/service/git.go
@@ -241,6 +241,25 @@ func (g *GitService) GetAbout(name string) ([]byte, error) {
 	return file, nil
 }
 
+func (g *GitService) GetTag(ref, name string) (*object.Commit, *git.TagReference, error) {
+	r := g.configRepo.GetByName(name)
+	if r == nil {
+		return nil, nil, ErrRepositoryNotFound
+	}
+
+	repo, err := git.OpenRepository(r.Path)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	err = repo.SetRef(ref)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return repo.Tag()
+}
+
 func (g *GitService) ListTags(name string) ([]*git.TagReference, error) {
 	r := g.configRepo.GetByName(name)
 	if r == nil {
diff --git a/templates/commit.qtpl b/templates/commit.qtpl
index b58b238..4fe92e9 100644
--- a/templates/commit.qtpl
+++ b/templates/commit.qtpl
@@ -13,7 +13,7 @@
        {% if r.Name().IsBranch() %}
        <a class="ref branch" title="{%s c.Commit().Hash.String() %}" href="/{%s name %}/tree/{%s r.Name().Short() %}/">{%s r.Name().Short() %}</a>
        {% else %}
-       <a class="ref tag" title="{%s c.Commit().Hash.String() %}" href="/{%s name %}/commit/{%s c.Commit().Hash.String() %}/">{%s r.Name().Short() %}</a>
+       <a class="ref tag" title="{%s c.Commit().Hash.String() %}" href="/{%s name %}/ref/{%s r.Name().Short() %}/">{%s r.Name().Short() %}</a>
        {% endif %}
        {% endfor %}
        {%endif%}
diff --git a/templates/commit.qtpl.go b/templates/commit.qtpl.go
index 5017880..0aefbb8 100644
--- a/templates/commit.qtpl.go
+++ b/templates/commit.qtpl.go
@@ -106,9 +106,9 @@ func StreamCommit(qw422016 *qt422016.Writer, name string, c *git.CommitReference
 //line templates/commit.qtpl:16
 				qw422016.E().S(name)
 //line templates/commit.qtpl:16
-				qw422016.N().S(`/commit/`)
+				qw422016.N().S(`/ref/`)
 //line templates/commit.qtpl:16
-				qw422016.E().S(c.Commit().Hash.String())
+				qw422016.E().S(r.Name().Short())
 //line templates/commit.qtpl:16
 				qw422016.N().S(`/">`)
 //line templates/commit.qtpl:16
diff --git a/templates/gititemref.qtpl b/templates/gititemref.qtpl
new file mode 100644
index 0000000..9e1c776
--- /dev/null
+++ b/templates/gititemref.qtpl
@@ -0,0 +1,34 @@
+{% import "git.gabrielgio.me/cerrado/pkg/git" %}
+{% import "git.gabrielgio.me/cerrado/pkg/humanize" %}
+{% import "github.com/go-git/go-git/v5/plumbing/object" %}
+
+{% code
+type GitItemRefPage struct {
+    Reference *git.TagReference
+    Commit *object.Commit
+}
+%}
+
+{% func (g *GitItemRefPage) Nav(name, ref string) %}{%= GitItemNav(name, ref, Refs) %}{% endfunc %}
+
+{% func (g *GitItemRefPage) GitContent(name, ref string) %}
+<div class="event-list">
+  <div class="row event">
+    <div class="row">
+      <div class="col-md">
+       <a title="{%s g.Commit.Hash.String() %}" href="/{%s name %}/commit/{%s g.Commit.Hash.String() %}/">{%s g.Commit.Hash.String()[0:8] %}</a> —
+       <a title="{%s g.Commit.Committer.Email %}" href="mailto:{%s g.Commit.Author.Email %}">{%s g.Commit.Author.Name %}</a>
+      </div>
+      <div class="col-md text-md-center">
+       <a title="tar.gz for {%s g.Reference.ShortName() %}" href="/{%s name %}/archive/{%s g.Reference.ShortName() %}.tar.gz">tar.gz</a>
+      </div>
+      <div class="col-md text-md-end">
+        <a title="{%s g.Commit.Author.When.UTC().Format("2006-01-02 15:04:05")%} UTC">{%s humanize.Time(g.Commit.Author.When) %}</a>
+      </div>
+    </div>
+    <div class="code-view">
+     <pre>{%s g.Reference.Message() %}</pre>
+    </div>
+  </div>
+</div>
+{% endfunc %}
diff --git a/templates/gititemref.qtpl.go b/templates/gititemref.qtpl.go
new file mode 100644
index 0000000..53ca1ec
--- /dev/null
+++ b/templates/gititemref.qtpl.go
@@ -0,0 +1,171 @@
+// Code generated by qtc from "gititemref.qtpl". DO NOT EDIT.
+// See https://github.com/valyala/quicktemplate for details.
+
+//line templates/gititemref.qtpl:1
+package templates
+
+//line templates/gititemref.qtpl:1
+import "git.gabrielgio.me/cerrado/pkg/git"
+
+//line templates/gititemref.qtpl:2
+import "git.gabrielgio.me/cerrado/pkg/humanize"
+
+//line templates/gititemref.qtpl:3
+import "github.com/go-git/go-git/v5/plumbing/object"
+
+//line templates/gititemref.qtpl:5
+import (
+	qtio422016 "io"
+
+	qt422016 "github.com/valyala/quicktemplate"
+)
+
+//line templates/gititemref.qtpl:5
+var (
+	_ = qtio422016.Copy
+	_ = qt422016.AcquireByteBuffer
+)
+
+//line templates/gititemref.qtpl:6
+type GitItemRefPage struct {
+	Reference *git.TagReference
+	Commit    *object.Commit
+}
+
+//line templates/gititemref.qtpl:12
+func (g *GitItemRefPage) StreamNav(qw422016 *qt422016.Writer, name, ref string) {
+//line templates/gititemref.qtpl:12
+	StreamGitItemNav(qw422016, name, ref, Refs)
+//line templates/gititemref.qtpl:12
+}
+
+//line templates/gititemref.qtpl:12
+func (g *GitItemRefPage) WriteNav(qq422016 qtio422016.Writer, name, ref string) {
+//line templates/gititemref.qtpl:12
+	qw422016 := qt422016.AcquireWriter(qq422016)
+//line templates/gititemref.qtpl:12
+	g.StreamNav(qw422016, name, ref)
+//line templates/gititemref.qtpl:12
+	qt422016.ReleaseWriter(qw422016)
+//line templates/gititemref.qtpl:12
+}
+
+//line templates/gititemref.qtpl:12
+func (g *GitItemRefPage) Nav(name, ref string) string {
+//line templates/gititemref.qtpl:12
+	qb422016 := qt422016.AcquireByteBuffer()
+//line templates/gititemref.qtpl:12
+	g.WriteNav(qb422016, name, ref)
+//line templates/gititemref.qtpl:12
+	qs422016 := string(qb422016.B)
+//line templates/gititemref.qtpl:12
+	qt422016.ReleaseByteBuffer(qb422016)
+//line templates/gititemref.qtpl:12
+	return qs422016
+//line templates/gititemref.qtpl:12
+}
+
+//line templates/gititemref.qtpl:14
+func (g *GitItemRefPage) StreamGitContent(qw422016 *qt422016.Writer, name, ref string) {
+//line templates/gititemref.qtpl:14
+	qw422016.N().S(`
+<div class="event-list">
+  <div class="row event">
+    <div class="row">
+      <div class="col-md">
+       <a title="`)
+//line templates/gititemref.qtpl:19
+	qw422016.E().S(g.Commit.Hash.String())
+//line templates/gititemref.qtpl:19
+	qw422016.N().S(`" href="/`)
+//line templates/gititemref.qtpl:19
+	qw422016.E().S(name)
+//line templates/gititemref.qtpl:19
+	qw422016.N().S(`/commit/`)
+//line templates/gititemref.qtpl:19
+	qw422016.E().S(g.Commit.Hash.String())
+//line templates/gititemref.qtpl:19
+	qw422016.N().S(`/">`)
+//line templates/gititemref.qtpl:19
+	qw422016.E().S(g.Commit.Hash.String()[0:8])
+//line templates/gititemref.qtpl:19
+	qw422016.N().S(`</a> —
+       <a title="`)
+//line templates/gititemref.qtpl:20
+	qw422016.E().S(g.Commit.Committer.Email)
+//line templates/gititemref.qtpl:20
+	qw422016.N().S(`" href="mailto:`)
+//line templates/gititemref.qtpl:20
+	qw422016.E().S(g.Commit.Author.Email)
+//line templates/gititemref.qtpl:20
+	qw422016.N().S(`">`)
+//line templates/gititemref.qtpl:20
+	qw422016.E().S(g.Commit.Author.Name)
+//line templates/gititemref.qtpl:20
+	qw422016.N().S(`</a>
+      </div>
+      <div class="col-md text-md-center">
+       <a title="tar.gz for `)
+//line templates/gititemref.qtpl:23
+	qw422016.E().S(g.Reference.ShortName())
+//line templates/gititemref.qtpl:23
+	qw422016.N().S(`" href="/`)
+//line templates/gititemref.qtpl:23
+	qw422016.E().S(name)
+//line templates/gititemref.qtpl:23
+	qw422016.N().S(`/archive/`)
+//line templates/gititemref.qtpl:23
+	qw422016.E().S(g.Reference.ShortName())
+//line templates/gititemref.qtpl:23
+	qw422016.N().S(`.tar.gz">tar.gz</a>
+      </div>
+      <div class="col-md text-md-end">
+        <a title="`)
+//line templates/gititemref.qtpl:26
+	qw422016.E().S(g.Commit.Author.When.UTC().Format("2006-01-02 15:04:05"))
+//line templates/gititemref.qtpl:26
+	qw422016.N().S(` UTC">`)
+//line templates/gititemref.qtpl:26
+	qw422016.E().S(humanize.Time(g.Commit.Author.When))
+//line templates/gititemref.qtpl:26
+	qw422016.N().S(`</a>
+      </div>
+    </div>
+    <div class="code-view">
+     <pre>`)
+//line templates/gititemref.qtpl:30
+	qw422016.E().S(g.Reference.Message())
+//line templates/gititemref.qtpl:30
+	qw422016.N().S(`</pre>
+    </div>
+  </div>
+</div>
+`)
+//line templates/gititemref.qtpl:34
+}
+
+//line templates/gititemref.qtpl:34
+func (g *GitItemRefPage) WriteGitContent(qq422016 qtio422016.Writer, name, ref string) {
+//line templates/gititemref.qtpl:34
+	qw422016 := qt422016.AcquireWriter(qq422016)
+//line templates/gititemref.qtpl:34
+	g.StreamGitContent(qw422016, name, ref)
+//line templates/gititemref.qtpl:34
+	qt422016.ReleaseWriter(qw422016)
+//line templates/gititemref.qtpl:34
+}
+
+//line templates/gititemref.qtpl:34
+func (g *GitItemRefPage) GitContent(name, ref string) string {
+//line templates/gititemref.qtpl:34
+	qb422016 := qt422016.AcquireByteBuffer()
+//line templates/gititemref.qtpl:34
+	g.WriteGitContent(qb422016, name, ref)
+//line templates/gititemref.qtpl:34
+	qs422016 := string(qb422016.B)
+//line templates/gititemref.qtpl:34
+	qt422016.ReleaseByteBuffer(qb422016)
+//line templates/gititemref.qtpl:34
+	return qs422016
+//line templates/gititemref.qtpl:34
+}
diff --git a/templates/tags.qtpl b/templates/tags.qtpl
index 5cd617f..5b7c39b 100644
--- a/templates/tags.qtpl
+++ b/templates/tags.qtpl
@@ -7,7 +7,7 @@
   <div class="event me-md-2">
     <div class="row ">
       <div class="col-4">
-       <a title="{%s t.HashString() %}" href="/{%s name %}/commit/{%s t.HashString() %}">{%s t.ShortName() %}</a>
+       <a title="{%s t.HashString() %}" href="/{%s name %}/ref/{%s t.ShortName() %}">{%s t.ShortName() %}</a>
       </div>
       <div class="col-8">
         <div class="float-end">
diff --git a/templates/tags.qtpl.go b/templates/tags.qtpl.go
index a89ddd3..5aedd78 100644
--- a/templates/tags.qtpl.go
+++ b/templates/tags.qtpl.go
@@ -46,9 +46,9 @@ func StreamListTags(qw422016 *qt422016.Writer, name string, tags []*git.TagRefer
 //line templates/tags.qtpl:10
 			qw422016.E().S(name)
 //line templates/tags.qtpl:10
-			qw422016.N().S(`/commit/`)
+			qw422016.N().S(`/ref/`)
 //line templates/tags.qtpl:10
-			qw422016.E().S(t.HashString())
+			qw422016.E().S(t.ShortName())
 //line templates/tags.qtpl:10
 			qw422016.N().S(`">`)
 //line templates/tags.qtpl:10