From ce5185f551b707fe8dd8db8b5cbffd46e96cacc0 Mon Sep 17 00:00:00 2001
From: "Gabriel A. Giovanini" <mail@gabrielgio.me>
Date: Sat, 15 Jun 2024 19:07:14 +0200
Subject: feat: Add per repository about page

---
 pkg/config/config.go       |  6 ++++++
 pkg/config/config_test.go  |  6 ++++++
 pkg/handler/git/handler.go | 25 ++++++++++++++++++++++---
 pkg/service/git.go         | 18 ++++++++++++++++++
 4 files changed, 52 insertions(+), 3 deletions(-)

(limited to 'pkg')

diff --git a/pkg/config/config.go b/pkg/config/config.go
index 6ac6d05..3759b7c 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -42,6 +42,7 @@ type (
 		Path        string
 		Description string
 		Public      bool
+		About       string
 	}
 
 	// ConfigurationRepository represents the configuration repository (as in
@@ -214,6 +215,10 @@ func setRepositories(block scfg.Block, repositories *[]*GitRepositoryConfigurati
 				if err := setBool(d, &repository.Public); err != nil {
 					return err
 				}
+			case "about":
+				if err := setString(d, &repository.About); err != nil {
+					return err
+				}
 			}
 		}
 
@@ -249,6 +254,7 @@ func defaultRepisotryConfiguration(path string) *GitRepositoryConfiguration {
 		Name:        filepath.Base(path),
 		Description: "",
 		Public:      false,
+		About:       "README.md",
 	}
 }
 
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
index 2d779c5..8c1d27e 100644
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -53,6 +53,7 @@ scan "/srv/git" {
 						Path:        "/srv/git/cerrado.git",
 						Description: "",
 						Public:      false,
+						About:       "README.md",
 					},
 				},
 			},
@@ -64,6 +65,7 @@ repository /srv/git/cerrado.git {
 	name cerrado
 	description "Single person forge"
 	public true
+	about readme.txt
 }`,
 			expectedConfig: &configuration{
 				Scan:       defaultScan(),
@@ -74,6 +76,7 @@ repository /srv/git/cerrado.git {
 						Path:        "/srv/git/cerrado.git",
 						Description: "Single person forge",
 						Public:      true,
+						About:       "readme.txt",
 					},
 				},
 			},
@@ -111,6 +114,7 @@ repository /srv/git/cerrado.git {
 	name cerrado
 	description "Single person forge"
 	public true
+	about readme.txt
 }`,
 			expectedConfig: &configuration{
 				Scan: &scan{
@@ -124,12 +128,14 @@ repository /srv/git/cerrado.git {
 						Path:        "/srv/git/linux.git",
 						Description: "",
 						Public:      false,
+						About:       "README.md",
 					},
 					{
 						Name:        "cerrado",
 						Path:        "/srv/git/cerrado.git",
 						Description: "Single person forge",
 						Public:      true,
+						About:       "readme.txt",
 					},
 				},
 			},
diff --git a/pkg/handler/git/handler.go b/pkg/handler/git/handler.go
index 899f61e..25505ba 100644
--- a/pkg/handler/git/handler.go
+++ b/pkg/handler/git/handler.go
@@ -33,6 +33,7 @@ type (
 		GetHead(name string) (*plumbing.Reference, error)
 		GetTree(name, ref, path string) (*object.Tree, error)
 		GetFileContent(name, ref, path string) (string, error)
+		GetAbout(name string) (string, error)
 		ListTags(name string) ([]*plumbing.Reference, error)
 		ListBranches(name string) ([]*plumbing.Reference, error)
 	}
@@ -126,10 +127,28 @@ func (g *GitHandler) About(w http.ResponseWriter, r *http.Request) error {
 	if err != nil {
 		return err
 	}
+
+	file, err := g.gitService.GetAbout(name)
+	if err != nil {
+		return err
+	}
+
+	extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock
+	p := parser.NewWithExtensions(extensions)
+	doc := p.Parse([]byte(file))
+
+	htmlFlag := markdownhtml.CommonFlags | markdownhtml.HrefTargetBlank
+	opts := markdownhtml.RendererOptions{Flags: htmlFlag}
+	renderer := markdownhtml.NewRenderer(opts)
+
+	bs := markdown.Render(doc, renderer)
+
 	gitList := &templates.GitItemPage{
-		Name:        name,
-		Ref:         ref.Name().Short(),
-		GitItemBase: &templates.GitItemAboutPage{},
+		Name: name,
+		Ref:  ref.Name().Short(),
+		GitItemBase: &templates.GitItemAboutPage{
+			About: bs,
+		},
 	}
 	templates.WritePageTemplate(w, gitList)
 	return nil
diff --git a/pkg/service/git.go b/pkg/service/git.go
index 2165abe..6bb6e9e 100644
--- a/pkg/service/git.go
+++ b/pkg/service/git.go
@@ -128,6 +128,24 @@ func (g *GitService) GetFileContent(name, ref, path string) (string, error) {
 	return repo.FileContent(path)
 }
 
+func (g *GitService) GetAbout(name 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("")
+	if err != nil {
+		return "", err
+	}
+
+	return repo.FileContent(r.About)
+}
+
 func (g *GitService) ListTags(name string) ([]*plumbing.Reference, error) {
 	r := g.configRepo.GetByName(name)
 	if r == nil {
-- 
cgit v1.2.3