feat: Add about page

4 files changed, 70 insertions, 2 deletions

diff --git a/pkg/config/config.go b/pkg/config/config.go
index 776c698..9b6acce 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -16,7 +16,8 @@ type (
 	}
 
 	Configuration struct {
-		Scan *Scan
+		Scan       *Scan
+		RootReadme string
 	}
 )
 
@@ -33,6 +34,11 @@ func Parse(r io.Reader) (*Configuration, error) {
 		return nil, err
 	}
 
+	err = setRootReadme(block, &config.RootReadme)
+	if err != nil {
+		return nil, err
+	}
+
 	return config, nil
 }
 
@@ -42,9 +48,15 @@ func defaultConfiguration() *Configuration {
 			Public: true,
 			Path:   "",
 		},
+		RootReadme: "",
 	}
 }
 
+func setRootReadme(block scfg.Block, readme *string) error {
+	scanDir := block.Get("root-readme")
+	return setString(scanDir, readme)
+}
+
 func setScan(block scfg.Block, scan *Scan) error {
 	scanDir := block.Get("scan")
 	err := setString(scanDir, &scan.Path)
diff --git a/pkg/handler/about.go b/pkg/handler/about.go
new file mode 100644
index 0000000..3ab2de8
--- /dev/null
+++ b/pkg/handler/about.go
@@ -0,0 +1,51 @@
+package handler
+
+import (
+	"io"
+	"log/slog"
+	"net/http"
+	"os"
+
+	"github.com/gomarkdown/markdown"
+	"github.com/gomarkdown/markdown/html"
+	"github.com/gomarkdown/markdown/parser"
+
+	"git.gabrielgio.me/cerrado/templates"
+)
+
+type AboutHandler struct {
+	readmePath string
+}
+
+func NewAboutHandler(readmePath string) *AboutHandler {
+	return &AboutHandler{readmePath}
+}
+
+func (g *AboutHandler) About(w http.ResponseWriter, _ *http.Request) {
+	f, err := os.Open(g.readmePath)
+	if err != nil {
+		slog.Error("Error loading readme file", "error", err)
+		return
+	}
+
+	bs, err := io.ReadAll(f)
+	if err != nil {
+		slog.Error("Error reading readme file bytes", "error", err)
+		return
+	}
+
+	extensions := parser.CommonExtensions | parser.AutoHeadingIDs | parser.NoEmptyLineBeforeBlock
+	p := parser.NewWithExtensions(extensions)
+	doc := p.Parse(bs)
+
+	htmlFlags := html.CommonFlags | html.HrefTargetBlank
+	opts := html.RendererOptions{Flags: htmlFlags}
+	renderer := html.NewRenderer(opts)
+
+	bs = markdown.Render(doc, renderer)
+
+	gitList := &templates.HelloPage{
+		Body: bs,
+	}
+	templates.WritePageTemplate(w, gitList)
+}
diff --git a/pkg/handler/status.go b/pkg/handler/status.go
index 1ca7f70..9baac2c 100644
--- a/pkg/handler/status.go
+++ b/pkg/handler/status.go
@@ -54,7 +54,7 @@ func ConfigFile(configPath string) func(http.ResponseWriter, *http.Request) {
 		}
 
 		hello := &templates.HelloPage{
-			Body: code.String(),
+			Body: code.Bytes(),
 		}
 
 		templates.WritePageTemplate(w, hello)
diff --git a/pkg/u/util.go b/pkg/u/util.go
new file mode 100644
index 0000000..9706539
--- /dev/null
+++ b/pkg/u/util.go
@@ -0,0 +1,5 @@
+package u
+
+func Ptr[T any](v T) *T {
+	return &v
+}