From eb82fdb2dc0903e6125014abd64aceab42c8eb35 Mon Sep 17 00:00:00 2001
From: Runxi Yu <me@runxiyu.org>
Date: Tue, 12 Aug 2025 11:01:07 +0800
Subject: Refactor

---
 forged/internal/incoming/web/templates/load.go     | 31 +++++++++++++++++++
 forged/internal/incoming/web/templates/renderer.go | 35 ++++++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 forged/internal/incoming/web/templates/load.go
 create mode 100644 forged/internal/incoming/web/templates/renderer.go

(limited to 'forged/internal/incoming/web/templates')

diff --git a/forged/internal/incoming/web/templates/load.go b/forged/internal/incoming/web/templates/load.go
new file mode 100644
index 0000000..4a6fc49
--- /dev/null
+++ b/forged/internal/incoming/web/templates/load.go
@@ -0,0 +1,31 @@
+package templates
+
+import (
+	"html/template"
+	"io/fs"
+	"os"
+	"path/filepath"
+)
+
+func MustParseDir(dir string, funcs template.FuncMap) *template.Template {
+	base := template.New("").Funcs(funcs)
+
+	err := filepath.WalkDir(dir, func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			return nil
+		}
+		b, err := os.ReadFile(path)
+		if err != nil {
+			return err
+		}
+		_, err = base.Parse(string(b))
+		return err
+	})
+	if err != nil {
+		panic(err)
+	}
+	return base
+}
diff --git a/forged/internal/incoming/web/templates/renderer.go b/forged/internal/incoming/web/templates/renderer.go
new file mode 100644
index 0000000..350e9ec
--- /dev/null
+++ b/forged/internal/incoming/web/templates/renderer.go
@@ -0,0 +1,35 @@
+package templates
+
+import (
+	"bytes"
+	"html/template"
+	"log/slog"
+	"net/http"
+)
+
+type Renderer interface {
+	Render(w http.ResponseWriter, name string, data any) error
+}
+
+type tmplRenderer struct {
+	t *template.Template
+}
+
+func New(t *template.Template) Renderer {
+	return &tmplRenderer{t: t}
+}
+
+func (r *tmplRenderer) Render(w http.ResponseWriter, name string, data any) error {
+	var buf bytes.Buffer
+	if err := r.t.ExecuteTemplate(&buf, name, data); err != nil {
+		slog.Error("template render failed", "name", name, "error", err)
+		return err
+	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	n, err := w.Write(buf.Bytes())
+	if err != nil {
+		return err
+	}
+	slog.Info("template rendered", "name", name, "bytes", n)
+	return nil
+}
-- 
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