Use embedded templates

cmd/boardvoting/handlers.go

@@ -20,6 +20,7 @@ package main
 import (
 	"fmt"
 	"html/template"
+	"io/fs"
 	"net/http"
 	"path/filepath"
 	"strings"
@@ -29,42 +30,38 @@ import (
 	"github.com/gorilla/csrf"
 
 	"git.cacert.org/cacert-boardvoting/internal/models"
+	"git.cacert.org/cacert-boardvoting/ui"
 )
 
 func newTemplateCache() (map[string]*template.Template, error) {
 	cache := map[string]*template.Template{}
 
-	pages, err := filepath.Glob("./ui/html/pages/*.html")
+	pages, err := fs.Glob(ui.Files, "html/pages/*.html")
 	if err != nil {
 		return nil, fmt.Errorf("could not find page templates: %w", err)
 	}
 
+	funcMaps := sprig.FuncMap()
+	funcMaps["nl2br"] = func(text string) template.HTML {
+		// #nosec G203 input is sanitized
+		return template.HTML(strings.ReplaceAll(template.HTMLEscapeString(text), "\n", "<br>"))
+	}
+	funcMaps["canManageUsers"] = func(*models.Voter) bool {
+		return false
+	}
+	funcMaps[csrf.TemplateTag] = csrf.TemplateField
+
 	for _, page := range pages {
 		name := filepath.Base(page)
 
-		files := []string{
-			"./ui/html/base.html",
-			"./ui/html/partials/motion_actions.html",
-			"./ui/html/partials/motion_display.html",
-			"./ui/html/partials/motion_status_class.html",
-			"./ui/html/partials/nav.html",
-			"./ui/html/partials/pagination.html",
+		ts, err := template.New("").Funcs(funcMaps).ParseFS(
+			ui.Files,
+			"html/base.html",
+			"html/partials/*.html",
 			page,
-		}
-
-		funcMaps := sprig.FuncMap()
-		funcMaps["nl2br"] = func(text string) template.HTML {
-			// #nosec G203 input is sanitized
-			return template.HTML(strings.ReplaceAll(template.HTMLEscapeString(text), "\n", "<br>"))
-		}
-		funcMaps["canManageUsers"] = func(*models.Voter) bool {
-			return false
-		}
-		funcMaps[csrf.TemplateTag] = csrf.TemplateField
-
-		ts, err := template.New("").Funcs(funcMaps).ParseFiles(files...)
+		)
 		if err != nil {
-			return nil, fmt.Errorf("could not parse templates: %w", err)
+			return nil, fmt.Errorf("could not parse base template: %w", err)
 		}
 
 		cache[name] = ts