Use vanilla HTTP handlers (refactoring)

ui/static_stylesheet.go

@@ -0,0 +1,28 @@
+// Copyright 2018 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package ui
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/miniflux/miniflux/http/request"
+	"github.com/miniflux/miniflux/http/response"
+	"github.com/miniflux/miniflux/ui/static"
+)
+
+// Stylesheet renders the CSS.
+func (c *Controller) Stylesheet(w http.ResponseWriter, r *http.Request) {
+	stylesheet := request.Param(r, "name", "white")
+	body := static.Stylesheets["common"]
+	etag := static.StylesheetsChecksums["common"]
+
+	if theme, found := static.Stylesheets[stylesheet]; found {
+		body += theme
+		etag += static.StylesheetsChecksums[stylesheet]
+	}
+
+	response.Cache(w, r, "text/css; charset=utf-8", etag, []byte(body), 48*time.Hour)
+}