Use vanilla HTTP handlers (refactoring)

ui/opml_upload.go

@@ -0,0 +1,64 @@
+// 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"
+
+	"github.com/miniflux/miniflux/http/context"
+	"github.com/miniflux/miniflux/http/response"
+	"github.com/miniflux/miniflux/http/response/html"
+	"github.com/miniflux/miniflux/http/route"
+	"github.com/miniflux/miniflux/logger"
+	"github.com/miniflux/miniflux/reader/opml"
+	"github.com/miniflux/miniflux/ui/session"
+	"github.com/miniflux/miniflux/ui/view"
+)
+
+// UploadOPML handles OPML file importation.
+func (c *Controller) UploadOPML(w http.ResponseWriter, r *http.Request) {
+	ctx := context.New(r)
+
+	user, err := c.store.UserByID(ctx.UserID())
+	if err != nil {
+		html.ServerError(w, err)
+		return
+	}
+
+	file, fileHeader, err := r.FormFile("file")
+	if err != nil {
+		logger.Error("[Controller:UploadOPML] %v", err)
+		response.Redirect(w, r, route.Path(c.router, "import"))
+		return
+	}
+	defer file.Close()
+
+	logger.Info(
+		"[Controller:UploadOPML] User #%d uploaded this file: %s (%d bytes)",
+		user.ID,
+		fileHeader.Filename,
+		fileHeader.Size,
+	)
+
+	sess := session.New(c.store, ctx)
+	view := view.New(c.tpl, ctx, sess)
+	view.Set("menu", "feeds")
+	view.Set("user", user)
+	view.Set("countUnread", c.store.CountUnreadEntries(user.ID))
+
+	if fileHeader.Size == 0 {
+		view.Set("errorMessage", "This file is empty")
+		html.OK(w, view.Render("import"))
+		return
+	}
+
+	if impErr := opml.NewHandler(c.store).Import(user.ID, file); impErr != nil {
+		view.Set("errorMessage", impErr)
+		html.OK(w, view.Render("import"))
+		return
+	}
+
+	response.Redirect(w, r, route.Path(c.router, "feeds"))
+}