Add API endpoint to import OPML file

api/opml.go

@@ -0,0 +1,39 @@
+// 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 api
+
+import (
+	"net/http"
+
+	"github.com/miniflux/miniflux/http/context"
+	"github.com/miniflux/miniflux/http/response/json"
+	"github.com/miniflux/miniflux/http/response/xml"
+	"github.com/miniflux/miniflux/reader/opml"
+)
+
+// Export is the API handler that export feeds to OPML.
+func (c *Controller) Export(w http.ResponseWriter, r *http.Request) {
+	opmlHandler := opml.NewHandler(c.store)
+	opml, err := opmlHandler.Export(context.New(r).UserID())
+	if err != nil {
+		json.ServerError(w, err)
+		return
+	}
+
+	xml.OK(w, opml)
+}
+
+// Import is the API handler that import an OPML file.
+func (c *Controller) Import(w http.ResponseWriter, r *http.Request) {
+	opmlHandler := opml.NewHandler(c.store)
+	err := opmlHandler.Import(context.New(r).UserID(), r.Body)
+	defer r.Body.Close()
+	if err != nil {
+		json.ServerError(w, err)
+		return
+	}
+
+	json.Created(w, map[string]string{"message": "Feeds imported successfully"})
+}