Refactor packages to have more idiomatic code base

api/icon.go

@@ -0,0 +1,43 @@
+// Copyright 2017 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 (
+	"errors"
+
+	"github.com/miniflux/miniflux/http/handler"
+)
+
+// FeedIcon returns a feed icon.
+func (c *Controller) FeedIcon(ctx *handler.Context, request *handler.Request, response *handler.Response) {
+	userID := ctx.UserID()
+	feedID, err := request.IntegerParam("feedID")
+	if err != nil {
+		response.JSON().BadRequest(err)
+		return
+	}
+
+	if !c.store.HasIcon(feedID) {
+		response.JSON().NotFound(errors.New("This feed doesn't have any icon"))
+		return
+	}
+
+	icon, err := c.store.IconByFeedID(userID, feedID)
+	if err != nil {
+		response.JSON().ServerError(errors.New("Unable to fetch feed icon"))
+		return
+	}
+
+	if icon == nil {
+		response.JSON().NotFound(errors.New("This feed doesn't have any icon"))
+		return
+	}
+
+	response.JSON().Standard(&feedIcon{
+		ID:       icon.ID,
+		MimeType: icon.MimeType,
+		Data:     icon.DataURL(),
+	})
+}