Move feed parsers packages in reader package

reader/rdf/rdf.go

@@ -0,0 +1,71 @@
+// 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 rdf
+
+import (
+	"encoding/xml"
+
+	"github.com/miniflux/miniflux2/helper"
+	"github.com/miniflux/miniflux2/reader/processor"
+	"github.com/miniflux/miniflux2/reader/sanitizer"
+
+	"github.com/miniflux/miniflux2/model"
+)
+
+type rdfFeed struct {
+	XMLName xml.Name  `xml:"RDF"`
+	Title   string    `xml:"channel>title"`
+	Link    string    `xml:"channel>link"`
+	Creator string    `xml:"channel>creator"`
+	Items   []rdfItem `xml:"item"`
+}
+
+func (r *rdfFeed) Transform() *model.Feed {
+	feed := new(model.Feed)
+	feed.Title = sanitizer.StripTags(r.Title)
+	feed.SiteURL = r.Link
+
+	for _, item := range r.Items {
+		entry := item.Transform()
+
+		if entry.Author == "" && r.Creator != "" {
+			entry.Author = sanitizer.StripTags(r.Creator)
+		}
+
+		if entry.URL == "" {
+			entry.URL = feed.SiteURL
+		}
+
+		feed.Entries = append(feed.Entries, entry)
+	}
+
+	return feed
+}
+
+type rdfItem struct {
+	Title       string `xml:"title"`
+	Link        string `xml:"link"`
+	Description string `xml:"description"`
+	Creator     string `xml:"creator"`
+}
+
+func (r *rdfItem) Transform() *model.Entry {
+	entry := new(model.Entry)
+	entry.Title = sanitizer.StripTags(r.Title)
+	entry.Author = sanitizer.StripTags(r.Creator)
+	entry.URL = r.Link
+	entry.Content = processor.ItemContentProcessor(entry.URL, r.Description)
+	entry.Hash = getHash(r)
+	return entry
+}
+
+func getHash(r *rdfItem) string {
+	value := r.Link
+	if value == "" {
+		value = r.Title + r.Description
+	}
+
+	return helper.Hash(value)
+}