Add support of media elements for RSS 2 feeds
This commit is contained in:
Frédéric Guillot
parent
c43c9458a9
commit
f90e9dfab0
2 changed files with 221 additions and 19 deletions
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@ -652,3 +652,122 @@ func TestParseWithInvalidCharacterEntity(t *testing.T) {
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t.Errorf(`Incorrect url, got: %q`, feed.SiteURL)
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}
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}
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func TestParseEntryWithMediaGroup(t *testing.T) {
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data := `<?xml version="1.0" encoding="utf-8"?>
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<rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/">
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<channel>
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<title>My Example Feed</title>
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<link>http://example.org</link>
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<item>
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<title>Example Item</title>
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<link>http://www.example.org/entries/1</link>
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<enclosure type="application/x-bittorrent" url="https://example.org/file3.torrent" length="670053113">
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</enclosure>
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<media:group>
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<media:content type="application/x-bittorrent" url="https://example.org/file1.torrent"></media:content>
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<media:content type="application/x-bittorrent" url="https://example.org/file2.torrent" isDefault="true"></media:content>
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<media:content type="application/x-bittorrent" url="https://example.org/file3.torrent"></media:content>
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<media:content type="application/x-bittorrent" url="https://example.org/file4.torrent"></media:content>
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<media:content type="application/x-bittorrent" url="https://example.org/file5.torrent" fileSize="42"></media:content>
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<media:rating>nonadult</media:rating>
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</media:group>
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<media:thumbnail url="https://example.org/image.jpg" height="122" width="223"></media:thumbnail>
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</item>
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</channel>
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</rss>`
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feed, err := Parse(bytes.NewBufferString(data))
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if err != nil {
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t.Fatal(err)
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}
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if len(feed.Entries) != 1 {
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t.Errorf("Incorrect number of entries, got: %d", len(feed.Entries))
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}
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if len(feed.Entries[0].Enclosures) != 6 {
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t.Fatalf("Incorrect number of enclosures, got: %d", len(feed.Entries[0].Enclosures))
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}
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expectedResults := []struct {
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url string
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mimeType string
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size int64
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}{
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{"https://example.org/image.jpg", "image/*", 0},
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{"https://example.org/file3.torrent", "application/x-bittorrent", 670053113},
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{"https://example.org/file1.torrent", "application/x-bittorrent", 0},
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{"https://example.org/file2.torrent", "application/x-bittorrent", 0},
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{"https://example.org/file4.torrent", "application/x-bittorrent", 0},
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{"https://example.org/file5.torrent", "application/x-bittorrent", 42},
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}
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for index, enclosure := range feed.Entries[0].Enclosures {
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if expectedResults[index].url != enclosure.URL {
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t.Errorf(`Unexpected enclosure URL, got %q instead of %q`, enclosure.URL, expectedResults[index].url)
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}
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if expectedResults[index].mimeType != enclosure.MimeType {
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t.Errorf(`Unexpected enclosure type, got %q instead of %q`, enclosure.MimeType, expectedResults[index].mimeType)
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}
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if expectedResults[index].size != enclosure.Size {
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t.Errorf(`Unexpected enclosure size, got %d instead of %d`, enclosure.Size, expectedResults[index].size)
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}
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}
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}
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func TestParseEntryWithMediaContent(t *testing.T) {
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data := `<?xml version="1.0" encoding="utf-8"?>
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<rss version="2.0" xmlns:media="http://search.yahoo.com/mrss/">
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<channel>
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<title>My Example Feed</title>
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<link>http://example.org</link>
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<item>
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<title>Example Item</title>
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<link>http://www.example.org/entries/1</link>
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<media:thumbnail url="https://example.org/thumbnail.jpg" />
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<media:content url="https://example.org/media1.jpg" medium="image">
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<media:title type="html">Some Title for Media 1</media:title>
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</media:content>
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<media:content url="https://example.org/media2.jpg" medium="image" />
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</item>
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</channel>
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</rss>`
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feed, err := Parse(bytes.NewBufferString(data))
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if err != nil {
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t.Fatal(err)
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}
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if len(feed.Entries) != 1 {
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t.Errorf("Incorrect number of entries, got: %d", len(feed.Entries))
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}
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if len(feed.Entries[0].Enclosures) != 3 {
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t.Fatalf("Incorrect number of enclosures, got: %d", len(feed.Entries[0].Enclosures))
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}
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expectedResults := []struct {
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url string
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mimeType string
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size int64
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}{
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{"https://example.org/thumbnail.jpg", "image/*", 0},
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{"https://example.org/media1.jpg", "image/*", 0},
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{"https://example.org/media2.jpg", "image/*", 0},
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}
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for index, enclosure := range feed.Entries[0].Enclosures {
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if expectedResults[index].url != enclosure.URL {
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t.Errorf(`Unexpected enclosure URL, got %q instead of %q`, enclosure.URL, expectedResults[index].url)
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}
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if expectedResults[index].mimeType != enclosure.MimeType {
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t.Errorf(`Unexpected enclosure type, got %q instead of %q`, enclosure.MimeType, expectedResults[index].mimeType)
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}
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if expectedResults[index].size != enclosure.Size {
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t.Errorf(`Unexpected enclosure size, got %d instead of %d`, enclosure.Size, expectedResults[index].size)
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}
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}
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}
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@ -56,20 +56,71 @@ type rssEnclosure struct {
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Length string `xml:"length,attr"`
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}
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func (enclosure *rssEnclosure) Size() int64 {
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if enclosure.Length == "" {
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return 0
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}
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size, _ := strconv.ParseInt(enclosure.Length, 10, 0)
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return size
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}
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type rssItem struct {
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GUID string `xml:"guid"`
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Title string `xml:"title"`
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Links []rssLink `xml:"link"`
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OriginalLink string `xml:"http://rssnamespace.org/feedburner/ext/1.0 origLink"`
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CommentLinks []rssCommentLink `xml:"comments"`
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Description string `xml:"description"`
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EncodedContent string `xml:"http://purl.org/rss/1.0/modules/content/ encoded"`
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PubDate string `xml:"pubDate"`
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Date string `xml:"http://purl.org/dc/elements/1.1/ date"`
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Authors []rssAuthor `xml:"author"`
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Creator string `xml:"http://purl.org/dc/elements/1.1/ creator"`
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EnclosureLinks []rssEnclosure `xml:"enclosure"`
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OrigEnclosureLink string `xml:"http://rssnamespace.org/feedburner/ext/1.0 origEnclosureLink"`
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GUID string `xml:"guid"`
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Title string `xml:"title"`
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Links []rssLink `xml:"link"`
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OriginalLink string `xml:"http://rssnamespace.org/feedburner/ext/1.0 origLink"`
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CommentLinks []rssCommentLink `xml:"comments"`
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Description string `xml:"description"`
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EncodedContent string `xml:"http://purl.org/rss/1.0/modules/content/ encoded"`
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PubDate string `xml:"pubDate"`
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Date string `xml:"http://purl.org/dc/elements/1.1/ date"`
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Authors []rssAuthor `xml:"author"`
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Creator string `xml:"http://purl.org/dc/elements/1.1/ creator"`
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EnclosureLinks []rssEnclosure `xml:"enclosure"`
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OrigEnclosureLink string `xml:"http://rssnamespace.org/feedburner/ext/1.0 origEnclosureLink"`
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MediaGroup []rssMediaGroup `xml:"http://search.yahoo.com/mrss/ group"`
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MediaContents []rssMediaContent `xml:"http://search.yahoo.com/mrss/ content"`
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MediaThumbnails []rssMediaThumbnails `xml:"http://search.yahoo.com/mrss/ thumbnail"`
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}
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type rssMediaGroup struct {
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MediaList []rssMediaContent `xml:"content"`
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}
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type rssMediaContent struct {
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URL string `xml:"url,attr"`
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Type string `xml:"type,attr"`
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FileSize string `xml:"fileSize,attr"`
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Medium string `xml:"medium,attr"`
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}
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func (mediaContent *rssMediaContent) MimeType() string {
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switch {
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case mediaContent.Type == "" && mediaContent.Medium == "image":
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return "image/*"
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case mediaContent.Type == "" && mediaContent.Medium == "video":
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return "video/*"
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case mediaContent.Type == "" && mediaContent.Medium == "audio":
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return "audio/*"
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case mediaContent.Type == "" && mediaContent.Medium == "video":
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return "video/*"
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case mediaContent.Type != "":
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return mediaContent.Type
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default:
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return "application/octet-stream"
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}
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}
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func (mediaContent *rssMediaContent) Size() int64 {
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if mediaContent.FileSize == "" {
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return 0
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}
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size, _ := strconv.ParseInt(mediaContent.FileSize, 10, 0)
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return size
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}
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type rssMediaThumbnails struct {
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URL string `xml:"url,attr"`
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}
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func (r *rssFeed) SiteURL() string {
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@ -200,9 +251,20 @@ func (r *rssItem) URL() string {
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func (r *rssItem) Enclosures() model.EnclosureList {
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enclosures := make(model.EnclosureList, 0)
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duplicates := make(map[string]bool, 0)
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for _, mediaThumbnail := range r.MediaThumbnails {
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if _, found := duplicates[mediaThumbnail.URL]; !found {
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duplicates[mediaThumbnail.URL] = true
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enclosures = append(enclosures, &model.Enclosure{
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URL: mediaThumbnail.URL,
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MimeType: "image/*",
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Size: 0,
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})
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}
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}
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for _, enclosure := range r.EnclosureLinks {
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length, _ := strconv.ParseInt(enclosure.Length, 10, 0)
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enclosureURL := enclosure.URL
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if r.OrigEnclosureLink != "" {
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@ -212,11 +274,32 @@ func (r *rssItem) Enclosures() model.EnclosureList {
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}
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}
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enclosures = append(enclosures, &model.Enclosure{
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URL: enclosureURL,
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MimeType: enclosure.Type,
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Size: length,
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})
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if _, found := duplicates[enclosureURL]; !found {
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duplicates[enclosureURL] = true
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enclosures = append(enclosures, &model.Enclosure{
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URL: enclosureURL,
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MimeType: enclosure.Type,
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Size: enclosure.Size(),
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})
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}
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}
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for _, mediaContentItem := range r.MediaGroup {
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for _, mediaContent := range mediaContentItem.MediaList {
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r.MediaContents = append(r.MediaContents, mediaContent)
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}
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}
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for _, mediaContent := range r.MediaContents {
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if _, found := duplicates[mediaContent.URL]; !found {
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duplicates[mediaContent.URL] = true
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enclosures = append(enclosures, &model.Enclosure{
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URL: mediaContent.URL,
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MimeType: mediaContent.MimeType(),
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Size: mediaContent.Size(),
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})
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}
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}
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return enclosures
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