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package ext
// ITunesFeedExtension is a set of extension
// fields for RSS feeds.
type ITunesFeedExtension struct {
Author string `json:"author,omitempty"`
Block string `json:"block,omitempty"`
Categories []*ITunesCategory `json:"categories,omitempty"`
Explicit string `json:"explicit,omitempty"`
Keywords string `json:"keywords,omitempty"`
Owner *ITunesOwner `json:"owner,omitempty"`
Subtitle string `json:"subtitle,omitempty"`
Summary string `json:"summary,omitempty"`
Image string `json:"image,omitempty"`
Complete string `json:"complete,omitempty"`
NewFeedURL string `json:"newFeedUrl,omitempty"`
Type string `json:"type,omitempty"`
}
// ITunesItemExtension is a set of extension
// fields for RSS items.
type ITunesItemExtension struct {
Author string `json:"author,omitempty"`
Block string `json:"block,omitempty"`
Duration string `json:"duration,omitempty"`
Explicit string `json:"explicit,omitempty"`
Keywords string `json:"keywords,omitempty"`
Subtitle string `json:"subtitle,omitempty"`
Summary string `json:"summary,omitempty"`
Image string `json:"image,omitempty"`
IsClosedCaptioned string `json:"isClosedCaptioned,omitempty"`
Episode string `json:"episode,omitempty"`
Season string `json:"season,omitempty"`
Order string `json:"order,omitempty"`
EpisodeType string `json:"episodeType,omitempty"`
}
// ITunesCategory is a category element for itunes feeds.
type ITunesCategory struct {
Text string `json:"text,omitempty"`
Subcategory *ITunesCategory `json:"subcategory,omitempty"`
}
// ITunesOwner is the owner of a particular itunes feed.
type ITunesOwner struct {
Email string `json:"email,omitempty"`
Name string `json:"name,omitempty"`
}
// NewITunesFeedExtension creates an ITunesFeedExtension given an
// extension map for the "itunes" key.
func NewITunesFeedExtension(extensions map[string][]Extension) *ITunesFeedExtension {
feed := &ITunesFeedExtension{}
feed.Author = parseTextExtension("author", extensions)
feed.Block = parseTextExtension("block", extensions)
feed.Explicit = parseTextExtension("explicit", extensions)
feed.Keywords = parseTextExtension("keywords", extensions)
feed.Subtitle = parseTextExtension("subtitle", extensions)
feed.Summary = parseTextExtension("summary", extensions)
feed.Image = parseImage(extensions)
feed.Complete = parseTextExtension("complete", extensions)
feed.NewFeedURL = parseTextExtension("new-feed-url", extensions)
feed.Categories = parseCategories(extensions)
feed.Owner = parseOwner(extensions)
feed.Type = parseTextExtension("type", extensions)
return feed
}
// NewITunesItemExtension creates an ITunesItemExtension given an
// extension map for the "itunes" key.
func NewITunesItemExtension(extensions map[string][]Extension) *ITunesItemExtension {
entry := &ITunesItemExtension{}
entry.Author = parseTextExtension("author", extensions)
entry.Block = parseTextExtension("block", extensions)
entry.Duration = parseTextExtension("duration", extensions)
entry.Explicit = parseTextExtension("explicit", extensions)
entry.Subtitle = parseTextExtension("subtitle", extensions)
entry.Summary = parseTextExtension("summary", extensions)
entry.Keywords = parseTextExtension("keywords", extensions)
entry.Image = parseImage(extensions)
entry.IsClosedCaptioned = parseTextExtension("isClosedCaptioned", extensions)
entry.Episode = parseTextExtension("episode", extensions)
entry.Season = parseTextExtension("season", extensions)
entry.Order = parseTextExtension("order", extensions)
entry.EpisodeType = parseTextExtension("episodeType", extensions)
return entry
}
func parseImage(extensions map[string][]Extension) (image string) {
if extensions == nil {
return
}
matches, ok := extensions["image"]
if !ok || len(matches) == 0 {
return
}
image = matches[0].Attrs["href"]
return
}
func parseOwner(extensions map[string][]Extension) (owner *ITunesOwner) {
if extensions == nil {
return
}
matches, ok := extensions["owner"]
if !ok || len(matches) == 0 {
return
}
owner = &ITunesOwner{}
if name, ok := matches[0].Children["name"]; ok {
owner.Name = name[0].Value
}
if email, ok := matches[0].Children["email"]; ok {
owner.Email = email[0].Value
}
return
}
func parseCategories(extensions map[string][]Extension) (categories []*ITunesCategory) {
if extensions == nil {
return
}
matches, ok := extensions["category"]
if !ok || len(matches) == 0 {
return
}
categories = []*ITunesCategory{}
for _, cat := range matches {
c := &ITunesCategory{}
if text, ok := cat.Attrs["text"]; ok {
c.Text = text
}
if subs, ok := cat.Children["category"]; ok {
s := &ITunesCategory{}
if text, ok := subs[0].Attrs["text"]; ok {
s.Text = text
}
c.Subcategory = s
}
categories = append(categories, c)
}
return
}
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