func (f *feedparserImpl) Fetch(channel *models.Channel) error {
result, err := fetch(channel.URL)
if err != nil {
return err
}
channel.Title = result.channel.Title
channel.Image = result.channel.Image.Url
channel.Description = result.channel.Description
website := result.getWebsiteURL()
if website != "" {
channel.Website.String = website
channel.Website.Valid = true
}
// we just want unique categories
categoryMap := make(map[string]string)
for _, category := range result.channel.Categories {
categoryMap[category.Text] = category.Text
}
var categories []string
for _, category := range categoryMap {
categories = append(categories, category)
}
channel.Categories.String = strings.Join(categories, " ")
channel.Categories.Valid = true
var podcasts []*models.Podcast
for _, item := range result.items {
podcast := &models.Podcast{
Title: item.Title,
Description: item.Description,
}
podcast.EnclosureURL = item.Enclosures[0].Url
if item.Guid == nil {
// use pub date + URL as standin Guid
podcast.Guid = item.PubDate + ":" + podcast.EnclosureURL
} else {
podcast.Guid = *item.Guid
}
if item.Source != nil {
podcast.Source = item.Source.Url
}
var pubDate time.Time
// try using the builtin RSS parser first
if pubDate, err = item.ParsedPubDate(); err != nil {
// try some other parsers
pubDate, err = now.Parse(item.PubDate)
// pubdate will be "empty", we'll have to live with that
}
podcast.PubDate = pubDate
podcasts = append(podcasts, podcast)
}
channel.Podcasts = podcasts
return nil
}
