61 lines
1.0 KiB
Go
61 lines
1.0 KiB
Go
package rss
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import (
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"encoding/xml"
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"fmt"
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"sync"
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)
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type Feed struct {
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addChannel chan *Channel
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XMLName xml.Name `xml:"rss"`
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Version string `xml:"version,attr"`
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ContentNamespace string `xml:"xmlns:content,attr"`
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Channels []*Channel
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wg sync.WaitGroup
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}
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func (f *Feed) start() {
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f.wg.Done()
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for channel := range f.addChannel {
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f.Channels = append(f.Channels, channel)
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}
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}
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func initFeed() *Feed {
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feed := &Feed{
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addChannel: make(chan *Channel),
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Version: "2.0",
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ContentNamespace: "http://purl.org/rss/1.0/modules/content/",
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}
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feed.wg.Add(1)
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go feed.start()
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feed.wg.Wait()
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return feed
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}
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func (f *Feed) check() error {
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if f.Channels == nil {
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return fmt.Errorf("error: feed has no channels")
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}
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for _, channel := range f.Channels {
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if err := channel.check(); err != nil {
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return fmt.Errorf("error checking channel: %v", err)
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}
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}
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return nil
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}
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func NewFeed() *Feed {
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return initFeed()
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}
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func (f *Feed) AddChannel(c *Channel) {
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f.addChannel <- c
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}
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