69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
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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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"time"
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)
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type Item struct {
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addCategory chan string
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XMLName xml.Name `xml:"item"`
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Title string `xml:"title,omitempty"`
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Link string `xml:"link,omitempty"`
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Description string `xml:"description,omitempty"`
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Author string `xml:"author,omitempty"`
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Comments string `xml:"comments,omitempty"`
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Enclosure *Enclosure
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Guid string `xml:"guid,omitempty"`
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PubDate string `xml:"pubDate,omitempty"`
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Source *Source
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Categories []string `xml:"category,omitempty"`
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wg sync.WaitGroup
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}
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func (i *Item) start() {
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i.wg.Done()
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for category := range i.addCategory {
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i.Categories = append(i.Categories, category)
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}
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}
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func initItem() *Item {
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item := &Item{
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addCategory: make(chan string),
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PubDate: time.Now().Format(time.RFC1123Z),
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}
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item.wg.Add(1)
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go item.start()
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item.wg.Wait()
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return item
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}
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func (i *Item) check() error {
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if len(i.Title) == 0 && len(i.Description) == 0 {
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return fmt.Errorf("error: neither title nor description set")
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}
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if err := i.Enclosure.check(); err != nil {
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return fmt.Errorf("error checking enclosure: %v", err)
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}
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if err := i.Source.check(); err != nil {
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return fmt.Errorf("error checking source: %v", err)
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}
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return nil
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}
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func NewItem() *Item {
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return initItem()
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}
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func (i *Item) AddCategory(category string) {
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i.addCategory <- category
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}
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