go-pkg-rss/item.go

44 lines
780 B
Go

package feeder
import (
"crypto/md5"
"io"
)
type Item struct {
// RSS and Shared fields
Title string
Links []*Link
Description string
Author Author
Categories []*Category
Comments string
Enclosures []*Enclosure
Guid *string
PubDate string
Source *Source
// Atom specific fields
Id string
Generator *Generator
Contributors []string
Content *Content
Extensions map[string]map[string][]Extension
}
func (i *Item) Key() string {
switch {
case i.Guid != nil && len(*i.Guid) != 0:
return *i.Guid
case len(i.Id) != 0:
return i.Id
case len(i.Title) > 0 && len(i.PubDate) > 0:
return i.Title + i.PubDate
default:
h := md5.New()
io.WriteString(h, i.Description)
return string(h.Sum(nil))
}
}