package feeder import xmlx "github.com/jteeuwen/go-pkg-xmlx" func (this *Feed) readAtom(doc *xmlx.Document) (err error) { ns := "http://www.w3.org/2005/Atom" channels := doc.SelectNodes(ns, "feed") getChan := func(id, title string) *Channel { for _, c := range this.Channels { switch { case len(id) > 0: if c.Id == id { return c } case len(title) > 0: if c.Title == title { return c } } } return nil } haveItem := func(ch *Channel, id, title, desc string) bool { for _, item := range ch.Items { switch { case len(id) > 0: if item.Id == id { return true } case len(title) > 0: if item.Title == title { return true } case len(desc) > 0: if item.Description == desc { return true } } } return false } var ch *Channel var i *Item var tn *xmlx.Node var list []*xmlx.Node for _, node := range channels { if ch = getChan(node.S(ns, "id"), node.S(ns, "title")); ch == nil { ch = new(Channel) this.Channels = append(this.Channels, ch) } ch.Title = node.S(ns, "title") ch.LastBuildDate = node.S(ns, "updated") ch.Id = node.S(ns, "id") ch.Rights = node.S(ns, "rights") list = node.SelectNodes(ns, "link") ch.Links = make([]Link, len(list)) for i, v := range list { ch.Links[i].Href = v.As("", "href") ch.Links[i].Rel = v.As("", "rel") ch.Links[i].Type = v.As("", "type") ch.Links[i].HrefLang = v.As("", "hreflang") } if tn = node.SelectNode(ns, "subtitle"); tn != nil { ch.SubTitle = SubTitle{} ch.SubTitle.Type = tn.As("", "type") ch.SubTitle.Text = tn.Value } if tn = node.SelectNode(ns, "generator"); tn != nil { ch.Generator = Generator{} ch.Generator.Uri = tn.As("", "uri") ch.Generator.Version = tn.As("", "version") ch.Generator.Text = tn.Value } if tn = node.SelectNode(ns, "author"); tn != nil { ch.Author = Author{} ch.Author.Name = tn.S("", "name") ch.Author.Uri = tn.S("", "uri") ch.Author.Email = tn.S("", "email") } itemcount := len(ch.Items) list = node.SelectNodes(ns, "entry") for _, item := range list { if haveItem(ch, item.S(ns, "id"), item.S(ns, "title"), item.S(ns, "summary")) { continue } i = new(Item) i.Title = item.S(ns, "title") i.Id = item.S(ns, "id") i.PubDate = item.S(ns, "updated") i.Description = item.S(ns, "summary") links := item.SelectNodes(ns, "link") for _, lv := range links { if lv.As(ns, "rel") == "enclosure" { enc := new(Enclosure) enc.Url = lv.As("", "href") enc.Type = lv.As("", "type") i.Enclosures = append(i.Enclosures, enc) } else { lnk := new(Link) lnk.Href = lv.As("", "href") lnk.Rel = lv.As("", "rel") lnk.Type = lv.As("", "type") lnk.HrefLang = lv.As("", "hreflang") i.Links = append(i.Links, lnk) } } list = item.SelectNodes(ns, "contributor") for _, cv := range list { i.Contributors = append(i.Contributors, cv.S("", "name")) } if tn = item.SelectNode(ns, "content"); tn != nil { i.Content = new(Content) i.Content.Type = tn.As("", "type") i.Content.Lang = tn.S("xml", "lang") i.Content.Base = tn.S("xml", "base") i.Content.Text = tn.Value } ch.Items = append(ch.Items, i) } if itemcount != len(ch.Items) && this.itemhandler != nil { this.itemhandler(this, ch, ch.Items[itemcount:]) } } return }