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// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package opml // import "miniflux.app/reader/opml"
import "encoding/xml"
type opml struct {
XMLName xml.Name `xml:"opml"`
Version string `xml:"version,attr"`
Outlines []outline `xml:"body>outline"`
}
type outline struct {
Title string `xml:"title,attr,omitempty"`
Text string `xml:"text,attr"`
FeedURL string `xml:"xmlUrl,attr,omitempty"`
SiteURL string `xml:"htmlUrl,attr,omitempty"`
Outlines []outline `xml:"outline,omitempty"`
}
func (o *outline) GetTitle() string {
if o.Title != "" {
return o.Title
}
if o.Text != "" {
return o.Text
}
if o.SiteURL != "" {
return o.SiteURL
}
if o.FeedURL != "" {
return o.FeedURL
}
return ""
}
func (o *outline) GetSiteURL() string {
if o.SiteURL != "" {
return o.SiteURL
}
return o.FeedURL
}
func (o *outline) IsCategory() bool {
return o.Text != "" && o.SiteURL == "" && o.FeedURL == ""
}
func (o *outline) Append(subscriptions SubcriptionList, category string) SubcriptionList {
if o.FeedURL != "" {
subscriptions = append(subscriptions, &Subcription{
Title: o.GetTitle(),
FeedURL: o.FeedURL,
SiteURL: o.GetSiteURL(),
CategoryName: category,
})
}
return subscriptions
}
func (o *opml) Transform() SubcriptionList {
var subscriptions SubcriptionList
for _, outline := range o.Outlines {
if outline.IsCategory() {
for _, element := range outline.Outlines {
subscriptions = element.Append(subscriptions, outline.Text)
}
} else {
subscriptions = outline.Append(subscriptions, "")
}
}
return subscriptions
}
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