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