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Add support for OPML files with several nested outlines

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This commit is contained in:
Frédéric Guillot 2022-07-04 15:50:48 -07:00
parent 806a069785
commit f0a698c6fe
3 changed files with 94 additions and 54 deletions
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52
reader/opml/opml.go
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@ -6,36 +6,21 @@ package opml // import "miniflux.app/reader/opml"
import (
"encoding/xml"
"strings"
)
// Specs: http://opml.org/spec2.opml
type opmlDocument struct {
XMLName xml.Name `xml:"opml"`
Version string `xml:"version,attr"`
Header opmlHeader `xml:"head"`
Outlines []opmlOutline `xml:"body>outline"`
XMLName xml.Name `xml:"opml"`
Version string `xml:"version,attr"`
Header opmlHeader `xml:"head"`
Outlines opmlOutlineCollection `xml:"body>outline"`
}
func NewOPMLDocument() *opmlDocument {
return &opmlDocument{}
}
func (o *opmlDocument) GetSubscriptionList() SubcriptionList {
var subscriptions SubcriptionList
for _, outline := range o.Outlines {
if len(outline.Outlines) > 0 {
for _, element := range outline.Outlines {
// outline.Text is only available in OPML v2.
subscriptions = element.Append(subscriptions, outline.Text)
}
} else {
subscriptions = outline.Append(subscriptions, "")
}
}
return subscriptions
}
type opmlHeader struct {
Title string `xml:"title,omitempty"`
DateCreated string `xml:"dateCreated,omitempty"`
@ -43,11 +28,15 @@ type opmlHeader struct {
}
type opmlOutline 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 []opmlOutline `xml:"outline,omitempty"`
Title string `xml:"title,attr,omitempty"`
Text string `xml:"text,attr"`
FeedURL string `xml:"xmlUrl,attr,omitempty"`
SiteURL string `xml:"htmlUrl,attr,omitempty"`
Outlines opmlOutlineCollection `xml:"outline,omitempty"`
}
func (o *opmlOutline) IsSubscription() bool {
return strings.TrimSpace(o.FeedURL) != ""
}
func (o *opmlOutline) GetTitle() string {
@ -78,15 +67,8 @@ func (o *opmlOutline) GetSiteURL() string {
return o.FeedURL
}
func (o *opmlOutline) Append(subscriptions SubcriptionList, category string) SubcriptionList {
if o.FeedURL != "" {
subscriptions = append(subscriptions, &Subcription{
Title: o.GetTitle(),
FeedURL: o.FeedURL,
SiteURL: o.GetSiteURL(),
CategoryName: category,
})
}
type opmlOutlineCollection []opmlOutline
return subscriptions
func (o opmlOutlineCollection) HasChildren() bool {
return len(o) > 0
}