Fixed rutracker after changing stucture of the atom file of theirs own

2026-08-31 20:24:07 +03:00
parent fedb470da6
commit e11c82bd76
3 changed files with 88 additions and 42 deletions
@@ -1,35 +1,61 @@
 package resource

-import "encoding/xml"
+import (
+	"encoding/xml"
+	"fmt"
+	"strconv"
+	"strings"
+)

+// RutrackerAtomTopic represents the atom feed of a rutracker forum subsection.
 type RutrackerAtomTopic struct {
-	XMLName xml.Name `xml:"feed"`
-	Text    string   `xml:",chardata"`
-	Xmlns   string   `xml:"xmlns,attr"`
-	ID      string   `xml:"id"`
-	Link    struct {
-		Text string `xml:",chardata"`
-		Href string `xml:"href,attr"`
-	} `xml:"link"`
-	Updated string `xml:"updated"`
-	Title   string `xml:"title"`
-	Entry   []struct {
-		Text string `xml:",chardata"`
-		ID   string `xml:"id"`
-		Link struct {
-			Text string `xml:",chardata"`
-			Href string `xml:"href,attr"`
-		} `xml:"link"`
-		Updated string `xml:"updated"`
-		Title   string `xml:"title"`
-		Author  struct {
-			Text string `xml:",chardata"`
-			Name string `xml:"name"`
-		} `xml:"author"`
-		Category struct {
-			Text  string `xml:",chardata"`
-			Term  string `xml:"term,attr"`
-			Label string `xml:"label,attr"`
-		} `xml:"category"`
-	} `xml:"entry"`
+	XMLName xml.Name             `xml:"feed"`
+	Xmlns   string               `xml:"xmlns,attr"`
+	ID      string               `xml:"id"`
+	Link    []AtomLink           `xml:"link"`
+	Updated string               `xml:"updated"`
+	Title   string               `xml:"title"`
+	Entry   []RutrackerAtomEntry `xml:"entry"`
+}
+
+// AtomLink is a generic atom link element. An entry contains two links:
+// a topic page link (no rel) and a magnet link (rel="enclosure").
+type AtomLink struct {
+	Href string `xml:"href,attr"`
+	Rel  string `xml:"rel,attr"`
+	Type string `xml:"type,attr"`
+}
+
+type RutrackerAtomEntry struct {
+	ID      string     `xml:"id"`
+	Link    []AtomLink `xml:"link"`
+	Updated string     `xml:"updated"`
+	Title   string     `xml:"title"`
+	Author  struct {
+		Name string `xml:"name"`
+	} `xml:"author"`
+	Category struct {
+		Term  string `xml:"term,attr"`
+		Label string `xml:"label,attr"`
+	} `xml:"category"`
+}
+
+// PageLink returns the link to the topic page (the one without rel attribute).
+func (e RutrackerAtomEntry) PageLink() (AtomLink, bool) {
+	for _, l := range e.Link {
+		if l.Rel == "" {
+			return l, true
+		}
+	}
+	return AtomLink{}, false
+}
+
+// TopicId extracts the topic id from the entry id tag: "tag:rto.feed,2026-08-29:/t/5702203".
+func (e RutrackerAtomEntry) TopicId() (int, error) {
+	const marker = ":/t/"
+	i := strings.LastIndex(e.ID, marker)
+	if i < 0 {
+		return 0, fmt.Errorf("unexpected entry id format: %s", e.ID)
+	}
+	return strconv.Atoi(e.ID[i+len(marker):])
 }