Fix handling of plenty Nuget package versions (#26075) (#26173)

Backport #26075 by @KN4CK3R

Fixes #25953

- Do not load full version information (v3)
- Add pagination support (v2)

Co-authored-by: KN4CK3R <admin@oldschoolhack.me>

routers/api/packages/nuget/links.go

@@ -5,10 +5,17 @@ package nuget
 
 import (
 	"fmt"
+	"net/url"
 )
 
+type nextOptions struct {
+	Path  string
+	Query url.Values
+}
+
 type linkBuilder struct {
 	Base string
+	Next *nextOptions
 }
 
 // GetRegistrationIndexURL builds the registration index url
@@ -30,3 +37,16 @@ func (l *linkBuilder) GetPackageDownloadURL(id, version string) string {
 func (l *linkBuilder) GetPackageMetadataURL(id, version string) string {
 	return fmt.Sprintf("%s/Packages(Id='%s',Version='%s')", l.Base, id, version)
 }
+
+func (l *linkBuilder) GetNextURL() string {
+	u, _ := url.Parse(l.Base)
+	u = u.JoinPath(l.Next.Path)
+	q := u.Query()
+	for k, vs := range l.Next.Query {
+		for _, v := range vs {
+			q.Add(k, v)
+		}
+	}
+	u.RawQuery = q.Encode()
+	return u.String()
+}