1 files changed, 52 insertions, 0 deletions
diff --git a/routers/api/packages/nuget/links.go b/routers/api/packages/nuget/links.go
new file mode 100644
index 0000000..4c573fe
--- /dev/null
+++ b/routers/api/packages/nuget/links.go
@@ -0,0 +1,52 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+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
+func (l *linkBuilder) GetRegistrationIndexURL(id string) string {
+	return fmt.Sprintf("%s/registration/%s/index.json", l.Base, id)
+}
+
+// GetRegistrationLeafURL builds the registration leaf url
+func (l *linkBuilder) GetRegistrationLeafURL(id, version string) string {
+	return fmt.Sprintf("%s/registration/%s/%s.json", l.Base, id, version)
+}
+
+// GetPackageDownloadURL builds the download url
+func (l *linkBuilder) GetPackageDownloadURL(id, version string) string {
+	return fmt.Sprintf("%s/package/%s/%s/%s.%s.nupkg", l.Base, id, version, id, version)
+}
+
+// GetPackageMetadataURL builds the package metadata url
+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()
+}