From 1c53244439a5b92b962cbf8159e026d65a4bcc8e Mon Sep 17 00:00:00 2001
From: Niko Abeler <niko@rerere.org>
Date: Mon, 10 Oct 2022 21:06:33 +0200
Subject: [PATCH] Send webmention to reply url

---
 post.go      |  4 ++++
 post_test.go | 25 +++++++++++++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/post.go b/post.go
index ee4d7b0..cfb8bfe 100644
--- a/post.go
+++ b/post.go
@@ -385,6 +385,10 @@ func (post *Post) ScanForLinks() error {
 	// rely on goldmark for this (yet)
 	postHtml := post.RenderedContent()
 	links, _ := post.user.repo.Parser.ParseLinksFromString(postHtml.String())
+	// add reply url if set
+	if post.Meta().Reply.Url != "" {
+		links = append(links, post.Meta().Reply.Url)
+	}
 	for _, link := range links {
 		post.PersistOutgoingWebmention(&WebmentionOut{
 			Target: link,
diff --git a/post_test.go b/post_test.go
index 79c5125..e10f582 100644
--- a/post_test.go
+++ b/post_test.go
@@ -344,6 +344,31 @@ func TestScanningForLinksDoesNotAddDuplicates(t *testing.T) {
 	}
 }
 
+func TestScanningForLinksDoesAddReplyUrl(t *testing.T) {
+	repo := getTestRepo(owl.RepoConfig{})
+	user, _ := repo.CreateUser("testuser")
+	post, _ := user.CreateNewPost("testpost")
+
+	content := "---\n"
+	content += "title: test\n"
+	content += "date: Wed, 17 Aug 2022 10:50:02 +0000\n"
+	content += "reply:\n"
+	content += "  url: https://example.com/reply\n"
+	content += "---\n"
+	content += "\n"
+	content += "Hi\n"
+	os.WriteFile(post.ContentFile(), []byte(content), 0644)
+
+	post.ScanForLinks()
+	webmentions := post.OutgoingWebmentions()
+	if len(webmentions) != 1 {
+		t.Errorf("Expected 1 webmention, got %d", len(webmentions))
+	}
+	if webmentions[0].Target != "https://example.com/reply" {
+		t.Errorf("Expected target: %s, got %s", "https://example.com/reply", webmentions[0].Target)
+	}
+}
+
 func TestCanSendWebmention(t *testing.T) {
 	repo := getTestRepo(owl.RepoConfig{})
 	repo.HttpClient = &MockHttpClient{}