From 9056b22536973e5c2b511681f832858fa182ea72 Mon Sep 17 00:00:00 2001
From: Niko Abeler <niko@rerere.org>
Date: Mon, 10 Oct 2022 20:59:06 +0200
Subject: [PATCH] add reply-to url. #22

---
 embed/post.html  | 13 +++++++++++++
 post.go          | 10 +++++++++-
 renderer_test.go | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 68 insertions(+), 1 deletion(-)

diff --git a/embed/post.html b/embed/post.html
index b87c1a1..36e3cc3 100644
--- a/embed/post.html
+++ b/embed/post.html
@@ -15,6 +15,19 @@
     </hgroup>
     <hr>
     <br>
+
+    {{ if .Post.Meta.Reply.Url }}
+        <p style="font-style: italic;filter: opacity(80%);">
+            In reply to: <a class="u-in-reply-to h-cite" rel="in-reply-to" href="{{.Post.Meta.Reply.Url}}">
+                {{ if .Post.Meta.Reply.Text }}
+                    {{.Post.Meta.Reply.Text}}
+                {{ else }}
+                    {{.Post.Meta.Reply.Url}}
+                {{ end }}
+            </a>
+        </p>
+    {{ end }}
+
     <div class="e-content">
         {{.Content}}
     </div>
diff --git a/post.go b/post.go
index f731be1..ee4d7b0 100644
--- a/post.go
+++ b/post.go
@@ -27,11 +27,17 @@ type Post struct {
 	wmLock     sync.Mutex
 }
 
+type Reply struct {
+	Url  string `yaml:"url"`
+	Text string `yaml:"text"`
+}
+
 type PostMeta struct {
 	Title   string    `yaml:"title"`
 	Aliases []string  `yaml:"aliases"`
 	Date    time.Time `yaml:"date"`
 	Draft   bool      `yaml:"draft"`
+	Reply   Reply     `yaml:"reply"`
 }
 
 func (pm PostMeta) FormattedDate() string {
@@ -43,6 +49,7 @@ func (pm *PostMeta) UnmarshalYAML(unmarshal func(interface{}) error) error {
 		Title   string   `yaml:"title"`
 		Aliases []string `yaml:"aliases"`
 		Draft   bool     `yaml:"draft"`
+		Reply   Reply    `yaml:"reply"`
 	}
 	type S struct {
 		Date string `yaml:"date"`
@@ -60,6 +67,7 @@ func (pm *PostMeta) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	pm.Title = t.Title
 	pm.Aliases = t.Aliases
 	pm.Draft = t.Draft
+	pm.Reply = t.Reply
 
 	possibleFormats := []string{
 		"2006-01-02",
@@ -206,7 +214,7 @@ func (post *Post) LoadMeta() error {
 	if string(trimmedData[0:4]) == "---\n" {
 		trimmedData = trimmedData[4:]
 		// find --- end
-		end := bytes.Index(trimmedData, []byte("\n---\n"))
+		end := bytes.Index(trimmedData, []byte("---\n"))
 		if end != -1 {
 			metaData := trimmedData[:end]
 			err := yaml.Unmarshal(metaData, &meta)
diff --git a/renderer_test.go b/renderer_test.go
index d98f6a1..10714d3 100644
--- a/renderer_test.go
+++ b/renderer_test.go
@@ -277,3 +277,49 @@ func TestAuthorNameInPost(t *testing.T) {
 		t.Error("Author Name not included. Got: " + result)
 	}
 }
+
+func TestRenderReplyWithoutText(t *testing.T) {
+
+	user := getTestUser()
+	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/post\n"
+	content += "---\n"
+	content += "\n"
+	content += "Hi \n"
+	os.WriteFile(post.ContentFile(), []byte(content), 0644)
+
+	result, _ := owl.RenderPost(&post)
+	if !strings.Contains(result, "https://example.com/post") {
+		t.Error("Reply url not rendered. Got: " + result)
+	}
+}
+
+func TestRenderReplyWithText(t *testing.T) {
+
+	user := getTestUser()
+	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/post\n"
+	content += "  text: \"This is a reply\"\n"
+	content += "---\n"
+	content += "Hi \n"
+	os.WriteFile(post.ContentFile(), []byte(content), 0644)
+
+	result, _ := owl.RenderPost(&post)
+	if !strings.Contains(result, "https://example.com/post") {
+		t.Error("Reply url not rendered. Got: " + result)
+	}
+
+	if !strings.Contains(result, "This is a reply") {
+		t.Error("Reply text not rendered. Got: " + result)
+	}
+}