From 08ac7227b5a33c852e20a1c8cfd73257ed58114c Mon Sep 17 00:00:00 2001
From: Kitaiti Makoto <KitaitiMakoto@gmail.com>
Date: Sun, 3 Apr 2022 21:44:21 +0900
Subject: [PATCH] Implement Comment::builde_delete07()

---
 plume-models/src/comments.rs | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/plume-models/src/comments.rs b/plume-models/src/comments.rs
index 17093dda..574c626c 100644
--- a/plume-models/src/comments.rs
+++ b/plume-models/src/comments.rs
@@ -17,8 +17,12 @@ use activitypub::{
     object::{Note, Tombstone},
 };
 use activitystreams::{
-    activity::Create as Create07, base::Base, iri_string::types::IriString, object::Note as Note07,
-    prelude::*, time::OffsetDateTime,
+    activity::{Create as Create07, Delete as Delete07},
+    base::Base,
+    iri_string::types::IriString,
+    object::{Note as Note07, Tombstone as Tombstone07},
+    prelude::*,
+    time::OffsetDateTime,
 };
 use chrono::{self, NaiveDateTime, TimeZone, Utc};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl, SaveChangesDsl};
@@ -262,6 +266,26 @@ impl Comment {
 
         Ok(act)
     }
+
+    pub fn build_delete07(&self, conn: &Connection) -> Result<Delete07> {
+        let mut tombstone = Tombstone07::new();
+        tombstone.set_id(
+            self.ap_url
+                .as_ref()
+                .ok_or(Error::MissingApProperty)?
+                .parse::<IriString>()?,
+        );
+
+        let mut act = Delete07::new(
+            self.get_author(conn)?.into_id().parse::<IriString>()?,
+            Base::retract(tombstone)?.into_generic()?,
+        );
+
+        act.set_id(format!("{}#delete", self.ap_url.clone().unwrap()).parse::<IriString>()?);
+        act.set_many_tos(vec![PUBLIC_VISIBILITY.parse::<IriString>()?]);
+
+        Ok(act)
+    }
 }
 
 impl FromId<DbConn> for Comment {