From c1562f38683f564bca210772285dfbd1858d3019 Mon Sep 17 00:00:00 2001
From: Kitaiti Makoto <KitaitiMakoto@gmail.com>
Date: Mon, 21 Mar 2022 10:08:00 +0900
Subject: [PATCH] Implement Post::update_tags07()

---
 plume-models/src/posts.rs | 41 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/plume-models/src/posts.rs b/plume-models/src/posts.rs
index e6fb195e..bd87714d 100644
--- a/plume-models/src/posts.rs
+++ b/plume-models/src/posts.rs
@@ -25,8 +25,8 @@ use plume_common::{
     activity_pub::{
         inbox::{AsActor, AsObject, FromId},
         sign::Signer,
-        Hashtag, Id, IntoId, Licensed, Licensed07, LicensedArticle as LicensedArticle07, Source,
-        SourceProperty, PUBLIC_VISIBILITY,
+        Hashtag, Hashtag07, Id, IntoId, Licensed, Licensed07, LicensedArticle as LicensedArticle07,
+        Source, SourceProperty, PUBLIC_VISIBILITY,
     },
     utils::{iri_percent_encode_seg, md_to_html},
 };
@@ -674,6 +674,43 @@ impl Post {
         Ok(())
     }
 
+    pub fn update_tags07(&self, conn: &Connection, tags: Vec<Hashtag07>) -> Result<()> {
+        let tags_name = tags
+            .iter()
+            .filter_map(|t| t.name.as_ref().map(|name| name.as_str().to_string()))
+            .collect::<HashSet<_>>();
+
+        let old_tags = Tag::for_post(&*conn, self.id)?;
+        let old_tags_name = old_tags
+            .iter()
+            .filter_map(|tag| {
+                if !tag.is_hashtag {
+                    Some(tag.tag.clone())
+                } else {
+                    None
+                }
+            })
+            .collect::<HashSet<_>>();
+
+        for t in tags {
+            if !t
+                .name
+                .as_ref()
+                .map(|n| old_tags_name.contains(n.as_str()))
+                .unwrap_or(true)
+            {
+                Tag::from_activity07(conn, &t, self.id, false)?;
+            }
+        }
+
+        for ot in old_tags.iter().filter(|t| !t.is_hashtag) {
+            if !tags_name.contains(&ot.tag) {
+                ot.delete(conn)?;
+            }
+        }
+        Ok(())
+    }
+
     pub fn update_hashtags(&self, conn: &Connection, tags: Vec<Hashtag>) -> Result<()> {
         let tags_name = tags
             .iter()