Implement Post::update_hashtags07()

This commit is contained in:
Kitaiti Makoto 2022-03-21 10:11:35 +09:00
parent c1562f3868
commit da7870eeba

View file

@ -747,6 +747,43 @@ impl Post {
Ok(())
}
pub fn update_hashtags07(&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, true)?;
}
}
for ot in old_tags.into_iter().filter(|t| t.is_hashtag) {
if !tags_name.contains(&ot.tag) {
ot.delete(conn)?;
}
}
Ok(())
}
pub fn url(&self, conn: &Connection) -> Result<String> {
let blog = self.get_blog(conn)?;
Ok(format!("/~/{}/{}", blog.fqn, self.slug))