use activitypub::link; use diesel::{self, PgConnection, QueryDsl, RunQueryDsl, ExpressionMethods}; use plume_common::activity_pub::inbox::Notify; use Connection; use comments::Comment; use notifications::*; use posts::Post; use users::User; use schema::mentions; #[derive(Queryable, Identifiable, Serialize, Deserialize)] pub struct Mention { pub id: i32, pub mentioned_id: i32, pub post_id: Option, pub comment_id: Option, pub ap_url: String // TODO: remove, since mentions don't have an AP URL actually, this field was added by mistake } #[derive(Insertable)] #[table_name = "mentions"] pub struct NewMention { pub mentioned_id: i32, pub post_id: Option, pub comment_id: Option, pub ap_url: String } impl Mention { insert!(mentions, NewMention); get!(mentions); find_by!(mentions, find_by_ap_url, ap_url as String); list_by!(mentions, list_for_user, mentioned_id as i32); list_by!(mentions, list_for_post, post_id as i32); list_by!(mentions, list_for_comment, comment_id as i32); pub fn get_mentioned(&self, conn: &Connection) -> Option { User::get(conn, self.mentioned_id) } pub fn get_post(&self, conn: &Connection) -> Option { self.post_id.and_then(|id| Post::get(conn, id)) } pub fn get_comment(&self, conn: &Connection) -> Option { self.comment_id.and_then(|id| Comment::get(conn, id)) } pub fn get_user(&self, conn: &Connection) -> Option { match self.get_post(conn) { Some(p) => p.get_authors(conn).into_iter().next(), None => self.get_comment(conn).map(|c| c.get_author(conn)) } } pub fn build_activity(conn: &Connection, ment: String) -> link::Mention { let user = User::find_by_fqn(conn, ment.clone()); let mut mention = link::Mention::default(); mention.link_props.set_href_string(user.clone().map(|u| u.ap_url).unwrap_or(String::new())).expect("Error setting mention's href"); mention.link_props.set_name_string(format!("@{}", ment)).expect("Error setting mention's name"); mention } pub fn to_activity(&self, conn: &Connection) -> link::Mention { let user = self.get_mentioned(conn); let mut mention = link::Mention::default(); mention.link_props.set_href_string(user.clone().map(|u| u.ap_url).unwrap_or(String::new())).expect("Error setting mention's href"); mention.link_props.set_name_string(user.map(|u| format!("@{}", u.get_fqn(conn))).unwrap_or(String::new())).expect("Error setting mention's name"); mention } pub fn from_activity(conn: &Connection, ment: link::Mention, inside: i32, in_post: bool, notify: bool) -> Option { let ap_url = ment.link_props.href_string().ok()?; let mentioned = User::find_by_ap_url(conn, ap_url)?; if in_post { Post::get(conn, inside.clone().into()).map(|post| { let res = Mention::insert(conn, NewMention { mentioned_id: mentioned.id, post_id: Some(post.id), comment_id: None, ap_url: ment.link_props.href_string().unwrap_or(String::new()) }); if notify { res.notify(conn); } res }) } else { Comment::get(conn, inside.into()).map(|comment| { let res = Mention::insert(conn, NewMention { mentioned_id: mentioned.id, post_id: None, comment_id: Some(comment.id), ap_url: ment.link_props.href_string().unwrap_or(String::new()) }); if notify { res.notify(conn); } res }) } } } impl Notify for Mention { fn notify(&self, conn: &Connection) { self.get_mentioned(conn).map(|m| { Notification::insert(conn, NewNotification { kind: notification_kind::MENTION.to_string(), object_id: self.id, user_id: m.id }); }); } }