Actually use the activity_pub::inbox::Notify trait for notifications

It won't work for local events until we use AP internally too

src/activity_pub/inbox.rs

@@ -1,5 +1,5 @@
 use activitypub::{
-    Activity, Object,
+    Object,
     activity::{Create, Like, Undo}
 };
 use diesel::PgConnection;
@@ -40,7 +40,7 @@ pub trait FromActivity<T: Object>: Sized {
     }
 }
 
-pub trait Notify<T: Activity> {
+pub trait Notify<T: Object> {
     fn notify(conn: &PgConnection, act: T, actor: Id);
 }
 

src/models/comments.rs

@@ -9,11 +9,12 @@ use serde_json;
 use activity_pub::{
     ap_url, Id, IntoId, PUBLIC_VISIBILTY,
     actor::Actor,
-    inbox::FromActivity,
+    inbox::{FromActivity, Notify},
     object::Object
 };
 use models::{
     instance::Instance,
+    notifications::*,
     posts::Post,
     users::User
 };
@@ -128,7 +129,7 @@ impl FromActivity<Note> for Comment {
     fn from_activity(conn: &PgConnection, note: Note, actor: Id) -> Comment {
         let previous_url = note.object_props.in_reply_to.clone().unwrap().as_str().unwrap().to_string();
         let previous_comment = Comment::find_by_ap_url(conn, previous_url.clone());
-        Comment::insert(conn, NewComment {
+        let comm = Comment::insert(conn, NewComment {
             content: SafeString::new(&note.object_props.content_string().unwrap()),
             spoiler_text: note.object_props.summary_string().unwrap_or(String::from("")),
             ap_url: note.object_props.id_string().ok(),
@@ -136,9 +137,30 @@ impl FromActivity<Note> for Comment {
             post_id: previous_comment
                 .map(|c| c.post_id)
                 .unwrap_or_else(|| Post::find_by_ap_url(conn, previous_url).unwrap().id),
-            author_id: User::from_url(conn, actor.into()).unwrap().id,
+            author_id: User::from_url(conn, actor.clone().into()).unwrap().id,
             sensitive: false // "sensitive" is not a standard property, we need to think about how to support it with the activitypub crate
-        })
+        });
+        Comment::notify(conn, note, actor);
+        comm
+    }
+}
+
+impl Notify<Note> for Comment {
+    fn notify(conn: &PgConnection, note: Note, _actor: Id) {
+        match Comment::find_by_ap_url(conn, note.object_props.id_string().unwrap()) {
+            Some(comment) => {
+                for author in comment.clone().get_post(conn).get_authors(conn) {
+                    let comment = comment.clone();
+                    Notification::insert(conn, NewNotification {
+                        title: format!("{} commented your article", comment.get_author(conn).display_name.clone()),
+                        content: Some(comment.get_post(conn).title),
+                        link: comment.ap_url,
+                        user_id: author.id
+                    });
+                }
+            },
+            None => println!("Couldn't find comment by AP id, to create a new notification")
+        };
     }
 }
 

src/models/follows.rs

@@ -1,9 +1,12 @@
 use activitypub::{Actor, activity::{Accept, Follow as FollowAct}};
 use diesel::{self, PgConnection, ExpressionMethods, QueryDsl, RunQueryDsl};
 
-use activity_pub::{broadcast, Id, IntoId, actor::Actor as ApActor, inbox::{FromActivity, WithInbox}, sign::Signer};
-use models::blogs::Blog;
-use models::users::User;
+use activity_pub::{broadcast, Id, IntoId, actor::Actor as ApActor, inbox::{FromActivity, Notify, WithInbox}, sign::Signer};
+use models::{
+    blogs::Blog,
+    notifications::*,
+    users::User
+};
 use schema::follows;
 
 #[derive(Queryable, Identifiable, Associations)]
@@ -70,3 +73,15 @@ impl FromActivity<FollowAct> for Follow {
         }
     }
 }
+
+impl Notify<FollowAct> for Follow {
+    fn notify(conn: &PgConnection, follow: FollowAct, actor: Id) {
+        let follower = User::from_url(conn, actor.into()).unwrap();
+        Notification::insert(conn, NewNotification {
+            title: format!("{} started following you", follower.display_name.clone()),
+            content: None,
+            link: Some(follower.ap_url),
+            user_id: User::from_url(conn, follow.follow_props.object_link::<Id>().unwrap().into()).unwrap().id
+        });
+    }
+}

src/models/likes.rs

@@ -7,10 +7,11 @@ use activity_pub::{
     Id,
     IntoId,
     actor::Actor,
-    inbox::{FromActivity, Deletable},
+    inbox::{FromActivity, Deletable, Notify},
     object::Object
 };
 use models::{
+    notifications::*,
     posts::Post,
     users::User
 };
@@ -97,14 +98,32 @@ impl Like {
 }
 
 impl FromActivity<activity::Like> for Like {
-    fn from_activity(conn: &PgConnection, like: activity::Like, _actor: Id) -> Like {
+    fn from_activity(conn: &PgConnection, like: activity::Like, actor: Id) -> Like {
         let liker = User::from_url(conn, like.like_props.actor.as_str().unwrap().to_string());
         let post = Post::find_by_ap_url(conn, like.like_props.object.as_str().unwrap().to_string());
-        Like::insert(conn, NewLike {
+        let res = Like::insert(conn, NewLike {
             post_id: post.unwrap().id,
             user_id: liker.unwrap().id,
             ap_url: like.object_props.id_string().unwrap_or(String::from(""))
-        })
+        });
+        Like::notify(conn, like, actor);
+        res
+    }
+}
+
+impl Notify<activity::Like> for Like {
+    fn notify(conn: &PgConnection, like: activity::Like, actor: Id) {
+        let liker = User::from_url(conn, actor.into()).unwrap();
+        let post = Post::find_by_ap_url(conn, like.like_props.object_link::<Id>().unwrap().into()).unwrap();
+        for author in post.get_authors(conn) {
+            let post = post.clone();
+            Notification::insert(conn, NewNotification {
+                title: format!("{} liked your article", liker.display_name.clone()),
+                content: Some(post.title),
+                link: Some(post.ap_url),
+                user_id: author.id
+            });
+        }
     }
 }
 

src/models/posts.rs

@@ -24,7 +24,7 @@ use models::{
 use schema::posts;
 use safe_string::SafeString;
 
-#[derive(Queryable, Identifiable, Serialize)]
+#[derive(Queryable, Identifiable, Serialize, Clone)]
 pub struct Post {
     pub id: i32,
     pub blog_id: i32,

src/models/reshares.rs

@@ -2,8 +2,8 @@ use activitypub::activity::{Announce, Undo};
 use chrono::NaiveDateTime;
 use diesel::{self, PgConnection, QueryDsl, RunQueryDsl, ExpressionMethods};
 
-use activity_pub::{Id, IntoId, actor::Actor, inbox::FromActivity, object::Object};
-use models::{posts::Post, users::User};
+use activity_pub::{Id, IntoId, actor::Actor, inbox::{FromActivity, Notify}, object::Object};
+use models::{notifications::*, posts::Post, users::User};
 use schema::reshares;
 
 #[derive(Serialize, Deserialize, Queryable, Identifiable)]
@@ -100,13 +100,31 @@ impl Reshare {
 }
 
 impl FromActivity<Announce> for Reshare {
-    fn from_activity(conn: &PgConnection, announce: Announce, _actor: Id) -> Reshare {
+    fn from_activity(conn: &PgConnection, announce: Announce, actor: Id) -> Reshare {
         let user = User::from_url(conn, announce.announce_props.actor.as_str().unwrap().to_string());
         let post = Post::find_by_ap_url(conn, announce.announce_props.object.as_str().unwrap().to_string());
-        Reshare::insert(conn, NewReshare {
+        let reshare = Reshare::insert(conn, NewReshare {
             post_id: post.unwrap().id,
             user_id: user.unwrap().id,
             ap_url: announce.object_props.id_string().unwrap_or(String::from(""))
-        })
+        });
+        Reshare::notify(conn, announce, actor);
+        reshare
+    }
+}
+
+impl Notify<Announce> for Reshare {
+    fn notify(conn: &PgConnection, announce: Announce, actor: Id) {
+        let actor = User::from_url(conn, actor.into()).unwrap();
+        let post = Post::find_by_ap_url(conn, announce.announce_props.object_link::<Id>().unwrap().into()).unwrap();
+        for author in post.get_authors(conn) {
+            let post = post.clone();
+            Notification::insert(conn, NewNotification {
+                title: format!("{} reshared your article", actor.display_name.clone()),
+                content: Some(post.title),
+                link: Some(post.ap_url),
+                user_id: author.id
+            });
+        }
     }
 }

src/models/users.rs

@@ -37,10 +37,8 @@ use db_conn::DbConn;
 use models::{
     blogs::Blog,
     blog_authors::BlogAuthor,
-    comments::Comment,
     follows::Follow,
     instance::Instance,
-    notifications::*,
     post_authors::PostAuthor,
     posts::Post
 };
@@ -458,58 +456,6 @@ impl Inbox for User {
             println!("Inbox error:\n{}\n{}\n\nActivity was: {}", err.cause(), err.backtrace(), act.to_string());
         }
 
-        // Notifications
-        match act["type"].as_str().unwrap() {
-            "Announce" => {
-                let actor = User::from_url(conn, act["actor"].as_str().unwrap().to_string()).unwrap();
-                let post = Post::find_by_ap_url(conn, act["object"].as_str().unwrap().to_string()).unwrap();                
-                Notification::insert(conn, NewNotification {
-                    title: format!("{} reshared your article", actor.display_name.clone()),
-                    content: Some(post.title),
-                    link: Some(post.ap_url),
-                    user_id: self.id
-                });
-            },
-            "Follow" => {
-                let follower = User::from_url(conn, act["actor"].as_str().unwrap().to_string()).unwrap();
-                Notification::insert(conn, NewNotification {
-                    title: format!("{} started following you", follower.display_name.clone()),
-                    content: None,
-                    link: Some(follower.ap_url),
-                    user_id: self.id
-                });
-            }
-            "Like" => {
-                let liker = User::from_url(conn, act["actor"].as_str().unwrap().to_string()).unwrap();
-                let post = Post::find_by_ap_url(conn, act["object"].as_str().unwrap().to_string()).unwrap();
-                Notification::insert(conn, NewNotification {
-                    title: format!("{} liked your article", liker.display_name.clone()),
-                    content: Some(post.title),
-                    link: Some(post.ap_url),
-                    user_id: self.id
-                });
-            },
-            "Create" => {
-                match act["object"]["type"].as_str().unwrap() {
-                    "Note" => {
-                        match Comment::find_by_ap_url(conn, act["object"]["id"].as_str().unwrap().to_string()) {
-                            Some(comment) => {
-                                Notification::insert(conn, NewNotification {
-                                    title: format!("{} commented your article", comment.get_author(conn).display_name.clone()),
-                                    content: Some(comment.get_post(conn).title),
-                                    link: comment.ap_url,
-                                    user_id: self.id
-                                });
-                            },
-                            None => println!("Couldn't find comment by AP id, to create a new notification")
-                        };
-                    }
-                    _ => {}
-                }
-            }
-            _ => {}
-        }
-
         // TODO: add to stream, or whatever needs to be done
     }
 }