Add support for avatars, and fetch remote ones

migrations/2018-09-03-102510_users_add_avatar/down.sql

@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+ALTER TABLE users DROP COLUMN avatar_id;

migrations/2018-09-03-102510_users_add_avatar/up.sql

@@ -0,0 +1,2 @@
+-- Your SQL goes here
+ALTER TABLE users ADD COLUMN avatar_id INTEGER REFERENCES medias(id) ON DELETE CASCADE;

plume-models/src/medias.rs

@@ -64,11 +64,34 @@ impl Media {
     }
 
     pub fn url(&self, conn: &PgConnection) -> String {
+        if self.is_remote {
+            self.remote_url.clone().unwrap_or(String::new())
+        } else {
             ap_url(format!("{}/static/{}", Instance::get_local(conn).unwrap().public_domain, self.file_path))
         }
+    }
 
     pub fn delete(&self, conn: &PgConnection) {
         fs::remove_file(self.file_path.as_str()).expect("Couldn't delete media from disk");
         diesel::delete(self).execute(conn).expect("Couldn't remove media from DB");
     }
+
+    pub fn save_remote(conn: &PgConnection, url: String) -> Media {
+        Media::insert(conn, NewMedia {
+            file_path: String::new(),
+            alt_text: String::new(),
+            is_remote: true,
+            remote_url: Some(url),
+            sensitive: false,
+            content_warning: None,
+            owner_id: 1 // It will be owned by the admin during an instant, but set_owner will be called just after
+        })
+    }
+
+    pub fn set_owner(&self, conn: &PgConnection, id: i32) {
+        diesel::update(self)
+            .set(medias::owner_id.eq(id))
+            .execute(conn)
+            .expect("Couldn't update Media.owner_id");
+    }
 }

plume-models/src/schema.rs

@@ -155,6 +155,7 @@ table! {
         public_key -> Text,
         shared_inbox_url -> Nullable<Varchar>,
         followers_endpoint -> Varchar,
+        avatar_id -> Nullable<Int4>,
     }
 }
 
@@ -165,7 +166,6 @@ joinable!(comments -> posts (post_id));
 joinable!(comments -> users (author_id));
 joinable!(likes -> posts (post_id));
 joinable!(likes -> users (user_id));
-joinable!(medias -> users (owner_id));
 joinable!(mentions -> comments (comment_id));
 joinable!(mentions -> posts (post_id));
 joinable!(mentions -> users (mentioned_id));

plume-models/src/users.rs

@@ -37,6 +37,7 @@ use blog_authors::BlogAuthor;
 use follows::Follow;
 use instance::*;
 use likes::Like;
+use medias::Media;
 use post_authors::PostAuthor;
 use posts::Post;
 use reshares::Reshare;
@@ -64,7 +65,8 @@ pub struct User {
     pub private_key: Option<String>,
     pub public_key: String,
     pub shared_inbox_url: Option<String>,
-    pub followers_endpoint: String
+    pub followers_endpoint: String,
+    pub avatar_id: Option<i32>,
 }
 
 #[derive(Insertable)]
@@ -83,7 +85,8 @@ pub struct NewUser {
     pub private_key: Option<String>,
     pub public_key: String,
     pub shared_inbox_url: Option<String>,
-    pub followers_endpoint: String
+    pub followers_endpoint: String,
+    pub avatar_id: Option<i32>,
 }
 
 const USER_PREFIX: &'static str = "@";
@@ -195,7 +198,11 @@ impl User {
                 })
             }
         };
-        User::insert(conn, NewUser {
+
+        let avatar = Media::save_remote(conn, acct.object.object_props.icon_image().expect("User::from_activity: icon error")
+            .object_props.url_string().expect("User::from_activity: icon.url error"));
+
+        let user = User::insert(conn, NewUser {
             username: acct.object.ap_actor_props.preferred_username_string().expect("User::from_activity: preferredUsername error"),
             display_name: acct.object.object_props.name_string().expect("User::from_activity: name error"),
             outbox_url: acct.object.ap_actor_props.outbox_string().expect("User::from_activity: outbox error"),
@@ -211,8 +218,12 @@ impl User {
             private_key: None,
             shared_inbox_url: acct.object.ap_actor_props.endpoints_endpoint()
                 .and_then(|e| e.shared_inbox_string()).ok(),
-            followers_endpoint: acct.object.ap_actor_props.followers_string().expect("User::from_activity: followers error")
+            followers_endpoint: acct.object.ap_actor_props.followers_string().expect("User::from_activity: followers error"),
-        })
+            avatar_id: Some(avatar.id)
+        });
+        avatar.set_owner(conn, user.id);
+
+        user
     }
 
     pub fn hash_pass(pass: String) -> String {
@@ -438,6 +449,7 @@ impl User {
         } else {
             json!(self.get_fqn(conn))
         };
+        json["avatar"] = json!(self.avatar_id.and_then(|id| Media::get(conn, id).map(|m| m.url(conn))).unwrap_or("/static/default-avatar.png".to_string()));
         json
     }
 
@@ -556,7 +568,8 @@ impl NewUser {
             public_key: String::from_utf8(pub_key).unwrap(),
             private_key: Some(String::from_utf8(priv_key).unwrap()),
             shared_inbox_url: None,
-            followers_endpoint: String::from("")
+            followers_endpoint: String::from(""),
+            avatar_id: None
         })
     }
 }

templates/users/header.html.tera

@@ -1,4 +1,8 @@
 <div class="user">
+    <div>
+        <img src="{{ user.avatar }}" alt="{{ "{{ name}}'s avatar'" | _(name=user.name) }}">
+    </div>
+
     <h1>
         {{ user.name }}