add: live browser notifications

crates/core/src/model/auth.rs

@@ -40,6 +40,10 @@ pub struct User {
     /// External service connection details.
     #[serde(default)]
     pub connections: UserConnections,
+    /// Subscribed channels data. Each entry is a channel ID, as well as the ID of
+    /// the last message the user saw in that channel.
+    #[serde(default)]
+    pub subscriptions: HashMap<usize, usize>,
 }
 
 pub type UserConnections =
@@ -232,6 +236,7 @@ impl User {
             post_count: 0,
             request_count: 0,
             connections: HashMap::new(),
+            subscriptions: HashMap::new(),
         }
     }
 
@@ -370,14 +375,12 @@ pub struct ExternalConnectionInfo {
     pub show_on_profile: bool,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
-#[derive(Default)]
+#[derive(Clone, Debug, Serialize, Deserialize, Default)]
 pub struct ExternalConnectionData {
     pub external_urls: HashMap<String, String>,
     pub data: HashMap<String, String>,
 }
 
-
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Notification {
     pub id: usize,