application: auth bounded context (register, login)

crates/domain/src/events/mod.rs

@@ -32,6 +32,8 @@ pub enum DomainEvent {
     ChannelUpdated { channel_id: ChannelId },
     /// A channel was deleted.
     ChannelDeleted { channel_id: ChannelId },
+    /// A new user was registered.
+    UserRegistered { user_id: crate::value_objects::UserId },
 }
 
 #[cfg(test)]

crates/domain/src/models/user.rs

@@ -85,6 +85,13 @@ impl User {
     pub fn created_at(&self) -> DateTime<Utc> {
         self.created_at
     }
+
+    // -- Mutations --
+
+    /// Promote this user to admin.
+    pub fn promote_to_admin(&mut self) {
+        self.is_admin = true;
+    }
 }
 
 #[cfg(test)]