feat: camelCase JSON responses, isFollowedByViewer, customCss, GET /users/me/following-list

crates/api-types/src/requests.rs

@@ -2,6 +2,7 @@ use serde::Deserialize;
 use uuid::Uuid;
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct RegisterRequest {
     /// Username (1-32 chars, alphanumeric + underscore)
     pub username: String,
@@ -10,12 +11,14 @@ pub struct RegisterRequest {
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct LoginRequest {
     pub email: String,
     pub password: String,
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct CreateThoughtRequest {
     /// Up to 128 characters
     pub content: String,
@@ -27,11 +30,13 @@ pub struct CreateThoughtRequest {
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct EditThoughtRequest {
     pub content: String,
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct UpdateProfileRequest {
     pub display_name: Option<String>,
     pub bio: Option<String>,
@@ -41,12 +46,14 @@ pub struct UpdateProfileRequest {
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct SetTopFriendsRequest {
     /// Ordered list of user UUIDs, max 8
     pub friend_ids: Vec<Uuid>,
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct CreateApiKeyRequest {
     pub name: String,
 }

crates/api-types/src/responses.rs

@@ -3,12 +3,14 @@ use serde::Serialize;
 use uuid::Uuid;
 
 #[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct AuthResponse {
     pub token: String,
     pub user: UserResponse,
 }
 
 #[derive(Serialize, Clone, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct UserResponse {
     pub id: Uuid,
     pub username: String,
@@ -16,15 +18,20 @@ pub struct UserResponse {
     pub bio: Option<String>,
     pub avatar_url: Option<String>,
     pub header_url: Option<String>,
+    pub custom_css: Option<String>,
     pub local: bool,
+    pub is_followed_by_viewer: bool,
+    #[serde(rename = "joinedAt")]
     pub created_at: DateTime<Utc>,
 }
 
 #[derive(Serialize, Clone, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct ThoughtResponse {
     pub id: Uuid,
     pub content: String,
     pub author: UserResponse,
+    #[serde(rename = "replyToId")]
     pub in_reply_to_id: Option<Uuid>,
     pub visibility: String,
     pub content_warning: Option<String>,
@@ -39,6 +46,7 @@ pub struct ThoughtResponse {
 }
 
 #[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct PagedResponse<T: Serialize + utoipa::ToSchema> {
     pub items: Vec<T>,
     pub total: i64,
@@ -47,6 +55,7 @@ pub struct PagedResponse<T: Serialize + utoipa::ToSchema> {
 }
 
 #[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct ApiKeyResponse {
     pub id: Uuid,
     pub name: String,
@@ -54,6 +63,7 @@ pub struct ApiKeyResponse {
 }
 
 #[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct NotificationResponse {
     pub id: Uuid,
     pub notification_type: String,
@@ -64,11 +74,13 @@ pub struct NotificationResponse {
 }
 
 #[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct ErrorResponse {
     pub error: String,
 }
 
 #[derive(Serialize, utoipa::ToSchema)]
+#[serde(rename_all = "camelCase")]
 pub struct CreatedApiKeyResponse {
     pub id: Uuid,
     pub name: String,

crates/presentation/src/handlers/auth.rs

@@ -14,7 +14,9 @@ pub fn to_user_response(u: &domain::models::user::User) -> UserResponse {
         bio: u.bio.clone(),
         avatar_url: u.avatar_url.clone(),
         header_url: u.header_url.clone(),
+        custom_css: u.custom_css.clone(),
         local: u.local,
+        is_followed_by_viewer: false,
         created_at: u.created_at,
     }
 }

crates/presentation/src/handlers/users.rs

@@ -1,8 +1,11 @@
 use crate::{
-    errors::ApiError, extractors::AuthUser, handlers::auth::to_user_response, state::AppState,
+    errors::ApiError,
+    extractors::{AuthUser, OptionalAuthUser},
+    handlers::auth::to_user_response,
+    state::AppState,
 };
 use api_types::{
-    requests::UpdateProfileRequest,
+    requests::{PaginationQuery, UpdateProfileRequest},
     responses::{ErrorResponse, UserResponse},
 };
 use application::use_cases::feed::list_users;
@@ -24,9 +27,17 @@ use axum::{
 pub async fn get_user(
     State(s): State<AppState>,
     Path(username): Path<String>,
+    OptionalAuthUser(viewer): OptionalAuthUser,
 ) -> Result<Json<UserResponse>, ApiError> {
     let user = get_user_by_username(&*s.users, &username).await?;
-    Ok(Json(to_user_response(&user)))
+    let is_followed = if let Some(viewer_id) = viewer {
+        s.follows.find(&viewer_id, &user.id).await?.is_some()
+    } else {
+        false
+    };
+    let mut resp = to_user_response(&user);
+    resp.is_followed_by_viewer = is_followed;
+    Ok(Json(resp))
 }
 
 #[utoipa::path(
@@ -81,6 +92,24 @@ pub async fn get_me(
     Ok(Json(to_user_response(&user)))
 }
 
+pub async fn get_me_following_list(
+    State(s): State<AppState>,
+    AuthUser(uid): AuthUser,
+    Query(q): Query<PaginationQuery>,
+) -> Result<Json<serde_json::Value>, ApiError> {
+    use application::use_cases::feed::get_following;
+    use domain::models::feed::PageParams;
+    let page = PageParams {
+        page: q.page(),
+        per_page: q.per_page(),
+    };
+    let result = get_following(&*s.follows, &uid, page).await?;
+    Ok(Json(serde_json::json!({
+        "total": result.total,
+        "items": result.items.iter().map(to_user_response).collect::<Vec<_>>(),
+    })))
+}
+
 pub async fn get_users(
     State(s): State<AppState>,
     Query(params): Query<std::collections::HashMap<String, String>>,

crates/presentation/src/routes.rs

@@ -14,7 +14,16 @@ pub fn router() -> Router<AppState> {
         // users — static paths before parameterised
         .route("/users", get(users::get_users))
         .route("/users/count", get(users::get_user_count))
-        .route("/users/me", get(users::get_me).patch(users::patch_profile))
+        .route(
+            "/users/me",
+            get(users::get_me)
+                .patch(users::patch_profile)
+                .put(users::patch_profile),
+        )
+        .route(
+            "/users/me/following-list",
+            get(users::get_me_following_list),
+        )
         .route("/users/me/top-friends", put(social::put_top_friends))
         .route(
             "/users/{username}/top-friends",