feat(application, api-types): use cases with tests and DTOs

crates/api-types/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "api-types"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+domain  = { workspace = true }
+serde   = { workspace = true }
+uuid    = { workspace = true }
+chrono  = { workspace = true }
+utoipa  = { workspace = true }

crates/api-types/src/lib.rs

@@ -0,0 +1,2 @@
+pub mod requests;
+pub mod responses;

crates/api-types/src/requests.rs

@@ -0,0 +1,11 @@
+#[derive(Debug, serde::Deserialize, utoipa::ToSchema)]
+pub struct RegisterRequest {
+    pub email: String,
+    pub password: String,
+}
+
+#[derive(Debug, serde::Deserialize, utoipa::ToSchema)]
+pub struct LoginRequest {
+    pub email: String,
+    pub password: String,
+}

crates/api-types/src/responses.rs

@@ -0,0 +1,27 @@
+use chrono::{DateTime, Utc};
+use uuid::Uuid;
+
+#[derive(Debug, serde::Serialize, utoipa::ToSchema)]
+pub struct UserResponse {
+    pub id: Uuid,
+    pub email: String,
+    pub role: String,
+    pub created_at: DateTime<Utc>,
+}
+
+#[derive(Debug, serde::Serialize, utoipa::ToSchema)]
+pub struct AuthResponse {
+    pub token: String,
+    pub user: UserResponse,
+}
+
+impl UserResponse {
+    pub fn from_domain(user: &domain::entities::User) -> Self {
+        Self {
+            id: *user.id.as_uuid(),
+            email: user.email.to_string(),
+            role: user.role.to_string(),
+            created_at: user.created_at,
+        }
+    }
+}