refactor: login-logout action

sdgb-api/src/title/model/mod.rs

@@ -8,7 +8,7 @@ mod user_logout_api;
 pub use user_logout_api::{UserLogoutApi, UserLogoutApiResp};
 
 mod user_login_api;
-pub use user_login_api::{UserLoginApi, UserLoginApiResp};
+pub use user_login_api::{LoginError, UserLoginApi, UserLoginApiResp};
 
 mod get_user_data_api;
 pub use get_user_data_api::{GetUserDataApi, GetUserDataApiResp};

sdgb-api/src/title/model/user_login_api/mod.rs

@@ -52,3 +52,28 @@ impl UserLoginApi {
         }
     }
 }
+
+impl UserLoginApiResp {
+    pub fn error(&self) -> Option<LoginError> {
+        match self.return_code {
+            1 => None,
+            100 => Some(LoginError::AlreadyLogged),
+            102 => Some(LoginError::QRCodeExpired),
+            103 => Some(LoginError::AccountUnregistered),
+            error @ _ => Some(LoginError::Unknown { error }),
+        }
+    }
+}
+
+#[derive(Debug, snafu::Snafu)]
+pub enum LoginError {
+    #[snafu(display("QRCode was expired"))]
+    QRCodeExpired,
+    #[snafu(display("You did not logout last session"))]
+    AlreadyLogged,
+    #[snafu(display("userId does not exist"))]
+    AccountUnregistered,
+
+    #[snafu(display("Unknown error: {error}"))]
+    Unknown { error: i32 },
+}