完善folder页面的web接口实现

src-tauri/src/web/handlers/folder_commands.rs

@@ -1,2 +1,25 @@
-// Folder commands web handlers.
-// TODO: Implement folder command CRUD handlers for web mode.
+use axum::{extract::Extension, Json};
+use serde::Deserialize;
+use tauri::Manager;
+
+use crate::app_error::AppCommandError;
+use crate::db::service::folder_command_service;
+use crate::db::AppDatabase;
+use crate::models::*;
+
+#[derive(Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct FolderIdParams {
+    pub folder_id: i32,
+}
+
+pub async fn list_folder_commands(
+    Extension(app): Extension<tauri::AppHandle>,
+    Json(params): Json<FolderIdParams>,
+) -> Result<Json<Vec<FolderCommandInfo>>, AppCommandError> {
+    let db = app.state::<AppDatabase>();
+    let result = folder_command_service::list_by_folder(&db.conn, params.folder_id)
+        .await
+        .map_err(AppCommandError::from)?;
+    Ok(Json(result))
+}