feat: 实现 Rust 后端核心模块 - 配置管理、供应商管理和数据存储

src-tauri/src/store.rs

@@ -0,0 +1,45 @@
+use std::sync::Mutex;
+use crate::config::{get_app_config_path, read_json_file, write_json_file};
+use crate::provider::{Provider, ProviderManager};
+
+/// 全局应用状态
+pub struct AppState {
+    pub provider_manager: Mutex<ProviderManager>,
+}
+
+impl AppState {
+    /// 创建新的应用状态
+    pub fn new() -> Self {
+        let config_path = get_app_config_path();
+        let provider_manager = ProviderManager::load_from_file(&config_path)
+            .unwrap_or_else(|e| {
+                log::warn!("加载配置失败: {}, 使用默认配置", e);
+                ProviderManager::default()
+            });
+        
+        Self {
+            provider_manager: Mutex::new(provider_manager),
+        }
+    }
+    
+    /// 保存配置到文件
+    pub fn save(&self) -> Result<(), String> {
+        let config_path = get_app_config_path();
+        let manager = self.provider_manager.lock()
+            .map_err(|e| format!("获取锁失败: {}", e))?;
+        
+        manager.save_to_file(&config_path)
+    }
+    
+    /// 重新加载配置
+    pub fn reload(&self) -> Result<(), String> {
+        let config_path = get_app_config_path();
+        let new_manager = ProviderManager::load_from_file(&config_path)?;
+        
+        let mut manager = self.provider_manager.lock()
+            .map_err(|e| format!("获取锁失败: {}", e))?;
+        
+        *manager = new_manager;
+        Ok(())
+    }
+}