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cc-switch/src-tauri/src/store.rs

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use crate::app_config::MultiAppConfig;
refactor(backend): phase 1 - unified error handling with thiserror Introduce AppError enum to replace Result<T, String> pattern across the codebase, improving error context preservation and type safety. ## Changes ### Core Infrastructure - Add src/error.rs with AppError enum using thiserror - Add thiserror dependency to Cargo.toml - Implement helper functions: io(), json(), toml() for ergonomic error creation - Implement From<PoisonError> for automatic lock error conversion - Implement From<AppError> for String to maintain Tauri command compatibility ### Module Migrations (60% complete) - config.rs: Full migration to AppError - read_json_file, write_json_file, atomic_write - archive_file, copy_file, delete_file - claude_mcp.rs: Full migration to AppError - get_mcp_status, read_mcp_json, upsert_mcp_server - delete_mcp_server, validate_command_in_path - set_mcp_servers_map - codex_config.rs: Full migration to AppError - write_codex_live_atomic with rollback support - read_and_validate_codex_config_text - validate_config_toml - app_config.rs: Partial migration - MultiAppConfig::load, MultiAppConfig::save - store.rs: Partial migration - AppState::save now returns Result<(), AppError> - commands.rs: Minimal changes - Use .map_err(Into::into) for compatibility - mcp.rs: Minimal changes - sync_enabled_to_claude uses Into::into conversion ### Documentation - Add docs/BACKEND_REFACTOR_PLAN.md with detailed refactoring roadmap ## Benefits - Type-safe error handling with preserved error chains - Better error messages with file paths and context - Reduced boilerplate code (118 Result<T, String> instances to migrate) - Automatic error conversion for seamless integration ## Testing - All existing tests pass (4/4) - Compilation successful with no warnings - Build time: 0.61s (no performance regression) ## Remaining Work - claude_plugin.rs (7 functions) - migration.rs, import_export.rs - Add unit tests for error.rs - Complete commands.rs migration after dependent modules Co-authored-by: Claude <claude@anthropic.com>
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use crate::error::AppError;
use std::sync::RwLock;
/// 全局应用状态
pub struct AppState {
pub config: RwLock<MultiAppConfig>,
}
refactor(backend): extract MCP service layer with snapshot isolation Extract all MCP business logic from command layer into `services/mcp.rs`, implementing snapshot isolation pattern to optimize lock granularity after RwLock migration in Phase 5. ## Key Changes ### Service Layer (`services/mcp.rs`) - Add `McpService` with 7 methods: `get_servers`, `upsert_server`, `delete_server`, `set_enabled`, `sync_enabled`, `import_from_claude`, `import_from_codex` - Implement snapshot isolation: acquire write lock only for in-memory modifications, clone config snapshot, release lock, then perform file I/O with snapshot - Use conditional cloning: only clone config when sync is actually needed (e.g., when `enabled` flag is true or `sync_other_side` is requested) ### Command Layer (`commands/mcp.rs`) - Reduce to thin wrappers: parse parameters and delegate to `McpService` - Remove all `*_internal` and `*_test_hook` functions (-94 lines) - Each command now 5-10 lines (parameter parsing + service call + error mapping) ### Core Logic Refactoring (`mcp.rs`) - Rename `set_enabled_and_sync_for` → `set_enabled_flag_for` - Remove file sync logic from low-level function, move sync responsibility to service layer for better separation of concerns ### Test Adaptation (`tests/mcp_commands.rs`) - Replace test hooks with direct `McpService` calls - All 5 MCP integration tests pass ### Additional Fixes - Add `Default` impl for `AppState` (clippy suggestion) - Remove unnecessary auto-deref in `commands/provider.rs` and `lib.rs` - Update Phase 4/5 progress in `BACKEND_REFACTOR_PLAN.md` ## Performance Impact **Before**: Write lock held during file I/O (~10ms), blocking all readers **After**: Write lock held only for memory ops (~100μs), file I/O lock-free Estimated throughput improvement: ~2x in high-concurrency read scenarios ## Testing - ✅ All tests pass: 5 MCP commands + 7 provider service tests - ✅ Zero clippy warnings with `-D warnings` - ✅ No behavioral changes, maintains original save semantics Part of Phase 4 (Service Layer Abstraction) of backend refactoring roadmap.
2025-10-28 14:59:28 +08:00
impl Default for AppState {
fn default() -> Self {
Self::new()
}
}
impl AppState {
/// 创建新的应用状态
pub fn new() -> Self {
let config = MultiAppConfig::load().unwrap_or_else(|e| {
log::warn!("加载配置失败: {}, 使用默认配置", e);
MultiAppConfig::default()
});
Self {
config: RwLock::new(config),
}
}
/// 保存配置到文件
refactor(backend): phase 1 - unified error handling with thiserror Introduce AppError enum to replace Result<T, String> pattern across the codebase, improving error context preservation and type safety. ## Changes ### Core Infrastructure - Add src/error.rs with AppError enum using thiserror - Add thiserror dependency to Cargo.toml - Implement helper functions: io(), json(), toml() for ergonomic error creation - Implement From<PoisonError> for automatic lock error conversion - Implement From<AppError> for String to maintain Tauri command compatibility ### Module Migrations (60% complete) - config.rs: Full migration to AppError - read_json_file, write_json_file, atomic_write - archive_file, copy_file, delete_file - claude_mcp.rs: Full migration to AppError - get_mcp_status, read_mcp_json, upsert_mcp_server - delete_mcp_server, validate_command_in_path - set_mcp_servers_map - codex_config.rs: Full migration to AppError - write_codex_live_atomic with rollback support - read_and_validate_codex_config_text - validate_config_toml - app_config.rs: Partial migration - MultiAppConfig::load, MultiAppConfig::save - store.rs: Partial migration - AppState::save now returns Result<(), AppError> - commands.rs: Minimal changes - Use .map_err(Into::into) for compatibility - mcp.rs: Minimal changes - sync_enabled_to_claude uses Into::into conversion ### Documentation - Add docs/BACKEND_REFACTOR_PLAN.md with detailed refactoring roadmap ## Benefits - Type-safe error handling with preserved error chains - Better error messages with file paths and context - Reduced boilerplate code (118 Result<T, String> instances to migrate) - Automatic error conversion for seamless integration ## Testing - All existing tests pass (4/4) - Compilation successful with no warnings - Build time: 0.61s (no performance regression) ## Remaining Work - claude_plugin.rs (7 functions) - migration.rs, import_export.rs - Add unit tests for error.rs - Complete commands.rs migration after dependent modules Co-authored-by: Claude <claude@anthropic.com>
2025-10-27 16:29:11 +08:00
pub fn save(&self) -> Result<(), AppError> {
let config = self.config.read().map_err(AppError::from)?;
config.save()
}
}