Files
MyGoNavi/internal/mcpserver/backend.go
Syngnat eff2f7f63a feat(ai-mcp): 补全结构探针并优化客户端接入体验
- 新增 get_indexes、get_foreign_keys、get_triggers 内置工具与 MCP Server 对应实现
- 拆分 AI 设置中的 MCP 接入面板和服务卡片,补充参数提示与客户端状态展示
- 补齐前后端测试与真实页面验证,降低 AI 设置区域的臃肿度
2026-06-07 22:06:24 +08:00

114 lines
4.2 KiB
Go

package mcpserver
import (
"context"
"GoNavi-Wails/internal/ai"
aiservice "GoNavi-Wails/internal/ai/service"
appcore "GoNavi-Wails/internal/app"
"GoNavi-Wails/internal/appdata"
"GoNavi-Wails/internal/connection"
"GoNavi-Wails/internal/logger"
)
// Backend 抽象 GoNavi 后端能力,便于复用真实 App 和单元测试替身。
type Backend interface {
Close(context.Context) error
GetSavedConnections() ([]connection.SavedConnectionView, error)
GetEditableSavedConnection(id string) (connection.SavedConnectionView, error)
DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult
DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult
DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult
DBQueryMulti(config connection.ConnectionConfig, dbName string, query string, queryID string) connection.QueryResult
InspectSQL(dbType string, sql string) appcore.SQLInspection
GetSQLSafetyLevel() ai.SQLPermissionLevel
}
// AppBackend 基于现有 internal/app.App 暴露 MCP 所需数据库能力。
type AppBackend struct {
app *appcore.App
}
func NewAppBackend(ctx context.Context) *AppBackend {
if ctx == nil {
ctx = context.Background()
}
a := appcore.NewApp()
appcore.InitializeLifecycle(a, ctx)
return &AppBackend{app: a}
}
func (b *AppBackend) Close(ctx context.Context) error {
if b == nil || b.app == nil {
return nil
}
if ctx == nil {
ctx = context.Background()
}
b.app.Shutdown(ctx)
return nil
}
func (b *AppBackend) GetSavedConnections() ([]connection.SavedConnectionView, error) {
return b.app.GetSavedConnections()
}
func (b *AppBackend) GetEditableSavedConnection(id string) (connection.SavedConnectionView, error) {
return b.app.GetEditableSavedConnection(id)
}
func (b *AppBackend) DBGetDatabases(config connection.ConnectionConfig) connection.QueryResult {
return b.app.DBGetDatabases(config)
}
func (b *AppBackend) DBGetTables(config connection.ConnectionConfig, dbName string) connection.QueryResult {
return b.app.DBGetTables(config, dbName)
}
func (b *AppBackend) DBGetColumns(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
return b.app.DBGetColumns(config, dbName, tableName)
}
func (b *AppBackend) DBGetIndexes(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
return b.app.DBGetIndexes(config, dbName, tableName)
}
func (b *AppBackend) DBGetForeignKeys(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
return b.app.DBGetForeignKeys(config, dbName, tableName)
}
func (b *AppBackend) DBGetTriggers(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
return b.app.DBGetTriggers(config, dbName, tableName)
}
func (b *AppBackend) DBShowCreateTable(config connection.ConnectionConfig, dbName string, tableName string) connection.QueryResult {
return b.app.DBShowCreateTable(config, dbName, tableName)
}
func (b *AppBackend) DBQueryMulti(config connection.ConnectionConfig, dbName string, query string, queryID string) connection.QueryResult {
return b.app.DBQueryMulti(config, dbName, query, queryID)
}
func (b *AppBackend) InspectSQL(dbType string, sql string) appcore.SQLInspection {
return appcore.InspectSQL(dbType, sql)
}
func (b *AppBackend) GetSQLSafetyLevel() ai.SQLPermissionLevel {
inspection, err := aiservice.NewProviderConfigStore(appdata.MustResolveActiveRoot(), nil).Inspect()
if err != nil {
logger.Error(err, "加载 MCP SQL 安全控制失败,按只读模式回退")
return ai.PermissionReadOnly
}
switch inspection.Snapshot.SafetyLevel {
case ai.PermissionReadOnly, ai.PermissionReadWrite, ai.PermissionFull:
return inspection.Snapshot.SafetyLevel
default:
return ai.PermissionReadOnly
}
}