Files
ai-agent/internal/bootstrap/db.go
T
t 18c9354095 refactor: 将客服后端重构为宿主可嵌入模块
- 注入数据库、运行时配置、统一响应、文件存储和平台 AI 能力,补充业务读写工具与客户快捷操作契约。

- 移除模块内重复的组织、客户、工单、标签、技能、旧工作流、MCP 和迁移实现,将身份权限与业务主体交由宿主管理。

- 使用 libSQL 重构向量存储,并完善图片消息、访客身份、排队调度、企业微信和支持聊天页面。

- 统一 HTTP、DTO 与 WebSocket 的 snake_case 协议,补齐模块初始化、业务动作和公共载荷等回归测试。
2026-08-28 22:23:13 +08:00

103 lines
2.5 KiB
Go

package bootstrap
import (
"fmt"
"log"
"os"
"strings"
"time"
"code.tczkiot.com/wlw/ai-agent/internal/pkg/config"
"github.com/mlogclub/simple/sqls"
"gorm.io/driver/postgres"
"gorm.io/gorm"
// "gorm.io/gorm/logger"
"gorm.io/gorm/logger"
"gorm.io/gorm/schema"
)
func InitDB(cfg config.DBConfig) (*gorm.DB, error) {
dialector, err := newDialector(cfg)
if err != nil {
return nil, err
}
db, err := gorm.Open(dialector, &gorm.Config{
Logger: logger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags),
logger.Config{
SlowThreshold: time.Second,
LogLevel: logger.Warn,
IgnoreRecordNotFoundError: true,
Colorful: true,
},
),
NamingStrategy: schema.NamingStrategy{
TablePrefix: "t_",
SingularTable: true,
},
})
if err != nil {
return nil, err
}
sqlDB, err := db.DB()
if err != nil {
return nil, err
}
if cfg.MaxIdleConns > 0 {
sqlDB.SetMaxIdleConns(cfg.MaxIdleConns)
}
if cfg.MaxOpenConns > 0 {
sqlDB.SetMaxOpenConns(cfg.MaxOpenConns)
}
if cfg.ConnMaxIdleTimeSeconds > 0 {
sqlDB.SetConnMaxIdleTime(time.Duration(cfg.ConnMaxIdleTimeSeconds) * time.Second)
}
if cfg.ConnMaxLifetimeSeconds > 0 {
sqlDB.SetConnMaxLifetime(time.Duration(cfg.ConnMaxLifetimeSeconds) * time.Second)
}
sqls.SetDB(db)
return db, nil
}
// UseDatabase scopes the host application's connection to AI Agent tables.
// The connection pool is shared, while the naming strategy is copied so the
// host database naming rules remain untouched.
func UseDatabase(database *gorm.DB, tablePrefix string) error {
moduleDB, err := ScopedDatabase(database, tablePrefix)
if err != nil {
return err
}
sqls.SetDB(moduleDB)
return nil
}
// ScopedDatabase shares the host connection pool while applying the AI Agent
// table prefix to an isolated GORM session.
func ScopedDatabase(database *gorm.DB, tablePrefix string) (*gorm.DB, error) {
if database == nil {
return nil, fmt.Errorf("database is required")
}
moduleDB := database.Session(&gorm.Session{NewDB: true})
moduleConfig := *moduleDB.Config
moduleConfig.NamingStrategy = schema.NamingStrategy{
TablePrefix: tablePrefix,
SingularTable: true,
}
moduleDB.Config = &moduleConfig
return moduleDB, nil
}
func newDialector(cfg config.DBConfig) (gorm.Dialector, error) {
switch strings.ToLower(strings.TrimSpace(cfg.Type)) {
case "postgres", "postgresql":
return postgres.Open(cfg.DSN), nil
default:
return nil, fmt.Errorf("unsupported db type %q: only postgres is supported", cfg.Type)
}
}