kevin
dc164fdf66
- 新增 mailboxes 表与 MailboxStore（系统文件夹幂等创建，自定义文件夹 CRUD） - 提取 MailboxService：IMAP 会话与 Web handler 共用，LIST 返回什么 Web 就显示什么 - IMAP 支持 CREATE/DELETE/RENAME/SUBSCRIBE（系统文件夹禁删改、非空禁删） - Web 删除改为 IMAP 语义：移入 Trash，新增恢复/彻底删除/清空 - 新增通用 /folder/:name 页面与动态侧边栏，/inbox /sent /drafts 保留兼容重定向
65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
package db
|
||
|
||
import (
|
||
"fmt"
|
||
"os"
|
||
"path/filepath"
|
||
"strings"
|
||
|
||
"mail_go/config"
|
||
|
||
"gorm.io/driver/mysql"
|
||
"gorm.io/driver/sqlite"
|
||
"gorm.io/gorm"
|
||
"gorm.io/gorm/logger"
|
||
)
|
||
|
||
// InitDB initializes the database connection and performs auto-migration.
|
||
// It selects the appropriate driver based on cfg.Driver and resolves
|
||
// the DSN path for SQLite relative to the storage base directory.
|
||
func InitDB(cfg config.DatabaseConfig, storageCfg config.StorageConfig) (*gorm.DB, error) {
|
||
var dialector gorm.Dialector
|
||
|
||
switch cfg.Driver {
|
||
case "sqlite":
|
||
dsn := cfg.DSN
|
||
// If the DSN is the default relative path, prepend the storage base directory
|
||
if dsn == config.DefaultDSNWin || dsn == config.DefaultDSNLinux {
|
||
dsn = filepath.Join(storageCfg.BaseDir, "mail.db")
|
||
}
|
||
// Ensure the parent directory exists for SQLite
|
||
dir := filepath.Dir(dsn)
|
||
if err := os.MkdirAll(dir, 0755); err != nil {
|
||
return nil, fmt.Errorf("创建数据库目录失败 %s: %w", dir, err)
|
||
}
|
||
// 多连接并发（SMTP/IMAP/POP3/Web/外发 worker/推送）下：
|
||
// - WAL 模式：读不阻塞写，消除瞬时 SQLITE_BUSY 导致写失败被吞
|
||
// - busy_timeout=5000ms：写竞争时等待而非立刻失败
|
||
// - synchronous=NORMAL：WAL 下安全且写入更快
|
||
sep := "?"
|
||
if strings.Contains(dsn, "?") {
|
||
sep = "&"
|
||
}
|
||
dsn = dsn + sep + "_busy_timeout=5000&_journal_mode=WAL&_synchronous=NORMAL"
|
||
dialector = sqlite.Open(dsn)
|
||
case "mysql":
|
||
dialector = mysql.Open(cfg.DSN)
|
||
default:
|
||
return nil, fmt.Errorf("不支持的数据库驱动: %s", cfg.Driver)
|
||
}
|
||
|
||
db, err := gorm.Open(dialector, &gorm.Config{
|
||
Logger: logger.Default.LogMode(logger.Warn),
|
||
})
|
||
if err != nil {
|
||
return nil, fmt.Errorf("连接数据库失败: %w", err)
|
||
}
|
||
|
||
// Auto-migrate all models
|
||
if err := db.AutoMigrate(&User{}, &Domain{}, &Message{}, &Attachment{}, &BanEntry{}, &OutboundMessage{}, &ProtocolLog{}, &MailboxState{}, &Mailbox{}); err != nil {
|
||
return nil, fmt.Errorf("数据库迁移失败: %w", err)
|
||
}
|
||
|
||
return db, nil
|
||
}
|