249ba3d4aa
- 优化并发性能（WAL 模式），解决 "database is locked" 错误 - Docker 跨平台支持 `host.docker.internal` 访问宿主机服务 - 精简文档和部署指南
98 lines
2.1 KiB
Go
98 lines
2.1 KiB
Go
package database
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import (
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"fmt"
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"os"
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"path/filepath"
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"time"
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"github.com/drama-generator/backend/domain/models"
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"github.com/drama-generator/backend/pkg/config"
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"gorm.io/driver/mysql"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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_ "modernc.org/sqlite"
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)
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func NewDatabase(cfg config.DatabaseConfig) (*gorm.DB, error) {
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dsn := cfg.DSN()
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if cfg.Type == "sqlite" {
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dbDir := filepath.Dir(dsn)
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if err := os.MkdirAll(dbDir, 0755); err != nil {
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return nil, fmt.Errorf("failed to create database directory: %w", err)
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}
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}
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gormConfig := &gorm.Config{
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Logger: NewCustomLogger(),
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}
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var db *gorm.DB
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var err error
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if cfg.Type == "sqlite" {
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// 使用 modernc.org/sqlite 纯 Go 驱动（无需 CGO）
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// 添加并发优化参数：WAL 模式、busy_timeout、cache
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dsnWithParams := dsn + "?_journal_mode=WAL&_busy_timeout=5000&_synchronous=NORMAL&cache=shared"
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db, err = gorm.Open(sqlite.Dialector{
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DriverName: "sqlite",
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DSN: dsnWithParams,
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}, gormConfig)
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} else {
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db, err = gorm.Open(mysql.Open(dsn), gormConfig)
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}
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if err != nil {
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return nil, fmt.Errorf("failed to connect to database: %w", err)
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}
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sqlDB, err := db.DB()
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if err != nil {
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return nil, fmt.Errorf("failed to get database instance: %w", err)
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}
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// SQLite 连接池配置（限制并发连接数）
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if cfg.Type == "sqlite" {
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sqlDB.SetMaxIdleConns(1)
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sqlDB.SetMaxOpenConns(1) // SQLite 单写入，限制为 1
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} else {
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sqlDB.SetMaxIdleConns(cfg.MaxIdle)
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sqlDB.SetMaxOpenConns(cfg.MaxOpen)
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}
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sqlDB.SetConnMaxLifetime(time.Hour)
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if err := sqlDB.Ping(); err != nil {
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return nil, fmt.Errorf("failed to ping database: %w", err)
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}
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return db, nil
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}
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func AutoMigrate(db *gorm.DB) error {
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return db.AutoMigrate(
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// 核心模型
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&models.Drama{},
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&models.Episode{},
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&models.Character{},
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&models.Scene{},
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&models.Storyboard{},
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// 生成相关
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&models.ImageGeneration{},
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&models.VideoGeneration{},
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&models.VideoMerge{},
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// AI配置
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&models.AIServiceConfig{},
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&models.AIServiceProvider{},
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// 资源管理
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&models.Asset{},
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&models.CharacterLibrary{},
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// 任务管理
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&models.AsyncTask{},
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)
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}
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