85 lines
1.9 KiB
Go
85 lines
1.9 KiB
Go
package store
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"opencatd-open/pkg/config"
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_ "github.com/lib/pq"
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"github.com/ncruces/go-sqlite3/gormlite"
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"gorm.io/driver/mysql"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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)
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var DB *gorm.DB
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func InitDB(cfg *config.Config) (*gorm.DB, error) {
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var (
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dialector gorm.Dialector
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err error
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)
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switch cfg.DB_Type {
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case "sqlite":
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dialector, err = sqliteDialector(cfg.DSN)
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if err != nil {
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return nil, err
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}
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case "postgres":
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dialector = postgresDialector(cfg.DSN)
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case "mysql":
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dialector = mysqlDialector(cfg.DSN)
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default:
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return nil, fmt.Errorf("unsupported database type: %s", cfg.DB_Type)
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}
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db, err := gorm.Open(dialector, &gorm.Config{})
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if err != nil {
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return nil, fmt.Errorf("failed to connect 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 underlying *sql.DB: %w", err)
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}
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sqlDB.SetMaxOpenConns(cfg.DBMaxOpenConns)
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sqlDB.SetMaxIdleConns(cfg.DBMaxIdleConns)
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if err := db.AutoMigrate(AllModels()...); err != nil {
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log.Printf("AutoMigrate warning: %v", err)
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}
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DB = db
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return db, nil
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}
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func sqliteDialector(dsn string) (gorm.Dialector, error) {
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if dsn == "" {
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dsn = "db/openteam.db"
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}
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// sqlite 不会自动创建上级目录，先确保它存在（与 docker-compose 挂载的 /app/db 对应）
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if dir := filepath.Dir(dsn); dir != "." && dir != string(filepath.Separator) {
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if err := os.MkdirAll(dir, 0o755); err != nil {
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return nil, fmt.Errorf("failed to create database directory %s: %w", dir, err)
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}
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}
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return gormlite.Open(dsn), nil
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}
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func postgresDialector(dsn string) gorm.Dialector {
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if dsn == "" {
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dsn = "host=localhost user=postgres password=postgres dbname=opencatd port=5432 sslmode=disable"
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}
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return postgres.Open(dsn)
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}
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func mysqlDialector(dsn string) gorm.Dialector {
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if dsn == "" {
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dsn = "root:password@tcp(127.0.0.1:3306)/opencatd?charset=utf8mb4&parseTime=True&loc=Local"
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}
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return mysql.Open(dsn)
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}
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