63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
package db
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import (
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"fmt"
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"gpt-load/internal/models"
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"log"
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"os"
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"time"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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var DB *gorm.DB
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func InitDB() (*gorm.DB, error) {
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// TODO: 从配置中心读取DSN
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dsn := "root:1236@tcp(127.0.0.1:3306)/gpt_load?charset=utf8mb4&parseTime=True&loc=Local"
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newLogger := logger.New(
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log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
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logger.Config{
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SlowThreshold: time.Second, // Slow SQL threshold
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LogLevel: logger.Info, // Log level
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IgnoreRecordNotFoundError: true, // Ignore ErrRecordNotFound error for logger
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Colorful: true, // Disable color
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},
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)
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var err error
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DB, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
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Logger: newLogger,
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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 sql.DB: %w", err)
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}
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// Set connection pool parameters
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sqlDB.SetMaxIdleConns(10)
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sqlDB.SetMaxOpenConns(100)
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sqlDB.SetConnMaxLifetime(time.Hour)
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// Auto-migrate models
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err = DB.AutoMigrate(
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&models.SystemSetting{},
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&models.Group{},
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&models.APIKey{},
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&models.RequestLog{},
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)
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if err != nil {
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return nil, fmt.Errorf("failed to auto-migrate database: %w", err)
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}
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fmt.Println("Database connection initialized and models migrated.")
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return DB, nil
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}
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