48 lines
939 B
Go
48 lines
939 B
Go
package data
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import (
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"fmt"
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"kra/internal/conf"
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"kra/internal/data/query"
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_ "github.com/go-sql-driver/mysql"
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"github.com/google/wire"
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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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// ProviderSet is data providers.
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var ProviderSet = wire.NewSet(NewDB, NewData)
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// Data 数据层
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type Data struct {
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DB *gorm.DB
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}
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// NewDB 创建数据库连接
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func NewDB(c *conf.Mysql) (*gorm.DB, error) {
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?%s",
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c.Username, c.Password, c.Path, c.Port, c.DbName, c.Config)
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db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
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Logger: logger.Default.LogMode(logger.Info),
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})
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if err != nil {
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return nil, err
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}
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// 初始化 gen query
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query.SetDefault(db)
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return db, nil
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}
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// NewData 创建 Data 实例
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func NewData(db *gorm.DB) (*Data, func(), error) {
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cleanup := func() {
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sqlDB, _ := db.DB()
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if sqlDB != nil {
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sqlDB.Close()
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}
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}
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return &Data{DB: db}, cleanup, nil
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}
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