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62 lines
1.9 KiB
62 lines
1.9 KiB
package data
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import (
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"bkb-payment/internal/conf"
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"github.com/go-kratos/kratos/v2/log"
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"github.com/go-redis/redis"
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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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)
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// ProviderSet is data providers.
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var ProviderSet = wire.NewSet(NewData, NewGreeterRepo, NewDb, NewsRedis)
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type Data struct {
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db *gorm.DB
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rdb *redis.Client
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}
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func NewDb(conf *conf.Data_Database, logger log.Logger) *gorm.DB {
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db, err := gorm.Open(mysql.New(mysql.Config{
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DSN: conf.Source, // DSN data source name
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DefaultStringSize: 256, // string 类型字段的默认长度
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DisableDatetimePrecision: true, // 禁用 datetime 精度，MySQL 5.6 之前的数据库不支持
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DontSupportRenameIndex: true, // 重命名索引时采用删除并新建的方式，MySQL 5.7 之前的数据库和 MariaDB 不支持重命名索引
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DontSupportRenameColumn: true, // 用 `change` 重命名列，MySQL 8 之前的数据库和 MariaDB 不支持重命名列
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SkipInitializeWithVersion: false, // 根据当前 MySQL 版本自动配置
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}), &gorm.Config{})
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if err != nil {
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log.NewHelper(logger).Fatalf("failed opening connection to db: %v", err)
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}
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db0, _ := db.DB()
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db0.SetMaxIdleConns(50) //数据库的空闲连接
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db0.SetMaxOpenConns(1000) //最大打开连接，即向Mysql服务端发出的所有连接的最大数目
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return db
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}
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// NewData .
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func NewData(c *conf.Data, logger log.Logger) (*Data, func(), error) {
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db := NewDb(c.Database, logger)
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rdb := NewsRedis(c.Redis, logger)
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cleanup := func() {
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log.NewHelper(logger).Info("closing the data resources")
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sqldb, _ := db.DB()
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sqldb.Close()
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rdb.Close()
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}
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_ = autoMigrate(db)
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return &Data{
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db: db,
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rdb: rdb,
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}, cleanup, nil
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}
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func NewsRedis(c *conf.Data_Redis, logger log.Logger) *redis.Client {
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return redis.NewClient(&redis.Options{
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Addr: c.Addr,
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Password: c.Password,
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DB: int(c.Db),
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})
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}
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