79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package mysql
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import (
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"database/sql"
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"fmt"
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_ "github.com/go-sql-driver/mysql"
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"github.com/mitchellh/mapstructure"
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"matrix-middle-service/pkg/config"
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"matrix-middle-service/pkg/database"
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"matrix-middle-service/pkg/database/driver/mysql/conf"
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"matrix-middle-service/pkg/logger"
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fib "matrix-middle-service/pkg/utils/fiber"
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"strings"
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"xorm.io/xorm"
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)
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var dbEngine *xorm.EngineGroup
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var dbInst *db
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func init() {
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// 初始化数据源
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fib.Exec(func() {
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logger.Log().Debug("添加 mysql 数据源支持")
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})
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database.Register("mysql", func(c config.DataSourcesType[any]) database.DataBase {
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mc := &conf.Config{}
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_ = mapstructure.Decode(c.Config, &mc)
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if dbEngine != nil {
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_ = dbEngine.Close()
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}
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logger.Log().Debug("[mysql] 数据源初始化")
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var err error
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dbEngine, err = xorm.NewEngineGroup("mysql", mc.DataSources)
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if err != nil {
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logger.Log().Fatal(err)
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}
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dbInst = &db{
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db: dbEngine,
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config: mc,
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}
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return dbInst
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})
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}
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type db struct {
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db *xorm.EngineGroup
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config *conf.Config
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}
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func (d *db) Close() error {
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logger.Log().Debug("[mysql] 关闭数据库连接")
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return d.db.Close()
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}
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func (d *db) Open() (err error) {
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logger.Log().Debug("[mysql] 连接数据库")
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// 自动创建数据库
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for _, dsn := range d.config.DataSources {
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dbName := ParseSqlConnDBName(dsn)
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conn, err := sql.Open("mysql", strings.Split(dsn, "/")[0]+"/information_schema?charset=utf8mb4")
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_, err = conn.Query(fmt.Sprintf("Create Database If Not Exists %s Character Set utf8mb4;", dbName))
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if err != nil {
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logger.Log().Fatal(err)
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}
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}
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err = d.db.Ping()
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if err != nil {
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logger.Log().Fatalf("[mysql] 数据库连接失败, %s", err)
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}
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logger.Log().Debug("[mysql] 数据库连接成功")
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return
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}
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