83 lines
2 KiB
Go
83 lines
2 KiB
Go
package db
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import (
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"database/sql"
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"fmt"
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"voidwalker/configs"
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"voidwalker/migration"
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_ "github.com/go-sql-driver/mysql" // import mysql
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"github.com/lbryio/lbry.go/v2/extras/errors"
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migrate "github.com/rubenv/sql-migrate"
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log "github.com/sirupsen/logrus"
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"github.com/volatiletech/sqlboiler/boil"
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)
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// Init initializes a database connection based on the dsn provided. It also sets it as the global db connection.
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func Init(debug bool) (*QueryLogger, error) {
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conf := configs.Configuration
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dbConn, err := sql.Open("mysql", fmt.Sprintf(
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"%s:%s@tcp(%s:3306)/%s?parseTime=1&collation=utf8mb4_unicode_ci",
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conf.Voidwalker.User,
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conf.Voidwalker.Password,
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conf.Voidwalker.Host,
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conf.Voidwalker.Database,
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))
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if err != nil {
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return nil, errors.Err(err)
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}
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err = dbConn.Ping()
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if err != nil {
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return nil, errors.Err(err)
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}
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logWrapper := &QueryLogger{DB: dbConn}
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if debug {
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boil.DebugMode = true
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}
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boil.SetDB(dbConn)
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migrations := &migrate.AssetMigrationSource{
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Asset: migration.Asset,
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AssetDir: migration.AssetDir,
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Dir: "migration",
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}
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n, migrationErr := migrate.Exec(dbConn, "mysql", migrations, migrate.Up)
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if migrationErr != nil {
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return nil, errors.Err(migrationErr)
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}
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log.Printf("Applied %d migrations", n)
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return logWrapper, nil
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}
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func dbInitConnection(dsn string, driverName string, debug bool) (*sql.DB, *QueryLogger, error) {
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dsn += "?parseTime=1&collation=utf8mb4_unicode_ci"
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dbConn, err := sql.Open(driverName, dsn)
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if err != nil {
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return nil, nil, errors.Err(err)
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}
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err = dbConn.Ping()
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if err != nil {
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return nil, nil, errors.Err(err)
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}
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logWrapper := &QueryLogger{DB: dbConn}
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if debug {
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logWrapper.Logger = log.StandardLogger()
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//boil.DebugMode = true // this just prints everything twice
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}
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return dbConn, logWrapper, nil
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}
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// CloseDB is a wrapper function to allow error handle when it is usually deferred.
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func CloseDB(db *QueryLogger) {
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if err := db.Close(); err != nil {
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log.Error("Closing DB Error: ", err)
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}
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}
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