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new.go
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new.go
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// SPDX-License-Identifier: AGPL-3.0-only
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, version 3.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>
package dal
import (
"database/sql"
"log"
"os"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/uber-go/tally/v4"
"gorm.io/driver/mysql"
"gorm.io/gorm"
gormLogger "gorm.io/gorm/logger"
"github.com/bangumi/server/internal/config"
"github.com/bangumi/server/internal/errgo"
"github.com/bangumi/server/internal/logger"
)
const slowQueryTimeout = time.Millisecond * 200
func NewDB(
conn *sql.DB, c config.AppConfig, scope tally.Scope, register prometheus.Registerer,
) (*gorm.DB, error) {
var gLog gormLogger.Interface
if c.Debug["gorm"] {
logger.Info("enable gorm debug mode, will log all sql")
gLog = gormLogger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags),
gormLogger.Config{
LogLevel: gormLogger.Info,
IgnoreRecordNotFoundError: true,
Colorful: true,
},
)
} else {
gLog = gormLogger.New(
logger.Std(),
gormLogger.Config{
SlowThreshold: slowQueryTimeout,
LogLevel: gormLogger.Warn,
IgnoreRecordNotFoundError: true,
Colorful: false,
},
)
}
db, err := gorm.Open(mysql.New(mysql.Config{Conn: conn,
DisableDatetimePrecision: true,
}), &gorm.Config{
Logger: gLog,
QueryFields: true,
PrepareStmt: true,
})
if err != nil {
return nil, errgo.Wrap(err, "create dal")
}
if err = setupMetrics(db, conn, scope, register); err != nil {
return nil, errgo.Wrap(err, "setup metrics")
}
if c.Debug["gorm"] {
return db.Debug(), errgo.Wrap(err, "init gorm")
}
return db, errgo.Wrap(err, "init gorm")
}