64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
/*
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Copyright 2020, 2021 Jan Dittberner
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package services
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import (
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"context"
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"time"
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_ "github.com/go-sql-driver/mysql"
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"github.com/jmoiron/sqlx"
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)
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type dbContextKey int
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const (
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ctxDbConnection dbContextKey = iota
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)
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type DatabaseParams struct {
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ConnMaxLifeTime time.Duration
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DSN string
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MaxOpenConnections int
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MaxIdleConnections int
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}
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func NewDatabaseParams(dsn string) *DatabaseParams {
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return &DatabaseParams{
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DSN: dsn,
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ConnMaxLifeTime: time.Minute * 3,
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MaxOpenConnections: 10,
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MaxIdleConnections: 10,
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}
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}
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func InitDatabase(ctx context.Context, params *DatabaseParams) (context.Context, error) {
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db, err := sqlx.Connect("mysql", params.DSN)
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if err != nil {
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return nil, err
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}
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db.SetConnMaxLifetime(params.ConnMaxLifeTime)
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db.SetMaxOpenConns(params.MaxOpenConnections)
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db.SetMaxIdleConns(params.MaxIdleConnections)
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return context.WithValue(ctx, ctxDbConnection, db), nil
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}
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func GetDb(ctx context.Context) *sqlx.DB {
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return ctx.Value(ctxDbConnection).(*sqlx.DB)
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}
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