apskel-pos-backend/config/db.go

package config

import (
	"fmt"
	"time"
)

type Database struct {
	Host                          string `mapstructure:"host"`
	Port                          string `mapstructure:"port"`
	DB                            string `mapstructure:"db"`
	Driver                        string `mapstructure:"driver"`
	Username                      string `mapstructure:"username"`
	Password                      string `mapstructure:"password"`
	SslMode                       string `mapstructure:"ssl-mode"`
	Debug                         bool   `mapstructure:"debug"`
	MaxIdleConnectionsInSecond    int    `mapstructure:"max-idle-connections-in-second"`
	MaxOpenConnectionsInSecond    int    `mapstructure:"max-open-connections-in-second"`
	ConnectionMaxLifetimeInSecond int64  `mapstructure:"connection-max-life-time-in-second"`
}

func (c Database) DSN() string {
	return fmt.Sprintf("host=%s port=%s dbname=%s user=%s password=%s sslmode=%s TimeZone=UTC", c.Host, c.Port, c.DB, c.Username, c.Password, c.SslMode)
}

func (c Database) ConnectionMaxLifetime() time.Duration {
	return time.Duration(c.ConnectionMaxLifetimeInSecond) * time.Second
}