/
db.go
139 lines (121 loc) · 3.28 KB
/
db.go
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package postgres
import (
"database/sql"
"fmt"
"github.com/hendrorahmat/golang-clean-architecture/src/infrastructure/config"
"github.com/hendrorahmat/golang-clean-architecture/src/infrastructure/utils"
"github.com/sirupsen/logrus"
"gorm.io/driver/postgres"
"gorm.io/gorm"
gormLog "gorm.io/gorm/logger"
schema2 "gorm.io/gorm/schema"
"os"
"strconv"
"time"
)
type connectionPostgresDB struct {
database *gorm.DB
sqlDb *sql.DB
dsn string
}
func (p *connectionPostgresDB) GetDsn() string {
return p.dsn
}
type IPostgresDB interface {
SqlDB() *sql.DB
DB() *gorm.DB
GetDsn() string
}
func NewPostgresDB() *connectionPostgresDB {
return &connectionPostgresDB{}
}
func (p *connectionPostgresDB) NewConnection(config config.DatabaseConfig, log *logrus.Logger) IPostgresDB {
logger := log
logger.Info(fmt.Sprintf("Creating Connection %s ...", config.ConnectionName))
//dsn := fmt.Sprintf(
// "host=%s user=%s password=%s dbname=%s port=%s sslmode=disable",
// config.Host,
// config.Username,
// config.Password,
// config.Name,
// config.Port,
//)
if config.Password == "" {
//dsn = fmt.Sprintf(
// "host=%s user=%s dbname=%s port=%s sslmode=disable",
// config.Host,
// config.Username,
// config.Name,
// config.Port,
//)
}
dBMaxOpenConn, err := strconv.Atoi(os.Getenv("DB_MAX_OPEN_CONN"))
if err == nil {
config.MaxOpenConn = dBMaxOpenConn
} else {
config.MaxOpenConn = 100
}
dBMaxIdleConn, err := strconv.Atoi(os.Getenv("DB_MAX_IDLE_CONN"))
if err == nil {
config.MaxIdleConn = dBMaxIdleConn
} else {
config.MaxIdleConn = 10
}
dBMaxIdleTimeConnSeconds, err := strconv.Atoi(os.Getenv("DB_MAX_IDLE_TIME_CONN_SECONDS"))
if err == nil {
config.MaxIdleTimeConnSeconds = int64(dBMaxIdleTimeConnSeconds)
}
dBMaxLifeTimeConnSeconds, err := strconv.Atoi(os.Getenv("DB_MAX_LIFE_TIME_CONN_SECONDS"))
if err == nil {
config.MaxLifeTimeConnSeconds = int64(dBMaxLifeTimeConnSeconds)
} else {
config.MaxLifeTimeConnSeconds = time.Hour.Milliseconds()
}
schemaDb := utils.GetEnvWithDefaultValue("DB_SCHEMA", "public")
namingStrategy := schema2.NamingStrategy{
TablePrefix: schemaDb + ".",
SingularTable: false,
}
p.dsn = fmt.Sprintf(
"postgres://%s@%s:%s/%s?sslmode=disable&search_path=%s",
config.Username,
config.Host,
config.Port,
config.Name,
config.Schema,
)
db, err := gorm.Open(postgres.New(postgres.Config{
DSN: p.dsn,
}), &gorm.Config{
Logger: gormLog.Default.LogMode(gormLog.Warn),
NamingStrategy: namingStrategy,
})
logger.Info("Connecting to Postgres database...")
if err != nil {
logger.Fatalf("connect database err: %s", err)
panic("Failed to connect to database!")
}
sqlDB, err := db.DB()
sqlDB.SetMaxIdleConns(config.MaxIdleConn)
sqlDB.SetConnMaxLifetime(time.Duration(config.MaxLifeTimeConnSeconds))
sqlDB.SetConnMaxIdleTime(time.Duration(config.MaxIdleTimeConnSeconds))
sqlDB.SetMaxOpenConns(config.MaxOpenConn)
if err != nil {
logger.Fatalf("database err: %s", err)
panic("database Error!")
}
logger.Info(fmt.Sprintf("Database %s Connected Successfully!", config.Name))
err = sqlDB.Ping()
if err != nil {
return nil
}
p.sqlDb = sqlDB
p.database = db
return p
}
func (p *connectionPostgresDB) SqlDB() *sql.DB {
return p.sqlDb
}
func (p *connectionPostgresDB) DB() *gorm.DB {
return p.database
}