init project

internal/database/database.go

@@ -2,7 +2,6 @@ package database
 
 import (
 	"context"
-	"database/sql"
 	"fmt"
 	"log"
 	"os"
@@ -11,31 +10,27 @@ import (
 
 	_ "github.com/jackc/pgx/v5/stdlib"
 	_ "github.com/joho/godotenv/autoload"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
 )
 
-// Service represents a service that interacts with a database.
 type Service interface {
-	// Health returns a map of health status information.
-	// The keys and values in the map are service-specific.
 	Health() map[string]string
-
-	// Close terminates the database connection.
-	// It returns an error if the connection cannot be closed.
 	Close() error
+	GetDB() *gorm.DB
 }
 
 type service struct {
-	db *sql.DB
+	db *gorm.DB
 }
 
 var (
-	database   = os.Getenv("BLUEPRINT_DB_DATABASE")
-	password   = os.Getenv("BLUEPRINT_DB_PASSWORD")
-	username   = os.Getenv("BLUEPRINT_DB_USERNAME")
-	port       = os.Getenv("BLUEPRINT_DB_PORT")
-	host       = os.Getenv("BLUEPRINT_DB_HOST")
-	schema     = os.Getenv("BLUEPRINT_DB_SCHEMA")
-	dbInstance *service
+	hostSimrs     = os.Getenv("POSTGRE_DB_HOST")
+	userNameSimrs = os.Getenv("POSTGRE_DB_USER")
+	passwordSimrs = os.Getenv("POSTGRE_DB_PASS")
+	dbNameSimrs   = os.Getenv("POSTGRE_DB_NAME")
+	portSimrs     = os.Getenv("POSTGRE_DB_PORT")
+	dbInstance    *service
 )
 
 func New() Service {
@@ -43,13 +38,16 @@ func New() Service {
 	if dbInstance != nil {
 		return dbInstance
 	}
-	connStr := fmt.Sprintf("postgres://%s:%s@%s:%s/%s?sslmode=disable&search_path=%s", username, password, host, port, database, schema)
-	db, err := sql.Open("pgx", connStr)
+	simrs := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=disable TimeZone=Asia/Jakarta", hostSimrs, userNameSimrs, passwordSimrs, dbNameSimrs, portSimrs)
+
+	SimrsDB, err := gorm.Open(postgres.Open(simrs), &gorm.Config{})
 	if err != nil {
-		log.Fatal(err)
+		log.Fatal("Failed to connect to SIM database: ", err)
+	} else {
+		log.Println("Successfully connected to the database")
 	}
 	dbInstance = &service{
-		db: db,
+		db: SimrsDB,
 	}
 	return dbInstance
 }
@@ -57,17 +55,25 @@ func New() Service {
 // Health checks the health of the database connection by pinging the database.
 // It returns a map with keys indicating various health statistics.
 func (s *service) Health() map[string]string {
-	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 	defer cancel()
 
 	stats := make(map[string]string)
 
-	// Ping the database
-	err := s.db.PingContext(ctx)
+	// Ping the database using GORM
+	db, err := s.db.DB() // Retrieve the underlying sql.DB instance from GORM
+	if err != nil {
+		stats["status"] = "down"
+		stats["error"] = fmt.Sprintf("failed to get sql.DB from GORM: %v", err)
+		log.Fatalf("failed to get sql.DB from GORM: %v", err) // Log the error and terminate the program
+		return stats
+	}
+
+	err = db.PingContext(ctx)
 	if err != nil {
 		stats["status"] = "down"
 		stats["error"] = fmt.Sprintf("db down: %v", err)
-		log.Fatalf(fmt.Sprintf("db down: %v", err)) // Log the error and terminate the program
+		log.Fatalf("db down: %v", err) // Log the error and terminate the program
 		return stats
 	}
 
@@ -75,8 +81,8 @@ func (s *service) Health() map[string]string {
 	stats["status"] = "up"
 	stats["message"] = "It's healthy"
 
-	// Get database stats (like open connections, in use, idle, etc.)
-	dbStats := s.db.Stats()
+	// Get database stats
+	dbStats := db.Stats()
 	stats["open_connections"] = strconv.Itoa(dbStats.OpenConnections)
 	stats["in_use"] = strconv.Itoa(dbStats.InUse)
 	stats["idle"] = strconv.Itoa(dbStats.Idle)
@@ -110,6 +116,22 @@ func (s *service) Health() map[string]string {
 // If the connection is successfully closed, it returns nil.
 // If an error occurs while closing the connection, it returns the error.
 func (s *service) Close() error {
-	log.Printf("Disconnected from database: %s", database)
-	return s.db.Close()
+	db, err := s.db.DB() // Retrieve the underlying sql.DB instance from GORM
+	if err != nil {
+		log.Printf("Failed to retrieve sql.DB from GORM: %v", err)
+		return err
+	}
+
+	err = db.Close()
+	if err != nil {
+		log.Printf("Error closing the database connection: %v", err)
+		return err
+	}
+
+	log.Printf("Disconnected from database successfully")
+	return nil
+}
+
+func (s *service) GetDB() *gorm.DB {
+	return s.db
 }