first commit

cmd/api/main.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"net/http"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"api-service/internal/server"
+
+	"github.com/joho/godotenv" // Import the godotenv package
+
+	_ "api-service/docs"
+)
+
+// @title API Service
+// @version 1.0.0
+// @description A comprehensive Go API service with Swagger documentation
+// @termsOfService http://swagger.io/terms/
+
+// @contact.name API Support
+// @contact.url http://www.swagger.io/support
+// @contact.email support@swagger.io
+
+// @license.name Apache 2.0
+// @license.url http://www.apache.org/licenses/LICENSE-2.0.html
+
+// @host localhost:8080
+// @BasePath /api/v1
+// @schemes http https
+
+func gracefulShutdown(apiServer *http.Server, done chan bool) {
+	// Create context that listens for the interrupt signal from the OS.
+	ctx, stop := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
+	defer stop()
+
+	// Listen for the interrupt signal.
+	<-ctx.Done()
+
+	log.Println("shutting down gracefully, press Ctrl+C again to force")
+	stop() // Allow Ctrl+C to force shutdown
+
+	// The context is used to inform the server it has 5 seconds to finish
+	// the request it is currently handling
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	if err := apiServer.Shutdown(ctx); err != nil {
+		log.Printf("Server forced to shutdown with error: %v", err)
+	}
+
+	log.Println("Server exiting")
+
+	// Notify the main goroutine that the shutdown is complete
+	done <- true
+}
+
+func main() {
+	log.Println("Starting API Service...")
+
+	// Load environment variables from .env file
+	if err := godotenv.Load(); err != nil {
+		log.Printf("Warning: .env file not found or could not be loaded: %v", err)
+		log.Println("Continuing with system environment variables...")
+	}
+
+	server := server.NewServer()
+
+	// Create a done channel to signal when the shutdown is complete
+	done := make(chan bool, 1)
+
+	// Run graceful shutdown in a separate goroutine
+	go gracefulShutdown(server, done)
+
+	log.Printf("Server starting on port %s", server.Addr)
+	err := server.ListenAndServe()
+	if err != nil && err != http.ErrServerClosed {
+		panic(fmt.Sprintf("http server error: %s", err))
+	}
+
+	// Wait for the graceful shutdown to complete
+	<-done
+	log.Println("Graceful shutdown complete.")
+}

cmd/logging/main.go

@@ -0,0 +1,109 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"time"
+
+	"api-service/pkg/logger"
+)
+
+func main() {
+	fmt.Println("Testing Dynamic Logging Functions...")
+	fmt.Println("====================================")
+
+	// Test fungsi penyimpanan log dinamis
+	testDynamicLogging()
+
+	// Tunggu sebentar untuk memastikan goroutine selesai
+	time.Sleep(500 * time.Millisecond)
+
+	fmt.Println("\n====================================")
+	fmt.Println("Dynamic logging test completed!")
+	fmt.Println("Check the log files in pkg/logger/data/ directory")
+}
+
+func testDynamicLogging() {
+	// Buat logger instance
+	loggerInstance := logger.New("test-app", logger.DEBUG, false)
+
+	// Test 1: Log dengan penyimpanan otomatis
+	fmt.Println("\n1. Testing automatic log saving...")
+	loggerInstance.LogAndSave(logger.INFO, "Application started successfully", map[string]interface{}{
+		"version":     "1.0.0",
+		"build_date":  time.Now().Format("2006-01-02"),
+		"environment": "development",
+	})
+
+	// Test 2: Log dengan request context
+	fmt.Println("\n2. Testing log with request context...")
+	requestLogger := loggerInstance.WithRequestID("req-001").WithCorrelationID("corr-001")
+	requestLogger.LogAndSave(logger.INFO, "User login attempt", map[string]interface{}{
+		"username": "john_doe",
+		"ip":       "192.168.1.100",
+		"success":  true,
+	})
+
+	// Test 3: Error logging
+	fmt.Println("\n3. Testing error logging...")
+	loggerInstance.LogAndSave(logger.ERROR, "Database connection failed", map[string]interface{}{
+		"error":       "connection timeout",
+		"retry_count": 3,
+		"host":        "db.example.com:5432",
+	})
+
+	// Test 4: Manual log entry saving
+	fmt.Println("\n4. Testing manual log entry saving...")
+	manualEntry := logger.LogEntry{
+		Timestamp:     time.Now().Format(time.RFC3339),
+		Level:         "DEBUG",
+		Service:       "manual-test",
+		Message:       "Manual log entry created",
+		RequestID:     "manual-req-001",
+		CorrelationID: "manual-corr-001",
+		File:          "main.go",
+		Line:          42,
+		Fields: map[string]interface{}{
+			"custom_field": "test_value",
+			"number":       123,
+			"active":       true,
+		},
+	}
+
+	// Simpan manual ke berbagai format
+	if err := logger.SaveLogText(manualEntry); err != nil {
+		log.Printf("Error saving text log: %v", err)
+	} else {
+		fmt.Println("✓ Text log saved successfully")
+	}
+
+	if err := logger.SaveLogJSON(manualEntry); err != nil {
+		log.Printf("Error saving JSON log: %v", err)
+	} else {
+		fmt.Println("✓ JSON log saved successfully")
+	}
+
+	if err := logger.SaveLogToDatabase(manualEntry); err != nil {
+		log.Printf("Error saving database log: %v", err)
+	} else {
+		fmt.Println("✓ Database log saved successfully")
+	}
+
+	// Test 5: Performance logging dengan durasi
+	fmt.Println("\n5. Testing performance logging...")
+	start := time.Now()
+
+	// Simulasi proses yang memakan waktu
+	time.Sleep(200 * time.Millisecond)
+
+	duration := time.Since(start)
+	loggerInstance.LogAndSave(logger.INFO, "Data processing completed", map[string]interface{}{
+		"operation":   "data_import",
+		"duration":    duration.String(),
+		"duration_ms": duration.Milliseconds(),
+		"records":     1000,
+		"throughput":  fmt.Sprintf("%.2f records/ms", 1000/float64(duration.Milliseconds())),
+	})
+
+	fmt.Println("\n✓ All logging tests completed successfully!")
+}