112 lines
2.7 KiB
Go

package main
import (
"context"
"fmt"
"log"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/gin-gonic/gin"
swaggerFiles "github.com/swaggo/files"
ginSwagger "github.com/swaggo/gin-swagger"
_ "github.com/timetracker/backend/docs"
"github.com/timetracker/backend/internal/api/middleware"
"github.com/timetracker/backend/internal/api/routes"
"github.com/timetracker/backend/internal/config"
"github.com/timetracker/backend/internal/models"
_ "gorm.io/driver/postgres"
)
// @title Time Tracker API
// @version 1.0
// @description This is a simple time tracker API.
// @host localhost:8080
// @BasePath /api
// @securityDefinitions.apikey BearerAuth
// @in header
// @name Authorization
// @Summary Say hello
// @Description Get a hello message
// @ID hello
// @Produce plain
// @Success 200 {string} string "Hello from the Time Tracker Backend!"
// @Router / [get]
func helloHandler(c *gin.Context) {
c.String(http.StatusOK, "Hello from the Time Tracker Backend!")
}
func main() {
cfg, err := config.LoadConfig()
if err != nil {
log.Fatalf("Failed to load config: %v", err)
}
// Initialize database
if err := models.InitDB(cfg.Database); err != nil {
log.Fatalf("Error initializing database: %v", err)
}
defer func() {
if err := models.CloseDB(); err != nil {
log.Printf("Error closing database connection: %v", err)
}
}()
// Migrate database schema
if err := models.MigrateDB(); err != nil {
log.Fatalf("Error migrating database: %v", err)
}
// Initialize JWT keys
if err := middleware.InitJWTKeys(); err != nil {
log.Fatalf("Error initializing JWT keys: %v", err)
}
// Create Gin router
r := gin.Default()
// Basic route for health check
r.GET("/api", helloHandler)
// Setup API routes
routes.SetupRouter(r, cfg)
// Swagger documentation
r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
// Create a server with graceful shutdown
srv := &http.Server{
Addr: ":8080",
Handler: r,
}
// Start server in a goroutine
go func() {
fmt.Println("Server listening on port 8080")
if err := srv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
log.Fatalf("Error starting server: %v", err)
}
}()
// Wait for interrupt signal to gracefully shut down the server
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
<-quit
log.Println("Shutting down server...")
// Create a deadline for server shutdown
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
// Shutdown the server
if err := srv.Shutdown(ctx); err != nil {
log.Fatalf("Server forced to shutdown: %v", err)
}
log.Println("Server exited properly")
}