experiment: successfully implemented dependency injections for controllers and services

backend/cmd/main.go

@@ -1,27 +1,31 @@
-	// @title           Easywish client API
-	// @version         1.0
-	// @description     Easy and feature-rich wishlist.
-	// @license.name  	GPL 3.0
+// @title           Easywish client API
+// @version         1.0
+// @description     Easy and feature-rich wishlist.
+// @license.name  	GPL 3.0
 
-	// @BasePath  			/api/
-	// @Schemes					http
+// @BasePath  			/api/
+// @Schemes					http
 
-	// @securityDefinitions.apikey JWT
-	// @in header
-	// @name Authorization
+// @securityDefinitions.apikey JWT
+// @in header
+// @name Authorization
 
 package main
 
 import (
+	"time"
+	"net/http"
+	"context"
 	"github.com/gin-gonic/gin"
+	"go.uber.org/fx"
 
 	"easywish/config"
+	"easywish/internal/controllers"
 	"easywish/internal/logger"
 	"easywish/internal/routes"
-
-	docs "easywish/docs"
-	swaggerfiles "github.com/swaggo/files"
-	ginSwagger "github.com/swaggo/gin-swagger"
+	"easywish/internal/services"
+	// swaggerfiles "github.com/swaggo/files"
+	// ginSwagger "github.com/swaggo/gin-swagger"
 )
 
 func main() {
@@ -32,12 +36,43 @@ func main() {
 
   defer logger.Sync()
 
-	r := gin.Default()
-	r = routes.SetupRoutes(r)
+	fx.New(	
+		services.Module,
+		fx.Provide(
+			// func() *gin.Engine {
+			// 	engine := gin.Default()
+			// 	engine.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerfiles.Handler))
+			// 	return engine
+			// },
+			gin.New,
+			controllers.NewAuthController,
+			controllers.NewServiceController,
+		),
+		routes.Module,
 
-	docs.SwaggerInfo.Schemes = []string{"http"}
-	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerfiles.Handler))
 
-	r.Run(":8080")
+		fx.Invoke(func(lc fx.Lifecycle, router *gin.Engine) {
+			server := &http.Server{
+				Addr:    ":8080",
+				Handler: router,
+			}
+
+			lc.Append(fx.Hook{
+				OnStart: func(ctx context.Context) error {
+					go func() {
+						if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
+						}
+					}()
+					return nil
+				},
+				OnStop: func(ctx context.Context) error {
+					shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+					defer cancel()
+					return server.Shutdown(shutdownCtx)
+				},
+			})
+		}),
+
+  ).Run()
 }