implement graphQL and init postgres

local/api/api.go

@@ -2,6 +2,9 @@ package api
 
 import (
 	"omega-server/local/controller"
+	"omega-server/local/graphql/handler"
+	graphqlService "omega-server/local/graphql/service"
+	"omega-server/local/service"
 	"omega-server/local/utl/common"
 	"omega-server/local/utl/configs"
 	"omega-server/local/utl/logging"
@@ -33,5 +36,35 @@ func Init(di *dig.Container, app *fiber.App) {
 		logging.Panic("unable to bind routes")
 	}
 
+	// Initialize GraphQL
+	initGraphQL(di, groups)
+
 	controller.InitializeControllers(di)
 }
+
+// initGraphQL initializes GraphQL endpoints
+func initGraphQL(di *dig.Container, groups fiber.Router) {
+	err := di.Invoke(func(membershipService *service.MembershipService) error {
+		// Create GraphQL service
+		gqlService := graphqlService.NewGraphQLService(membershipService)
+		_ = gqlService // Use the service (placeholder)
+
+		// Create GraphQL handler
+		graphqlHandler := handler.NewGraphQLHandler(membershipService)
+
+		// Register GraphQL routes
+		groups.Post("/graphql", graphqlHandler.Handle)
+
+		// GraphQL playground/schema endpoint
+		groups.Get("/graphql", func(c *fiber.Ctx) error {
+			return c.SendString(graphqlHandler.GetSchema())
+		})
+
+		logging.Info("GraphQL endpoint initialized at /graphql")
+		return nil
+	})
+
+	if err != nil {
+		logging.Panic("failed to initialize GraphQL: " + err.Error())
+	}
+}