experiment: successfully implemented dependency injections for controllers and services

backend/internal/routes/router.go

@@ -0,0 +1,39 @@
+package routes
+
+import (
+	"easywish/internal/controllers"
+
+	"github.com/gin-gonic/gin"
+)
+
+func NewRouter(engine *gin.Engine, groups []RouteGroup) *gin.Engine {
+    apiGroup := engine.Group("/api")
+    for _, group := range groups {
+        subgroup := apiGroup.Group(group.BasePath)
+        subgroup.Use(group.Middleware...)
+        group.Router.RegisterRoutes(subgroup)
+    }
+    return engine
+}
+
+type RouteGroup struct {
+    BasePath    string
+    Middleware  []gin.HandlerFunc
+    Router      controllers.Router
+}
+
+func NewRouteGroups(
+    authController controllers.AuthController,
+		serviceController controllers.ServiceController,
+) []RouteGroup {
+    return []RouteGroup{
+        {
+            BasePath: "/auth",
+            Router: authController, 
+        },
+				{
+						BasePath: "/service",
+						Router: serviceController,
+				},
+    }
+}