refactor: transitioned auth controller to use the new controller structure;

feat: setup DI for controllers;
refactor: marked old utils and routes package parts as deprecated

backend/internal/controllers/controller.go

@@ -19,7 +19,6 @@ package controllers
 
 import (
 	"easywish/internal/dto"
-	"easywish/internal/middleware"
 	"easywish/internal/services"
 	"easywish/internal/utils/enums"
 	"easywish/internal/validation"
@@ -48,39 +47,16 @@ type ControllerMethod struct {
 
 type controllerImpl struct {
 	Path string
-	Authorization enums.Role
 	Middleware []gin.HandlerFunc 
 	Methods []ControllerMethod
 }
 
-func (ctrl *controllerImpl) Setup(group *gin.RouterGroup, log *zap.Logger, auth services.AuthService) *gin.RouterGroup {
+type Controller interface {
+	Setup(group *gin.RouterGroup, log *zap.Logger, auth services.AuthService)
+}
+
+func (ctrl *controllerImpl) Setup(group *gin.RouterGroup, log *zap.Logger, auth services.AuthService) {
 	ctrlGroup := group.Group(ctrl.Path)
-	ctrlGroup.Use(middleware.AuthMiddleware(log, auth))
-	ctrlGroup.Use(gin.HandlerFunc(func(c *gin.Context) {
-		ip := c.ClientIP()
-		userAgent := c.Request.UserAgent()
-		sessionInfoFromCtx, ok := c.Get("session_info"); if !ok {
-			c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "Invalid or missing session data"})
-			return
-		}
-
-		sessionInfo := sessionInfoFromCtx.(dto.SessionInfo)
-
-		if sessionInfo.Role < ctrl.Authorization {
-			c.AbortWithStatusJSON(
-				http.StatusForbidden,
-				gin.H{"error": "Insufficient authorization for this controller"})
-			return
-		}
-
-		c.Set("client_info", dto.ClientInfo{
-			SessionInfo: sessionInfo,
-			IP: ip,
-			UserAgent: userAgent,
-		})
-
-		c.Next()
-	}))
 	ctrlGroup.Use(ctrl.Middleware...)
 
 	for _, method := range ctrl.Methods {
@@ -100,11 +76,6 @@ func (ctrl *controllerImpl) Setup(group *gin.RouterGroup, log *zap.Logger, auth
 				}),
 				method.Function)...,
 		)}
-	return ctrlGroup
-}
-
-type Controller interface {
-	Setup(group *gin.RouterGroup, log *zap.Logger, auth services.AuthService)	
 }
 
 func GetRequest[ModelT any](c *gin.Context) (*dto.Request[ModelT], error) {