feat: Refactor user context handling and service methods

- Updated middleware to fetch user and tenant models by ID and set them in context.
- Refactored common service methods to accept userID as a parameter instead of extracting from context.
- Modified content service methods to include userID as a parameter for better clarity and performance.
- Adjusted coupon, creator, notification, order, tenant, user, and wallet services to utilize userID directly.
- Enhanced context key constants for improved readability and maintainability.

backend/app/middlewares/middlewares.go

@@ -2,6 +2,7 @@ package middlewares
 
 import (
 	"quyun/v2/app/errorx"
+	"quyun/v2/app/services"
 	"quyun/v2/pkg/consts"
 	"quyun/v2/providers/jwt"
 
@@ -35,10 +36,20 @@ func (m *Middlewares) Auth(ctx fiber.Ctx) error {
 		return errorx.ErrUnauthorized.WithCause(err).WithMsg("Invalid token")
 	}
 
+	// get user model
+	user, err := services.User.GetModelByID(ctx.Context(), claims.UserID)
+	if err != nil {
+		return errorx.ErrUnauthorized.WithCause(err).WithMsg("UserNotFound")
+	}
+
 	// Set Context
-	ctx.Locals(consts.CtxKeyUser, claims.UserID)
+	ctx.Locals(consts.CtxKeyUser, user)
 	if claims.TenantID > 0 {
-		ctx.Locals(consts.CtxKeyTenant, claims.TenantID)
+		tenant, err := services.Tenant.GetModelByID(ctx, claims.TenantID)
+		if err != nil {
+			return errorx.ErrUnauthorized.WithCause(err).WithMsg("TenantNotFound")
+		}
+		ctx.Locals(consts.CtxKeyTenant, tenant)
 	}
 
 	return ctx.Next()