class ProductDetailCategoryPermission:

    def has_add_permission(self, request):
        return True
    
    def has_change_permission(self, request, obj=None):
        return True
    
    def has_delete_permission(self, request, obj=None):
        return False
    
    def has_view_permission(self, request, obj=None):
        return True
    
class ProductAdminPermission:
    def has_add_permission(self, request):
        return True
    
    def has_change_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.shop
    
    def has_delete_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.shop
    
    def has_view_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.shop
    
    def get_queryset(self, request):
        from product.models import ProductModel
        if request.user.is_superuser:

            return ProductModel.objects.all()
        
        if not hasattr(request.user, 'shop'):
            return ProductModel.objects.none()
        
        return ProductModel.objects.filter(shop=request.user.shop)
    

class ProductVariantAdminPermission:
    def has_add_permission(self, request):
        return True
    
    def has_change_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.product.shop
    
    def has_delete_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.product.shop
    
    def has_view_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.product.shop
    
    def get_queryset(self, request):
        from product.models import ProductVariant
        if request.user.is_superuser:

            return ProductVariant.objects.all()
        
        if not hasattr(request.user, 'shop'):
            return ProductVariant.objects.none()
        
        return ProductVariant.objects.filter(product__shop=request.user.shop)
    


class ProductVariantInlineAdminPermission:
    def has_add_permission(self, request, obj):
        return True
    
    def has_change_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.shop
    
    def has_delete_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.shop
    
    def has_view_permission(self, request, obj=None):
        if request.user.is_superuser or obj == None:
            return True
        
        if not hasattr(request.user, 'shop'):
            return False
        
        return request.user.shop == obj.shop
    
    def get_queryset(self, request):
        from product.models import ProductVariant
        if request.user.is_superuser:

            return ProductVariant.objects.all()
        
        if not hasattr(request.user, 'shop'):
            return ProductVariant.objects.none()
        
        return ProductVariant.objects.filter(product__shop=request.user.shop)
class InPackItemsAdminPermission:
    def has_add_permission(self, request):
        return True
    
    def has_change_permission(self, request, obj = ...):
        return False
    
    def has_delete_permission(self, request, obj = ...):
        return False
    
    def has_view_permission(self, request, obj = ...):
        return True
    
class AttributeTypeAdminPermission:
    def has_add_permission(self, request):
        return True
    
    def has_change_permission(self, request, obj = ...):
        return False
    
    def has_delete_permission(self, request, obj = ...):
        return False
    
    def has_view_permission(self, request, obj = ...):
        return True
    

class AttributeValueAdminPermission:
    def has_add_permission(self, request):
        return True
    
    def has_change_permission(self, request, obj = ...):
        return False
    
    def has_delete_permission(self, request, obj = ...):
        return False
    
    def has_view_permission(self, request, obj = ...):
        return True