public async Task <IActionResult> DissociateTagFromLink(Guid linkId, Guid tagId)
{
var linkEntity = await _linksRepo.GetLinkAsync(linkId);
var tagEntity = await _tagsRepo.GetTagAsync(tagId);
if (linkEntity == null || tagEntity == null)
{
return(NotFound());
}
_linksRepo.DissociateTagFromLink(linkEntity, tagEntity);
await _linksRepo.SaveChangesAsync();
return(NoContent());
}