public IActionResult Index()
        {
            var branches = _branch.GetAll().Select(branch => new BranchDetailModel
            {
                Id              = branch.Id,
                BranchName      = branch.Name,
                IsOpen          = _branch.isBranchOpen(branch.Id),
                NumberOfAssets  = _branch.GetAssets(branch.Id).Count(),
                NumberOfPatrons = _branch.GetPatrons(branch.Id).Count()
            });

            var model = new BranchIndexModel()
            {
                Branches = branches
            };

            return(View(model));
        }