public IList <Dish> GetSorted(DishSorting parameters)
{
Expression <Func <Dish, bool> > param = g => !g.IsDeleted;
var conditionExpressions = new List <Expression <Func <Dish, bool> > >
{
param
};
if (!string.IsNullOrEmpty(parameters.CategoryId))
{
param = dish => dish.CategoryId == parameters.CategoryId;
conditionExpressions.Add(param);
}
if (parameters.NewOnly)
{
param = dish => dish.IsNew;
conditionExpressions.Add(param);
}
if (parameters.Allergies != null && parameters.Allergies.Any())
{
param = g => !g.Allergies
.Any(gn => parameters.Allergies
.Contains(gn.AllergyId));
conditionExpressions.Add(param);
}
var condition = ExpressionActions.CombinePredicates(conditionExpressions, Expression.AndAlso);
var repository = _unitOfWork.GetRepository <Dish>();
var result = condition != null
? repository.GetMany(condition, null, TrackingState.Disabled, "Allergies.Allergy", "Category", "Images")
: repository.GetMany(source => !source.IsDeleted, null, TrackingState.Disabled, "Allergies.Allergy", "Category", "Images");
switch (parameters.SortingMethod)
{
case SortingMethod.PriceAsc:
result = result.OrderBy(g => g.Price);
break;
case SortingMethod.PriceDesc:
result = result.OrderByDescending(g => g.Price);
break;
case SortingMethod.Popular:
result = result.OrderByDescending(g => g.OrderedCount);
break;
}
return(result.ToList());
}
public IActionResult Get(DishSorting parameters)
{
var user = _userService.Get(User.FindFirst(ClaimTypes.NameIdentifier).Value);
var allergies = user.Allergies.Select(source => source.AllergyId);
parameters.Allergies = allergies;
var items = _dishService.GetSorted(parameters);
var dishesListViewModel = new DishesListViewModel
{
Filter = parameters,
Dishes = items
};
return(View(dishesListViewModel));
}