/// <summary>
/// Communication handler method
/// </summary>
/// <param name = "data"> Data </param>
/// <param name = "reverted"> Reverse </param>
/// <param name = "work"> At work </param>
/// <returns> </returns>
private async Task <TResult> LinkHandler <TParent, TChild, TResult>(
LinkSubmitM data,
bool reverted,
Func <TParent, TChild, Task <TResult> > work)
where TParent : class, IStatisticalUnit
where TChild : class, IStatisticalUnit
=> await work(
await _commonSvc.GetUnitById <TParent>(reverted ? data.Source2.Id : data.Source1.Id, false),
await _commonSvc.GetUnitById <TChild>(reverted ? data.Source1.Id : data.Source2.Id, false));
/// <summary>
/// Communication handler method for being created
/// </summary>
/// <param name = "data"> Data </param>
/// <param name = "reverted"> Reverse </param>
/// <param name = "idGetter"> Id getter </param>
/// <returns> </returns>
private async Task <bool> LinkCanCreateHandler <TParent, TChild>(
LinkSubmitM data,
bool reverted,
Func <TChild, int?> idGetter,
Action <TChild, int?> idSetter,
string userId)
where TParent : class, IStatisticalUnit
where TChild : class, IStatisticalUnit, new()
=> await LinkHandler <TParent, TChild, bool>(data, reverted, (unit1, unit2) =>
{
var childUnitId = idGetter(unit2);
return(Task.FromResult(childUnitId == null || childUnitId.Value == unit1.RegId));
});
public async Task<IActionResult> CanBeLinked([FromQuery] LinkSubmitM model)
=> Ok(await _service.LinkCanCreate(model, User.GetUserId()));
// TODO: Optimize (Use Include instead of second query + another factory) /// <summary> /// The method of checking for the possibility of being connected /// </summary> /// <param name = "data"> Data </param> /// <param name = "userId"> User Id </param> /// <returns> </returns> public async Task <bool> LinkCanCreate(LinkSubmitM data, string userId) => await LinkContext(data, LinkCanCreateMedthod, nameof(Resource.LinkTypeInvalid), userId);
