PIbd-23_Elatomtsev_L.K._Cou.../Bank/BankBusinessLogic/BusinessLogics/ProgramLogic.cs

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using BankContracts.BindingModels;
using BankContracts.BusinessLogicsContracts;
using BankContracts.SearchModels;
using BankContracts.StoragesContracts;
using BankContracts.ViewModels;
using Microsoft.Extensions.Logging;
namespace BankBusinessLogic.BusinessLogics
{
public class ProgramLogic : IProgramLogic
{
private readonly ILogger _logger;
private readonly IProgramStorage _programStorage;
public ProgramLogic(ILogger<ProgramLogic> logger,
IProgramStorage programStorage)
{
_logger = logger;
_programStorage = programStorage;
}
public bool Create(ProgramBindingModel model)
{
CheckModel(model);
if (_programStorage.Insert(model) == null)
{
_logger.LogWarning("Insert operation failed");
return false;
}
return true;
}
public bool Update(ProgramBindingModel model)
{
CheckModel(model);
if (_programStorage.Update(model) == null)
{
_logger.LogWarning("Update operation failed");
return false;
}
return true;
}
public bool Delete(ProgramBindingModel model)
{
CheckModel(model, false);
_logger.LogInformation("Delete. Id: {Id}", model.Id);
if (_programStorage.Delete(model) == null)
{
_logger.LogWarning("Delete operation failed");
return false;
}
return true;
}
public List<ProgramViewModel>? ReadList(ProgramSearchModel? model)
{
_logger.LogInformation(
"ReadList. ProgramName: {ProgramName}. Id: {Id}",
model?.ProgramName, model?.Id);
var list = model == null ? _programStorage.GetFullList() :
_programStorage.GetFilteredList(model);
if (list == null)
{
_logger.LogWarning("ReadList return null list");
return null;
}
_logger.LogInformation("ReadList. Count: {Count}", list.Count);
return list;
}
public ProgramViewModel? ReadElement(ProgramSearchModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
_logger.LogInformation(
"ReadElement. ProgramName: {ProgramName}. Id: {Id}",
model.ProgramName, model.Id);
var element = _programStorage.GetElement(model);
if (element == null)
{
_logger.LogWarning("ReadElement element not found");
return null;
}
_logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
return element;
}
private void CheckModel(ProgramBindingModel model,
bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.ProgramName))
{
throw new ArgumentNullException(
"Отсутствует название кредитной программы",
nameof(model.ProgramName));
}
if (model.InterestRate < 0)
{
throw new ArgumentNullException(
"Процентная ставка должна быть не менее 0",
nameof(model.InterestRate));
}
_logger.LogInformation("Program. Id: {Id}. ProgramName: " +
"{ProgramName}. InterestRate: {InterestRate}.",
model.Id, model.ProgramName, model.InterestRate);
var element = _programStorage.GetElement(new ProgramSearchModel
{
ProgramName = model.ProgramName,
});
if (element != null && element.Id != model.Id)
{
throw new InvalidOperationException(
"Кредитная программа с таким названием уже существует");
}
}
}
}