58 lines
1.3 KiB
C#
58 lines
1.3 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using AudibleApiDTOs;
|
|
using DataLayer;
|
|
using Dinah.Core;
|
|
|
|
namespace DtoImporterService
|
|
{
|
|
public abstract class ImporterBase<T>
|
|
{
|
|
protected LibationContext DbContext { get; }
|
|
|
|
public ImporterBase(LibationContext context)
|
|
{
|
|
ArgumentValidator.EnsureNotNull(context, nameof(context));
|
|
DbContext = context;
|
|
}
|
|
|
|
/// <summary>LONG RUNNING. call with await Task.Run</summary>
|
|
public int Import(T param) => Run(DoImport, param);
|
|
|
|
public TResult Run<TResult>(Func<T, TResult> func, T param)
|
|
{
|
|
try
|
|
{
|
|
var exceptions = Validate(param);
|
|
if (exceptions != null && exceptions.Any())
|
|
throw new AggregateException($"Importer validation failed", exceptions);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Serilog.Log.Logger.Error(ex, "Import error: validation");
|
|
throw;
|
|
}
|
|
|
|
try
|
|
{
|
|
var result = func(param);
|
|
return result;
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Serilog.Log.Logger.Error(ex, "Import error: post-validation importing");
|
|
throw;
|
|
}
|
|
}
|
|
|
|
protected abstract int DoImport(T elements);
|
|
public abstract IEnumerable<Exception> Validate(T param);
|
|
}
|
|
|
|
public abstract class ItemsImporterBase : ImporterBase<IEnumerable<Item>>
|
|
{
|
|
public ItemsImporterBase(LibationContext context) : base(context) { }
|
|
}
|
|
}
|