static void Main(string[] args)
{
DifferenceController differenceController = new DifferenceController();
differenceController.CustomBuilder <People>()
.One(x => x.Phone)
.All(x => x.SweetHome)
//.GoDepth(x => x.SweetHome)
.Build();
differenceController.AutoBuilder <People>()
.Stop(x => x.SweetHome)
.Build();
People p1 = new People
{
Id = 1,
FullName = "Andy",
BirdthDay = DateTime.Today,
Phone = "88005553535",
SweetHome = new Home
{
Id = 111,
IsPrivate = true
}
};
People p2 = new People
{
Id = 21,
FullName = "Greogre",
BirdthDay = DateTime.MinValue,
Phone = "900",
SweetHome = new Home
{
Id = 222,
IsPrivate = true,
Address = "ulitsa Pushkina, dom Kolotushkina, 47",
RoomNumber = 1234,
Square = 120,
Floor = 34,
}
};
var differences = differenceController.GetCustomDifferences(p1, p2);
var differences2 = differenceController.GetAutoDifferences(p1, p2);
var differences3 = differenceController.GetAutoDifferences(p1.SweetHome, p2.SweetHome);
Console.WriteLine("Hello World!");
}
public async Task AddOrUpdateAsync(IEnumerable <ApartmentInfo> data)
{
var newEntitiesMap = data.Select(x => x.ToEntity())
.DistinctBy(x => x.ExternalId)
.ToDictionary(x => x.ExternalId, x => x);
using var uow = new UnitOfWork(_contextProvider.Create());
var existsApartmentsMap = (await uow.Apartments
.GetAsync(x => newEntitiesMap.Keys.Contains(x.ExternalId)))
.ToDictionary(x => x.ExternalId, x => x);
// Сохраняем новые объявления.
var newItems = newEntitiesMap.Values.Where(x => !existsApartmentsMap.Keys.Contains(x.ExternalId)).ToArray();
_logger.Trace($"{GetType().Name}: Всего на запись отправлено: {newEntitiesMap.Count};" +
$" уже существует в БД: {existsApartmentsMap.Count}; из них новых записей: {newItems.Length}");
await uow.Apartments.AddAsync(newItems);
await uow.SaveChangesAsync();
if (newItems.Length > 0)
{
_logger.Trace($"{GetType().Name}: Было успешно добавлено {newItems.Length} объявлений в БД:" +
$"\n* {string.Join("\n* ", newItems.Select(x => $"[{x.Id}] {x.Title} за {x.Price}руб."))}");
}
// Теперь пишем историю для всех объявлений.
var apartmentsChanges = new List <ItemChangeEntity>();
var updatedApartments = new List <ApartmentEntity>(existsApartmentsMap.Count);
foreach (var oldApartment in existsApartmentsMap.Values)
{
// Если объявления нету в списке новых - значит оно устарело и исчезло.
if (!newEntitiesMap.TryGetValue(oldApartment.ExternalId, out var newApartment))
{
continue;
}
// Если не было изменений, то элемент нас не интересует.
var diffs = _differenceController.GetAutoDifferences(oldApartment, newApartment);
if (diffs.Length == 0)
{
continue;
}
_logger.Trace($"{GetType().Name}: Объявление с Id == {oldApartment.Id} (ExternalId == {oldApartment.ExternalId}) имеет {diffs.Length} изменений");
// Сохраняем изменения объекта.
apartmentsChanges.AddRange(diffs.Select(diff => new ItemChangeEntity
{
Table = ApartmentEntity.TableName,
ObjectId = oldApartment.Id,
PropertyName = diff.PropertyName,
PropertyTypeFullName = diff.PropertyType.FullName,
OldValueJson = JsonConvert.SerializeObject(diff.ValueLeft),
NewValueJson = JsonConvert.SerializeObject(diff.ValueRight)
}));
// Сохраянем результат.
newApartment.Id = oldApartment.Id;
updatedApartments.Add(newApartment);
}
await uow.Apartments.UpdateAsync(updatedApartments);
await uow.ItemsChanges.AddAsync(apartmentsChanges);
await uow.SaveChangesAsync();
_logger.Trace($"{GetType().Name}: Всего было изменено {updatedApartments.Count} апартаметов и {apartmentsChanges.Count} полей");
if (apartmentsChanges.Count > 0)
{
_logger.Trace($"{GetType().Name}: Были изменены поля у некоторых объявлений:" +
$"\n* {string.Join("\n* ", apartmentsChanges.Select(x => $"[Id {x.ObjectId}] {x.PropertyName}: {x.OldValueJson} ==> {x.NewValueJson}"))}");
}
await TraceApartmentsChanges(uow, newItems, updatedApartments);
}