public IActionResult Sync([FromBody] SyncTransferObject transferObject)
{
if (transferObject == null || (transferObject.Games == null || transferObject.Games.Count == 0) &&
(transferObject.Categories == null || transferObject.Categories.Count == 0))
{
return(BadRequest("Don't call sync API if you've nothing yo sync."));
}
List <ItemSyncResponse> syncedCategories;
List <ItemSyncResponse> syncedGames;
try
{
var userName = User.GetSubjectOrThrow();
syncedCategories = SyncCategories(transferObject, userName);
syncedGames = SyncGames(transferObject, syncedCategories, userName);
}
catch (Exception ex)
{
throw new HttpStatusCodeException(HttpStatusCode.BadRequest, "Error while syncing data", ex);
}
return(Ok(new SyncResponseTransferObject
{
Categories = syncedCategories,
Games = syncedGames
}));
}
private List <ItemSyncResponse> SyncCategories(SyncTransferObject transferObject, string userName)
{
var result = new List <ItemSyncResponse>();
using (var transaction = CategoriesService.NewTransaction())
{
try
{
transferObject.Categories.ForEach(categoryTransferObject =>
{
var modelState = (Models.ModelState)categoryTransferObject.State;
switch (modelState)
{
case Models.ModelState.New:
var category =
CategoriesService.AddCategory(Category.FromTransferObject(categoryTransferObject), userName);
result.Add(new ItemSyncResponse
{
OfflineId = categoryTransferObject.Id,
Id = category.Id,
State = ItemState.Created,
Replacement = CategoryTransferObject.FromCategory(category)
});
break;
case Models.ModelState.Modified:
var cat = Category.FromTransferObject(categoryTransferObject);
var updatedCategory = CategoriesService.UpdateCategory(cat, userName);
result.Add(new ItemSyncResponse
{
Id = cat.Id,
OfflineId = cat.Id.ToString(),
State = ItemState.Updated,
Replacement = CategoryTransferObject.FromCategory(updatedCategory)
});
break;
case Models.ModelState.Deleted:
var id = Guid.Parse(categoryTransferObject.Id);
CategoriesService.DeleteCategory(id);
result.Add(new ItemSyncResponse
{
Id = id,
OfflineId = categoryTransferObject.Id,
State = ItemState.Deleted
});
break;
}
});
transaction.Commit();
}
catch (Exception)
{
transaction.Rollback();
throw;
}
}
return(result);
}
private List <ItemSyncResponse> SyncGames(SyncTransferObject transferObject,
List <ItemSyncResponse> syncedCategories, string userName)
{
var result = new List <ItemSyncResponse>();
using (var transaction = GamesService.NewTransaction())
{
try
{
transferObject.Games.ForEach(game =>
{
game.Categories = game.Categories
.Select(c =>
{
if (long.TryParse(c.Id, out _))
{
var syncedCategory = syncedCategories
.FirstOrDefault(syncedCat => syncedCat.OfflineId.Equals(c.Id));
if (syncedCategory != null)
{
c.Id = syncedCategory.Id.ToString();
}
}
return(c);
})
.ToList();
switch (game.ModelState)
{
case Models.ModelState.New:
var newGame = GamesService.AddGame(Game.FromTransferObject(game), userName);
result.Add(new ItemSyncResponse
{
OfflineId = game.Id,
Id = newGame.Id,
State = ItemState.Created,
Replacement = GameTransferObject.FromGame(newGame)
});
break;
case Models.ModelState.Modified:
var gameToUpdate = Game.FromTransferObject(game);
var updatedGame = GamesService.UpdateGame(gameToUpdate, userName);
result.Add(new ItemSyncResponse
{
OfflineId = game.Id,
Id = gameToUpdate.Id,
State = ItemState.Updated,
Replacement = GameTransferObject.FromGame(updatedGame)
});
break;
case Models.ModelState.Deleted:
var id = Guid.Parse(game.Id);
GamesService.DeleteGame(id);
result.Add(new ItemSyncResponse
{
Id = id,
OfflineId = id.ToString(),
State = ItemState.Deleted
});
break;
}
});
transaction.Commit();
}
catch (Exception)
{
transaction.Rollback();
throw;
}
}
return(result);
}