private void SaveFeedsPortion(IEnumerable <FeedRow> feeds, DateTime aggregatedDate)
{
using var tx = FeedDbContext.Database.BeginTransaction();
foreach (var f in feeds)
{
if (0 >= f.Users.Count)
{
continue;
}
var feedAggregate = new FeedAggregate
{
Id = f.Id,
Tenant = f.Tenant,
Product = f.ProductId,
Module = f.ModuleId,
Author = f.AuthorId,
ModifiedBy = f.ModifiedById,
GroupId = f.GroupId,
CreatedDate = f.CreatedDate,
ModifiedDate = f.ModifiedDate,
Json = f.Json,
Keywords = f.Keywords,
AggregateDate = aggregatedDate
};
if (f.ClearRightsBeforeInsert)
{
var fu = FeedDbContext.FeedUsers.Where(r => r.FeedId == f.Id).FirstOrDefault();
if (fu != null)
{
FeedDbContext.FeedUsers.Remove(fu);
}
}
FeedDbContext.AddOrUpdate(r => r.FeedAggregates, feedAggregate);
foreach (var u in f.Users)
{
var feedUser = new FeedUsers
{
FeedId = f.Id,
UserId = u
};
FeedDbContext.AddOrUpdate(r => r.FeedUsers, feedUser);
}
}
FeedDbContext.SaveChanges();
tx.Commit();
}
public async Task <string> Handle(AddFeedCommand request, CancellationToken cancellationToken)
{
var isNewFeed = false;
var feed = await _feedCommandRepository.Get(request.UserId, request.Title, cancellationToken);
var evts = new List <FeedDataSourceSubscribedEvent>();
if (feed == null)
{
feed = FeedAggregate.Create(request.UserId, request.Title);
isNewFeed = true;
}
if (request.DatasourceIds != null)
{
var datasources = await _dataSourceService.Get(request.DatasourceIds, cancellationToken);
var missingDatasources = request.DatasourceIds.Where(d => !datasources.Any(ds => ds.Id == d));
if (missingDatasources.Any())
{
throw new NewsAggregatorException(string.Format(Global.UnknownDataSource, string.Join(",", missingDatasources)));
}
foreach (var datasource in datasources)
{
evts.Add(feed.SubscribeDataSource(request.UserId, datasource.Id));
}
}
if (isNewFeed)
{
await _feedCommandRepository.Add(feed, cancellationToken);
}
else
{
await _feedCommandRepository.Update(feed, cancellationToken);
}
await _feedCommandRepository.SaveChanges(cancellationToken);
_logger.LogInformation($"User {request.UserId} adds the feed {request.Title}");
foreach (var evt in evts)
{
await _busControl.Publish(evt, cancellationToken);
}
return(feed.Id);
}
public Task Update(FeedAggregate feed, CancellationToken cancellation)
{
_dbContext.Feeds.Update(feed);
return(Task.CompletedTask);
}
public Task Add(FeedAggregate feed, CancellationToken cancellationToken)
{
_dbContext.Add(feed);
return(Task.CompletedTask);
}
