private static async Task <bool> AddOrUpdateFeedAsync(string streamName, string entry, FeedEntryType entryType,
string reason, KeylolDbContext dbContext)
{
var added = false;
var startTime = DateTime.Now - TimeSpan.FromDays(1);
var feed = await dbContext.Feeds.Where(
f => f.StreamName == streamName && f.Entry == entry &&
f.EntryType == entryType &&
f.Time > startTime)
.FirstOrDefaultAsync();
if (feed == null)
{
feed = new Feed
{
StreamName = streamName,
EntryType = entryType,
Entry = entry
};
dbContext.Feeds.Add(feed);
added = true;
}
if (!string.IsNullOrWhiteSpace(reason))
{
var properties =
Helpers.SafeDeserialize <SubscriptionStream.FeedProperties>(feed.Properties) ??
new SubscriptionStream.FeedProperties();
properties.Reasons = properties.Reasons ?? new List <string>();
bool reasonExisted;
string likeOperatorId = null;
var reasonParts = reason.Split(':');
if (reasonParts.Length == 2 && reasonParts[0] == "like")
{
likeOperatorId = reasonParts[1];
}
if (likeOperatorId == null)
{
reasonExisted = properties.Reasons.Contains(reason);
}
else
{
if (properties.Reasons.Count > 0)
{
var indexToRemove = -1;
for (var i = 0; i < properties.Reasons.Count; i++)
{
var currentReason = properties.Reasons[i];
var parts = currentReason.Split(':');
if (parts.Length != 2 || parts[0] != "like")
{
continue;
}
var currentSubscriberId = parts[1];
var currentSubscriberCount = await dbContext.Subscriptions.LongCountAsync(
s => s.TargetId == currentSubscriberId && s.TargetType == SubscriptionTargetType.User);
var newSubscriberCount = await dbContext.Subscriptions.LongCountAsync(
s => s.TargetId == likeOperatorId && s.TargetType == SubscriptionTargetType.User);
if (newSubscriberCount >= currentSubscriberCount)
{
indexToRemove = i;
}
break;
}
if (indexToRemove >= 0)
{
properties.Reasons.RemoveAt(indexToRemove);
reasonExisted = false;
}
else
{
reasonExisted = true;
}
}
else
{
reasonExisted = false;
}
}
if (!reasonExisted)
{
properties.Reasons.Add(reason);
feed.Properties = JsonConvert.SerializeObject(properties);
}
}
await dbContext.SaveChangesAsync();
return(added);
}
public async Task<ActionResult> Submit(CreateFeedEntryViewModel feedEntryViewModel, FeedEntryType submitType)
{
Log.Info("Received new feedentry:" + feedEntryViewModel.Title);
if (ModelState.IsValid)
{
//create
var feedEntry = Mapper.Map<CreateFeedEntryDto>(feedEntryViewModel);
if (submitType == FeedEntryType.Attachment)
{
feedEntry.FeedEntryType = WebApi.Public.FeedEntryType.Attachment;
if (feedEntryViewModel.Attachment == null)
{
ModelState.AddModelError("Attachment", "Invalid attachment");
return View(feedEntryViewModel);
}
var createdEntryViewModel = await WebApiService.Instance.PostAsync<FeedEntryDto>("/FeedEntries/Create", UserManager.User.AccessToken, feedEntry);
await WebApiService.Instance.PostFileAsync<FeedEntryDto>("/Documents/Upload", UserManager.User.AccessToken, new { feedName = feedEntryViewModel.FeedName, guid = createdEntryViewModel.DocumentId },
feedEntryViewModel.Attachment);
await WebApiService.Instance.PostAsync<FeedEntryDto>("/FeedEntries/AttachDocument", UserManager.User.AccessToken, new { feedName = feedEntryViewModel.FeedName, guid = createdEntryViewModel.Guid, documentId = createdEntryViewModel.DocumentId });
return RedirectToAction("Show", createdEntryViewModel.GetRouteValues());
}
if (submitType == FeedEntryType.Link)
{
feedEntry.FeedEntryType = WebApi.Public.FeedEntryType.Link;
if (string.IsNullOrEmpty(feedEntryViewModel.Link))
{
ModelState.AddModelError("Link", "Missing link");
return View(feedEntryViewModel);
}
var createdEntryViewModel = await WebApiService.Instance.PostAsync<FeedEntryDto>("/FeedEntries/Create", UserManager.User.AccessToken, feedEntry);
return RedirectToAction("Show", createdEntryViewModel.GetRouteValues());
}
ModelState.AddModelError("submitType", "Invalid submit type!");
return View(feedEntryViewModel);
}
string messages = string.Join("; ", ModelState.Values
.SelectMany(x => x.Errors)
.Select(x => x.ErrorMessage));
Log.Error("Invalid state: " + messages);
var feedEntryDto = await WebApiService.Instance.GetAsync<IEnumerable<string>>("/FeedEntries/Tags", UserManager.User.AccessToken, new { feedEntryViewModel.FeedName });
ViewBag.Tags = feedEntryDto;
return View(feedEntryViewModel);
}