void ServerClientEntity_OnChange(ServerClientEntity o, EventArgs e)
{
foreach (var subscriber in subscribedUsers)
{
var op = new entityOperation()
{
operation = 'u', entity = this
};
Dem2Hub.sendItTo(op, subscriber.Value.connection);
}
}
public void sendTo(IWebSocketConnection socket)
{
Dem2Hub.sendItTo(this, socket);
if (operation == 'u' || operation == 'c')
{
var subs = new Subscription()
{
onEntityId = entity.Id
}; //we presume, that the entity will be displayed at the client, so we subscribe him
subs.subscribe(socket);
}
}
internal void resolveEntityRequest(IWebSocketConnection socket, JObject receivedObj)
{
switch (operation)
{
case 'c': //create new user generated entity
/*
* //Example shows json which creates new Vote for the present user
* {
* "msgType": "entity",
* "operation": "c",
* "className": "Vote",
* "entity": {"subjectID": "voting/215", "Agrees": true}
* }
*
* // TODO implement create spam check here
*/
{
try
{
var className = (string)receivedObj["className"];
Type type = Type.GetType("Dem2UserCreated." + className);
var sourceJSON = receivedObj["entity"].ToString();
var instance = JsonConvert.DeserializeObject(sourceJSON, type, new IsoDateTimeConverter());
entity = (ServerClientEntity)instance;
entity.OwnerId = fromUser.Id;
entity.Subscribe(fromUser);
switch (className)
{
case "Vote":
var newVote = (Vote)instance; //the serialized entity must be initialized
newVote.InitVote(fromUser); //the after initialization, we return the entity back
Console.WriteLine("Created new vote with Id {0}", newVote.Id);
break;
case "Comment":
var newComment = (Comment)instance;
EntityRepository.Add(newComment);
Console.WriteLine("Created new comment with Id {0}", newComment.Id);
break;
case "Listing":
var newListing = (Listing)instance;
newListing.JSONQuery.sourceJSON = receivedObj["entity"]["JSONQuery"].ToString();;
var added = EntityRepository.Add(newListing);
if (added == false)
{
entity = EntityRepository.allListings.Single(x => x.JSONQuery.sourceJSON == sourceJSON);
entity.Subscribe(fromUser);
sendTo(socket);
}
Console.WriteLine("Created new listing with Id {0}", newListing.Id);
break;
default:
break;
}
//var op = new entityOperation() { operation = 'c', entity = instance as ServerClientEntity };
//
Console.WriteLine("Object {0} created", instance.ToString());
}
catch (Exception)
{
throw;
}
}
break;
case 'r': //read an entity
/*
* Example shows json for this branch
* {
* "msgType": "entity",
* "operation": "r",
* "entity":{
* "Id": "user/132"
* }
* }*/
respondToReadRequest(socket);
break;
case 'u': //read an entity
/*
* Example shows json for this branch
* {
* "msgType": "entity",
* "operation": "r",
* "entity":{
* "Id": "user/132"
* }
* }*/
respondToUpdateRequest(receivedObj);
break;
case 'd': //delete an entity
/*
* {
* "msgType": "entity",
* "operation": "d",
* "entity": {"Id": "voting/215"}
* }
*
*/
{
string IdPrefixStr = entity.Id.Split('/')[0];
Type type = EntityRepository.GetRepoTypeById(IdPrefixStr);
var instance = JsonConvert.DeserializeObject(receivedObj["entity"].ToString(), type, new IsoDateTimeConverter());
{
var Id = (string)receivedObj["entity"]["Id"];
ServerClientEntity toDelete = EntityRepository.GetEntityFromSetsByID(Id);
var deletor = socket.ConnectionInfo.Cookies["user"];
if (deletor == toDelete.OwnerId)
{
var success = toDelete.Delete();
if (success)
{
if (toDelete is Vote)
{ // update the subject
Vote aVote = (Vote)toDelete;
var subject = EntityRepository.GetEntityFromSetsByID(aVote.subjectId);
subject.IncrementVersion();
}
var op = new entityOperation()
{
operation = 'd', entity = new ServerClientEntity(toDelete.Id, toDelete.version)
};
Dem2Hub.sendItTo(op, socket);
}
}
else
{
var err = new ServerError()
{
message = "sorry, you can't delete the entity id " + Id
};
Dem2Hub.sendItTo(err, socket);
}
}
}
break;
default:
Console.WriteLine("Unknown type of request: {0}", operation);
break;
}
}