public async Task RestPresenceSamples()
{
AblyRest rest = new AblyRest("{{API_KEY}}");
var channel = rest.Channels.Get("{{RANDOM_CHANNEL_NAME}}");
PaginatedResult <PresenceMessage> membersPage = await channel.Presence.GetAsync();
Console.WriteLine(membersPage.Items.Count + " members in first page");
if (membersPage.HasNext)
{
PaginatedResult <PresenceMessage> nextPage = await membersPage.NextAsync();
Console.WriteLine(nextPage.Items.Count + " members on 2nd page");
}
//History
PaginatedResult <PresenceMessage> eventsPage = await channel.Presence.HistoryAsync();
Console.WriteLine(eventsPage.Items.Count + " presence events received in first page");
if (eventsPage.HasNext)
{
PaginatedResult <PresenceMessage> nextPage = await eventsPage.NextAsync();
Console.WriteLine(nextPage.Items.Count + " presence events received in 2nd page");
}
}
public async Task HistoryExample2()
{
var realtime = new AblyRealtime("{{API_KEY}}");
var channel = realtime.Channels.Get("{{RANDOM_CHANNEL_NAME}}");
await channel.AttachAsync();
PaginatedResult <Message> resultPage = await channel.HistoryAsync(untilAttach : true);
Message lastMessage = resultPage.Items[0];
Console.WriteLine("Last message before attach: " + lastMessage.Data);
//Part of the _paginated_result sample
PaginatedResult <Message> firstPage = await channel.HistoryAsync(null);
Message firstMessage = firstPage.Items[0];
Console.WriteLine("Page 0 item 0: " + firstMessage.Data);
if (firstPage.HasNext)
{
var nextPage = await firstPage.NextAsync();
Console.WriteLine("Page 1 item 1:" + nextPage.Items[1].Data);
Console.WriteLine("More pages?: " + nextPage.HasNext);
}
}
public async Task RestChannelHistory()
{
AblyRest rest = new AblyRest("{{API_KEY}}");
var channel = rest.Channels.Get("{{RANDOM_CHANNEL_NAME}}");
PaginatedResult <Message> resultPage = await channel.HistoryAsync();
Console.WriteLine(resultPage.Items.Count + " messages received in first page");
if (resultPage.HasNext)
{
PaginatedResult <Message> nextPage = await resultPage.NextAsync();
Console.WriteLine(nextPage.Items.Count + " messages received in second page");
}
}
public async Task PresenceExample()
{
var options = new ClientOptions("{{API_KEY}}")
{
ClientId = "bob"
};
var realtime = new AblyRealtime(options);
var channel = realtime.Channels.Get("{{RANDOM_CHANNEL_NAME}}");
channel.Presence.Subscribe(member => Console.WriteLine("Member " + member.ClientId + " : " + member.Action));
await channel.Presence.EnterAsync(null);
/* Subscribe to presence enter and update events */
channel.Presence.Subscribe(member =>
{
switch (member.Action)
{
case PresenceAction.Enter:
case PresenceAction.Update:
{
Console.WriteLine(member.Data); // => travelling North
break;
}
}
});
/* Enter this client with data and update once entered */
await channel.Presence.EnterAsync("not moving");
await channel.Presence.EnterAsync("travelling North");
IEnumerable <PresenceMessage> presence = await channel.Presence.GetAsync();
Console.WriteLine($"There are {presence.Count()} members on this channel");
Console.WriteLine($"The first member has client ID: {presence.First().ClientId}");
PaginatedResult <PresenceMessage> resultPage = await channel.Presence.HistoryAsync(untilAttach : true);
Console.WriteLine(resultPage.Items.Count + " presence events received in first page");
if (resultPage.HasNext)
{
PaginatedResult <PresenceMessage> nextPage = await resultPage.NextAsync();
Console.WriteLine(nextPage.Items.Count + " presence events received in 2nd page");
}
}