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feat(ee): add subscribe request Add the ability to construct and exec subscribe request with the following response parsing. feat: add emit messages / status effects feat: add event listeners Listeners implemented in form of a subscription object which allows polling on updates. test(contract-test): completed contract testing for subscribe Completed set of contract tests for subscription event engine. refactor(clippy): apply clippy suggestions fix: fix formatting warning --------- Co-authored-by: Xavrax <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| use futures::StreamExt; | ||
| use pubnub::dx::subscribe::{SubscribeStreamEvent, Update}; | ||
| use pubnub::{Keyset, PubNubClientBuilder}; | ||
| use serde::Deserialize; | ||
| use std::env; | ||
|
|
||
| #[derive(Debug, Deserialize)] | ||
| struct Message { | ||
| // Allowing dead code because we don't use these fields | ||
| // in this example. | ||
| #[allow(dead_code)] | ||
| url: String, | ||
| #[allow(dead_code)] | ||
| description: String, | ||
| } | ||
|
|
||
| #[tokio::main] | ||
| async fn main() -> Result<(), Box<dyn snafu::Error>> { | ||
| let publish_key = env::var("SDK_PUB_KEY")?; | ||
| let subscribe_key = env::var("SDK_SUB_KEY")?; | ||
|
|
||
| let client = PubNubClientBuilder::with_reqwest_transport() | ||
| .with_keyset(Keyset { | ||
| subscribe_key, | ||
| publish_key: Some(publish_key), | ||
| secret_key: None, | ||
| }) | ||
| .with_user_id("user_id") | ||
| .build()?; | ||
|
|
||
| println!("running!"); | ||
|
|
||
| let subscription = client | ||
| .subscribe() | ||
| .channels(["my_channel".into(), "other_channel".into()].to_vec()) | ||
| .heartbeat(10) | ||
| .filter_expression("some_filter") | ||
| .execute()?; | ||
|
|
||
| tokio::spawn(subscription.stream().for_each(|event| async move { | ||
| match event { | ||
| SubscribeStreamEvent::Update(update) => { | ||
| println!("\nupdate: {:?}", update); | ||
| match update { | ||
| Update::Message(message) | Update::Signal(message) => { | ||
| // Deserialize the message payload as you wish | ||
| match serde_json::from_slice::<Message>(&message.data) { | ||
| Ok(message) => println!("defined message: {:?}", message), | ||
| Err(_) => { | ||
| println!("other message: {:?}", String::from_utf8(message.data)) | ||
| } | ||
| } | ||
| } | ||
| Update::Presence(presence) => { | ||
| println!("presence: {:?}", presence) | ||
| } | ||
| Update::Object(object) => { | ||
| println!("object: {:?}", object) | ||
| } | ||
| Update::MessageAction(action) => { | ||
| println!("message action: {:?}", action) | ||
| } | ||
| Update::File(file) => { | ||
| println!("file: {:?}", file) | ||
| } | ||
| } | ||
| } | ||
| SubscribeStreamEvent::Status(status) => println!("\nstatus: {:?}", status), | ||
| } | ||
| })); | ||
|
|
||
| // Sleep for a minute. Now you can send messages to the channels | ||
| // "my_channel" and "other_channel" and see them printed in the console. | ||
| // You can use the publish example or [PubNub console](https://www.pubnub.com/docs/console/) | ||
| // to send messages. | ||
| tokio::time::sleep(tokio::time::Duration::from_secs(60)).await; | ||
|
|
||
| // You can also cancel the subscription at any time. | ||
| subscription.unsubscribe().await; | ||
|
|
||
| Ok(()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| //! Deserialization module | ||
| //! | ||
| //! This module provides a [`Deserialize`] trait for the Pubnub protocol. | ||
| //! | ||
| //! You can implement this trait for your own types, or use one of the provided | ||
| //! features to use a deserialization library. | ||
| //! | ||
| //! [`Deserialize`]: trait.Deserialize.html | ||
|
|
||
| use crate::core::PubNubError; | ||
|
|
||
| /// Deserialize values | ||
| /// | ||
| /// This trait provides a [`deserialize`] method for the Pubnub protocol. | ||
| /// | ||
| /// You can implement this trait for your own types, or use the provided | ||
| /// implementations for [`Into<Vec<u8>>`]. | ||
| /// | ||
| /// [`deserialize`]: #tymethod.deserialize | ||
| pub trait Deserialize<'de>: Send + Sync { | ||
| /// Type to which binary data should be mapped. | ||
| type Type; | ||
|
|
||
| /// Deserialize the value | ||
| fn deserialize(bytes: &'de [u8]) -> Result<Self::Type, PubNubError>; | ||
| } |
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