PubNub SDK 0.3.0 release.

.pubnub.yml

@@ -1,9 +1,18 @@
 name: rust
-version: 0.2.1
+version: 0.3.0
 schema: 1
 scm: github.com/pubnub/rust
 files: []
 changelog:
+  - date: 2023-08-30
+    version: 0.3.0
+    changes:
+      - type: feature
+        text: "PubNub subscribe API implemented."
+      - type: feature
+        text: "PubNub presence API implemented."
+      - type: feature
+        text: "Event engine as a new method of handling connections for `subscribe` and `presence` methods implemented."
   - date: 2023-06-07
     version: 0.2.1
     changes:

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pubnub"
-version = "0.2.1"
+version = "0.3.0"
 edition = "2021"
 license = "MIT"
 authors = ["PubNub <[email protected]>"]

README.md

@@ -35,11 +35,11 @@ Add `pubnub` to your Rust project in the `Cargo.toml` file:
 ```toml
 # default features
 [dependencies]
-pubnub = "0.2.1"
+pubnub = "0.3.0"
 
 # all features
 [dependencies]
-pubnub = { version = "0.2.1", features = ["full"] }
+pubnub = { version = "0.3.0", features = ["full"] }
 ```
 
 ### Example
@@ -48,28 +48,75 @@ Try the following sample code to get up and running quickly!
 
 ```rust
 use pubnub::{Keyset, PubNubClientBuilder};
+use pubnub::dx::subscribe::{SubscribeStreamEvent, Update};
+use futures::StreamExt;
+use tokio::time::sleep;
+use std::time::Duration;
+use serde_json;
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let publish_key = "my_publish_key";
     let subscribe_key = "my_subscribe_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()?;
-
+      .with_keyset(Keyset {
+           subscribe_key,
+           publish_key: Some(publish_key),
+           secret_key: None,
+       })
+       .with_user_id("user_id")
+       .build()?;
+   println!("PubNub instance created");
+
+   let subscription = client
+      .subscribe()
+       .channels(["my_channel".into()].to_vec())
+       .execute()?;
+
+   println!("Subscribed to channel");
+
+  // Launch a new task to print out each received message
+  tokio::spawn(subscription.stream().for_each(|event| async move {
+       match event {
+           SubscribeStreamEvent::Update(update) => {
+               match update {
+                   Update::Message(message) | Update::Signal(message) => {
+                       // Silently log if UTF-8 conversion fails
+                       if let Ok(utf8_message) = String::from_utf8(message.data.clone()) {
+                           if let Ok(cleaned) = serde_json::from_str::<String>(&utf8_message) {
+                               println!("message: {}", cleaned);
+                           }
+                      }
+                   }
+                    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(Duration::from_secs(1)).await;
+    // Send a message to the channel
     client
         .publish_message("hello world!")
         .channel("my_channel")
         .r#type("text-message")
         .execute()
         .await?;
 
+    sleep(Duration::from_secs(10)).await;
+
     Ok(())
 }
 ```
@@ -83,22 +130,25 @@ The `pubnub` crate is split into multiple features. You can enable or disable th
 ```toml
 # only blocking and access + default features
 [dependencies]
-pubnub = { version = "0.2.1", features = ["blocking", "access"] }
+pubnub = { version = "0.3.0", features = ["blocking", "access"] }
 
 # only parse_token + default features
 [dependencies]
-pubnub = { version = "0.2.1", features = ["parse_token"] }
+pubnub = { version = "0.3.0", features = ["parse_token"] }
 ```
 
 ### Available features
 
 | Feature name  | Description | Available PubNub APIs |
 | :------------ | :---------- | :------------- |
-| `full`        | Enables all non-conflicting features | Configuration, Publish, Access Manager, Parse Token |
-| `default`     | Enables default features: `publish`, `serde`, `reqwest`, `aescbc`, `std` | Configuration, Publish |
+| `full`        | Enables all non-conflicting features | Configuration, Publish, Subscribe, Access Manager, Parse Token, Presence |
+| `default`     | Enables default features: `publish`, `subscribe`, `serde`, `reqwest`, `aescbc`, `std` | Configuration, Publish, Subscribe |
 | `publish`     | Enables Publish API | Configuration, Publish |
 | `access`      | Enables Access Manager API | Configuration, Access Manager |
 | `parse_token` | Enables parsing Access Manager tokens | Configuration, Parse Token |
+| `subscribe`   | Enables Subscribe API | Configuration, Subscribe |
+| `presence`    | Enables Presence API | Configuration, Presence |
+| `tokio`       | Enables the [tokio](https://tokio.rs/) asynchronous runtime for Subscribe and Presence APIs | n/a  |
 | `serde`       | Uses [serde](https://github.com/serde-rs/serde) for serialization | n/a |
 | `reqwest`     | Uses [reqwest](https://github.com/seanmonstar/reqwest) as a transport layer | n/a |
 | `blocking`    | Enables blocking executions of APIs | n/a |
@@ -121,7 +171,7 @@ features and enable the ones you need, for example:
 
 ```toml
 [dependencies]
-pubnub = { version = "0.2.1", default-features = false, features = ["serde", "publish",
+pubnub = { version = "0.3.0", default-features = false, features = ["serde", "publish",
 "blocking"] }
 ```
 
@@ -135,8 +185,10 @@ some parts of the `alloc::sync` module, which is also not supported in certain `
 
 Some SDK features aren't supported in a `no_std` environment:
 
-* partially `access` module (because of lack timestamp support)
+* partially `access` module (because of lack of timestamp support)
 * partially `reqwest` transport (because of the reqwest implementation details)
+* partially `subscribe` module (because of the spawning tasks and time dependence)
+* partially `presence` module (because of the spawning tasks and time dependence)
 * `std` feature (because of the `std` library)
 
 We depend on a random number generator to generate data for debugging purposes.

src/lib.rs

@@ -38,11 +38,11 @@
 //! ```toml
 //! # default features
 //! [dependencies]
-//! pubnub = "0.2.1"
+//! pubnub = "0.3.0"
 //!
 //! # all features
 //! [dependencies]
-//! pubnub = { version = "0.2.1", features = ["full"] }
+//! pubnub = { version = "0.3.0", features = ["full"] }
 //! ```
 //!
 //! ### Example
@@ -133,11 +133,11 @@
 //! ```toml
 //! # only blocking and access + default features
 //! [dependencies]
-//! pubnub = { version = "0.2.1", features = ["blocking", "access"] }
+//! pubnub = { version = "0.3.0", features = ["blocking", "access"] }
 //!
 //! # only parse_token + default features
 //! [dependencies]
-//! pubnub = { version = "0.2.1", features = ["parse_token"] }
+//! pubnub = { version = "0.3.0", features = ["parse_token"] }
 //! ```
 //!
 //! ### Available features
@@ -174,7 +174,7 @@
 //!
 //! ```toml
 //! [dependencies]
-//! pubnub = { version = "0.2.1", default-features = false, features = ["serde", "publish",
+//! pubnub = { version = "0.3.0", default-features = false, features = ["serde", "publish",
 //! "blocking"] }
 //! ```
 //!