examples: Modify the wasm example to be similar to the command bot.

matrix_sdk/examples/wasm_send_message/Cargo.toml

@@ -14,6 +14,7 @@ matrix-sdk = { path = "../..", default-features = false, features = ["encryption
 url = "2.1.1"
 wasm-bindgen = { version = "0.2.62", features = ["serde-serialize"] }
 wasm-bindgen-futures = "0.4.12"
+web-sys = { version = "0.3.39", features = ["console"] }
 
 [workspace]
 

matrix_sdk/examples/wasm_send_message/src/lib.rs

@@ -1,11 +1,50 @@
 use matrix_sdk::{
-    events::room::message::{MessageEventContent, TextMessageEventContent},
+    api::r0::sync::sync_events::Response as SyncResponse,
+    events::collections::all::RoomEvent,
+    events::room::message::{MessageEvent, MessageEventContent, TextMessageEventContent},
     identifiers::RoomId,
-    Client, ClientConfig,
+    Client, ClientConfig, SyncSettings,
 };
-use std::convert::TryFrom;
 use url::Url;
 use wasm_bindgen::prelude::*;
+use web_sys::console;
+
+struct WasmBot(Client);
+
+impl WasmBot {
+    async fn on_room_message(&self, room_id: &RoomId, event: RoomEvent) {
+        let msg_body = if let RoomEvent::RoomMessage(MessageEvent {
+            content: MessageEventContent::Text(TextMessageEventContent { body: msg_body, .. }),
+            ..
+        }) = event
+        {
+            msg_body.clone()
+        } else {
+            return;
+        };
+
+        console::log_1(&format!("Received message event {:?}", &msg_body).into());
+
+        if msg_body.starts_with("!party") {
+            let content = MessageEventContent::Text(TextMessageEventContent::new_plain(
+                "🎉🎊🥳 let's PARTY with wasm!! 🥳🎊🎉".to_string(),
+            ));
+
+            self.0.room_send(&room_id, content, None).await.unwrap();
+        }
+    }
+    async fn on_sync_response(&self, response: SyncResponse) {
+        console::log_1(&format!("Synced").into());
+
+        for (room_id, room) in response.rooms.join {
+            for event in room.timeline.events {
+                if let Ok(event) = event.deserialize() {
+                    self.on_room_message(&room_id, event).await
+                }
+            }
+        }
+    }
+}
 
 #[wasm_bindgen]
 pub async fn run() -> Result<JsValue, JsValue> {
@@ -18,20 +57,18 @@ pub async fn run() -> Result<JsValue, JsValue> {
     let client = Client::new_with_config(homeserver_url, None, client_config).unwrap();
 
     client
-        .login(username, password, None, Some("rust-sdk"))
+        .login(username, password, None, Some("rust-sdk-wasm"))
         .await
         .unwrap();
 
-    let room_id = RoomId::try_from("!KpLWMcXcHKDMfEYNqA:localhost").unwrap();
+    let bot = WasmBot(client.clone());
 
-    let content = MessageEventContent::Text(TextMessageEventContent {
-        body: "hello from wasm".to_string(),
-        format: None,
-        formatted_body: None,
-        relates_to: None,
-    });
+    client.sync(SyncSettings::default()).await.unwrap();
 
-    client.room_send(&room_id, content, None).await.unwrap();
+    let settings = SyncSettings::default().token(client.sync_token().await.unwrap());
+    client
+        .sync_forever(settings, |response| bot.on_sync_response(response))
+        .await;
 
     Ok(JsValue::NULL)
 }