feat(ffi): expose latest json

Signed-off-by: Philippe Bertin <pbertin@teladochealth.com>

bindings/matrix-sdk-ffi/CHANGELOG.md

@@ -47,10 +47,11 @@ All notable changes to this project will be documented in this file.
   flags for selecting TLS backend, as `rustls` is the now the only supported
   TLS backend.
   ([#6409](https://github.com/matrix-org/matrix-rust-sdk/pull/6409))
-- Expose `event_type_raw` and `latest_content_raw()` on `EventTimelineItem`,
-  allowing clients to access the raw event type string and content JSON for
+- Expose `event_type_raw` and `latest_json()` on `EventTimelineItem`,
+  allowing clients to access the raw event type string and full event JSON for
   custom event handling without pattern-matching through nested enums.
   ([#6387](https://github.com/matrix-org/matrix-rust-sdk/pull/6387))
+  ([#6424](https://github.com/matrix-org/matrix-rust-sdk/pull/6424))
 - Expose sync v2 API through FFI via `Client.sync_v2()` and
   `Client.sync_once_v2()`, enabling mobile clients to sync without
   requiring Sliding Sync support on the homeserver. `Client.sync_v2()`

bindings/matrix-sdk-ffi/src/timeline/mod.rs

@@ -1327,14 +1327,11 @@ impl LazyTimelineItemProvider {
         self.0.contains_only_emojis()
     }
 
-    /// Returns the JSON string of the event's `content` field from the latest
-    /// version (including edits). Returns `None` for local echoes that haven't
-    /// been echoed back by the server yet.
-    fn latest_content_raw(&self) -> Option<String> {
-        let raw = self.0.latest_json()?;
-        let value: serde_json::Value = serde_json::from_str(raw.json().get()).ok()?;
-        let content = value.get("content")?;
-        serde_json::to_string(content).ok()
+    /// Returns the full raw JSON string of the latest version of the event
+    /// (including edits). Returns `None` for local echoes that haven't been
+    /// echoed back by the server yet.
+    fn latest_json(&self) -> Option<String> {
+        Some(self.0.latest_json()?.json().get().to_owned())
     }
 }