From 6aea4c827a8472abff782b08c2e4bfe2bfe96f8f Mon Sep 17 00:00:00 2001
From: Benjamin Bouvier <benjamin@bouvier.cc>
Date: Mon, 3 Mar 2025 16:21:49 +0100
Subject: [PATCH] feat(ffi): allow setting the media retention policy from the
 FFI layer

---
 bindings/matrix-sdk-ffi/src/client.rs             | 15 ++++++++++++++-
 .../store/media/media_retention_policy.rs         |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/bindings/matrix-sdk-ffi/src/client.rs b/bindings/matrix-sdk-ffi/src/client.rs
index 2301b1595..e48517114 100644
--- a/bindings/matrix-sdk-ffi/src/client.rs
+++ b/bindings/matrix-sdk-ffi/src/client.rs
@@ -21,7 +21,7 @@ use matrix_sdk::{
     event_cache::EventCacheError,
     media::{
         MediaFileHandle as SdkMediaFileHandle, MediaFormat, MediaRequestParameters,
-        MediaThumbnailSettings,
+        MediaRetentionPolicy, MediaThumbnailSettings,
     },
     ruma::{
         api::client::{
@@ -1161,6 +1161,19 @@ impl Client {
         self.inner.is_room_alias_available(&alias).await.map_err(Into::into)
     }
 
+    /// Set the media retention policy.
+    pub async fn set_media_retention_policy(
+        &self,
+        policy: MediaRetentionPolicy,
+    ) -> Result<(), ClientError> {
+        let closure = async || -> Result<_, EventCacheError> {
+            let store = self.inner.event_cache_store().lock().await?;
+            Ok(store.set_media_retention_policy(policy).await?)
+        };
+
+        Ok(closure().await?)
+    }
+
     /// Clear all the non-critical caches for this Client instance.
     ///
     /// - This will empty all the room's persisted event caches, so all rooms
diff --git a/crates/matrix-sdk-base/src/event_cache/store/media/media_retention_policy.rs b/crates/matrix-sdk-base/src/event_cache/store/media/media_retention_policy.rs
index 92757fd72..4128c8ec0 100644
--- a/crates/matrix-sdk-base/src/event_cache/store/media/media_retention_policy.rs
+++ b/crates/matrix-sdk-base/src/event_cache/store/media/media_retention_policy.rs
@@ -33,6 +33,7 @@ use serde::{Deserialize, Serialize};
 ///
 /// [`EventCacheStore`]: crate::event_cache::store::EventCacheStore
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
+#[cfg_attr(feature = "uniffi", derive(uniffi::Record))]
 #[non_exhaustive]
 pub struct MediaRetentionPolicy {
     /// The maximum authorized size of the overall media cache, in bytes.