Remove legacy group membership fields from backend

backend/canisters/community/CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Support muting of @everyone notifications ([#8496](https://github.com/open-chat-labs/open-chat/pull/8496))
 - Support muted=false && @everyone_muted=true ([#8502](https://github.com/open-chat-labs/open-chat/pull/8502))
+- Remove legacy group membership fields from backend ([#8508](https://github.com/open-chat-labs/open-chat/pull/8508))
 
 ### Fixed
 

backend/canisters/group/CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Support muting of @everyone notifications ([#8496](https://github.com/open-chat-labs/open-chat/pull/8496))
 - Support muted=false && @everyone_muted=true ([#8502](https://github.com/open-chat-labs/open-chat/pull/8502))
+- Remove legacy group membership fields from backend ([#8508](https://github.com/open-chat-labs/open-chat/pull/8508))
 
 ### Fixed
 

backend/canisters/group/impl/src/lib.rs

@@ -218,22 +218,15 @@ impl RuntimeState {
             latest_message: main_events_reader.latest_message_event(Some(member.user_id())),
             latest_event_index: main_events_reader.latest_event_index().unwrap_or_default(),
             latest_message_index: main_events_reader.latest_message_index(),
-            joined: membership.joined,
             participant_count: chat.members.len(),
-            role: membership.role,
-            mentions: membership.mentions.clone(),
             permissions_v2: chat.permissions.value.clone(),
-            notifications_muted: membership.notifications_muted,
             metrics: chat.events.metrics().hydrate(),
-            my_metrics: membership.my_metrics.clone(),
-            latest_threads: membership.latest_threads.clone(),
             frozen: self.data.frozen.value.clone(),
             wasm_version: BuildVersion::default(),
             date_last_pinned: chat.date_last_pinned,
             events_ttl: events_ttl.value,
             events_ttl_last_updated: events_ttl.timestamp,
             gate_config: chat.gate_config.value.clone().map(|gc| gc.into()),
-            rules_accepted: membership.rules_accepted,
             membership: Some(membership),
             video_call_in_progress: chat.events.video_call_in_progress(Some(member.user_id())),
             verified: self.data.verified.value,

backend/canisters/group/impl/src/queries/summary_updates.rs

@@ -84,17 +84,11 @@ fn summary_updates_impl(updates_since: TimestampMillis, on_behalf_of: Option<Pri
             latest_event_index: updates.latest_event_index,
             latest_message_index: updates.latest_message_index,
             participant_count: updates.member_count,
-            role: membership.role,
-            mentions: membership.mentions.clone(),
             permissions_v2: updates.permissions,
             updated_events: updates.updated_events,
             metrics: Some(chat.events.metrics().hydrate()),
-            my_metrics: membership.my_metrics.clone(),
             is_public: updates.is_public,
             messages_visible_to_non_members: updates.messages_visible_to_non_members,
-            latest_threads: membership.latest_threads.clone(),
-            unfollowed_threads: membership.unfollowed_threads.clone(),
-            notifications_muted: membership.notifications_muted,
             frozen: state
                 .data
                 .frozen
@@ -106,7 +100,6 @@ fn summary_updates_impl(updates_since: TimestampMillis, on_behalf_of: Option<Pri
             events_ttl: updates.events_ttl,
             events_ttl_last_updated: updates.events_ttl_last_updated,
             gate_config: updates.gate_config,
-            rules_accepted: membership.rules_accepted,
             membership: Some(membership),
             video_call_in_progress: updates.video_call_in_progress,
             any_updates_missed: updates.any_updates_missed,

backend/canisters/local_user_index/CHANGELOG.md

@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Temporarily remove check that user has recently signed in ([#8497](https://github.com/open-chat-labs/open-chat/pull/8497))
 - Support muting of @everyone notifications ([#8502](https://github.com/open-chat-labs/open-chat/pull/8502))
+- Remove legacy group membership fields from backend ([#8508](https://github.com/open-chat-labs/open-chat/pull/8508))
 
 ## [[2.0.1862](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.1862-local_user_index)] - 2025-08-12
 

backend/canisters/user/api/src/queries/initial_state.rs

@@ -3,8 +3,8 @@ use candid::CandidType;
 use serde::{Deserialize, Serialize};
 use ts_export::ts_export;
 use types::{
-    CanisterId, Chat, ChatId, ChitEvent, DirectChatSummary, Empty, GroupChatSummary, InstalledBotDetails, PinNumberSettings,
-    StreakInsurance, TimestampMillis, UserId,
+    CanisterId, Chat, ChatId, ChitEvent, DirectChatSummary, Empty, InstalledBotDetails, PinNumberSettings, StreakInsurance,
+    TimestampMillis, UserId,
 };
 
 pub type Args = Empty;
@@ -61,13 +61,6 @@ pub struct GroupChatsInitial {
     pub pinned: Vec<ChatId>,
 }
 
-#[ts_export(user, initial_state)]
-#[derive(CandidType, Serialize, Deserialize, Debug)]
-pub struct CachedGroupChatSummaries {
-    pub summaries: Vec<GroupChatSummary>,
-    pub timestamp: TimestampMillis,
-}
-
 #[ts_export(user, initial_state)]
 #[derive(CandidType, Serialize, Deserialize, Debug)]
 pub struct CommunitiesInitial {

backend/integration_tests/src/change_group_role_tests.rs

@@ -21,12 +21,12 @@ fn owner_can_promote_to_and_demote_from_owner() {
     client::group::happy_path::change_role(env, user1.principal, group_id, user2.user_id, GroupRole::Owner);
 
     let summary1 = client::group::happy_path::summary(env, user2.principal, group_id);
-    assert!(matches!(summary1.role, GroupRole::Owner));
+    assert!(matches!(summary1.membership.unwrap().role, GroupRole::Owner));
 
     client::group::happy_path::change_role(env, user1.principal, group_id, user2.user_id, GroupRole::Admin);
 
     let summary1 = client::group::happy_path::summary(env, user2.principal, group_id);
-    assert!(matches!(summary1.role, GroupRole::Admin));
+    assert!(matches!(summary1.membership.unwrap().role, GroupRole::Admin));
 }
 
 fn init_test_data(env: &mut PocketIc, canister_ids: &CanisterIds, controller: Principal) -> TestData {

backend/integration_tests/src/mentions_tests.rs

@@ -59,14 +59,16 @@ fn mention_users_succeeds(mention_everyone: bool) {
     ));
 
     let user2_summary = client::group::happy_path::summary(env, user2.principal, group_id);
-    assert_eq!(user2_summary.mentions.len(), 1);
-    let mention = user2_summary.mentions.first().unwrap();
+    let membership = user2_summary.membership.unwrap();
+    assert_eq!(membership.mentions.len(), 1);
+    let mention = membership.mentions.first().unwrap();
     assert_eq!(mention.message_index, 0.into());
     assert_eq!(mention.message_id, message_id);
 
     let user3_summary = client::group::happy_path::summary(env, user3.principal, group_id);
-    assert_eq!(user3_summary.mentions.len(), 1);
-    let mention = user3_summary.mentions.first().unwrap();
+    let membership = user3_summary.membership.unwrap();
+    assert_eq!(membership.mentions.len(), 1);
+    let mention = membership.mentions.first().unwrap();
     assert_eq!(mention.message_index, 0.into());
     assert_eq!(mention.message_id, message_id);
 }
@@ -134,14 +136,15 @@ fn mention_everyone_only_succeeds_if_authorized(authorized: bool) {
     ));
 
     let user1_summary = client::group::happy_path::summary(env, user1.principal, group_id);
+    let membership = user1_summary.membership.unwrap();
 
     if authorized {
-        assert_eq!(user1_summary.mentions.len(), 1);
-        let mention = user1_summary.mentions.first().unwrap();
+        assert_eq!(membership.mentions.len(), 1);
+        let mention = membership.mentions.first().unwrap();
         assert_eq!(mention.message_index, 0.into());
         assert_eq!(mention.message_id, message_id);
     } else {
-        assert!(user1_summary.mentions.is_empty())
+        assert!(membership.mentions.is_empty())
     }
 }
 
@@ -191,8 +194,9 @@ fn mentioned_in_thread_adds_user_as_follower() {
     );
 
     let summary = client::group::happy_path::summary(env, user2.principal, group_id);
-    assert_eq!(summary.mentions.len(), 1);
-    assert_eq!(summary.latest_threads.len(), 1);
+    let membership = summary.membership.unwrap();
+    assert_eq!(membership.mentions.len(), 1);
+    assert_eq!(membership.latest_threads.len(), 1);
 }
 
 fn init_test_data(env: &mut PocketIc, canister_ids: &CanisterIds, controller: Principal) -> TestData {

backend/libraries/types/src/chat_summary.rs

@@ -30,47 +30,6 @@ pub struct DirectChatSummary {
     pub video_call_in_progress: Option<VideoCall>,
 }
 
-#[ts_export]
-#[derive(CandidType, Serialize, Deserialize, Clone, Debug)]
-pub struct GroupChatSummary {
-    pub chat_id: ChatId,
-    pub local_user_index_canister_id: CanisterId,
-    pub last_updated: TimestampMillis,
-    pub name: String,
-    pub description: String,
-    pub subtype: Option<GroupSubtype>,
-    pub avatar_id: Option<u128>,
-    pub is_public: bool,
-    pub history_visible_to_new_joiners: bool,
-    pub messages_visible_to_non_members: bool,
-    pub min_visible_event_index: EventIndex,
-    pub min_visible_message_index: MessageIndex,
-    #[ts(as = "Option<crate::EventWrapperMessage>")]
-    pub latest_message: Option<EventWrapper<Message>>,
-    pub latest_event_index: EventIndex,
-    pub latest_message_index: Option<MessageIndex>,
-    pub joined: TimestampMillis,
-    pub read_by_me_up_to: Option<MessageIndex>,
-    pub notifications_muted: bool,
-    pub participant_count: u32,
-    pub role: GroupRole,
-    pub mentions: Vec<HydratedMention>,
-    pub wasm_version: BuildVersion,
-    pub permissions_v2: GroupPermissions,
-    pub metrics: ChatMetrics,
-    pub my_metrics: ChatMetrics,
-    pub latest_threads: Vec<ThreadSyncDetails>,
-    pub archived: bool,
-    pub frozen: Option<FrozenGroupInfo>,
-    pub date_last_pinned: Option<TimestampMillis>,
-    pub date_read_pinned: Option<TimestampMillis>,
-    pub events_ttl: Option<Milliseconds>,
-    pub events_ttl_last_updated: TimestampMillis,
-    pub gate_config: Option<AccessGateConfig>,
-    pub rules_accepted: bool,
-    pub video_call_in_progress: Option<VideoCall>,
-}
-
 #[ts_export]
 #[derive(CandidType, Serialize, Deserialize, Clone, Debug)]
 pub struct DirectChatSummaryUpdates {
@@ -141,22 +100,15 @@ pub struct GroupCanisterGroupChatSummary {
     pub latest_message: Option<EventWrapper<Message>>,
     pub latest_event_index: EventIndex,
     pub latest_message_index: Option<MessageIndex>,
-    pub joined: TimestampMillis,
     pub participant_count: u32,
-    pub role: GroupRole,
-    pub mentions: Vec<HydratedMention>,
     pub wasm_version: BuildVersion,
     pub permissions_v2: GroupPermissions,
-    pub notifications_muted: bool,
     pub metrics: ChatMetrics,
-    pub my_metrics: ChatMetrics,
-    pub latest_threads: Vec<GroupCanisterThreadDetails>,
     pub frozen: Option<FrozenGroupInfo>,
     pub date_last_pinned: Option<TimestampMillis>,
     pub events_ttl: Option<Milliseconds>,
     pub events_ttl_last_updated: TimestampMillis,
     pub gate_config: Option<AccessGateConfig>,
-    pub rules_accepted: bool,
     pub membership: Option<GroupMembership>,
     pub video_call_in_progress: Option<VideoCall>,
     pub verified: bool,
@@ -178,18 +130,12 @@ pub struct GroupCanisterGroupChatSummaryUpdates {
     pub latest_event_index: Option<EventIndex>,
     pub latest_message_index: Option<MessageIndex>,
     pub participant_count: Option<u32>,
-    pub role: Option<GroupRole>,
-    pub mentions: Vec<HydratedMention>,
     pub wasm_version: Option<BuildVersion>,
     pub permissions_v2: Option<GroupPermissions>,
     pub updated_events: Vec<(Option<MessageIndex>, EventIndex, TimestampMillis)>, // (Thread root message index, event index, timestamp)
     pub metrics: Option<ChatMetrics>,
-    pub my_metrics: Option<ChatMetrics>,
     pub is_public: Option<bool>,
     pub messages_visible_to_non_members: Option<bool>,
-    pub latest_threads: Vec<GroupCanisterThreadDetails>,
-    pub unfollowed_threads: Vec<MessageIndex>,
-    pub notifications_muted: Option<bool>,
     #[ts(as = "crate::OptionUpdateFrozenGroupInfo")]
     pub frozen: OptionUpdate<FrozenGroupInfo>,
     pub date_last_pinned: Option<TimestampMillis>,
@@ -198,7 +144,6 @@ pub struct GroupCanisterGroupChatSummaryUpdates {
     pub events_ttl_last_updated: Option<TimestampMillis>,
     #[ts(as = "crate::OptionUpdateAccessGateConfig")]
     pub gate_config: OptionUpdate<AccessGateConfig>,
-    pub rules_accepted: Option<bool>,
     pub membership: Option<GroupMembershipUpdates>,
     #[ts(as = "crate::OptionUpdateVideoCall")]
     pub video_call_in_progress: OptionUpdate<VideoCall>,