chore: merge with config setting

frontend/rust-lib/flowy-document/src/editor/document.rs

@@ -1,6 +1,6 @@
 use bytes::Bytes;
 use flowy_error::{FlowyError, FlowyResult};
-use flowy_revision::{RevisionCompress, RevisionObjectDeserializer, RevisionObjectSerializer};
+use flowy_revision::{RevisionMergeable, RevisionObjectDeserializer, RevisionObjectSerializer};
 use flowy_sync::entities::revision::Revision;
 use lib_ot::core::{Extension, NodeDataBuilder, NodeOperation, NodeTree, NodeTreeContext, Selection, Transaction};
 use lib_ot::text_delta::DeltaTextOperationBuilder;
@@ -96,7 +96,7 @@ impl RevisionObjectSerializer for DocumentRevisionSerde {
 }
 
 pub(crate) struct DocumentRevisionCompress();
-impl RevisionCompress for DocumentRevisionCompress {
+impl RevisionMergeable for DocumentRevisionCompress {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         DocumentRevisionSerde::combine_revisions(revisions)
     }

frontend/rust-lib/flowy-document/src/manager.rs

@@ -9,7 +9,8 @@ use dashmap::DashMap;
 use flowy_database::ConnectionPool;
 use flowy_error::FlowyResult;
 use flowy_revision::{
-    RevisionCloudService, RevisionManager, RevisionPersistence, RevisionWebSocket, SQLiteRevisionSnapshotPersistence,
+    RevisionCloudService, RevisionManager, RevisionPersistence, RevisionPersistenceConfiguration, RevisionWebSocket,
+    SQLiteRevisionSnapshotPersistence,
 };
 use flowy_sync::client_document::initial_delta_document_content;
 use flowy_sync::entities::{document::DocumentIdPB, revision::Revision, ws_data::ServerRevisionWSData};
@@ -246,7 +247,8 @@ impl DocumentManager {
     ) -> Result<RevisionManager<Arc<ConnectionPool>>, FlowyError> {
         let user_id = self.user.user_id()?;
         let disk_cache = SQLiteDocumentRevisionPersistence::new(&user_id, pool.clone());
-        let rev_persistence = RevisionPersistence::new(&user_id, doc_id, disk_cache);
+        let configuration = RevisionPersistenceConfiguration::default();
+        let rev_persistence = RevisionPersistence::new(&user_id, doc_id, disk_cache, configuration);
         // let history_persistence = SQLiteRevisionHistoryPersistence::new(doc_id, pool.clone());
         let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(doc_id, pool);
         Ok(RevisionManager::new(
@@ -266,7 +268,8 @@ impl DocumentManager {
     ) -> Result<RevisionManager<Arc<ConnectionPool>>, FlowyError> {
         let user_id = self.user.user_id()?;
         let disk_cache = SQLiteDeltaDocumentRevisionPersistence::new(&user_id, pool.clone());
-        let rev_persistence = RevisionPersistence::new(&user_id, doc_id, disk_cache);
+        let configuration = RevisionPersistenceConfiguration::default();
+        let rev_persistence = RevisionPersistence::new(&user_id, doc_id, disk_cache, configuration);
         // let history_persistence = SQLiteRevisionHistoryPersistence::new(doc_id, pool.clone());
         let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(doc_id, pool);
         Ok(RevisionManager::new(

frontend/rust-lib/flowy-document/src/old_editor/editor.rs

@@ -6,7 +6,7 @@ use bytes::Bytes;
 use flowy_database::ConnectionPool;
 use flowy_error::{internal_error, FlowyResult};
 use flowy_revision::{
-    RevisionCloudService, RevisionCompress, RevisionManager, RevisionObjectDeserializer, RevisionObjectSerializer,
+    RevisionCloudService, RevisionManager, RevisionMergeable, RevisionObjectDeserializer, RevisionObjectSerializer,
     RevisionWebSocket,
 };
 use flowy_sync::entities::ws_data::ServerRevisionWSData;
@@ -270,7 +270,7 @@ impl RevisionObjectSerializer for DeltaDocumentRevisionSerde {
 }
 
 pub(crate) struct DeltaDocumentRevisionCompress();
-impl RevisionCompress for DeltaDocumentRevisionCompress {
+impl RevisionMergeable for DeltaDocumentRevisionCompress {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         DeltaDocumentRevisionSerde::combine_revisions(revisions)
     }

frontend/rust-lib/flowy-document/src/old_editor/queue.rs

@@ -23,6 +23,7 @@ use tokio::sync::{oneshot, RwLock};
 // serial.
 pub(crate) struct EditDocumentQueue {
     document: Arc<RwLock<ClientDocument>>,
+    #[allow(dead_code)]
     user: Arc<dyn DocumentUser>,
     rev_manager: Arc<RevisionManager<Arc<ConnectionPool>>>,
     receiver: Option<EditorCommandReceiver>,

frontend/rust-lib/flowy-document/src/services/persistence/rev_sqlite/document_rev_sqlite_v0.rs

@@ -244,7 +244,7 @@ impl std::default::Default for TextRevisionState {
     }
 }
 
-fn mk_revision_record_from_table(user_id: &str, table: RevisionTable) -> SyncRecord {
+fn mk_revision_record_from_table(_user_id: &str, table: RevisionTable) -> SyncRecord {
     let md5 = md5(&table.data);
     let revision = Revision::new(
         &table.doc_id,

frontend/rust-lib/flowy-document/src/services/persistence/rev_sqlite/document_rev_sqlite_v1.rs

@@ -220,7 +220,7 @@ impl std::default::Default for DocumentRevisionState {
     }
 }
 
-fn mk_revision_record_from_table(user_id: &str, table: DocumentRevisionTable) -> SyncRecord {
+fn mk_revision_record_from_table(_user_id: &str, table: DocumentRevisionTable) -> SyncRecord {
     let md5 = md5(&table.data);
     let revision = Revision::new(
         &table.document_id,

frontend/rust-lib/flowy-folder/src/manager.rs

@@ -15,7 +15,10 @@ use bytes::Bytes;
 use flowy_document::editor::initial_read_me;
 use flowy_error::FlowyError;
 use flowy_folder_data_model::user_default;
-use flowy_revision::{RevisionManager, RevisionPersistence, RevisionWebSocket, SQLiteRevisionSnapshotPersistence};
+use flowy_revision::{
+    RevisionManager, RevisionPersistence, RevisionPersistenceConfiguration, RevisionWebSocket,
+    SQLiteRevisionSnapshotPersistence,
+};
 use flowy_sync::{client_folder::FolderPad, entities::ws_data::ServerRevisionWSData};
 use lazy_static::lazy_static;
 use lib_infra::future::FutureResult;
@@ -165,7 +168,8 @@ impl FolderManager {
         let pool = self.persistence.db_pool()?;
         let object_id = folder_id.as_ref();
         let disk_cache = SQLiteFolderRevisionPersistence::new(user_id, pool.clone());
-        let rev_persistence = RevisionPersistence::new(user_id, object_id, disk_cache);
+        let configuration = RevisionPersistenceConfiguration::new(50);
+        let rev_persistence = RevisionPersistence::new(user_id, object_id, disk_cache, configuration);
         let rev_compactor = FolderRevisionCompress();
         // let history_persistence = SQLiteRevisionHistoryPersistence::new(object_id, pool.clone());
         let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(object_id, pool);

frontend/rust-lib/flowy-folder/src/services/folder_editor.rs

@@ -2,7 +2,7 @@ use crate::manager::FolderId;
 use bytes::Bytes;
 use flowy_error::{FlowyError, FlowyResult};
 use flowy_revision::{
-    RevisionCloudService, RevisionCompress, RevisionManager, RevisionObjectDeserializer, RevisionObjectSerializer,
+    RevisionCloudService, RevisionManager, RevisionMergeable, RevisionObjectDeserializer, RevisionObjectSerializer,
     RevisionWebSocket,
 };
 use flowy_sync::util::make_operations_from_revisions;
@@ -18,9 +18,8 @@ use parking_lot::RwLock;
 use std::sync::Arc;
 
 pub struct FolderEditor {
-    user_id: String,
     #[allow(dead_code)]
-    pub(crate) folder_id: FolderId,
+    user_id: String,
     pub(crate) folder: Arc<RwLock<FolderPad>>,
     rev_manager: Arc<RevisionManager<Arc<ConnectionPool>>>,
     #[cfg(feature = "sync")]
@@ -56,7 +55,6 @@ impl FolderEditor {
         let folder_id = folder_id.to_owned();
         Ok(Self {
             user_id,
-            folder_id,
             folder,
             rev_manager,
             #[cfg(feature = "sync")]
@@ -113,7 +111,7 @@ impl RevisionObjectSerializer for FolderRevisionSerde {
 }
 
 pub struct FolderRevisionCompress();
-impl RevisionCompress for FolderRevisionCompress {
+impl RevisionMergeable for FolderRevisionCompress {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         FolderRevisionSerde::combine_revisions(revisions)
     }

frontend/rust-lib/flowy-folder/src/services/persistence/rev_sqlite/folder_rev_sqlite.rs

@@ -220,7 +220,7 @@ impl std::default::Default for TextRevisionState {
     }
 }
 
-fn mk_revision_record_from_table(user_id: &str, table: RevisionTable) -> SyncRecord {
+fn mk_revision_record_from_table(_user_id: &str, table: RevisionTable) -> SyncRecord {
     let md5 = md5(&table.data);
     let revision = Revision::new(
         &table.doc_id,

frontend/rust-lib/flowy-grid/src/manager.rs

@@ -13,7 +13,10 @@ use dashmap::DashMap;
 use flowy_database::ConnectionPool;
 use flowy_error::{FlowyError, FlowyResult};
 use flowy_grid_data_model::revision::{BuildGridContext, GridRevision, GridViewRevision};
-use flowy_revision::{RevisionManager, RevisionPersistence, RevisionWebSocket, SQLiteRevisionSnapshotPersistence};
+use flowy_revision::{
+    RevisionManager, RevisionPersistence, RevisionPersistenceConfiguration, RevisionWebSocket,
+    SQLiteRevisionSnapshotPersistence,
+};
 use flowy_sync::client_grid::{make_grid_block_operations, make_grid_operations, make_grid_view_operations};
 use flowy_sync::entities::revision::Revision;
 use std::sync::Arc;
@@ -161,7 +164,8 @@ impl GridManager {
     ) -> FlowyResult<RevisionManager<Arc<ConnectionPool>>> {
         let user_id = self.grid_user.user_id()?;
         let disk_cache = SQLiteGridRevisionPersistence::new(&user_id, pool.clone());
-        let rev_persistence = RevisionPersistence::new(&user_id, grid_id, disk_cache);
+        let configuration = RevisionPersistenceConfiguration::default();
+        let rev_persistence = RevisionPersistence::new(&user_id, grid_id, disk_cache, configuration);
         let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(grid_id, pool);
         let rev_compactor = GridRevisionCompress();
         let rev_manager = RevisionManager::new(&user_id, grid_id, rev_persistence, rev_compactor, snapshot_persistence);
@@ -175,7 +179,8 @@ impl GridManager {
     ) -> FlowyResult<RevisionManager<Arc<ConnectionPool>>> {
         let user_id = self.grid_user.user_id()?;
         let disk_cache = SQLiteGridBlockRevisionPersistence::new(&user_id, pool.clone());
-        let rev_persistence = RevisionPersistence::new(&user_id, block_id, disk_cache);
+        let configuration = RevisionPersistenceConfiguration::default();
+        let rev_persistence = RevisionPersistence::new(&user_id, block_id, disk_cache, configuration);
         let rev_compactor = GridBlockRevisionCompress();
         let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(block_id, pool);
         let rev_manager =
@@ -185,7 +190,7 @@ impl GridManager {
 }
 
 pub async fn make_grid_view_data(
-    user_id: &str,
+    _user_id: &str,
     view_id: &str,
     layout: GridLayout,
     grid_manager: Arc<GridManager>,

frontend/rust-lib/flowy-grid/src/services/block_editor.rs

@@ -3,7 +3,7 @@ use bytes::Bytes;
 use flowy_error::{FlowyError, FlowyResult};
 use flowy_grid_data_model::revision::{CellRevision, GridBlockRevision, RowChangeset, RowRevision};
 use flowy_revision::{
-    RevisionCloudService, RevisionCompress, RevisionManager, RevisionObjectDeserializer, RevisionObjectSerializer,
+    RevisionCloudService, RevisionManager, RevisionMergeable, RevisionObjectDeserializer, RevisionObjectSerializer,
 };
 use flowy_sync::client_grid::{GridBlockRevisionChangeset, GridBlockRevisionPad};
 use flowy_sync::entities::revision::Revision;
@@ -17,6 +17,7 @@ use std::sync::Arc;
 use tokio::sync::RwLock;
 
 pub struct GridBlockRevisionEditor {
+    #[allow(dead_code)]
     user_id: String,
     pub block_id: String,
     pad: Arc<RwLock<GridBlockRevisionPad>>,
@@ -204,7 +205,7 @@ impl RevisionObjectSerializer for GridBlockRevisionSerde {
 }
 
 pub struct GridBlockRevisionCompress();
-impl RevisionCompress for GridBlockRevisionCompress {
+impl RevisionMergeable for GridBlockRevisionCompress {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         GridBlockRevisionSerde::combine_revisions(revisions)
     }

frontend/rust-lib/flowy-grid/src/services/block_manager.rs

@@ -10,7 +10,9 @@ use flowy_error::FlowyResult;
 use flowy_grid_data_model::revision::{
     GridBlockMetaRevision, GridBlockMetaRevisionChangeset, RowChangeset, RowRevision,
 };
-use flowy_revision::{RevisionManager, RevisionPersistence, SQLiteRevisionSnapshotPersistence};
+use flowy_revision::{
+    RevisionManager, RevisionPersistence, RevisionPersistenceConfiguration, SQLiteRevisionSnapshotPersistence,
+};
 use std::borrow::Cow;
 use std::collections::HashMap;
 use std::sync::Arc;
@@ -273,7 +275,8 @@ async fn make_block_editor(user: &Arc<dyn GridUser>, block_id: &str) -> FlowyRes
     let pool = user.db_pool()?;
 
     let disk_cache = SQLiteGridBlockRevisionPersistence::new(&user_id, pool.clone());
-    let rev_persistence = RevisionPersistence::new(&user_id, block_id, disk_cache);
+    let configuration = RevisionPersistenceConfiguration::default();
+    let rev_persistence = RevisionPersistence::new(&user_id, block_id, disk_cache, configuration);
     let rev_compactor = GridBlockRevisionCompress();
     let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(block_id, pool);
     let rev_manager = RevisionManager::new(&user_id, block_id, rev_persistence, rev_compactor, snapshot_persistence);

frontend/rust-lib/flowy-grid/src/services/grid_editor.rs

@@ -17,7 +17,7 @@ use bytes::Bytes;
 use flowy_error::{ErrorCode, FlowyError, FlowyResult};
 use flowy_grid_data_model::revision::*;
 use flowy_revision::{
-    RevisionCloudService, RevisionCompress, RevisionManager, RevisionObjectDeserializer, RevisionObjectSerializer,
+    RevisionCloudService, RevisionManager, RevisionMergeable, RevisionObjectDeserializer, RevisionObjectSerializer,
 };
 use flowy_sync::client_grid::{GridRevisionChangeset, GridRevisionPad, JsonDeserializer};
 use flowy_sync::entities::revision::Revision;
@@ -33,6 +33,7 @@ use tokio::sync::RwLock;
 
 pub struct GridRevisionEditor {
     pub grid_id: String,
+    #[allow(dead_code)]
     user: Arc<dyn GridUser>,
     grid_pad: Arc<RwLock<GridRevisionPad>>,
     view_manager: Arc<GridViewManager>,
@@ -846,7 +847,7 @@ impl RevisionCloudService for GridRevisionCloudService {
 
 pub struct GridRevisionCompress();
 
-impl RevisionCompress for GridRevisionCompress {
+impl RevisionMergeable for GridRevisionCompress {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         GridRevisionSerde::combine_revisions(revisions)
     }

frontend/rust-lib/flowy-grid/src/services/grid_view_editor.rs

@@ -19,7 +19,7 @@ use flowy_grid_data_model::revision::{
     RowChangeset, RowRevision,
 };
 use flowy_revision::{
-    RevisionCloudService, RevisionCompress, RevisionManager, RevisionObjectDeserializer, RevisionObjectSerializer,
+    RevisionCloudService, RevisionManager, RevisionMergeable, RevisionObjectDeserializer, RevisionObjectSerializer,
 };
 use flowy_sync::client_grid::{GridViewRevisionChangeset, GridViewRevisionPad};
 use flowy_sync::entities::revision::Revision;
@@ -454,7 +454,7 @@ async fn new_group_controller_with_field_rev(
 }
 
 async fn apply_change(
-    user_id: &str,
+    _user_id: &str,
     rev_manager: Arc<RevisionManager<Arc<ConnectionPool>>>,
     change: GridViewRevisionChangeset,
 ) -> FlowyResult<()> {
@@ -496,7 +496,7 @@ impl RevisionObjectSerializer for GridViewRevisionSerde {
 }
 
 pub struct GridViewRevisionCompress();
-impl RevisionCompress for GridViewRevisionCompress {
+impl RevisionMergeable for GridViewRevisionCompress {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         GridViewRevisionSerde::combine_revisions(revisions)
     }

frontend/rust-lib/flowy-grid/src/services/grid_view_manager.rs

@@ -11,7 +11,9 @@ use dashmap::DashMap;
 use flowy_database::ConnectionPool;
 use flowy_error::FlowyResult;
 use flowy_grid_data_model::revision::{FieldRevision, RowChangeset, RowRevision};
-use flowy_revision::{RevisionManager, RevisionPersistence, SQLiteRevisionSnapshotPersistence};
+use flowy_revision::{
+    RevisionManager, RevisionPersistence, RevisionPersistenceConfiguration, SQLiteRevisionSnapshotPersistence,
+};
 use lib_infra::future::AFFuture;
 use std::sync::Arc;
 
@@ -253,7 +255,8 @@ pub async fn make_grid_view_rev_manager(
     let pool = user.db_pool()?;
 
     let disk_cache = SQLiteGridViewRevisionPersistence::new(&user_id, pool.clone());
-    let rev_persistence = RevisionPersistence::new(&user_id, view_id, disk_cache);
+    let configuration = RevisionPersistenceConfiguration::default();
+    let rev_persistence = RevisionPersistence::new(&user_id, view_id, disk_cache, configuration);
     let rev_compactor = GridViewRevisionCompress();
 
     let snapshot_persistence = SQLiteRevisionSnapshotPersistence::new(view_id, pool);

frontend/rust-lib/flowy-grid/src/services/persistence/rev_sqlite/grid_block_impl.rs

@@ -219,7 +219,7 @@ impl std::default::Default for GridBlockRevisionState {
     }
 }
 
-fn mk_revision_record_from_table(user_id: &str, table: GridBlockRevisionTable) -> SyncRecord {
+fn mk_revision_record_from_table(_user_id: &str, table: GridBlockRevisionTable) -> SyncRecord {
     let md5 = md5(&table.data);
     let revision = Revision::new(
         &table.object_id,

frontend/rust-lib/flowy-grid/src/services/persistence/rev_sqlite/grid_impl.rs

@@ -217,7 +217,7 @@ impl std::default::Default for GridRevisionState {
     }
 }
 
-fn mk_revision_record_from_table(user_id: &str, table: GridRevisionTable) -> SyncRecord {
+fn mk_revision_record_from_table(_user_id: &str, table: GridRevisionTable) -> SyncRecord {
     let md5 = md5(&table.data);
     let revision = Revision::new(
         &table.object_id,

frontend/rust-lib/flowy-grid/src/services/persistence/rev_sqlite/grid_view_impl.rs

@@ -219,7 +219,7 @@ impl std::default::Default for GridViewRevisionState {
     }
 }
 
-fn mk_revision_record_from_table(user_id: &str, table: GridViewRevisionTable) -> SyncRecord {
+fn mk_revision_record_from_table(_user_id: &str, table: GridViewRevisionTable) -> SyncRecord {
     let md5 = md5(&table.data);
     let revision = Revision::new(
         &table.object_id,

frontend/rust-lib/flowy-revision/src/cache/memory.rs

@@ -88,6 +88,10 @@ impl RevisionMemoryCache {
         Ok(revs)
     }
 
+    pub(crate) fn number_of_sync_records(&self) -> usize {
+        self.revs_map.len()
+    }
+
     pub(crate) async fn reset_with_revisions(&self, revision_records: Vec<SyncRecord>) {
         self.revs_map.clear();
         if let Some(handler) = self.defer_save.write().await.take() {

frontend/rust-lib/flowy-revision/src/cache/reset.rs

@@ -1,5 +1,5 @@
 use crate::disk::{RevisionDiskCache, SyncRecord};
-use crate::{RevisionLoader, RevisionPersistence};
+use crate::{RevisionLoader, RevisionPersistence, RevisionPersistenceConfiguration};
 use bytes::Bytes;
 use flowy_error::{FlowyError, FlowyResult};
 use flowy_sync::entities::revision::Revision;
@@ -60,10 +60,12 @@ where
     }
 
     async fn reset_object(&self) -> FlowyResult<()> {
+        let configuration = RevisionPersistenceConfiguration::new(2);
         let rev_persistence = Arc::new(RevisionPersistence::from_disk_cache(
             &self.user_id,
             self.target.target_id(),
             self.disk_cache.clone(),
+            configuration,
         ));
         let (revisions, _) = RevisionLoader {
             object_id: self.target.target_id().to_owned(),

frontend/rust-lib/flowy-revision/src/conflict_resolve.rs

@@ -151,7 +151,7 @@ where
 }
 
 fn make_client_and_server_revision<Operations, Connection>(
-    user_id: &str,
+    _user_id: &str,
     rev_manager: &Arc<RevisionManager<Connection>>,
     client_operations: Operations,
     server_operations: Option<Operations>,

frontend/rust-lib/flowy-revision/src/rev_manager.rs

@@ -42,13 +42,8 @@ pub trait RevisionObjectSerializer: Send + Sync {
 
 /// `RevisionCompress` is used to compress multiple revisions into one revision
 ///
-pub trait RevisionCompress: Send + Sync {
-    fn compress_revisions(
-        &self,
-        user_id: &str,
-        object_id: &str,
-        mut revisions: Vec<Revision>,
-    ) -> FlowyResult<Revision> {
+pub trait RevisionMergeable: Send + Sync {
+    fn merge_revisions(&self, _user_id: &str, object_id: &str, mut revisions: Vec<Revision>) -> FlowyResult<Revision> {
         if revisions.is_empty() {
             return Err(FlowyError::internal().context("Can't compact the empty revisions"));
         }
@@ -69,18 +64,6 @@ pub trait RevisionCompress: Send + Sync {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes>;
 }
 
-pub struct RevisionConfiguration {
-    merge_when_excess_number_of_version: i64,
-}
-
-impl std::default::Default for RevisionConfiguration {
-    fn default() -> Self {
-        Self {
-            merge_when_excess_number_of_version: 100,
-        }
-    }
-}
-
 pub struct RevisionManager<Connection> {
     pub object_id: String,
     user_id: String,
@@ -88,10 +71,9 @@ pub struct RevisionManager<Connection> {
     rev_persistence: Arc<RevisionPersistence<Connection>>,
     #[allow(dead_code)]
     rev_snapshot: Arc<RevisionSnapshotManager>,
-    rev_compress: Arc<dyn RevisionCompress>,
+    rev_compress: Arc<dyn RevisionMergeable>,
     #[cfg(feature = "flowy_unit_test")]
     rev_ack_notifier: tokio::sync::broadcast::Sender<i64>,
-    // configuration: RevisionConfiguration,
 }
 
 impl<Connection: 'static> RevisionManager<Connection> {
@@ -104,7 +86,7 @@ impl<Connection: 'static> RevisionManager<Connection> {
     ) -> Self
     where
         SP: 'static + RevisionSnapshotDiskCache,
-        C: 'static + RevisionCompress,
+        C: 'static + RevisionMergeable,
     {
         let rev_id_counter = RevIdCounter::new(0);
         let rev_compress = Arc::new(rev_compress);
@@ -213,6 +195,10 @@ impl<Connection: 'static> RevisionManager<Connection> {
         (cur, next)
     }
 
+    pub fn number_of_sync_revisions(&self) -> usize {
+        self.rev_persistence.number_of_sync_records()
+    }
+
     pub async fn get_revisions_in_range(&self, range: RevisionRange) -> Result<Vec<Revision>, FlowyError> {
         let revisions = self.rev_persistence.revisions_in_range(&range).await?;
         Ok(revisions)

frontend/rust-lib/flowy-revision/src/rev_persistence.rs

@@ -4,7 +4,7 @@ use crate::cache::{
 };
 use crate::disk::{RevisionState, SyncRecord};
 use crate::memory::RevisionMemoryCache;
-use crate::RevisionCompress;
+use crate::RevisionMergeable;
 use flowy_error::{internal_error, FlowyError, FlowyResult};
 use flowy_sync::entities::revision::{Revision, RevisionRange};
 use std::collections::VecDeque;
@@ -14,30 +14,58 @@ use tokio::task::spawn_blocking;
 
 pub const REVISION_WRITE_INTERVAL_IN_MILLIS: u64 = 600;
 
+pub struct RevisionPersistenceConfiguration {
+    merge_threshold: usize,
+}
+
+impl RevisionPersistenceConfiguration {
+    pub fn new(merge_threshold: usize) -> Self {
+        debug_assert!(merge_threshold > 1);
+        if merge_threshold > 1 {
+            Self { merge_threshold }
+        } else {
+            Self { merge_threshold: 2 }
+        }
+    }
+}
+
+impl std::default::Default for RevisionPersistenceConfiguration {
+    fn default() -> Self {
+        Self { merge_threshold: 2 }
+    }
+}
+
 pub struct RevisionPersistence<Connection> {
     user_id: String,
     object_id: String,
     disk_cache: Arc<dyn RevisionDiskCache<Connection, Error = FlowyError>>,
     memory_cache: Arc<RevisionMemoryCache>,
     sync_seq: RwLock<DeferSyncSequence>,
+    configuration: RevisionPersistenceConfiguration,
 }
 
 impl<Connection> RevisionPersistence<Connection>
 where
     Connection: 'static,
 {
-    pub fn new<C>(user_id: &str, object_id: &str, disk_cache: C) -> RevisionPersistence<Connection>
+    pub fn new<C>(
+        user_id: &str,
+        object_id: &str,
+        disk_cache: C,
+        configuration: RevisionPersistenceConfiguration,
+    ) -> RevisionPersistence<Connection>
     where
         C: 'static + RevisionDiskCache<Connection, Error = FlowyError>,
     {
         let disk_cache = Arc::new(disk_cache) as Arc<dyn RevisionDiskCache<Connection, Error = FlowyError>>;
-        Self::from_disk_cache(user_id, object_id, disk_cache)
+        Self::from_disk_cache(user_id, object_id, disk_cache, configuration)
     }
 
     pub fn from_disk_cache(
         user_id: &str,
         object_id: &str,
         disk_cache: Arc<dyn RevisionDiskCache<Connection, Error = FlowyError>>,
+        configuration: RevisionPersistenceConfiguration,
     ) -> RevisionPersistence<Connection> {
         let object_id = object_id.to_owned();
         let user_id = user_id.to_owned();
@@ -49,6 +77,7 @@ where
             disk_cache,
             memory_cache,
             sync_seq,
+            configuration,
         }
     }
 
@@ -64,7 +93,7 @@ where
     pub(crate) async fn sync_revision(&self, revision: &Revision) -> FlowyResult<()> {
         tracing::Span::current().record("rev_id", &revision.rev_id);
         self.add(revision.clone(), RevisionState::Sync, false).await?;
-        self.sync_seq.write().await.add(revision.rev_id)?;
+        self.sync_seq.write().await.dry_push(revision.rev_id)?;
         Ok(())
     }
 
@@ -72,44 +101,39 @@ where
     #[tracing::instrument(level = "trace", skip_all, fields(rev_id, compact_range, object_id=%self.object_id), err)]
     pub(crate) async fn add_sync_revision<'a>(
         &'a self,
-        revision: &'a Revision,
-        rev_compress: &Arc<dyn RevisionCompress + 'a>,
+        new_revision: &'a Revision,
+        rev_compress: &Arc<dyn RevisionMergeable + 'a>,
     ) -> FlowyResult<i64> {
         let mut sync_seq_write_guard = self.sync_seq.write().await;
-        let result = sync_seq_write_guard.compact();
-        match result {
-            None => {
-                tracing::Span::current().record("rev_id", &revision.rev_id);
-                self.add(revision.clone(), RevisionState::Sync, true).await?;
-                sync_seq_write_guard.add(revision.rev_id)?;
-                Ok(revision.rev_id)
-            }
-            Some((range, mut compact_seq)) => {
-                tracing::Span::current().record("compact_range", &format!("{}", range).as_str());
-                let mut revisions = self.revisions_in_range(&range).await?;
-                if range.to_rev_ids().len() != revisions.len() {
-                    debug_assert_eq!(range.to_rev_ids().len(), revisions.len());
-                }
-
-                // append the new revision
-                revisions.push(revision.clone());
-
-                // compact multiple revisions into one
-                let compact_revision = rev_compress.compress_revisions(&self.user_id, &self.object_id, revisions)?;
-                let rev_id = compact_revision.rev_id;
-                tracing::Span::current().record("rev_id", &rev_id);
-
-                // insert new revision
-                compact_seq.push_back(rev_id);
-
-                // replace the revisions in range with compact revision
-                self.compact(&range, compact_revision).await?;
-                //
-                debug_assert_eq!(compact_seq.len(), 2);
-                debug_assert_eq!(sync_seq_write_guard.len(), compact_seq.len());
-                sync_seq_write_guard.reset(compact_seq);
-                Ok(rev_id)
-            }
+        if sync_seq_write_guard.step > self.configuration.merge_threshold {
+            let compact_seq = sync_seq_write_guard.compact();
+            let range = RevisionRange {
+                start: *compact_seq.front().unwrap(),
+                end: *compact_seq.back().unwrap(),
+            };
+
+            tracing::Span::current().record("compact_range", &format!("{}", range).as_str());
+            let mut revisions = self.revisions_in_range(&range).await?;
+            debug_assert_eq!(range.len() as usize, revisions.len());
+            // append the new revision
+            revisions.push(new_revision.clone());
+
+            // compact multiple revisions into one
+            let compact_revision = rev_compress.merge_revisions(&self.user_id, &self.object_id, revisions)?;
+            let rev_id = compact_revision.rev_id;
+            tracing::Span::current().record("rev_id", &rev_id);
+
+            // insert new revision
+            let _ = sync_seq_write_guard.dry_push(rev_id)?;
+
+            // replace the revisions in range with compact revision
+            self.compact(&range, compact_revision).await?;
+            Ok(rev_id)
+        } else {
+            tracing::Span::current().record("rev_id", &new_revision.rev_id);
+            self.add(new_revision.clone(), RevisionState::Sync, true).await?;
+            sync_seq_write_guard.push(new_revision.rev_id)?;
+            Ok(new_revision.rev_id)
         }
     }
 
@@ -132,6 +156,10 @@ where
         self.sync_seq.read().await.next_rev_id()
     }
 
+    pub(crate) fn number_of_sync_records(&self) -> usize {
+        self.memory_cache.number_of_sync_records()
+    }
+
     /// The cache gets reset while it conflicts with the remote revisions.
     #[tracing::instrument(level = "trace", skip(self, revisions), err)]
     pub(crate) async fn reset(&self, revisions: Vec<Revision>) -> FlowyResult<()> {
@@ -257,27 +285,42 @@ impl<C> RevisionMemoryCacheDelegate for Arc<dyn RevisionDiskCache<C, Error = Flo
 }
 
 #[derive(Default)]
-struct DeferSyncSequence(VecDeque<i64>);
+struct DeferSyncSequence {
+    rev_ids: VecDeque<i64>,
+    start: Option<usize>,
+    step: usize,
+}
+
 impl DeferSyncSequence {
     fn new() -> Self {
         DeferSyncSequence::default()
     }
 
-    fn add(&mut self, new_rev_id: i64) -> FlowyResult<()> {
+    fn push(&mut self, new_rev_id: i64) -> FlowyResult<()> {
+        let _ = self.dry_push(new_rev_id)?;
+
+        self.step += 1;
+        if self.start.is_none() && !self.rev_ids.is_empty() {
+            self.start = Some(self.rev_ids.len() - 1);
+        }
+        Ok(())
+    }
+
+    fn dry_push(&mut self, new_rev_id: i64) -> FlowyResult<()> {
         // The last revision's rev_id must be greater than the new one.
-        if let Some(rev_id) = self.0.back() {
+        if let Some(rev_id) = self.rev_ids.back() {
             if *rev_id >= new_rev_id {
                 return Err(
                     FlowyError::internal().context(format!("The new revision's id must be greater than {}", rev_id))
                 );
             }
         }
-        self.0.push_back(new_rev_id);
+        self.rev_ids.push_back(new_rev_id);
         Ok(())
     }
 
     fn ack(&mut self, rev_id: &i64) -> FlowyResult<()> {
-        let cur_rev_id = self.0.front().cloned();
+        let cur_rev_id = self.rev_ids.front().cloned();
         if let Some(pop_rev_id) = cur_rev_id {
             if &pop_rev_id != rev_id {
                 let desc = format!(
@@ -286,38 +329,38 @@ impl DeferSyncSequence {
                 );
                 return Err(FlowyError::internal().context(desc));
             }
-            let _ = self.0.pop_front();
+            let _ = self.rev_ids.pop_front();
         }
         Ok(())
     }
 
     fn next_rev_id(&self) -> Option<i64> {
-        self.0.front().cloned()
-    }
-
-    fn reset(&mut self, new_seq: VecDeque<i64>) {
-        self.0 = new_seq;
+        self.rev_ids.front().cloned()
     }
 
     fn clear(&mut self) {
-        self.0.clear();
-    }
-
-    fn len(&self) -> usize {
-        self.0.len()
+        self.start = None;
+        self.step = 0;
+        self.rev_ids.clear();
     }
 
     // Compact the rev_ids into one except the current synchronizing rev_id.
-    fn compact(&self) -> Option<(RevisionRange, VecDeque<i64>)> {
-        // Make sure there are two rev_id going to sync. No need to compact if there is only
-        // one rev_id in queue.
-        self.next_rev_id()?;
-
-        let mut new_seq = self.0.clone();
-        let mut drained = new_seq.drain(1..).collect::<VecDeque<_>>();
+    fn compact(&mut self) -> VecDeque<i64> {
+        if self.start.is_none() {
+            return VecDeque::default();
+        }
 
-        let start = drained.pop_front()?;
-        let end = drained.pop_back().unwrap_or(start);
-        Some((RevisionRange { start, end }, new_seq))
+        let start = self.start.unwrap();
+        let compact_seq = self.rev_ids.split_off(start);
+        self.start = None;
+        self.step = 0;
+        compact_seq
+
+        // let mut new_seq = self.rev_ids.clone();
+        // let mut drained = new_seq.drain(1..).collect::<VecDeque<_>>();
+        //
+        // let start = drained.pop_front()?;
+        // let end = drained.pop_back().unwrap_or(start);
+        // Some((RevisionRange { start, end }, new_seq))
     }
 }

frontend/rust-lib/flowy-revision/tests/revision_test/local_revision_test.rs

@@ -20,7 +20,7 @@ async fn revision_sync_test() {
 
 #[tokio::test]
 async fn revision_sync_multiple_revisions() {
-    let test = RevisionTest::new().await;
+    let test = RevisionTest::new_with_configuration(2).await;
     let (base_rev_id, rev_id_1) = test.next_rev_id_pair();
 
     test.run_script(AddLocalRevision {
@@ -49,21 +49,20 @@ async fn revision_sync_multiple_revisions() {
 }
 
 #[tokio::test]
-async fn revision_compress_two_revisions_test() {
-    let test = RevisionTest::new().await;
+async fn revision_compress_three_revisions_test() {
+    let test = RevisionTest::new_with_configuration(2).await;
     let (base_rev_id, rev_id_1) = test.next_rev_id_pair();
 
     test.run_script(AddLocalRevision {
-        content: "123".to_string(),
+        content: "1".to_string(),
         base_rev_id,
         rev_id: rev_id_1,
     })
     .await;
 
-    // rev_id_2 will be merged with rev_id_3
     let (base_rev_id, rev_id_2) = test.next_rev_id_pair();
     test.run_script(AddLocalRevision {
-        content: "456".to_string(),
+        content: "2".to_string(),
         base_rev_id,
         rev_id: rev_id_2,
     })
@@ -71,36 +70,129 @@ async fn revision_compress_two_revisions_test() {
 
     let (base_rev_id, rev_id_3) = test.next_rev_id_pair();
     test.run_script(AddLocalRevision {
-        content: "789".to_string(),
+        content: "3".to_string(),
         base_rev_id,
         rev_id: rev_id_3,
     })
     .await;
 
+    let (base_rev_id, rev_id_4) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "4".to_string(),
+        base_rev_id,
+        rev_id: rev_id_4,
+    })
+    .await;
+
+    // rev_id_2,rev_id_3,rev_id4 will be merged into rev_id_1
     test.run_scripts(vec![
         Wait {
             milliseconds: REVISION_WRITE_INTERVAL_IN_MILLIS,
         },
+        AssertNumberOfSyncRevisions { num: 1 },
         AssertNextSyncRevisionId { rev_id: Some(rev_id_1) },
-        AckRevision { rev_id: rev_id_1 },
-        AssertNextSyncRevisionId { rev_id: Some(rev_id_2) },
         AssertNextSyncRevisionContent {
-            expected: "456789".to_string(),
+            expected: "1234".to_string(),
         },
+        AckRevision { rev_id: rev_id_1 },
+        AssertNextSyncRevisionId { rev_id: None },
     ])
     .await;
 }
 
 #[tokio::test]
-async fn revision_compress_multiple_revisions_test() {
-    let test = RevisionTest::new().await;
-    let mut expected = "".to_owned();
+async fn revision_compress_three_revisions_test2() {
+    let test = RevisionTest::new_with_configuration(2).await;
+    let (base_rev_id, rev_id_1) = test.next_rev_id_pair();
+
+    test.run_script(AddLocalRevision {
+        content: "1".to_string(),
+        base_rev_id,
+        rev_id: rev_id_1,
+    })
+    .await;
+
+    let (base_rev_id, rev_id_2) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "2".to_string(),
+        base_rev_id,
+        rev_id: rev_id_2,
+    })
+    .await;
+
+    let (base_rev_id, rev_id_3) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "3".to_string(),
+        base_rev_id,
+        rev_id: rev_id_3,
+    })
+    .await;
+
+    let (base_rev_id, rev_id_4) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "4".to_string(),
+        base_rev_id,
+        rev_id: rev_id_4,
+    })
+    .await;
 
-    for i in 0..100 {
+    let (base_rev_id, rev_id_a) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "a".to_string(),
+        base_rev_id,
+        rev_id: rev_id_a,
+    })
+    .await;
+
+    let (base_rev_id, rev_id_b) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "b".to_string(),
+        base_rev_id,
+        rev_id: rev_id_b,
+    })
+    .await;
+
+    let (base_rev_id, rev_id_c) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "c".to_string(),
+        base_rev_id,
+        rev_id: rev_id_c,
+    })
+    .await;
+
+    let (base_rev_id, rev_id_d) = test.next_rev_id_pair();
+    test.run_script(AddLocalRevision {
+        content: "d".to_string(),
+        base_rev_id,
+        rev_id: rev_id_d,
+    })
+    .await;
+
+    test.run_scripts(vec![
+        // Wait {
+        //     milliseconds: REVISION_WRITE_INTERVAL_IN_MILLIS,
+        // },
+        AssertNumberOfSyncRevisions { num: 2 },
+        AssertNextSyncRevisionId { rev_id: Some(rev_id_1) },
+        AssertNextSyncRevisionContent {
+            expected: "1234".to_string(),
+        },
+        AckRevision { rev_id: rev_id_1 },
+        AssertNextSyncRevisionId { rev_id: Some(rev_id_a) },
+        AssertNextSyncRevisionContent {
+            expected: "abcd".to_string(),
+        },
+        AckRevision { rev_id: rev_id_a },
+        AssertNextSyncRevisionId { rev_id: None },
+    ])
+    .await;
+}
+
+#[tokio::test]
+async fn revision_merge_per_5_revision_test() {
+    let test = RevisionTest::new_with_configuration(4).await;
+    for i in 0..20 {
         let content = format!("{}", i);
-        if i != 0 {
-            expected.push_str(&content);
-        }
         let (base_rev_id, rev_id) = test.next_rev_id_pair();
         test.run_script(AddLocalRevision {
             content,
@@ -110,14 +202,5 @@ async fn revision_compress_multiple_revisions_test() {
         .await;
     }
 
-    test.run_scripts(vec![
-        Wait {
-            milliseconds: REVISION_WRITE_INTERVAL_IN_MILLIS,
-        },
-        AssertNextSyncRevisionId { rev_id: Some(1) },
-        AckRevision { rev_id: 1 },
-        AssertNextSyncRevisionId { rev_id: Some(2) },
-        AssertNextSyncRevisionContent { expected },
-    ])
-    .await;
+    test.run_scripts(vec![AssertNumberOfSyncRevisions { num: 5 }]).await;
 }

frontend/rust-lib/flowy-revision/tests/revision_test/script.rs

@@ -2,7 +2,8 @@ use bytes::Bytes;
 use flowy_error::{FlowyError, FlowyResult};
 use flowy_revision::disk::{RevisionChangeset, RevisionDiskCache, SyncRecord};
 use flowy_revision::{
-    RevisionCompress, RevisionManager, RevisionPersistence, RevisionSnapshotDiskCache, RevisionSnapshotInfo,
+    RevisionManager, RevisionMergeable, RevisionPersistence, RevisionPersistenceConfiguration,
+    RevisionSnapshotDiskCache, RevisionSnapshotInfo,
 };
 use flowy_sync::entities::revision::{Revision, RevisionRange};
 use flowy_sync::util::md5;
@@ -11,7 +12,6 @@ use parking_lot::RwLock;
 use serde::{Deserialize, Serialize};
 use std::sync::Arc;
 use std::time::Duration;
-use tokio::time::interval;
 
 pub enum RevisionScript {
     AddLocalRevision {
@@ -25,14 +25,15 @@ pub enum RevisionScript {
     AssertNextSyncRevisionId {
         rev_id: Option<i64>,
     },
+    AssertNumberOfSyncRevisions {
+        num: usize,
+    },
     AssertNextSyncRevisionContent {
         expected: String,
     },
     Wait {
         milliseconds: u64,
     },
-
-    AssertNextSyncRevision(Option<Revision>),
 }
 
 pub struct RevisionTest {
@@ -41,9 +42,14 @@ pub struct RevisionTest {
 
 impl RevisionTest {
     pub async fn new() -> Self {
+        Self::new_with_configuration(2).await
+    }
+
+    pub async fn new_with_configuration(merge_when_excess_number_of_version: i64) -> Self {
         let user_id = nanoid!(10);
         let object_id = nanoid!(6);
-        let persistence = RevisionPersistence::new(&user_id, &object_id, RevisionDiskCacheMock::new());
+        let configuration = RevisionPersistenceConfiguration::new(merge_when_excess_number_of_version as usize);
+        let persistence = RevisionPersistence::new(&user_id, &object_id, RevisionDiskCacheMock::new(), configuration);
         let compress = RevisionCompressMock {};
         let snapshot = RevisionSnapshotMock {};
         let rev_manager = RevisionManager::new(&user_id, &object_id, persistence, compress, snapshot);
@@ -51,6 +57,7 @@ impl RevisionTest {
             rev_manager: Arc::new(rev_manager),
         }
     }
+
     pub async fn run_scripts(&self, scripts: Vec<RevisionScript>) {
         for script in scripts {
             self.run_script(script).await;
@@ -87,6 +94,9 @@ impl RevisionTest {
             RevisionScript::AssertNextSyncRevisionId { rev_id } => {
                 assert_eq!(self.rev_manager.next_sync_rev_id().await, rev_id)
             }
+            RevisionScript::AssertNumberOfSyncRevisions { num } => {
+                assert_eq!(self.rev_manager.number_of_sync_revisions(), num)
+            }
             RevisionScript::AssertNextSyncRevisionContent { expected } => {
                 //
                 let rev_id = self.rev_manager.next_sync_rev_id().await.unwrap();
@@ -95,14 +105,8 @@ impl RevisionTest {
                 assert_eq!(object.content, expected);
             }
             RevisionScript::Wait { milliseconds } => {
-                // let mut interval = interval(Duration::from_millis(milliseconds));
-                // interval.tick().await;
                 tokio::time::sleep(Duration::from_millis(milliseconds)).await;
             }
-            RevisionScript::AssertNextSyncRevision(expected) => {
-                let next_revision = self.rev_manager.next_sync_revision().await.unwrap();
-                assert_eq!(next_revision, expected);
-            }
         }
     }
 }
@@ -133,16 +137,16 @@ impl RevisionDiskCache<RevisionConnectionMock> for RevisionDiskCacheMock {
 
     fn read_revision_records(
         &self,
-        object_id: &str,
-        rev_ids: Option<Vec<i64>>,
+        _object_id: &str,
+        _rev_ids: Option<Vec<i64>>,
     ) -> Result<Vec<SyncRecord>, Self::Error> {
         todo!()
     }
 
     fn read_revision_records_with_range(
         &self,
-        object_id: &str,
-        range: &RevisionRange,
+        _object_id: &str,
+        _range: &RevisionRange,
     ) -> Result<Vec<SyncRecord>, Self::Error> {
         todo!()
     }
@@ -161,7 +165,7 @@ impl RevisionDiskCache<RevisionConnectionMock> for RevisionDiskCacheMock {
         Ok(())
     }
 
-    fn delete_revision_records(&self, object_id: &str, rev_ids: Option<Vec<i64>>) -> Result<(), Self::Error> {
+    fn delete_revision_records(&self, _object_id: &str, rev_ids: Option<Vec<i64>>) -> Result<(), Self::Error> {
         match rev_ids {
             None => {}
             Some(rev_ids) => {
@@ -182,9 +186,9 @@ impl RevisionDiskCache<RevisionConnectionMock> for RevisionDiskCacheMock {
 
     fn delete_and_insert_records(
         &self,
-        object_id: &str,
-        deleted_rev_ids: Option<Vec<i64>>,
-        inserted_records: Vec<SyncRecord>,
+        _object_id: &str,
+        _deleted_rev_ids: Option<Vec<i64>>,
+        _inserted_records: Vec<SyncRecord>,
     ) -> Result<(), Self::Error> {
         todo!()
     }
@@ -195,18 +199,18 @@ pub struct RevisionConnectionMock {}
 pub struct RevisionSnapshotMock {}
 
 impl RevisionSnapshotDiskCache for RevisionSnapshotMock {
-    fn write_snapshot(&self, object_id: &str, rev_id: i64, data: Vec<u8>) -> FlowyResult<()> {
+    fn write_snapshot(&self, _object_id: &str, _rev_id: i64, _data: Vec<u8>) -> FlowyResult<()> {
         todo!()
     }
 
-    fn read_snapshot(&self, object_id: &str, rev_id: i64) -> FlowyResult<RevisionSnapshotInfo> {
+    fn read_snapshot(&self, _object_id: &str, _rev_id: i64) -> FlowyResult<RevisionSnapshotInfo> {
         todo!()
     }
 }
 
 pub struct RevisionCompressMock {}
 
-impl RevisionCompress for RevisionCompressMock {
+impl RevisionMergeable for RevisionCompressMock {
     fn combine_revisions(&self, revisions: Vec<Revision>) -> FlowyResult<Bytes> {
         let mut object = RevisionObjectMock::new("");
         for revision in revisions {

frontend/rust-lib/flowy-sdk/src/deps_resolve/folder_deps.rs

@@ -144,7 +144,7 @@ struct DocumentViewDataProcessor(Arc<DocumentManager>);
 impl ViewDataProcessor for DocumentViewDataProcessor {
     fn create_view(
         &self,
-        user_id: &str,
+        _user_id: &str,
         view_id: &str,
         layout: ViewLayoutTypePB,
         view_data: Bytes,
@@ -188,7 +188,7 @@ impl ViewDataProcessor for DocumentViewDataProcessor {
         _data_format: ViewDataFormatPB,
     ) -> FutureResult<Bytes, FlowyError> {
         debug_assert_eq!(layout, ViewLayoutTypePB::Document);
-        let user_id = user_id.to_string();
+        let _user_id = user_id.to_string();
         let view_id = view_id.to_string();
         let manager = self.0.clone();
         let document_content = self.0.initial_document_content();
@@ -220,7 +220,7 @@ struct GridViewDataProcessor(Arc<GridManager>);
 impl ViewDataProcessor for GridViewDataProcessor {
     fn create_view(
         &self,
-        user_id: &str,
+        _user_id: &str,
         view_id: &str,
         _layout: ViewLayoutTypePB,
         delta_data: Bytes,

shared-lib/flowy-sync/src/client_grid/block_revision_pad.rs

@@ -256,7 +256,7 @@ pub fn make_grid_block_operations(block_rev: &GridBlockRevision) -> GridBlockOpe
     GridBlockOperationsBuilder::new().insert(&json).build()
 }
 
-pub fn make_grid_block_revisions(user_id: &str, grid_block_meta_data: &GridBlockRevision) -> RepeatedRevision {
+pub fn make_grid_block_revisions(_user_id: &str, grid_block_meta_data: &GridBlockRevision) -> RepeatedRevision {
     let operations = make_grid_block_operations(grid_block_meta_data);
     let bytes = operations.json_bytes();
     let revision = Revision::initial_revision(&grid_block_meta_data.block_id, bytes);

shared-lib/flowy-sync/src/client_grid/grid_revision_pad.rs

@@ -409,7 +409,7 @@ pub fn make_grid_operations(grid_rev: &GridRevision) -> GridOperations {
     GridOperationsBuilder::new().insert(&json).build()
 }
 
-pub fn make_grid_revisions(user_id: &str, grid_rev: &GridRevision) -> RepeatedRevision {
+pub fn make_grid_revisions(_user_id: &str, grid_rev: &GridRevision) -> RepeatedRevision {
     let operations = make_grid_operations(grid_rev);
     let bytes = operations.json_bytes();
     let revision = Revision::initial_revision(&grid_rev.grid_id, bytes);

shared-lib/flowy-sync/src/entities/revision.rs

@@ -178,10 +178,10 @@ impl std::fmt::Display for RevisionRange {
 }
 
 impl RevisionRange {
-    pub fn len(&self) -> i64 {
+    pub fn len(&self) -> u64 {
         debug_assert!(self.end >= self.start);
         if self.end >= self.start {
-            self.end - self.start + 1
+            (self.end - self.start + 1) as u64
         } else {
             0
         }