fix: search improvements (#5473)

* fix: search workspace sync indexing

* chore: update collab rev temporarily

* feat: revert comparison and implement index check

* chore: fixes after merg

* feat: clean code + support delete workspace

* fix: improve code

* fix: improvements after merge

* fix: cargo fmt

* fix: remove indices for workspace method

* fix: clippy errors

* fix: clippy too many arguments

frontend/appflowy_flutter/lib/workspace/presentation/command_palette/widgets/search_field.dart

@@ -12,12 +12,37 @@ import 'package:flowy_infra_ui/widget/flowy_tooltip.dart';
 import 'package:flowy_infra_ui/widget/spacing.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
-class SearchField extends StatelessWidget {
+class SearchField extends StatefulWidget {
   const SearchField({super.key, this.query, this.isLoading = false});
 
   final String? query;
   final bool isLoading;
 
+  @override
+  State<SearchField> createState() => _SearchFieldState();
+}
+
+class _SearchFieldState extends State<SearchField> {
+  final focusNode = FocusNode();
+  late final controller = TextEditingController(text: widget.query);
+
+  @override
+  void initState() {
+    super.initState();
+    focusNode.requestFocus();
+    controller.selection = TextSelection(
+      baseOffset: 0,
+      extentOffset: controller.text.length,
+    );
+  }
+
+  @override
+  void dispose() {
+    focusNode.dispose();
+    controller.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Row(
@@ -29,7 +54,8 @@ class SearchField extends StatelessWidget {
         ),
         Expanded(
           child: FlowyTextField(
-            controller: TextEditingController(text: query),
+            focusNode: focusNode,
+            controller: controller,
             textStyle:
                 Theme.of(context).textTheme.bodySmall?.copyWith(fontSize: 14),
             decoration: InputDecoration(
@@ -84,7 +110,7 @@ class SearchField extends StatelessWidget {
                 .add(CommandPaletteEvent.searchChanged(search: value)),
           ),
         ),
-        if (isLoading) ...[
+        if (widget.isLoading) ...[
           const HSpace(12),
           FlowyTooltip(
             message: LocaleKeys.commandPalette_loadingTooltip.tr(),

frontend/appflowy_tauri/src-tauri/Cargo.toml

@@ -112,4 +112,4 @@ collab-folder = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlow
 collab-document = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
 collab-database = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
 collab-plugins = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
-collab-user = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
+collab-user = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }

frontend/appflowy_web/wasm-libs/Cargo.toml

@@ -76,4 +76,4 @@ collab-folder = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlow
 collab-document = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
 collab-database = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
 collab-plugins = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
-collab-user = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
+collab-user = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }

frontend/appflowy_web_app/src-tauri/Cargo.lock

@@ -2173,6 +2173,7 @@ dependencies = [
  "nanoid",
  "parking_lot 0.12.1",
  "protobuf",
+ "serde",
  "serde_json",
  "strum_macros 0.21.1",
  "tokio",

frontend/appflowy_web_app/src-tauri/Cargo.toml

@@ -113,4 +113,4 @@ collab-folder = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlow
 collab-document = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
 collab-database = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
 collab-plugins = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
-collab-user = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }
+collab-user = { version = "0.2", git = "https://github.com/AppFlowy-IO/AppFlowy-Collab", rev = "6febf0397e66ebf0a281980a2e7602d7af00c975" }

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

@@ -33,28 +33,21 @@ pub struct FolderDepsResolver();
 impl FolderDepsResolver {
   pub async fn resolve(
     authenticate_user: Weak<AuthenticateUser>,
-    document_manager: &Arc<DocumentManager>,
-    database_manager: &Arc<DatabaseManager>,
     collab_builder: Arc<AppFlowyCollabBuilder>,
     server_provider: Arc<ServerProvider>,
     folder_indexer: Arc<FolderIndexManagerImpl>,
     store_preferences: Arc<StorePreferences>,
-    chat_manager: &Arc<ChatManager>,
+    operation_handlers: FolderOperationHandlers,
   ) -> Arc<FolderManager> {
     let user: Arc<dyn FolderUser> = Arc::new(FolderUserImpl {
       authenticate_user: authenticate_user.clone(),
     });
 
-    let handlers = folder_operation_handlers(
-      document_manager.clone(),
-      database_manager.clone(),
-      chat_manager.clone(),
-    );
     Arc::new(
       FolderManager::new(
         user.clone(),
         collab_builder,
-        handlers,
+        operation_handlers,
         server_provider.clone(),
         folder_indexer,
         store_preferences,
@@ -64,7 +57,7 @@ impl FolderDepsResolver {
   }
 }
 
-fn folder_operation_handlers(
+pub fn folder_operation_handlers(
   document_manager: Arc<DocumentManager>,
   database_manager: Arc<DatabaseManager>,
   chat_manager: Arc<ChatManager>,

frontend/rust-lib/flowy-core/src/deps_resolve/user_deps.rs

@@ -59,4 +59,12 @@ impl UserWorkspaceService for UserWorkspaceServiceImpl {
       .await?;
     Ok(())
   }
+
+  fn did_delete_workspace(&self, workspace_id: String) -> FlowyResult<()> {
+    self
+      .folder_manager
+      .remove_indices_for_workspace(workspace_id)?;
+
+    Ok(())
+  }
 }

frontend/rust-lib/flowy-core/src/lib.rs

@@ -173,15 +173,20 @@ impl AppFlowyCore {
       let folder_indexer = Arc::new(FolderIndexManagerImpl::new(Some(Arc::downgrade(
         &authenticate_user,
       ))));
+
+      let folder_operation_handlers = folder_operation_handlers(
+        document_manager.clone(),
+        database_manager.clone(),
+        chat_manager.clone(),
+      );
+
       let folder_manager = FolderDepsResolver::resolve(
         Arc::downgrade(&authenticate_user),
-        &document_manager,
-        &database_manager,
         collab_builder.clone(),
         server_provider.clone(),
         folder_indexer.clone(),
         store_preference.clone(),
-        &chat_manager,
+        folder_operation_handlers,
       )
       .await;
 

frontend/rust-lib/flowy-folder/src/entities/workspace.rs

@@ -232,8 +232,3 @@ pub struct UserFolderPB {
   #[pb(index = 2)]
   pub workspace_id: String,
 }
-
-#[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Eq, PartialEq)]
-pub struct IndexedWorkspaceIds {
-  pub workspace_ids: Vec<String>,
-}

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

@@ -1201,6 +1201,14 @@ impl FolderManager {
       .filter(|id| !my_private_view_ids.contains(id))
       .collect()
   }
+
+  pub fn remove_indices_for_workspace(&self, workspace_id: String) -> FlowyResult<()> {
+    self
+      .folder_indexer
+      .remove_indices_for_workspace(workspace_id)?;
+
+    Ok(())
+  }
 }
 
 /// Return the views that belong to the workspace. The views are filtered by the trash and all the private views.

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

@@ -1,9 +1,8 @@
-use crate::entities::IndexedWorkspaceIds;
 use crate::manager::{FolderInitDataSource, FolderManager};
 use crate::manager_observer::*;
 use crate::user_default::DefaultFolderBuilder;
 use collab::core::collab::DataSource;
-use collab_entity::CollabType;
+use collab_entity::{CollabType, EncodedCollab};
 use collab_folder::{Folder, FolderNotify, UserId};
 use collab_integrate::CollabKVDB;
 use flowy_error::{FlowyError, FlowyResult};
@@ -11,8 +10,6 @@ use std::sync::{Arc, Weak};
 use tokio::task::spawn_blocking;
 use tracing::{event, info, Level};
 
-pub const INDEXED_WORKSPACE_KEY: &str = "indexed-workspace-ids";
-
 impl FolderManager {
   /// Called immediately after the application launched if the user already sign in/sign up.
   #[tracing::instrument(level = "info", skip(self, initial_data), err)]
@@ -187,28 +184,27 @@ impl FolderManager {
   }
 
   fn handle_index_folder(&self, workspace_id: String, folder: &Folder) {
-    let index_all;
-    if self.folder_indexer.is_indexed() {
-      // If indexes already exist, we check if the workspace was
-      // previously indexed, if it wasn't we index all
-      let indexed_ids = self
-        .store_preferences
-        .get_object::<IndexedWorkspaceIds>(INDEXED_WORKSPACE_KEY);
-      if let Some(indexed_ids) = indexed_ids {
-        index_all = !indexed_ids.workspace_ids.contains(&workspace_id.clone());
-        if !index_all {
-          let mut workspace_ids = indexed_ids.workspace_ids.clone();
-          workspace_ids.push(workspace_id.clone());
-          let _ = self
-            .store_preferences
-            .set_object(INDEXED_WORKSPACE_KEY, IndexedWorkspaceIds { workspace_ids });
+    let mut index_all = true;
+
+    let encoded_collab = self
+      .store_preferences
+      .get_object::<EncodedCollab>(&workspace_id);
+
+    if let Some(encoded_collab) = encoded_collab {
+      if let Ok(changes) = folder.calculate_view_changes(encoded_collab) {
+        let folder_indexer = self.folder_indexer.clone();
+
+        let views = folder.views.get_all_views();
+        let wid = workspace_id.clone();
+
+        if !changes.is_empty() && !views.is_empty() {
+          spawn_blocking(move || {
+            // We index the changes
+            folder_indexer.index_view_changes(views, changes, wid);
+          });
+          index_all = false;
         }
-      } else {
-        index_all = true;
       }
-    } else {
-      // If there exists no indexes, we index all views in workspace
-      index_all = true;
     }
 
     if index_all {
@@ -218,8 +214,24 @@ impl FolderManager {
 
       // We spawn a blocking task to index all views in the folder
       spawn_blocking(move || {
+        // We remove old indexes just in case
+        let _ = folder_indexer.remove_indices_for_workspace(wid.clone());
+
+        // We index all views from the workspace
         folder_indexer.index_all_views(views, wid);
       });
     }
+
+    self.save_collab_to_preferences(folder);
+  }
+
+  fn save_collab_to_preferences(&self, folder: &Folder) {
+    let encoded_collab = folder.encode_collab_v1();
+
+    if let Ok(encoded) = encoded_collab {
+      let _ = self
+        .store_preferences
+        .set_object(&folder.get_workspace_id(), encoded);
+    }
   }
 }

frontend/rust-lib/flowy-search-pub/src/entities.rs

@@ -2,7 +2,7 @@ use std::any::Any;
 use std::sync::Arc;
 
 use collab::core::collab::IndexContentReceiver;
-use collab_folder::{View, ViewIcon, ViewLayout};
+use collab_folder::{folder_diff::FolderViewChange, View, ViewIcon, ViewLayout};
 use flowy_error::FlowyError;
 
 pub struct IndexableData {
@@ -30,6 +30,7 @@ pub trait IndexManager: Send + Sync {
   fn add_index(&self, data: IndexableData) -> Result<(), FlowyError>;
   fn update_index(&self, data: IndexableData) -> Result<(), FlowyError>;
   fn remove_indices(&self, ids: Vec<String>) -> Result<(), FlowyError>;
+  fn remove_indices_for_workspace(&self, workspace_id: String) -> Result<(), FlowyError>;
   fn is_indexed(&self) -> bool;
 
   fn as_any(&self) -> &dyn Any;
@@ -37,4 +38,10 @@ pub trait IndexManager: Send + Sync {
 
 pub trait FolderIndexManager: IndexManager {
   fn index_all_views(&self, views: Vec<Arc<View>>, workspace_id: String);
+  fn index_view_changes(
+    &self,
+    views: Vec<Arc<View>>,
+    changes: Vec<FolderViewChange>,
+    workspace_id: String,
+  );
 }

frontend/rust-lib/flowy-search/src/folder/indexer.rs

@@ -15,15 +15,15 @@ use crate::{
   },
 };
 use collab::core::collab::{IndexContent, IndexContentReceiver};
-use collab_folder::{View, ViewIcon, ViewIndexContent, ViewLayout};
+use collab_folder::{folder_diff::FolderViewChange, View, ViewIcon, ViewIndexContent, ViewLayout};
 use flowy_error::{FlowyError, FlowyResult};
 use flowy_search_pub::entities::{FolderIndexManager, IndexManager, IndexableData};
 use flowy_user::services::authenticate_user::AuthenticateUser;
 use lib_dispatch::prelude::af_spawn;
 use strsim::levenshtein;
 use tantivy::{
-  collector::TopDocs, directory::MmapDirectory, doc, query::QueryParser, Index, IndexReader,
-  IndexWriter, Term,
+  collector::TopDocs, directory::MmapDirectory, doc, query::QueryParser, schema::Field, Index,
+  IndexReader, IndexWriter, Term,
 };
 
 use super::entities::FolderIndexData;
@@ -40,7 +40,6 @@ const FOLDER_INDEX_DIR: &str = "folder_index";
 
 impl FolderIndexManagerImpl {
   pub fn new(auth_user: Option<Weak<AuthenticateUser>>) -> Self {
-    // TODO(Mathias): Temporarily disable seaerch
     let auth_user = match auth_user {
       Some(auth_user) => auth_user,
       None => {
@@ -74,52 +73,45 @@ impl FolderIndexManagerImpl {
       }
     }
 
-    // We open the existing or newly created folder_index directory
-    // This is required by the Tantivy Index, as it will use it to store
-    // and read index data
-    let dir = MmapDirectory::open(index_path);
-    if let Err(e) = dir {
-      tracing::error!("FolderIndexManager failed to open index directory: {:?}", e);
-      return FolderIndexManagerImpl::empty();
-    }
-
     // The folder schema is used to define the fields of the index along
     // with how they are stored and if the field is indexed
     let folder_schema = FolderSchema::new();
 
-    // We open or create an index that takes the directory r/w and the schema.
-    let index_res = Index::open_or_create(dir.unwrap(), folder_schema.schema.clone());
-    if let Err(e) = index_res {
-      tracing::error!("FolderIndexManager failed to open index: {:?}", e);
-      return FolderIndexManagerImpl::empty();
-    }
+    // We open the existing or newly created folder_index directory
+    // This is required by the Tantivy Index, as it will use it to store
+    // and read index data
+    let index = match MmapDirectory::open(index_path) {
+      // We open or create an index that takes the directory r/w and the schema.
+      Ok(dir) => match Index::open_or_create(dir, folder_schema.schema.clone()) {
+        Ok(index) => index,
+        Err(e) => {
+          tracing::error!("FolderIndexManager failed to open index: {:?}", e);
+          return FolderIndexManagerImpl::empty();
+        },
+      },
+      Err(e) => {
+        tracing::error!("FolderIndexManager failed to open index directory: {:?}", e);
+        return FolderIndexManagerImpl::empty();
+      },
+    };
 
-    let index = index_res.unwrap();
-
-    // We read the index reader, we only need one IndexReader per index
+    // We only need one IndexReader per index
     let index_reader = index.reader();
-    if let Err(e) = index_reader {
-      tracing::error!(
-        "FolderIndexManager failed to instantiate index reader: {:?}",
-        e
-      );
-      return FolderIndexManagerImpl::empty();
-    }
-
     let index_writer = index.writer(50_000_000);
-    if let Err(e) = index_writer {
-      tracing::error!(
-        "FolderIndexManager failed to instantiate index writer: {:?}",
-        e
-      );
-      return FolderIndexManagerImpl::empty();
-    }
+
+    let (index_reader, index_writer) = match (index_reader, index_writer) {
+      (Ok(reader), Ok(writer)) => (reader, writer),
+      _ => {
+        tracing::error!("FolderIndexManager failed to instantiate index writer and/or reader");
+        return FolderIndexManagerImpl::empty();
+      },
+    };
 
     Self {
       folder_schema: Some(folder_schema),
       index: Some(index),
-      index_reader: Some(index_reader.unwrap()),
-      index_writer: Some(Arc::new(Mutex::new(index_writer.unwrap()))),
+      index_reader: Some(index_reader),
+      index_writer: Some(Arc::new(Mutex::new(index_writer))),
     }
   }
 
@@ -129,7 +121,6 @@ impl FolderIndexManagerImpl {
     }
 
     let mut index_writer = self.get_index_writer()?;
-
     let folder_schema = self.get_folder_schema()?;
 
     let id_field = folder_schema.schema.get_field(FOLDER_ID_FIELD_NAME)?;
@@ -223,15 +214,11 @@ impl FolderIndexManagerImpl {
   ) -> Result<Vec<SearchResultPB>, FlowyError> {
     let folder_schema = self.get_folder_schema()?;
 
-    let index = match &self.index {
-      Some(index) => index,
-      None => return Err(FlowyError::folder_index_manager_unavailable()),
-    };
-
-    let index_reader = match &self.index_reader {
-      Some(index_reader) => index_reader,
-      None => return Err(FlowyError::folder_index_manager_unavailable()),
-    };
+    let (index, index_reader) = self
+      .index
+      .as_ref()
+      .zip(self.index_reader.as_ref())
+      .ok_or_else(FlowyError::folder_index_manager_unavailable)?;
 
     let title_field = folder_schema.schema.get_field(FOLDER_TITLE_FIELD_NAME)?;
 
@@ -272,6 +259,29 @@ impl FolderIndexManagerImpl {
     let distance = levenshtein(query, term) as f64;
     1.0 / (distance + 1.0)
   }
+
+  fn get_schema_fields(&self) -> Result<(Field, Field, Field, Field, Field), FlowyError> {
+    let folder_schema = match self.folder_schema.clone() {
+      Some(schema) => schema,
+      _ => return Err(FlowyError::folder_index_manager_unavailable()),
+    };
+
+    let id_field = folder_schema.schema.get_field(FOLDER_ID_FIELD_NAME)?;
+    let title_field = folder_schema.schema.get_field(FOLDER_TITLE_FIELD_NAME)?;
+    let icon_field = folder_schema.schema.get_field(FOLDER_ICON_FIELD_NAME)?;
+    let icon_ty_field = folder_schema.schema.get_field(FOLDER_ICON_TY_FIELD_NAME)?;
+    let workspace_id_field = folder_schema
+      .schema
+      .get_field(FOLDER_WORKSPACE_ID_FIELD_NAME)?;
+
+    Ok((
+      id_field,
+      title_field,
+      icon_field,
+      icon_ty_field,
+      workspace_id_field,
+    ))
+  }
 }
 
 impl IndexManager for FolderIndexManagerImpl {
@@ -288,9 +298,12 @@ impl IndexManager for FolderIndexManagerImpl {
     let wid = workspace_id.clone();
     af_spawn(async move {
       while let Ok(msg) = rx.recv().await {
+        tracing::warn!("[Indexer] Message received: {:?}", msg);
         match msg {
           IndexContent::Create(value) => match serde_json::from_value::<ViewIndexContent>(value) {
             Ok(view) => {
+              tracing::warn!("[Indexer] CREATE: {:?}", view);
+
               let _ = indexer.add_index(IndexableData {
                 id: view.id,
                 data: view.name,
@@ -303,6 +316,7 @@ impl IndexManager for FolderIndexManagerImpl {
           },
           IndexContent::Update(value) => match serde_json::from_value::<ViewIndexContent>(value) {
             Ok(view) => {
+              tracing::warn!("[Indexer] UPDATE: {:?}", view);
               let _ = indexer.update_index(IndexableData {
                 id: view.id,
                 data: view.name,
@@ -314,6 +328,7 @@ impl IndexManager for FolderIndexManagerImpl {
             Err(err) => tracing::error!("FolderIndexManager error deserialize: {:?}", err),
           },
           IndexContent::Delete(ids) => {
+            tracing::warn!("[Indexer] DELETE: {:?}", ids);
             if let Err(e) = indexer.remove_indices(ids) {
               tracing::error!("FolderIndexManager error deserialize: {:?}", e);
             }
@@ -326,15 +341,8 @@ impl IndexManager for FolderIndexManagerImpl {
   fn update_index(&self, data: IndexableData) -> Result<(), FlowyError> {
     let mut index_writer = self.get_index_writer()?;
 
-    let folder_schema = self.get_folder_schema()?;
-    let id_field = folder_schema.schema.get_field(FOLDER_ID_FIELD_NAME)?;
-    let title_field = folder_schema.schema.get_field(FOLDER_TITLE_FIELD_NAME)?;
-    let icon_field = folder_schema.schema.get_field(FOLDER_ICON_FIELD_NAME)?;
-    let icon_ty_field: tantivy::schema::Field =
-      folder_schema.schema.get_field(FOLDER_ICON_TY_FIELD_NAME)?;
-    let workspace_id_field = folder_schema
-      .schema
-      .get_field(FOLDER_WORKSPACE_ID_FIELD_NAME)?;
+    let (id_field, title_field, icon_field, icon_ty_field, workspace_id_field) =
+      self.get_schema_fields()?;
 
     let delete_term = Term::from_field_text(id_field, &data.id.clone());
 
@@ -361,7 +369,6 @@ impl IndexManager for FolderIndexManagerImpl {
     let mut index_writer = self.get_index_writer()?;
 
     let folder_schema = self.get_folder_schema()?;
-
     let id_field = folder_schema.schema.get_field(FOLDER_ID_FIELD_NAME)?;
     for id in ids {
       let delete_term = Term::from_field_text(id_field, &id);
@@ -376,15 +383,8 @@ impl IndexManager for FolderIndexManagerImpl {
   fn add_index(&self, data: IndexableData) -> Result<(), FlowyError> {
     let mut index_writer = self.get_index_writer()?;
 
-    let folder_schema = self.get_folder_schema()?;
-
-    let id_field = folder_schema.schema.get_field(FOLDER_ID_FIELD_NAME)?;
-    let title_field = folder_schema.schema.get_field(FOLDER_TITLE_FIELD_NAME)?;
-    let icon_field = folder_schema.schema.get_field(FOLDER_ICON_FIELD_NAME)?;
-    let icon_ty_field = folder_schema.schema.get_field(FOLDER_ICON_TY_FIELD_NAME)?;
-    let workspace_id_field = folder_schema
-      .schema
-      .get_field(FOLDER_WORKSPACE_ID_FIELD_NAME)?;
+    let (id_field, title_field, icon_field, icon_ty_field, workspace_id_field) =
+      self.get_schema_fields()?;
 
     let (icon, icon_ty) = self.extract_icon(data.icon, data.layout);
 
@@ -402,6 +402,24 @@ impl IndexManager for FolderIndexManagerImpl {
     Ok(())
   }
 
+  /// Removes all indexes that are related by workspace id. This is useful
+  /// for cleaning indexes when eg. removing/leaving a workspace.
+  ///
+  fn remove_indices_for_workspace(&self, workspace_id: String) -> Result<(), FlowyError> {
+    let mut index_writer = self.get_index_writer()?;
+
+    let folder_schema = self.get_folder_schema()?;
+    let id_field = folder_schema
+      .schema
+      .get_field(FOLDER_WORKSPACE_ID_FIELD_NAME)?;
+    let delete_term = Term::from_field_text(id_field, &workspace_id);
+    index_writer.delete_term(delete_term);
+
+    index_writer.commit()?;
+
+    Ok(())
+  }
+
   fn as_any(&self) -> &dyn Any {
     self
   }
@@ -416,4 +434,35 @@ impl FolderIndexManager for FolderIndexManagerImpl {
 
     let _ = self.index_all(indexable_data);
   }
+
+  fn index_view_changes(
+    &self,
+    views: Vec<Arc<View>>,
+    changes: Vec<FolderViewChange>,
+    workspace_id: String,
+  ) {
+    let mut views_iter = views.into_iter();
+    for change in changes {
+      match change {
+        FolderViewChange::Inserted { view_id } => {
+          let view = views_iter.find(|view| view.id == view_id);
+          if let Some(view) = view {
+            let indexable_data = IndexableData::from_view(view, workspace_id.clone());
+            let _ = self.add_index(indexable_data);
+          }
+        },
+        FolderViewChange::Updated { view_id } => {
+          let view = views_iter.find(|view| view.id == view_id);
+          if let Some(view) = view {
+            let indexable_data = IndexableData::from_view(view, workspace_id.clone());
+            let _ = self.update_index(indexable_data);
+          }
+        },
+        FolderViewChange::Deleted { view_ids } => {
+          tracing::warn!("[Indexer] ViewChange Reached Deleted: {:?}", view_ids);
+          let _ = self.remove_indices(view_ids);
+        },
+      };
+    }
+  }
 }

frontend/rust-lib/flowy-sqlite/src/schema.rs

@@ -68,10 +68,10 @@ diesel::table! {
 }
 
 diesel::allow_tables_to_appear_in_same_query!(
-    chat_message_table,
-    chat_table,
-    collab_snapshot,
-    user_data_migration_records,
-    user_table,
-    user_workspace_table,
+  chat_message_table,
+  chat_table,
+  collab_snapshot,
+  user_data_migration_records,
+  user_table,
+  user_workspace_table,
 );

frontend/rust-lib/flowy-user-pub/src/workspace_service.rs

@@ -10,4 +10,7 @@ pub trait UserWorkspaceService: Send + Sync {
     &self,
     ids_by_database_id: HashMap<String, Vec<String>>,
   ) -> FlowyResult<()>;
+
+  /// Removes local indexes when a workspace is left/deleted
+  fn did_delete_workspace(&self, workspace_id: String) -> FlowyResult<()>;
 }

frontend/rust-lib/flowy-user/src/user_manager/manager_user_workspace.rs

@@ -261,7 +261,11 @@ impl UserManager {
     // delete workspace from local sqlite db
     let uid = self.user_id()?;
     let conn = self.db_connection(uid)?;
-    delete_user_workspaces(conn, workspace_id)
+    delete_user_workspaces(conn, workspace_id)?;
+
+    self
+      .user_workspace_service
+      .did_delete_workspace(workspace_id.to_string())
   }
 
   #[instrument(level = "info", skip(self), err)]
@@ -275,6 +279,11 @@ impl UserManager {
     let uid = self.user_id()?;
     let conn = self.db_connection(uid)?;
     delete_user_workspaces(conn, workspace_id)?;
+
+    self
+      .user_workspace_service
+      .did_delete_workspace(workspace_id.to_string())?;
+
     Ok(())
   }