feat(infra): new doc sync engine (#6205)

https://github.com/toeverything/AFFiNE/blob/eyhn/feat/new-sync/packages/common/infra/src/workspace/engine/doc/README.md

packages/frontend/core/src/hooks/affine/use-doc-engine-status.tsx

@@ -0,0 +1,20 @@
+import { useLiveData, useService, Workspace } from '@toeverything/infra';
+import { useMemo } from 'react';
+
+export function useDocEngineStatus() {
+  const workspace = useService(Workspace);
+
+  const engineState = useLiveData(workspace.engine.docEngineState);
+
+  const progress =
+    (engineState.total - engineState.syncing) / engineState.total;
+
+  return useMemo(
+    () => ({
+      ...engineState,
+      progress,
+      syncing: engineState.syncing > 0,
+    }),
+    [engineState, progress]
+  );
+}

packages/frontend/core/src/hooks/affine/use-sync-engine-status.tsx

@@ -1,35 +0,0 @@
-import { syncEngineStatusAtom } from '@affine/core/atoms/sync-engine-status';
-import { useAtom } from 'jotai';
-import { mean } from 'lodash-es';
-import { useMemo } from 'react';
-
-export function useSyncEngineStatus() {
-  const [syncEngineStatus, setSyncEngineStatus] = useAtom(syncEngineStatusAtom);
-
-  const progress = useMemo(() => {
-    if (!syncEngineStatus?.remotes || syncEngineStatus?.remotes.length === 0) {
-      return null;
-    }
-    return mean(
-      syncEngineStatus.remotes.map(peer => {
-        if (!peer) {
-          return 0;
-        }
-        const totalTask =
-          peer.totalDocs + peer.pendingPullUpdates + peer.pendingPushUpdates;
-        const doneTask = peer.loadedDocs;
-
-        return doneTask / totalTask;
-      })
-    );
-  }, [syncEngineStatus?.remotes]);
-
-  return useMemo(
-    () => ({
-      syncEngineStatus,
-      setSyncEngineStatus,
-      progress,
-    }),
-    [progress, setSyncEngineStatus, syncEngineStatus]
-  );
-}