feat: persist memo filters with url query (#4239)

* feat: persist memo filters with url query

- Implemented synchronization of memo filters with URL search parameters.
- Enhanced memo store to manage current request state for fetching memos, allowing for request cancellation, avoiding the race conditions.

* refactor: update import

web/src/components/MemoFilters.tsx

@@ -1,10 +1,47 @@
 import { isEqual } from "lodash-es";
 import { CalendarIcon, CheckCircleIcon, CodeIcon, EyeIcon, FilterIcon, LinkIcon, SearchIcon, TagIcon, XIcon } from "lucide-react";
-import { FilterFactor, getMemoFilterKey, MemoFilter, useMemoFilterStore } from "@/store/v1";
+import { useEffect } from "react";
+import { useSearchParams } from "react-router-dom";
+import usePrevious from "react-use/lib/usePrevious";
+import { FilterFactor, getMemoFilterKey, MemoFilter, parseFilterQuery, stringifyFilters, useMemoFilterStore } from "@/store/v1";
 
 const MemoFilters = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
   const memoFilterStore = useMemoFilterStore();
   const filters = memoFilterStore.filters;
+  const prevFilters = usePrevious(filters);
+  const orderByTimeAsc = memoFilterStore.orderByTimeAsc;
+  const prevOrderByTimeAsc = usePrevious(orderByTimeAsc);
+
+  // Sync the filters and orderByTimeAsc to the search params.
+  useEffect(() => {
+    const newSearchParams = new URLSearchParams(searchParams);
+
+    if (prevOrderByTimeAsc !== orderByTimeAsc) {
+      if (orderByTimeAsc) {
+        newSearchParams.set("orderBy", "asc");
+      } else {
+        newSearchParams.delete("orderBy");
+      }
+    }
+
+    if (prevFilters && stringifyFilters(prevFilters) !== stringifyFilters(filters)) {
+      if (filters.length > 0) {
+        newSearchParams.set("filter", stringifyFilters(filters));
+      } else {
+        newSearchParams.delete("filter");
+      }
+    }
+
+    setSearchParams(newSearchParams);
+  }, [prevOrderByTimeAsc, orderByTimeAsc, prevFilters, filters, searchParams]);
+
+  // Sync the search params to the filters and orderByTimeAsc when the component is mounted.
+  useEffect(() => {
+    const newFilters = parseFilterQuery(searchParams.get("filter"));
+    const newOrderByTimeAsc = searchParams.get("orderBy") === "asc";
+    memoFilterStore.setState({ filters: newFilters, orderByTimeAsc: newOrderByTimeAsc });
+  }, []);
 
   const getFilterDisplayText = (filter: MemoFilter) => {
     if (filter.value) {

web/src/components/PagedMemoList/PagedMemoList.tsx

@@ -41,7 +41,7 @@ const PagedMemoList = (props: Props) => {
     });
     setState(() => ({
       isRequesting: false,
-      nextPageToken: response.nextPageToken,
+      nextPageToken: response?.nextPageToken || "",
     }));
   };
 

web/src/layouts/RootLayout.tsx

@@ -2,9 +2,10 @@ import { Tooltip } from "@mui/joy";
 import { Button } from "@usememos/mui";
 import clsx from "clsx";
 import { ChevronLeftIcon, ChevronRightIcon } from "lucide-react";
-import { Suspense, useEffect, useState } from "react";
+import { Suspense, useEffect, useMemo, useState } from "react";
-import { Outlet, useLocation } from "react-router-dom";
+import { Outlet, useLocation, useSearchParams } from "react-router-dom";
 import useLocalStorage from "react-use/lib/useLocalStorage";
+import usePrevious from "react-use/lib/usePrevious";
 import Navigation from "@/components/Navigation";
 import useCurrentUser from "@/hooks/useCurrentUser";
 import useResponsiveWidth from "@/hooks/useResponsiveWidth";
@@ -16,11 +17,14 @@ import { useTranslate } from "@/utils/i18n";
 const RootLayout = () => {
   const t = useTranslate();
   const location = useLocation();
+  const [searchParams] = useSearchParams();
   const { sm } = useResponsiveWidth();
   const currentUser = useCurrentUser();
   const memoFilterStore = useMemoFilterStore();
   const [collapsed, setCollapsed] = useLocalStorage<boolean>("navigation-collapsed", false);
   const [initialized, setInitialized] = useState(false);
+  const pathname = useMemo(() => location.pathname, [location.pathname]);
+  const prevPathname = usePrevious(pathname);
 
   useEffect(() => {
     if (!currentUser) {
@@ -33,9 +37,11 @@ const RootLayout = () => {
   }, []);
 
   useEffect(() => {
-    // When the route changes, remove all filters.
+    // When the route changes and there is no filter in the search params, remove all filters.
+    if (prevPathname !== pathname && !searchParams.has("filter")) {
       memoFilterStore.removeFilter(() => true);
-  }, [location.pathname]);
+    }
+  }, [prevPathname, pathname, searchParams]);
 
   return !initialized ? (
     <Loading />

web/src/store/v1/memo.ts

@@ -9,28 +9,56 @@ interface State {
   // It should be update when any state change.
   stateId: string;
   memoMapByName: Record<string, Memo>;
+  currentRequest: AbortController | null;
 }
 
 const getDefaultState = (): State => ({
   stateId: uniqueId(),
   memoMapByName: {},
+  currentRequest: null,
 });
 
 export const useMemoStore = create(
   combine(getDefaultState(), (set, get) => ({
     setState: (state: State) => set(state),
     getState: () => get(),
+    updateStateId: () => set({ stateId: uniqueId() }),
     fetchMemos: async (request: Partial<ListMemosRequest>) => {
-      const { memos, nextPageToken } = await memoServiceClient.listMemos({
+      const currentRequest = get().currentRequest;
+      if (currentRequest) {
+        currentRequest.abort();
+      }
+
+      const controller = new AbortController();
+      set({ currentRequest: controller });
+
+      try {
+        const { memos, nextPageToken } = await memoServiceClient.listMemos(
+          {
             ...request,
             view: MemoView.MEMO_VIEW_FULL,
-      });
+          },
-      const memoMap = { ...get().memoMapByName };
+          { signal: controller.signal },
+        );
+
+        if (!controller.signal.aborted) {
+          const memoMap = request.pageToken ? { ...get().memoMapByName } : {};
           for (const memo of memos) {
             memoMap[memo.name] = memo;
           }
           set({ stateId: uniqueId(), memoMapByName: memoMap });
           return { memos, nextPageToken };
+        }
+      } catch (error: any) {
+        if (error.name === "AbortError") {
+          return;
+        }
+        throw error;
+      } finally {
+        if (get().currentRequest === controller) {
+          set({ currentRequest: null });
+        }
+      }
     },
     getOrFetchMemoByName: async (name: string, options?: { skipCache?: boolean; skipStore?: boolean }) => {
       const memoMap = get().memoMapByName;
@@ -99,7 +127,7 @@ export const useMemoList = () => {
   const memos = Object.values(memoStore.getState().memoMapByName);
 
   const reset = () => {
-    memoStore.setState({ stateId: uniqueId(), memoMapByName: {} });
+    memoStore.updateStateId();
   };
 
   const size = () => {

web/src/store/v1/memoFilter.ts

@@ -18,13 +18,41 @@ export interface MemoFilter {
 
 export const getMemoFilterKey = (filter: MemoFilter) => `${filter.factor}:${filter.value}`;
 
+export const parseFilterQuery = (query: string | null): MemoFilter[] => {
+  if (!query) return [];
+  try {
+    return query.split(",").map((filterStr) => {
+      const [factor, value] = filterStr.split(":");
+      return {
+        factor: factor as FilterFactor,
+        value: decodeURIComponent(value),
+      };
+    });
+  } catch (error) {
+    console.error("Failed to parse filter query:", error);
+    return [];
+  }
+};
+
+export const stringifyFilters = (filters: MemoFilter[]): string => {
+  return filters.map((filter) => `${filter.factor}:${encodeURIComponent(filter.value)}`).join(",");
+};
+
 interface State {
   filters: MemoFilter[];
   orderByTimeAsc: boolean;
 }
 
+const getInitialState = (): State => {
+  const searchParams = new URLSearchParams(window.location.search);
+  return {
+    filters: parseFilterQuery(searchParams.get("filter")),
+    orderByTimeAsc: searchParams.get("orderBy") === "asc",
+  };
+};
+
 export const useMemoFilterStore = create(
-  combine(((): State => ({ filters: [], orderByTimeAsc: false }))(), (set, get) => ({
+  combine(getInitialState(), (set, get) => ({
     setState: (state: State) => set(state),
     getState: () => get(),
     getFiltersByFactor: (factor: FilterFactor) => get().filters.filter((f) => f.factor === factor),