ui: refactor search page and actions

ui/src/components/search/CheckboxFacet.tsx

@@ -1,36 +1,47 @@
-/* eslint-disable react-hooks/exhaustive-deps */
-import React, { useState, useEffect } from "react";
-import { useRouter } from "next/navigation";
+import React, { useState, useEffect, useCallback } from "react";
+import { useRouter, useSearchParams, usePathname } from "next/navigation";
 import { Card } from "antd";
 
-import { getSearchUrl } from "@/utils/utils";
-import { Country, Journal, Params } from "@/types";
+import { Country, Journal } from "@/types";
 
 interface CheckboxFacetProps {
   type: "country" | "journal";
   title: string;
-  params: Params;
   data: Country[] | Journal[];
 }
 
 const CheckboxFacet: React.FC<CheckboxFacetProps> = ({
   type,
   title,
-  params,
   data,
 }) => {
   const [filters, setFilters] = useState<any[]>([]);
   const [showMore, setShowMore] = useState(false);
   const displayedData = showMore ? data : data?.slice(0, 13);
   const router = useRouter();
+  const searchParams = useSearchParams();
+  const pathname = usePathname()
 
-  useEffect(() => {
-    setFilters([params[type]].flat());
-  }, []);
+  const createQueryString = useCallback(
+    (name: string, value: any) => {
+      const params = new URLSearchParams(searchParams)
+
+      params.delete(name);
+      params.delete("page");
+
+      if (!Array.isArray(value)) value = [value];
+      value.forEach((val: string) => {
+        params.append(name, val);
+      });
+
+      return params.toString()
+    },
+    [searchParams]
+  )
 
   useEffect(() => {
-    router.push(getSearchUrl({ ...params, page: 1, [type]: filters }));
-  }, [filters]);
+    setFilters(searchParams.getAll(type));
+  }, []);
 
   const shortJournalName = (value: string) => {
     const journalMapping: Record<string, string> = {
@@ -46,12 +57,16 @@ const CheckboxFacet: React.FC<CheckboxFacetProps> = ({
   };
 
   const onCheckboxChange = (value: string) => {
+    let updated_filters = [];
+
     if (filters.includes(value)) {
-      const newFilters = filters.filter((item: string) => item !== value);
-      setFilters(newFilters);
+      updated_filters = filters.filter((item: string) => item !== value);
     } else {
-      setFilters((oldFilters) => [...oldFilters, value]);
+      updated_filters = [...filters, value]
     }
+
+    setFilters(updated_filters);
+    router.push(pathname + '?' + createQueryString(type, updated_filters))
   };
 
   return (

ui/src/components/search/SearchPagination.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 import { Pagination } from "antd";
-import { useRouter } from "next/navigation";
+import { usePathname, useRouter, useSearchParams } from "next/navigation";
 
 import { getSearchUrl } from "@/utils/utils";
 import { Params } from "@/types";
@@ -12,9 +12,15 @@ interface SearchPagination {
 
 const SearchPagination: React.FC<SearchPagination> = ({ count, params }) => {
   const router = useRouter();
+  const pathname = usePathname();
+  const searchParams = useSearchParams();
+  const currentPage = searchParams.get("page") || 1
 
   const onPageChange = (page: number) => {
-    router.push(getSearchUrl({ ...params, page }));
+    const params = new URLSearchParams(searchParams)
+    params.set("page", `${page}`);
+
+    router.push(pathname + (params.toString() ? `?${params.toString()}` : ''));
   };
 
   return (
@@ -24,7 +30,7 @@ const SearchPagination: React.FC<SearchPagination> = ({ count, params }) => {
       total={count}
       onChange={(page) => onPageChange(page)}
       showSizeChanger={false}
-      current={Number(params?.page) || 1}
+      current={Number(currentPage) || 1}
       hideOnSinglePage
       className="md:mb-0 mb-3"
     />

ui/src/components/search/YearFacet.tsx

@@ -1,113 +1,76 @@
-import React, { useEffect, useState } from "react";
+import React, { useEffect, useState, useCallback } from "react";
 import { XYPlot, VerticalBarSeries, Hint } from "react-vis";
 import { Button, Card, Slider } from "antd";
-import { SliderMarks } from "antd/es/slider";
-import { useRouter } from "next/navigation";
-import isEqual from "lodash.isequal";
+import { useRouter, usePathname, useSearchParams } from "next/navigation";
 import "react-vis/dist/style.css";
 
-import { getSearchUrl } from "@/utils/utils";
-import { PublicationYear, YearFacetData, Params } from "@/types";
+import { PublicationYear, YearFacetData } from "@/types";
 
-interface YearFacetProps {
-  data: PublicationYear[];
-  params: Params;
-}
 
-const YearFacet: React.FC<YearFacetProps> = ({ data, params }) => {
+const mapInitialDataToYears = (
+  initial: PublicationYear[]
+): YearFacetData[] => {
+  return initial?.map((item) => ({
+    x: new Date(item?.key)?.getFullYear(),
+    y: item?.doc_count,
+  }));
+};
+
+const YearFacet = ({ data }: any) => {
   const [hoveredBar, setHoveredBar] = useState<any>(null);
   const [filters, setFilters] = useState<YearFacetData[]>([]);
-  const [initialData, setInitialData] = useState<YearFacetData[]>([]);
   const [initialEndpoints, setInitialEndpoints] = useState<number[]>([]);
   const [sliderEndpoints, setSliderEndpoints] = useState<number[]>([]);
-  const [marks, setMarks] = useState<SliderMarks>(undefined);
-  const [reset, setReset] = useState<boolean>(false);
+
   const router = useRouter();
+  const pathname = usePathname()
+  const searchParams = useSearchParams();
 
   useEffect(() => {
     const initialData = mapInitialDataToYears(data);
     setFilters(initialData);
-    setInitialData(initialData);
     setSliderEndpoints(getSliderEndpoints(initialData));
     setInitialEndpoints(getSliderEndpoints(initialData));
-    setMarks(getMarks(initialData));
-  }, []);
+  }, [data]);
 
-  useEffect(() => {
-    router.push(
-      getSearchUrl({
-        ...params,
-        page: 1,
-        publication_year__range: resolveYearQuery(),
-      })
-    );
-  }, [filters]);
-
-  const resolveYearQuery = () => {
-    if (sliderEndpoints[0] === sliderEndpoints[1]) {
-      return sliderEndpoints[0]?.toString();
+  const resolveYearQuery = (range: number[]) => {
+    if (range[0] === range[1]) {
+      return range[0]?.toString();
     }
-    return sliderEndpoints.join("__");
+    return range.join("__");
   };
 
-  const mapInitialDataToYears = (
-    initial: PublicationYear[]
-  ): YearFacetData[] => {
-    return initial?.map((item) => ({
-      x: new Date(item?.key)?.getFullYear(),
-      y: item?.doc_count,
-    }));
-  };
+  const createQueryString = useCallback(
+    (name: string, value: any) => {
+      const params = new URLSearchParams(searchParams)
+
+      params.delete(name);
+      params.delete("page");
+      params.set(name, resolveYearQuery([value[0].x, value[1].x]));
+
+      return params.toString()
+    },
+    [searchParams]
+  )
 
   const getSliderEndpoints = (initial: YearFacetData[]): number[] => {
     if (initial.length === 1) return [initial[0]?.x];
     return [initial[0]?.x, initial[initial.length - 1]?.x];
   };
 
-  const getMarks = (initial: YearFacetData[]): SliderMarks => {
-    if (initial.length === 1) {
-      return {
-        [initial[0]?.x]: [initial[0]?.x],
-      };
-    }
-    return {
-      [initial[0]?.x]: [initial[0]?.x],
-      [initial[initial.length - 1]?.x]: [initial[initial.length - 1]?.x],
-    };
-  };
-
-  const updateStateAndMarks = (newFilters: YearFacetData[]) => {
-    setSliderEndpoints(getSliderEndpoints(newFilters));
-    setMarks(getMarks(newFilters));
-  };
-
-  const sliderDataToGraphData = (data: number[]) => {
-    const firstIndex = initialData.findIndex(
-      (item: YearFacetData) => item.x === data[0]
-    );
-    const lastIndex = initialData.findIndex(
-      (item: YearFacetData) => item.x === data[data.length - 1]
-    );
-    const range = initialData.slice(firstIndex, lastIndex + 1);
-
-    if (range.length === 1) {
-      return [range, range].flat();
-    }
-
-    return range;
-  };
-
   const onSliderChange = (data: number[]) => {
-    updateStateAndMarks(sliderDataToGraphData(data));
+    setSliderEndpoints(data)
   };
 
   const onSliderAfterChange = (data: number[]) => {
-    setFilters(sliderDataToGraphData(data));
+    setSliderEndpoints(data)
+    const params = createQueryString('publication_year__range',  [{x:data[0]}, {x:data[1]}]);
+    router.push(pathname + (params ? `?${params.toString()}` : ""))
   };
 
   const onBarClick = (value: YearFacetData) => {
-    updateStateAndMarks([value, value]);
-    setFilters([value, value]);
+    const params = createQueryString('publication_year__range', [value, value]);
+    router.push(pathname + (params ? `?${params.toString()}` : ""))
   };
 
   const onBarMouseHover = (bar: YearFacetData) => {
@@ -117,15 +80,25 @@ const YearFacet: React.FC<YearFacetProps> = ({ data, params }) => {
   const onBarMouseOut = () => setHoveredBar(null);
 
   const resetFilters = () => {
-    setReset(!reset);
-    updateStateAndMarks(initialData);
-    setFilters(initialData);
+    const params = new URLSearchParams(searchParams);
+    params.delete('publication_year__range');
+    params.delete('page');
+    router.push(pathname + (params.toString() ? `?${params.toString()}` : ""))
   };
 
+  let marks: any = {}
+  filters.map(
+    (i, idx) => {
+      marks[`${i.x}`] = {
+        label: idx == 0 || idx == filters.length-1 ? `${i.x}` : ` `
+      };
+    }
+  );
+
   return (
     <Card title="Year" className="search-facets-facet mb-5">
       <div>
-        {!isEqual(initialData, filters) && (
+        {searchParams.get('publication_year__range') && (
           <div className="text-right mb-3">
             <Button
               onClick={resetFilters}
@@ -157,10 +130,13 @@ const YearFacet: React.FC<YearFacetProps> = ({ data, params }) => {
       </div>
       <Slider
         range
+        disabled={Object.keys(marks).length <= 1 }
+        step={null}
         className="year-facet-slider"
         onChange={onSliderChange}
         onAfterChange={onSliderAfterChange}
         value={sliderEndpoints}
+        defaultValue={initialEndpoints}
         min={initialEndpoints[0]}
         max={initialEndpoints[1]}
         marks={marks}

ui/src/components/shared/SearchBar.tsx

@@ -25,7 +25,7 @@ const SearchBar: React.FC<SearchBarProps> = ({
     <>
       {!hide && (
         <Search
-          onSearch={() => router.push(getSearchUrl({ search: val }, true))}
+          onSearch={() => router.push(getSearchUrl({...(val ? {search: val} : {})} , true))}
           placeholder={placeholder}
           enterButton
           className={className}

ui/src/pages/index.tsx

@@ -69,7 +69,8 @@ const HomePage: React.FC<HomePageProps> = ({ count, facets }) => {
 
 export const getServerSideProps: GetServerSideProps = async () => {
   const query = { search: "" };
-  const res = await fetch(`${getApiUrl() + getSearchUrl(query)}`, authToken);
+  const url = `${getApiUrl() + getSearchUrl(query)}`;
+  const res = await fetch(url, authToken);
   const { count, facets } = (await res?.json()) as Response;
   const countValue = { count: count || 0 };
   const facetsValue = { facets: facets || null };

ui/src/pages/search.tsx

@@ -7,6 +7,7 @@ import SearchResults from "@/components/search/SearchResults";
 import YearFacet from "@/components/search/YearFacet";
 import { authToken, getApiUrl, getSearchUrl } from "@/utils/utils";
 import CheckboxFacet from "@/components/search/CheckboxFacet";
+import { encode } from 'querystring'
 
 interface SearchPageProps {
   results: Result[];
@@ -40,7 +41,6 @@ const SearchPage: React.FC<SearchPageProps> = ({
                     data={countries}
                     title="Country / Region / Territory"
                     type={"country"}
-                    params={query}
                   />
                 )}
 
@@ -49,7 +49,6 @@ const SearchPage: React.FC<SearchPageProps> = ({
                     data={journals}
                     title="Journal"
                     type={"journal"}
-                    params={query}
                   />
                 )}
               </>
@@ -68,10 +67,30 @@ const SearchPage: React.FC<SearchPageProps> = ({
 export const getServerSideProps: GetServerSideProps = async (context) => {
   const query = context?.query as unknown as Params;
 
-  const res = await fetch(getApiUrl() + getSearchUrl({ ...query }), authToken);
-  const { results, count, facets } = (await res.json()) as Response;
+  const searchParams = new URLSearchParams(encode(query))
+  const params = searchParams ? `?${searchParams}` : "";
+  const url = getApiUrl() + params
+  let results = [], count = 0 , facets =[];
 
-  return { props: { results, count, query, facets } };
+  try {
+    const res = await fetch(url, authToken);
+
+    const contentType = res.headers.get("content-type");
+    if (contentType && contentType.indexOf("application/json") !== -1) {
+      const data = await res.json();
+      results = data.results;
+      count = data.count;
+      facets = data.facets;
+    }
+  } catch (err) {
+    console.error("Error fetching or parsing data:", err);
+  }
+
+
+
+  return {
+    props: { results, count, query, facets },
+  };
 };
 
 export default SearchPage;