Implement filtering and sorting for People Table

src/App.tsx

@@ -1,3 +1,4 @@
+import { Navigate, Route, Routes } from 'react-router-dom';
 import { PeoplePage } from './components/PeoplePage';
 import { Navbar } from './components/Navbar';
 
@@ -10,9 +11,15 @@ export const App = () => {
 
       <div className="section">
         <div className="container">
-          <h1 className="title">Home Page</h1>
-          <h1 className="title">Page not found</h1>
-          <PeoplePage />
+          <Routes>
+            <Route path="/" element={<h1 className="title">Home Page</h1>} />
+            <Route path="/home" element={<Navigate to="/" replace />} />
+            <Route path="/people/:slug?" element={<PeoplePage />} />
+            <Route
+              path="*"
+              element={<h1 className="title">Page not found</h1>}
+            />
+          </Routes>
         </div>
       </div>
     </div>

src/components/Navbar.tsx

@@ -1,4 +1,10 @@
+import { Link, NavLink, useMatch, useSearchParams } from 'react-router-dom';
+import cn from 'classnames';
+
 export const Navbar = () => {
+  const [searchParams] = useSearchParams();
+  const isPeoplePage = useMatch('/people/*');
+
   return (
     <nav
       data-cy="nav"
@@ -8,17 +14,24 @@ export const Navbar = () => {
     >
       <div className="container">
         <div className="navbar-brand">
-          <a className="navbar-item" href="#/">
+          <NavLink
+            className={({ isActive }) =>
+              cn('navbar-item', { 'has-background-grey-lighter': isActive })
+            }
+            to="/"
+            end
+          >
             Home
-          </a>
+          </NavLink>
 
-          <a
-            aria-current="page"
-            className="navbar-item has-background-grey-lighter"
-            href="#/people"
+          <Link
+            className={cn('navbar-item', {
+              'has-background-grey-lighter': !!isPeoplePage,
+            })}
+            to={{ pathname: '/people', search: searchParams.toString() }}
           >
             People
-          </a>
+          </Link>
         </div>
       </div>
     </nav>

src/components/PeopleFilters.tsx

@@ -1,18 +1,53 @@
+import { useSearchParams } from 'react-router-dom';
+import cn from 'classnames';
+import { SearchLink } from './SearchLink';
+import { getSearchWith } from '../utils/searchHelper';
+
+const CENTURIES = ['16', '17', '18', '19', '20'];
+
 export const PeopleFilters = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const sex = searchParams.get('sex');
+  const query = searchParams.get('query') || '';
+  const centuries = searchParams.getAll('centuries');
+
+  const handleQueryChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const value = e.target.value;
+
+    setSearchParams(getSearchWith(searchParams, { query: value || null }));
+  };
+
+  const toggleCentury = (century: string): string[] => {
+    if (centuries.includes(century)) {
+      return centuries.filter(c => c !== century);
+    }
+
+    return [...centuries, century];
+  };
+
   return (
     <nav className="panel">
       <p className="panel-heading">Filters</p>
 
       <p className="panel-tabs" data-cy="SexFilter">
-        <a className="is-active" href="#/people">
+        <SearchLink
+          params={{ sex: null }}
+          className={cn({ 'is-active': !sex })}
+        >
           All
-        </a>
-        <a className="" href="#/people?sex=m">
+        </SearchLink>
+        <SearchLink
+          params={{ sex: 'm' }}
+          className={cn({ 'is-active': sex === 'm' })}
+        >
           Male
-        </a>
-        <a className="" href="#/people?sex=f">
+        </SearchLink>
+        <SearchLink
+          params={{ sex: 'f' }}
+          className={cn({ 'is-active': sex === 'f' })}
+        >
           Female
-        </a>
+        </SearchLink>
       </p>
 
       <div className="panel-block">
@@ -22,6 +57,8 @@ export const PeopleFilters = () => {
             type="search"
             className="input"
             placeholder="Search"
+            value={query}
+            onChange={handleQueryChange}
           />
 
           <span className="icon is-left">
@@ -33,63 +70,47 @@ export const PeopleFilters = () => {
       <div className="panel-block">
         <div className="level is-flex-grow-1 is-mobile" data-cy="CenturyFilter">
           <div className="level-left">
-            <a
-              data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=16"
-            >
-              16
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=17"
-            >
-              17
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=18"
-            >
-              18
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=19"
-            >
-              19
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=20"
-            >
-              20
-            </a>
+            {CENTURIES.map(century => (
+              <SearchLink
+                key={century}
+                data-cy="century"
+                className={cn('button mr-1', {
+                  'is-info': centuries.includes(century),
+                })}
+                params={{ centuries: toggleCentury(century) }}
+              >
+                {century}
+              </SearchLink>
+            ))}
           </div>
 
           <div className="level-right ml-4">
-            <a
+            <SearchLink
               data-cy="centuryALL"
-              className="button is-success is-outlined"
-              href="#/people"
+              className={cn('button is-success', {
+                'is-outlined': centuries.length > 0,
+              })}
+              params={{ centuries: null }}
             >
               All
-            </a>
+            </SearchLink>
           </div>
         </div>
       </div>
 
       <div className="panel-block">
-        <a className="button is-link is-outlined is-fullwidth" href="#/people">
+        <SearchLink
+          className="button is-link is-outlined is-fullwidth"
+          params={{
+            sex: null,
+            query: null,
+            centuries: null,
+            sort: null,
+            order: null,
+          }}
+        >
           Reset all filters
-        </a>
+        </SearchLink>
       </div>
     </nav>
   );

src/components/PeoplePage.tsx

@@ -1,29 +1,125 @@
+import { useEffect, useMemo, useState } from 'react';
+import { useSearchParams } from 'react-router-dom';
 import { PeopleFilters } from './PeopleFilters';
 import { Loader } from './Loader';
 import { PeopleTable } from './PeopleTable';
+import { getPeople } from '../api';
+import { Person } from '../types';
 
 export const PeoplePage = () => {
+  const [people, setPeople] = useState<Person[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState(false);
+  const [searchParams] = useSearchParams();
+
+  useEffect(() => {
+    setLoading(true);
+    setError(false);
+
+    getPeople()
+      .then(data => {
+        const peopleWithParents = data.map(person => ({
+          ...person,
+          mother: data.find(p => p.name === person.motherName),
+          father: data.find(p => p.name === person.fatherName),
+        }));
+
+        setPeople(peopleWithParents);
+      })
+      .catch(() => setError(true))
+      .finally(() => setLoading(false));
+  }, []);
+
+  const sex = searchParams.get('sex');
+  const query = searchParams.get('query') || '';
+  const centuries = searchParams.getAll('centuries');
+  const sort = searchParams.get('sort');
+  const order = searchParams.get('order');
+
+  const filteredPeople = useMemo(() => {
+    let result = [...people];
+
+    if (sex) {
+      result = result.filter(p => p.sex === sex);
+    }
+
+    if (query) {
+      const q = query.toLowerCase();
+
+      result = result.filter(
+        p =>
+          p.name.toLowerCase().includes(q) ||
+          (p.motherName || '').toLowerCase().includes(q) ||
+          (p.fatherName || '').toLowerCase().includes(q),
+      );
+    }
+
+    if (centuries.length > 0) {
+      result = result.filter(p =>
+        centuries.includes(String(Math.ceil(p.born / 100))),
+      );
+    }
+
+    if (sort) {
+      result.sort((a, b) => {
+        let cmp = 0;
+
+        switch (sort) {
+          case 'name':
+          case 'sex':
+            cmp = a[sort].localeCompare(b[sort]);
+            break;
+          case 'born':
+          case 'died':
+            cmp = a[sort] - b[sort];
+            break;
+        }
+
+        return order === 'desc' ? -cmp : cmp;
+      });
+    }
+
+    return result;
+  }, [people, sex, query, centuries, sort, order]);
+
+  const loaded = !loading && !error;
+  const hasPeople = loaded && people.length > 0;
+  const noPeople = loaded && people.length === 0;
+  const noMatches = hasPeople && filteredPeople.length === 0;
+
   return (
     <>
       <h1 className="title">People Page</h1>
 
       <div className="block">
         <div className="columns is-desktop is-flex-direction-row-reverse">
-          <div className="column is-7-tablet is-narrow-desktop">
-            <PeopleFilters />
-          </div>
+          {hasPeople && (
+            <div className="column is-7-tablet is-narrow-desktop">
+              <PeopleFilters />
+            </div>
+          )}
 
           <div className="column">
             <div className="box table-container">
-              <Loader />
+              {loading && <Loader />}
 
-              <p data-cy="peopleLoadingError">Something went wrong</p>
+              {error && (
+                <p data-cy="peopleLoadingError">Something went wrong</p>
+              )}
 
-              <p data-cy="noPeopleMessage">There are no people on the server</p>
+              {noPeople && (
+                <p data-cy="noPeopleMessage">
+                  There are no people on the server
+                </p>
+              )}
 
-              <p>There are no people matching the current search criteria</p>
+              {noMatches && (
+                <p>There are no people matching the current search criteria</p>
+              )}
 
-              <PeopleTable />
+              {hasPeople && !noMatches && (
+                <PeopleTable people={filteredPeople} />
+              )}
             </div>
           </div>
         </div>