Feature/search user

__tests__/users/App.test.js

@@ -89,4 +89,62 @@ describe('App Component', () => {
     const url = await page.url();
     expect(url).toContain('?tab=verified');
   });
+
+  it('should update the URL query string on search', async () => {
+    const initialUrl = await page.url();
+
+    await page.waitForSelector('.search_field');
+
+    await page.type('.search_field', 'John Doe');
+    await page.click('.search_button');
+
+    const updatedUrl = await page.url();
+
+    expect(updatedUrl).toContain('search=John+Doe');
+  });
+
+  it('should display user details when a user card is clicked', async () => {
+    await page.waitForSelector('.active_tab');
+
+    await page.click('.active_tab');
+
+    await page.waitForSelector('.user_details_section');
+
+    const userDetailsDisplayed =
+      (await page.$('.user_details_section')) !== null;
+
+    expect(userDetailsDisplayed).toBeTruthy();
+  });
+
+  it('should display search results matching the search term', async () => {
+    await page.type('.search_field', 'shu');
+    await page.click('.search_button');
+
+    await page.waitForSelector('.user_card');
+
+    const userCards = await page.$$('.user_card');
+    let searchTermFound = false;
+
+    for (const card of userCards) {
+      const cardContent = await card.evaluate((node) => node.innerText);
+      if (cardContent.toLowerCase().includes('shubham')) {
+        searchTermFound = true;
+        break;
+      }
+    }
+
+    expect(searchTermFound).toBeTruthy();
+  });
+
+  it('should handle empty search results gracefully', async () => {
+    await page.type('.search_field', 'bdhsbhj'); //represents a string which won't yeild any search result
+    await page.click('.search_button');
+
+    await page.waitForSelector('.no_user_found');
+
+    const emptyResultsMessageDisplayed =
+      (await page.$('.no_user_found')) !== null;
+
+    expect(emptyResultsMessageDisplayed).toBeTruthy();
+  });
 });

users/discord/App.js

@@ -1,8 +1,9 @@
 import { TabsSection } from './components/TabsSection.js';
 import { UsersSection } from './components/UsersSection.js';
 import { UserDetailsSection } from './components/UserDetailsSection.js';
-import { getUsers } from './utils/util.js';
+import { getUsers, searchUser } from './utils/util.js';
 import { NoUserFound } from './components/NoUserFound.js';
+import { SearchField } from './components/SearchField.js';
 
 const { createElement, rerender } = react;
 
@@ -37,35 +38,62 @@ const handleTabNavigation = async (e) => {
   }
 };
 
+let users = usersData[activeTab] ?? [];
+
+let searchTerm = urlParams.get('search') ?? '';
+
+if (searchTerm) {
+  users = await searchUser(searchTerm);
+  console.log(users);
+}
+
 const handleUserSelected = (e) => {
   const selectedUserId =
     e.target?.getAttribute('data_key') ||
     e.target.parentElement?.getAttribute('data_key');
 
   if (selectedUserId) {
-    showUser = usersData[activeTab]?.findIndex(
-      (user) => user.id === selectedUserId,
-    );
+    showUser = users?.findIndex((user) => user.id === selectedUserId);
     rerender(App(), window['root']);
   }
 };
 
-export const App = () => {
-  const users = usersData[activeTab] ?? [];
+const handleSearchChange = (newSearchTerm) => {
+  if (newSearchTerm) {
+    searchTerm = newSearchTerm;
+    const searchParams = new URLSearchParams(window.location.search);
+    searchParams.set('search', searchTerm);
+    document.location.search = searchParams.toString();
+  }
+};
 
-  if (users.length)
+export const App = () => {
+  if (users.length) {
     return createElement('main', {}, [
+      SearchField({
+        onSearchChange: handleSearchChange,
+        initialValue: searchTerm,
+      }),
       TabsSection({ tabs, activeTab, handleTabNavigation }),
       UsersSection({
-        users,
+        users: users,
         showUser,
         handleUserSelected,
       }),
-      UserDetailsSection({ user: users[showUser] ?? {} }),
+      users.length > 0
+        ? UserDetailsSection({ user: users[showUser] ?? {} })
+        : null,
     ]);
+  }
 
   return createElement('main', {}, [
     TabsSection({ tabs, activeTab, handleTabNavigation }),
-    NoUserFound(),
+    createElement('div', { style: { display: 'flex' } }, [
+      SearchField({
+        onSearchChange: handleSearchChange,
+        initialValue: searchTerm,
+      }),
+      NoUserFound(),
+    ]),
   ]);
 };

users/discord/components/SearchField.js

@@ -0,0 +1,21 @@
+const { createElement } = react;
+
+export const SearchField = ({ onSearchChange, initialValue }) =>
+  createElement('section', { class: 'search_section' }, [
+    createElement('input', {
+      class: 'search_field',
+      type: 'text',
+      placeholder: 'Search users...',
+      value: initialValue,
+    }),
+    createElement(
+      'button',
+      {
+        class: 'search_button',
+        onclick: () => {
+          onSearchChange(document.querySelector('.search_field').value);
+        },
+      },
+      ['Search'],
+    ),
+  ]);

users/discord/components/UsersSection.js

@@ -1,6 +1,12 @@
 const { createElement } = react;
 
 export const UsersSection = ({ users, showUser, handleUserSelected }) => {
+  if (users.length === 0) {
+    return createElement('div', { class: 'users_section no_users' }, [
+      createElement('div', {}, ['No users found']),
+    ]);
+  }
+
   return createElement(
     'aside',
     { class: 'users_section', onclick: handleUserSelected },

users/discord/style.css

@@ -11,9 +11,10 @@
 main {
   display: grid;
   grid-template-columns: minmax(10rem, 20rem) 1fr;
-  grid-template-rows: auto 1fr;
+  grid-template-rows: auto auto 1fr;
   grid-template-areas:
     'tab tab '
+    'search search'
     'aside details';
   height: 100vh;
 }
@@ -74,3 +75,23 @@ main {
   font-size: larger;
   padding: 2rem;
 }
+
+.users_section.no_users {
+  padding: 1rem;
+  margin: 1rem 2rem;
+}
+
+.search_section {
+  display: flex;
+}
+.search_field {
+  width: 14rem;
+  margin: 0.5rem 1rem;
+  padding: 0.5rem;
+  font-size: 1rem;
+}
+
+.search_button {
+  margin: 0.5rem 0rem;
+  width: 4rem;
+}

users/discord/utils/util.js

@@ -19,3 +19,23 @@ export const getUsers = async (tab) => {
     console.error(err);
   }
 };
+
+export const searchUser = async (searchTerm) => {
+  let URL = `${API_BASE_URL}/users?search=${searchTerm}&dev=true`; // dev=true is a temporary query param
+
+  try {
+    const response = await fetch(URL, {
+      method: 'GET',
+      credentials: 'include',
+      headers: {
+        'Content-type': 'application/json',
+      },
+    });
+
+    const data = await response.json();
+    return data.users ?? [];
+  } catch (err) {
+    console.error(err);
+    return [];
+  }
+};