feat: attach students modal layout

src/components/Buttons/index.tsx

@@ -9,14 +9,20 @@ export const CreateButton: React.FC<ButtonProps> = props => (
   </Button>
 );
 
+export const AddButton: React.FC<ButtonProps> = props => (
+  <Button variant='outline' size='sm' loadingText='Adding...' leftIcon={<AddIcon />} {...props}>
+    Add new
+  </Button>
+);
+
 export const DeleteButton: React.FC<ButtonProps> = props => (
-  <Button variant='outline' leftIcon={<DeleteIcon />} colorScheme='red' size='sm' {...props}>
+  <Button variant='outline' leftIcon={<DeleteIcon />} loadingText='Deleting...' colorScheme='red' size='sm' {...props}>
     Delete
   </Button>
 );
 
 export const EditButton: React.FC<ButtonProps> = props => (
-  <Button leftIcon={<EditIcon />} variant='outline' size='sm' {...props}>
+  <Button leftIcon={<EditIcon />} variant='outline' loadingText='Saving...' size='sm' {...props}>
     Edit
   </Button>
 );

src/components/Modal/BaseModal.tsx

@@ -0,0 +1,66 @@
+import React from 'react';
+import { Button } from '@chakra-ui/button';
+import { Text, Flex, Box, Divider } from '@chakra-ui/react';
+import {
+  Icon,
+  ModalProps,
+  Modal,
+  ModalOverlay,
+  ModalContent,
+  ModalHeader,
+  ModalFooter,
+  ModalBody,
+  ModalCloseButton,
+} from '@chakra-ui/react';
+import { IconType } from 'react-icons';
+
+export interface IBaseModalProps extends ModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  heading: string;
+  icon?: IconType;
+  description?: string;
+  confirmText?: string;
+}
+
+const BaseModal: React.FC<IBaseModalProps> = props => {
+  const { heading, description, isOpen, onClose, confirmText, icon, ...modalProps } = props;
+
+  return (
+    <Modal isOpen={isOpen} onClose={onClose} {...modalProps}>
+      <ModalOverlay />
+      <ModalContent>
+        <ModalHeader>
+          <Flex alignItems='center'>
+            {icon && <Icon as={icon} mr='2' />}
+            <Text fontWeight='bold'>{heading}</Text>
+          </Flex>
+          {description && (
+            <Box>
+              <Text fontSize='md' fontWeight='normal'>
+                {description}
+              </Text>
+            </Box>
+          )}
+        </ModalHeader>
+
+        <Divider />
+        <ModalCloseButton />
+
+        <ModalBody>
+          <Box>{props.children}</Box>
+        </ModalBody>
+        <ModalFooter>
+          <Button onClick={onClose} borderRadius='md' mr='2'>
+            Close
+          </Button>
+          <Button onClick={onClose} borderRadius='md' variant='outline' colorScheme='blue'>
+            {confirmText || 'Proceed'}
+          </Button>
+        </ModalFooter>
+      </ModalContent>
+    </Modal>
+  );
+};
+
+export default BaseModal;

src/components/Modal/index.ts

@@ -0,0 +1,3 @@
+import BaseModal from './BaseModal';
+
+export default BaseModal;

src/components/Modals/AddStudentsModal/AddSudentsModal.tsx

@@ -1,48 +1,147 @@
-import React from 'react';
-import { Button } from '@chakra-ui/button';
-import { Text, Flex } from '@chakra-ui/react';
+import React, { useCallback, useEffect, useState } from 'react';
+
 import {
-  Modal,
-  ModalOverlay,
-  ModalContent,
-  ModalHeader,
-  ModalFooter,
-  ModalBody,
-  ModalCloseButton,
+  Tag,
+  TagLabel,
+  TagCloseButton,
+  Input,
+  Box,
+  Flex,
+  IconButton,
+  BoxProps,
+  InputGroup,
+  Text,
+  Stack,
+  InputRightElement,
+  Avatar,
 } from '@chakra-ui/react';
-import { useDisclosure, Divider } from '@chakra-ui/react';
+import BaseModal from '@educt/components/Modal';
 import { MdGroup } from 'react-icons/md';
+import { AddIcon, SearchIcon } from '@chakra-ui/icons';
+import { UserServiceInstance } from '@educt/services';
+import { IUser } from '@educt/interfaces';
+import { useErrorHandler } from 'react-error-boundary';
+import { BeatLoader } from 'react-spinners';
+import { Virtuoso } from 'react-virtuoso';
+import { FetchUsersParamsType } from '@educt/types';
 
 type AddStudentsModalPropsType = {
   isOpen: boolean;
   onClose: () => void;
 };
 
+const SelectUsersInput: React.FC<BoxProps> = props => {
+  const [isLoading, setIsLoading] = useState<boolean>(false);
+  const [search, setSearch] = useState<string>('');
+  const [selected, setSelected] = useState<Array<IUser>>([]);
+  const [users, setUsers] = useState<Array<IUser>>([]);
+  const [limit, setLimit] = useState<number>(5);
+  const filtered = users.filter(u => selected.every(s => s.id !== u.id));
+  const handleError = useErrorHandler();
+  const isEmpty = filtered.length === 0;
+
+  const fetch = async (params?: FetchUsersParamsType | undefined) => {
+    try {
+      setIsLoading(true);
+      const { data } = await UserServiceInstance.fetchAll({ search, limit });
+      setUsers(data);
+    } catch (error: any) {
+      handleError(error);
+    } finally {
+      setIsLoading(false);
+    }
+  };
+
+  const handleSearch = (e: React.ChangeEvent<HTMLInputElement>) => setSearch(e.target.value);
+  const handleSelect = (user: IUser) => () => setSelected(prev => [...prev, user]);
+  const handleRemoveSelected = (id: IUser['id']) => () => setSelected(prev => prev.filter(u => u.id !== id));
+
+  useEffect(() => {
+    fetch();
+  }, [search]);
+
+  return (
+    <Box {...props}>
+      {selected.length !== 0 && (
+        <Box mt='1'>
+          {selected.map(selected => (
+            <Tag key={selected.id} size='md' colorScheme='blue' borderRadius='full' mr='1' mb='1'>
+              <Avatar size='xs' name={selected.fullname} ml={-1} mr={2} />
+              <TagLabel>{selected.fullname}</TagLabel>
+              <TagCloseButton onClick={handleRemoveSelected(selected.id)} />
+            </Tag>
+          ))}
+        </Box>
+      )}
+      <InputGroup mt='2'>
+        <Input
+          value={search}
+          onFocus={() => fetch()}
+          onChange={handleSearch}
+          type='text'
+          placeholder='Search for users...'
+        />
+        <InputRightElement pointerEvents='none' children={<SearchIcon color='gray.300' />} />
+      </InputGroup>
+
+      {isLoading && (
+        <Text as='small' color='gray.500'>
+          Loading... &nbsp;
+          <BeatLoader size={6} color='gray' />
+        </Text>
+      )}
+
+      {!isLoading && isEmpty && (
+        <Text as='small' color='red.500'>
+          Cannot find any user
+        </Text>
+      )}
+
+      {!isLoading && !isEmpty && (
+        <Stack borderWidth='1px' mt='2' borderRadius='md'>
+          <Virtuoso
+            style={{ height: filtered.length * 54, maxHeight: 216 }}
+            data={filtered}
+            itemContent={(index, user) => (
+              <Flex key={user.id} borderBottomWidth='1px' p='7px 16px' alignItems='center'>
+                <Avatar name={user.fullname} size='xs' mr={{ base: '0', sm: '3' }} mb={{ base: '1', sm: '0' }} />
+                <Box textAlign={{ base: 'center', sm: 'left' }}>
+                  <Text fontWeight='medium' fontSize='sm'>
+                    {user.fullname}
+                  </Text>
+                  <Text color='gray.500' fontSize='xs' overflowWrap='anywhere'>
+                    {user.email}
+                  </Text>
+                </Box>
+                <IconButton
+                  onClick={handleSelect(user)}
+                  aria-label='Add student'
+                  icon={<AddIcon />}
+                  ml='auto'
+                  borderRadius='full'
+                  size='sm'
+                />
+              </Flex>
+            )}
+          />
+        </Stack>
+      )}
+    </Box>
+  );
+};
+
 const AddStudentsModal: React.FC<AddStudentsModalPropsType> = ({ isOpen, onClose }) => {
   return (
-    <>
-      <Modal isOpen={isOpen} onClose={onClose} size='md'>
-        <ModalOverlay />
-        <ModalContent>
-          <ModalHeader>
-            <Flex alignItems='center'>
-              <MdGroup />
-              <Text ml={2}>Add students</Text>
-            </Flex>
-          </ModalHeader>
-
-          <ModalCloseButton />
-          <Divider />
-
-          <ModalBody></ModalBody>
-          <ModalFooter>
-            <Button colorScheme='blue' variant='outline' onClick={onClose}>
-              Save
-            </Button>
-          </ModalFooter>
-        </ModalContent>
-      </Modal>
-    </>
+    <BaseModal
+      icon={MdGroup}
+      heading='Add new students'
+      description='Attach new students to current course.'
+      confirmText='Add students'
+      isOpen={isOpen}
+      onClose={onClose}
+    >
+      <SelectUsersInput />
+    </BaseModal>
   );
 };
 

src/pages/courses/courses.tsx

@@ -10,6 +10,7 @@ import { IPageProps } from '@educt/interfaces';
  */
 import { PageWrapper, PageHeading, PageContent } from '@educt/components/PageElements';
 import { CreateButton } from '@educt/components/Buttons';
+import { Box } from '@chakra-ui/layout';
 import LoadingPage from '@educt/components/LoadingPage';
 import CourseList from './components/CourseList';
 import CategoryList from './components/CategoryList';
@@ -32,12 +33,17 @@ const CoursesPage: React.FC<IPageProps> = () => {
   } = useRootStore();
   const history = useHistory();
 
+  const handleCreateCourse = () => history.push('/courses/create');
+
   if (me === null) return <LoadingPage />;
 
   return (
     <PageWrapper>
-      <PageHeading heading='Courses' description='List of all courses' />
-      {(me.isAdmin || me.isTeacher) && <CreateButton onClick={() => history.push('/courses/create')} />}
+      <PageHeading heading='Courses' description='List of all courses'>
+        <Box mt='5'>
+          {(me.isAdmin || me.isTeacher) && <CreateButton onClick={handleCreateCourse} ml='auto' display='block' />}
+        </Box>
+      </PageHeading>
       <PageContent mt='10'>
         <CoursesTabs mb='7' />
         <CategoryList render={CategoryItem} />

src/pages/courses/edit/components/StudentTableList/StudentTableList.tsx

@@ -3,6 +3,7 @@ import { Table, Tbody, Button, Input, InputGroup, InputLeftElement, Flex, Box, T
 import { MdSearch } from 'react-icons/md';
 
 import AddStudentsModal from '@educt/components/Modals/AddStudentsModal';
+import { AddButton } from '@educt/components/Buttons';
 import BulkActionsMenu from './BulkActionsMenu';
 import StudentTableHead from './StudentTableHead';
 
@@ -17,8 +18,6 @@ import type { ICourse } from '@educt/interfaces';
  */
 import { useCallback, useState } from 'react';
 import { useDisclosure } from '@chakra-ui/react';
-import { AddIcon } from '@chakra-ui/icons';
-import { CreateButton } from '@educt/components/Buttons';
 
 type StudentTableListPropsType = {
   render: React.FC<StudentTableRowPropsType>;
@@ -105,7 +104,7 @@ const StudentTableList: React.FC<StudentTableListPropsType> = ({ render: Row, st
               <BulkActionsMenu selected={selected} rows={rows} setRows={setRows} />
             </>
           )}
-          <CreateButton onClick={onOpenAddStudentModal} />
+          <AddButton onClick={onOpenAddStudentModal} />
         </Flex>
       </Flex>
       <Table overflow='hidden' borderRadius='lg' mt='2'>

src/pages/courses/edit/edit.tsx

@@ -24,7 +24,7 @@ import { useParams } from 'react-router-dom';
 import { useRootStore } from '@educt/hooks/useRootStore';
 import { useFetchCourse } from '@educt/hooks/queries';
 import { useDisclosure } from '@chakra-ui/hooks';
-import { PageContent, PageWrapper } from '@educt/components/PageElements';
+import { PageContent, PageHeading, PageWrapper } from '@educt/components/PageElements';
 import { DeleteButton } from '@educt/components/Buttons';
 import { StatusButton } from './components';
 
@@ -60,18 +60,12 @@ const EditCoursePage: React.FC<IPageProps> = () => {
       </Helmet>
 
       <DeleteCourseDialog course={course} onClose={onCloseDeleteDialog} isOpen={isOpenDeleteDialog} />
-
-      <Flex justifyContent='space-between' alignItems='center' flexWrap='wrap'>
-        <Box mr='3'>
-          <Heading as='h1'>Course editor</Heading>
-          <Text mt='2'>{course.title}</Text>
-        </Box>
-        <Box ml='auto' alignSelf='flex-end' justifySelf='flex-end' mt={{ base: '7', md: '0' }}>
+      <PageHeading heading='Course editor' description={course.title}>
+        <Flex mt='5' justifyContent='flex-end'>
           <StatusButton courseId={course.id} currentStatus={course.status} />
           <DeleteButton onClick={onOpenDeleteDialog} ml='2' />
-        </Box>
-      </Flex>
-
+        </Flex>
+      </PageHeading>
       <PageContent>
         <Box>
           <Tabs isLazy mt='8'>

src/services/UserService.ts

@@ -28,7 +28,7 @@ class UserService {
    * @returns Array of users
    */
   public async fetchAll(params?: FetchUsersParamsType): Promise<IApiRespose<IUser[]>> {
-    const { page = 1, limit = 6, role, search } = params || {};
+    const { page, limit, role, search } = params || {};
     const result = await this.api.get('/v1/users', {
       params: {
         page,