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229 lines
6.3 KiB
229 lines
6.3 KiB
import React, { useState, useEffect } from 'react'; |
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import { BrowserRouter as Router, Switch, Route, Link, useParams } from 'react-router-dom'; |
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import './light.css'; |
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import { Button, Container, Divider, Dropdown, Form, Grid, Header, Icon, Image, Menu, Message, Segment, Table } from 'semantic-ui-react'; |
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import moment from 'moment'; |
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import { isAdmin, isInstructor, BasicTable, requester } from './utils.js'; |
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import { NotFound, PleaseLogin } from './Misc.js'; |
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import { InstructorClassDetail, InstructorClassAttendance } from './InstructorClasses.js'; |
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function ClassTable(props) { |
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const { classes } = props; |
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return ( |
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<Table basic='very'> |
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<Table.Header> |
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<Table.Row> |
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<Table.HeaderCell>Name</Table.HeaderCell> |
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<Table.HeaderCell>Date</Table.HeaderCell> |
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<Table.HeaderCell>Time</Table.HeaderCell> |
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<Table.HeaderCell>Instructor</Table.HeaderCell> |
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<Table.HeaderCell>Cost</Table.HeaderCell> |
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<Table.HeaderCell>Students</Table.HeaderCell> |
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</Table.Row> |
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</Table.Header> |
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<Table.Body> |
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{classes.length ? |
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classes.map((x, i) => |
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<Table.Row key={i}> |
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<Table.Cell>{x.course_name}</Table.Cell> |
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<Table.Cell> |
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<Link to={'/classes/'+x.id}> |
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{moment.utc(x.datetime).local().format('ll')} |
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</Link> |
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</Table.Cell> |
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<Table.Cell>{x.is_cancelled ? 'Cancelled' : moment.utc(x.datetime).local().format('LT')}</Table.Cell> |
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<Table.Cell>{x.instructor_name}</Table.Cell> |
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<Table.Cell>{x.cost === '0.00' ? 'Free' : '$'+x.cost}</Table.Cell> |
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<Table.Cell>{x.student_count} {x.max_students && '/ '+x.max_students}</Table.Cell> |
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</Table.Row> |
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) |
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: |
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<p>None</p> |
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} |
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</Table.Body> |
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</Table> |
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); |
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}; |
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export function Classes(props) { |
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const [classes, setClasses] = useState(false); |
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const { token } = props; |
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useEffect(() => { |
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requester('/sessions/', 'GET', token) |
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.then(res => { |
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setClasses(res.results); |
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}) |
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.catch(err => { |
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console.log(err); |
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}); |
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}, []); |
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const now = new Date().toISOString(); |
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return ( |
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<Container> |
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<Header size='large'>Class List</Header> |
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<Header size='medium'>Upcoming</Header> |
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{classes ? |
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<ClassTable classes={classes.filter(x => x.datetime > now)} /> |
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: |
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<p>Loading...</p> |
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} |
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<Header size='medium'>Recent</Header> |
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{classes ? |
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<ClassTable classes={classes.filter(x => x.datetime < now)} /> |
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: |
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<p>Loading...</p> |
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} |
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</Container> |
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); |
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}; |
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export function ClassDetail(props) { |
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const [clazz, setClass] = useState(false); |
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const [error, setError] = useState(false); |
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const { token, user, setUserCache } = props; |
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const { id } = useParams(); |
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const userTraining = user.training.find(x => x.session.id == id); |
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useEffect(() => { |
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requester('/sessions/'+id+'/', 'GET', token) |
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.then(res => { |
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setClass(res); |
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}) |
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.catch(err => { |
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console.log(err); |
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setError(true); |
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}); |
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}, []); |
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const handleSignup = () => { |
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const data = { attendance_status: 'waiting for payment', session: id }; |
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requester('/training/', 'POST', token, data) |
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.then(res => { |
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// bad code: |
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const newClass = { ...clazz, student_count: clazz.student_count+1 }; |
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setUserCache({ ...user, training: [...user.training, {...res, session: newClass }] }); |
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setClass(newClass); |
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}) |
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.catch(err => { |
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console.log(err); |
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setError(true); |
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}); |
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}; |
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const handleToggle = (newStatus) => { |
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const data = { attendance_status: newStatus, session: id }; |
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requester('/training/'+userTraining.id+'/', 'PUT', token, data) |
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.then(res => { |
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// bad code: |
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const studentChange = newStatus === 'withdrawn' ? -1 : 1 |
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const newClass = { ...clazz, student_count: clazz.student_count + studentChange }; |
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const trainingIndex = user.training.indexOf(userTraining); |
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const newTraining = user.training; |
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newTraining[trainingIndex] = {...res, session: newClass }; |
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setUserCache({ ...user, training: newTraining }); |
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setClass(newClass); |
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}) |
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.catch(err => { |
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console.log(err); |
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setError(true); |
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}); |
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}; |
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// TODO: calculate yesterday and lock signups |
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return ( |
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<Container> |
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{!error ? |
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clazz ? |
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<div> |
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<Header size='large'>Class Details</Header> |
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{isInstructor(user) && <Segment padded> |
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<InstructorClassDetail clazz={clazz} setClass={setClass} {...props} /> |
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</Segment>} |
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<BasicTable> |
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<Table.Body> |
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<Table.Row> |
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<Table.Cell>Name:</Table.Cell> |
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<Table.Cell> |
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<Link to={'/courses/'+clazz.course}> |
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{clazz.course_name} |
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</Link> |
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</Table.Cell> |
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</Table.Row> |
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<Table.Row> |
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<Table.Cell>Date:</Table.Cell> |
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<Table.Cell> |
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{moment.utc(clazz.datetime).local().format('ll')} |
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</Table.Cell> |
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</Table.Row> |
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<Table.Row> |
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<Table.Cell>Time:</Table.Cell> |
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<Table.Cell> |
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{clazz.is_cancelled ? 'Cancelled' : moment.utc(clazz.datetime).local().format('LT')} |
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</Table.Cell> |
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</Table.Row> |
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<Table.Row> |
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<Table.Cell>Instructor:</Table.Cell> |
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<Table.Cell>{clazz.instructor_name}</Table.Cell> |
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</Table.Row> |
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<Table.Row> |
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<Table.Cell>Cost:</Table.Cell> |
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<Table.Cell>{clazz.cost === '0.00' ? 'Free' : '$'+clazz.cost}</Table.Cell> |
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</Table.Row> |
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<Table.Row> |
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<Table.Cell>Students:</Table.Cell> |
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<Table.Cell>{clazz.student_count} {clazz.max_students && '/ '+clazz.max_students}</Table.Cell> |
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</Table.Row> |
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</Table.Body> |
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</BasicTable> |
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<Header size='medium'>Attendance</Header> |
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{(isAdmin(user) || clazz.instructor === user.id) && |
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<Segment padded> |
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<InstructorClassAttendance clazz={clazz} {...props} /> |
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</Segment> |
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} |
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{clazz.instructor != user.id && |
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(userTraining ? |
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<div> |
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<p>Status: {userTraining.attendance_status}</p> |
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{userTraining.attendance_status === 'withdrawn' ? |
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<Button onClick={() => handleToggle('waiting for payment')}> |
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Sign back up |
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</Button> |
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: |
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<Button onClick={() => handleToggle('withdrawn')}> |
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Withdraw from Class |
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</Button> |
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} |
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</div> |
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: |
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((clazz.max_students && clazz.student_count >= clazz.max_students) ? |
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<p>The course is full.</p> |
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: |
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<Button onClick={handleSignup}> |
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Sign me up! |
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</Button> |
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) |
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) |
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} |
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</div> |
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: |
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<p>Loading...</p> |
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: |
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<NotFound /> |
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} |
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</Container> |
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); |
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}; |
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