Стилизация формы создания лекции #12
@ -51,11 +51,11 @@ export const api = createApi({
|
|||||||
query: (courseId) => `/lesson/list/${courseId}`,
|
query: (courseId) => `/lesson/list/${courseId}`,
|
||||||
providesTags: ['LessonList']
|
providesTags: ['LessonList']
|
||||||
}),
|
}),
|
||||||
createLesson: builder.mutation<BaseResponse<Lesson>, Pick<Lesson, 'name'> & { courseId: string }>({
|
createLesson: builder.mutation<BaseResponse<Lesson>, Pick<Lesson, 'name' | 'date'> & { courseId: string }>({
|
||||||
query: ({ name, courseId }) => ({
|
query: ({ name, courseId, date }) => ({
|
||||||
url: '/lesson',
|
url: '/lesson',
|
||||||
method: 'POST',
|
method: 'POST',
|
||||||
body: { name, courseId },
|
body: { name, courseId, date },
|
||||||
}),
|
}),
|
||||||
invalidatesTags: ['LessonList']
|
invalidatesTags: ['LessonList']
|
||||||
}),
|
}),
|
||||||
|
@ -2,34 +2,44 @@ import React, { useCallback, useEffect, useRef, useState } from 'react'
|
|||||||
import dayjs from 'dayjs'
|
import dayjs from 'dayjs'
|
||||||
import { Link, useParams } from 'react-router-dom'
|
import { Link, useParams } from 'react-router-dom'
|
||||||
import { getNavigationsValue } from '@ijl/cli'
|
import { getNavigationsValue } from '@ijl/cli'
|
||||||
|
import { useForm, Controller } from 'react-hook-form'
|
||||||
import {
|
import {
|
||||||
Breadcrumb,
|
Breadcrumb,
|
||||||
BreadcrumbItem,
|
BreadcrumbItem,
|
||||||
BreadcrumbLink,
|
BreadcrumbLink,
|
||||||
|
Container,
|
||||||
|
Box,
|
||||||
|
Card,
|
||||||
|
CardBody,
|
||||||
|
CardHeader,
|
||||||
|
Heading,
|
||||||
|
Button,
|
||||||
|
ButtonGroup,
|
||||||
|
CloseButton,
|
||||||
|
useToast,
|
||||||
|
Stack,
|
||||||
|
VStack,
|
||||||
|
FormControl,
|
||||||
|
FormLabel,
|
||||||
|
FormHelperText,
|
||||||
|
FormErrorMessage,
|
||||||
|
Input,
|
||||||
} from '@chakra-ui/react'
|
} from '@chakra-ui/react'
|
||||||
|
|
||||||
import {
|
import { AddIcon } from '@chakra-ui/icons'
|
||||||
ArrowImg,
|
|
||||||
IconButton,
|
import { LessonItem, Lessonname, ErrorSpan } from './style'
|
||||||
InputElement,
|
|
||||||
InputLabel,
|
|
||||||
InputWrapper,
|
|
||||||
StartWrapper,
|
|
||||||
LessonItem,
|
|
||||||
Lessonname,
|
|
||||||
Papper,
|
|
||||||
ErrorSpan,
|
|
||||||
Cross,
|
|
||||||
AddButton,
|
|
||||||
MainWrapper,
|
|
||||||
} from './style'
|
|
||||||
|
|
||||||
import arrow from '../assets/36-arrow-right.svg'
|
|
||||||
import { keycloak } from '../__data__/kc'
|
import { keycloak } from '../__data__/kc'
|
||||||
import { useAppSelector } from '../__data__/store'
|
import { useAppSelector } from '../__data__/store'
|
||||||
import { api } from '../__data__/api/api'
|
import { api } from '../__data__/api/api'
|
||||||
import { isTeacher } from '../utils/user'
|
import { isTeacher } from '../utils/user'
|
||||||
|
|
||||||
|
interface NewLessonForm {
|
||||||
|
name: string
|
||||||
|
date: string
|
||||||
|
}
|
||||||
|
|
||||||
const LessonList = () => {
|
const LessonList = () => {
|
||||||
const { courseId } = useParams()
|
const { courseId } = useParams()
|
||||||
const user = useAppSelector((s) => s.user)
|
const user = useAppSelector((s) => s.user)
|
||||||
@ -37,6 +47,20 @@ const LessonList = () => {
|
|||||||
const [createLesson, crLQuery] = api.useCreateLessonMutation()
|
const [createLesson, crLQuery] = api.useCreateLessonMutation()
|
||||||
const [value, setValue] = useState('')
|
const [value, setValue] = useState('')
|
||||||
const [showForm, setShowForm] = useState(false)
|
const [showForm, setShowForm] = useState(false)
|
||||||
|
const {
|
||||||
|
control,
|
||||||
|
handleSubmit,
|
||||||
|
reset,
|
||||||
|
formState: { errors },
|
||||||
|
getValues,
|
||||||
|
} = useForm<NewLessonForm>({
|
||||||
|
defaultValues: {
|
||||||
|
name: '',
|
||||||
|
date: '',
|
||||||
|
},
|
||||||
|
})
|
||||||
|
const toast = useToast()
|
||||||
|
const toastRef = useRef(null)
|
||||||
|
|
||||||
const handleChange = useCallback(
|
const handleChange = useCallback(
|
||||||
(event) => {
|
(event) => {
|
||||||
@ -44,88 +68,161 @@ const LessonList = () => {
|
|||||||
},
|
},
|
||||||
[setValue],
|
[setValue],
|
||||||
)
|
)
|
||||||
const handleSubmit = useCallback(
|
const onSubmit = ({ name, date }) => {
|
||||||
(event) => {
|
toastRef.current = toast({
|
||||||
event.preventDefault()
|
title: 'Отправляем',
|
||||||
createLesson({ name: value, courseId })
|
status: 'loading',
|
||||||
},
|
duration: 9000,
|
||||||
[value],
|
})
|
||||||
)
|
createLesson({ name, courseId, date })
|
||||||
|
}
|
||||||
|
|
||||||
useEffect(() => {
|
useEffect(() => {
|
||||||
if (crLQuery.isSuccess) {
|
if (crLQuery.isSuccess) {
|
||||||
setValue('')
|
const values = getValues()
|
||||||
|
if (toastRef.current) {
|
||||||
|
toast.update(toastRef.current, {
|
||||||
|
title: 'Лекция создана',
|
||||||
|
description: `Лекция ${values.name} успешно создана`,
|
||||||
|
status: 'success',
|
||||||
|
duration: 9000,
|
||||||
|
isClosable: true,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
reset()
|
||||||
}
|
}
|
||||||
}, [crLQuery.isSuccess])
|
}, [crLQuery.isSuccess])
|
||||||
|
|
||||||
return (
|
return (
|
||||||
<MainWrapper>
|
<Container maxW="container.xl">
|
||||||
<StartWrapper>
|
<Breadcrumb>
|
||||||
<Breadcrumb>
|
<BreadcrumbItem>
|
||||||
<BreadcrumbItem>
|
<BreadcrumbLink as={Link} to={getNavigationsValue('journal.main')}>
|
||||||
<BreadcrumbLink as={Link} to={getNavigationsValue('journal.main')}>Журнал</BreadcrumbLink>
|
Журнал
|
||||||
</BreadcrumbItem>
|
</BreadcrumbLink>
|
||||||
|
</BreadcrumbItem>
|
||||||
|
|
||||||
<BreadcrumbItem isCurrentPage>
|
<BreadcrumbItem isCurrentPage>
|
||||||
<BreadcrumbLink href="#">Курс</BreadcrumbLink>
|
<BreadcrumbLink href="#">Курс</BreadcrumbLink>
|
||||||
</BreadcrumbItem>
|
</BreadcrumbItem>
|
||||||
</Breadcrumb>
|
</Breadcrumb>
|
||||||
|
|
||||||
{isTeacher(user) && (
|
{isTeacher(user) && (
|
||||||
<>
|
<Box mt="15" mb="15">
|
||||||
{showForm ? (
|
{showForm ? (
|
||||||
<Papper>
|
<Card align="left">
|
||||||
<Cross role="button" onClick={() => setShowForm(false)}>
|
<CardHeader display="flex">
|
||||||
X
|
<Heading as="h2" mt="0">
|
||||||
</Cross>
|
Создание лекции
|
||||||
<form onSubmit={handleSubmit}>
|
</Heading>
|
||||||
<InputWrapper>
|
<CloseButton ml="auto" onClick={() => setShowForm(false)} />
|
||||||
<InputLabel htmlFor="input">
|
</CardHeader>
|
||||||
Название новой лекции:
|
<CardBody>
|
||||||
</InputLabel>
|
<form onSubmit={handleSubmit(onSubmit)}>
|
||||||
<InputElement
|
<VStack spacing="10" align="left">
|
||||||
value={value}
|
<Controller
|
||||||
onChange={handleChange}
|
control={control}
|
||||||
id="input"
|
name="date"
|
||||||
type="text"
|
rules={{ required: 'Обязательное поле' }}
|
||||||
autoComplete="off"
|
render={({ field }) => (
|
||||||
|
<FormControl>
|
||||||
|
<FormLabel>Дата</FormLabel>
|
||||||
|
<Input
|
||||||
|
{...field}
|
||||||
|
required={false}
|
||||||
|
placeholder="Укажите дату лекции"
|
||||||
|
size="md"
|
||||||
|
type="datetime-local"
|
||||||
|
/>
|
||||||
|
{errors.date ? (
|
||||||
|
<FormErrorMessage>
|
||||||
|
{errors.date?.message}
|
||||||
|
</FormErrorMessage>
|
||||||
|
) : (
|
||||||
|
<FormHelperText>
|
||||||
|
Укажите дату и время лекции
|
||||||
|
</FormHelperText>
|
||||||
|
)}
|
||||||
|
</FormControl>
|
||||||
|
)}
|
||||||
/>
|
/>
|
||||||
<IconButton type="submit">
|
|
||||||
<ArrowImg src={arrow} />
|
<Controller
|
||||||
</IconButton>
|
control={control}
|
||||||
</InputWrapper>
|
name="name"
|
||||||
|
rules={{ required: 'Обязательное поле' }}
|
||||||
|
render={({ field }) => (
|
||||||
|
<FormControl
|
||||||
|
isRequired
|
||||||
|
isInvalid={Boolean(errors.name)}
|
||||||
|
>
|
||||||
|
<FormLabel>Название новой лекции:</FormLabel>
|
||||||
|
<Input
|
||||||
|
{...field}
|
||||||
|
required={false}
|
||||||
|
placeholder="Название лекции"
|
||||||
|
size="md"
|
||||||
|
/>
|
||||||
|
{errors.name && (
|
||||||
|
<FormErrorMessage>
|
||||||
|
{errors.name.message}
|
||||||
|
</FormErrorMessage>
|
||||||
|
)}
|
||||||
|
</FormControl>
|
||||||
|
)}
|
||||||
|
/>
|
||||||
|
<Box mt="10">
|
||||||
|
<Button
|
||||||
|
size="lg"
|
||||||
|
type="submit"
|
||||||
|
leftIcon={<AddIcon />}
|
||||||
|
colorScheme="blue"
|
||||||
|
>
|
||||||
|
Создать
|
||||||
|
</Button>
|
||||||
|
</Box>
|
||||||
|
</VStack>
|
||||||
|
|
||||||
{crLQuery.error && (
|
{crLQuery.error && (
|
||||||
<ErrorSpan>{(crLQuery.error as any).error}</ErrorSpan>
|
<ErrorSpan>{(crLQuery.error as any).error}</ErrorSpan>
|
||||||
)}
|
)}
|
||||||
</form>
|
</form>
|
||||||
</Papper>
|
</CardBody>
|
||||||
) : (
|
</Card>
|
||||||
<AddButton onClick={() => setShowForm(true)}>Добавить</AddButton>
|
) : (
|
||||||
)}
|
<Box p="2" m="2">
|
||||||
</>
|
<Button
|
||||||
)}
|
leftIcon={<AddIcon />}
|
||||||
<ul style={{ paddingLeft: 0 }}>
|
colorScheme="green"
|
||||||
{data?.body?.map((lesson) => (
|
onClick={() => setShowForm(true)}
|
||||||
<LessonItem key={lesson._id}>
|
|
||||||
<Link
|
|
||||||
to={
|
|
||||||
isTeacher(user)
|
|
||||||
? `${getNavigationsValue('journal.main')}/lesson/${courseId}/${lesson._id}`
|
|
||||||
: ''
|
|
||||||
}
|
|
||||||
style={{ display: 'flex' }}
|
|
||||||
>
|
>
|
||||||
<Lessonname>{lesson.name}</Lessonname>
|
Добавить
|
||||||
<span>{dayjs(lesson.date).format('DD MMMM YYYYг.')}</span>
|
</Button>
|
||||||
<span style={{ marginLeft: 'auto' }}>
|
</Box>
|
||||||
Участников - {lesson.students.length}
|
)}
|
||||||
</span>
|
</Box>
|
||||||
</Link>
|
)}
|
||||||
</LessonItem>
|
<ul style={{ paddingLeft: 0 }}>
|
||||||
))}
|
{data?.body?.map((lesson) => (
|
||||||
</ul>
|
<LessonItem key={lesson._id}>
|
||||||
</StartWrapper>
|
<Link
|
||||||
</MainWrapper>
|
to={
|
||||||
|
isTeacher(user)
|
||||||
|
? `${getNavigationsValue('journal.main')}/lesson/${courseId}/${lesson._id}`
|
||||||
|
: ''
|
||||||
|
}
|
||||||
|
style={{ display: 'flex' }}
|
||||||
|
>
|
||||||
|
<Lessonname>{lesson.name}</Lessonname>
|
||||||
|
<span>{dayjs(lesson.date).format('DD MMMM YYYYг.')}</span>
|
||||||
|
<span style={{ marginLeft: 'auto' }}>
|
||||||
|
Участников - {lesson.students.length}
|
||||||
|
</span>
|
||||||
|
</Link>
|
||||||
|
</LessonItem>
|
||||||
|
))}
|
||||||
|
</ul>
|
||||||
|
</Container>
|
||||||
)
|
)
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -592,6 +592,155 @@
|
|||||||
"email": "sharova@mail.ru"
|
"email": "sharova@mail.ru"
|
||||||
}
|
}
|
||||||
|
|
||||||
|
],
|
||||||
|
"date": "2024-03-08T21:18:07.033Z",
|
||||||
|
"created": "2024-03-05T21:18:07.033Z",
|
||||||
|
"__v": 22
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"_id": "65e78c0fced789d2f6791tt5",
|
||||||
|
"name": "ВВОДНАЯ ПО JS.ПРИМЕНЕНИЕ И СПОСОБЫ ПОДКЛЮЧЕНИЯ НА СТРАНИЦЕ. LET, CONST. БАЗОВЫЕ ТИПЫ ДАННЫХ, ПРИВЕДЕНИЕ ТИПОВ. ПЕРЕМЕННЫЕ, ОБЛАСТЬ ВИДИМОСТИ ПЕРЕМЕННЫХ",
|
||||||
|
"students": [
|
||||||
|
{
|
||||||
|
"sub": "fcde3f22-d9ba-412a-a572-c59e515a290f",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Мария Капитанова",
|
||||||
|
"preferred_username": "maryaKapitan@gmail.com",
|
||||||
|
"given_name": "Мария",
|
||||||
|
"family_name": "Капитанова",
|
||||||
|
"email": "maryaKapitan@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJgIjjOFD2YUSyRF5kH4jaysE6X5p-kq0Cg0CFncfMi=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "5b072deb-33ee-443e-9718-3b5720a3dfb7",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Евгений Кореной",
|
||||||
|
"preferred_username": "koren@gmail.com",
|
||||||
|
"given_name": "Кореной",
|
||||||
|
"family_name": "Евгений",
|
||||||
|
"email": "koren@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJpVhDeG-Rpjjm2Un6r8ACz_s_injuIFKpzXf3qmyCn3Cg=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "7adf0cd1-cf07-4079-88d8-1a5c9b8f42c2",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Ирина Игнатьева",
|
||||||
|
"preferred_username": "irign@gmailcom",
|
||||||
|
"given_name": "Ирина",
|
||||||
|
"family_name": "Игнатьева",
|
||||||
|
"email": "irign@gmailcom",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocL45E4Gt8D5oyIl3ipkcGsv4ShWGs3bdlwEMA_1rzGZ=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "95ccc005-95b9-4305-9447-364a32033911",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Иван Петров",
|
||||||
|
"preferred_username": "petrov@mail.ru",
|
||||||
|
"given_name": "Иван",
|
||||||
|
"family_name": "Петров",
|
||||||
|
"email": "petrov@mail.ru",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocIgQn5mfDAh2djx-3ofG9z1Em26ZyuUgVPd-6rDOl6z=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "ede1ef2c-6ecf-484a-8fb8-282a77e1caa1",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Константин Тимуров",
|
||||||
|
"preferred_username": "konstantK@gmail.com",
|
||||||
|
"given_name": "Константин",
|
||||||
|
"family_name": "Тимуров",
|
||||||
|
"email": "konstantK@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJjnOfqaoAU_D4STrJPN9fPOeJ8tv60WbWVZu2ZWcHs=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "92cc6a15-805c-4439-b592-b23f32d6d208",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Александра Питерская",
|
||||||
|
"preferred_username": "piteralex@gmail.com",
|
||||||
|
"given_name": "Александра",
|
||||||
|
"family_name": "Питерская",
|
||||||
|
"email": "piteralex@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocKhbCbWvBBc_m7bjU5sLCE-dQ-KygBk-aUCSR8XaYtq=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "4a3ba8b8-4120-4877-a160-be9ba4d5b3e3",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Анастасия Светлых",
|
||||||
|
"preferred_username": "anastasya@gmail.ocm",
|
||||||
|
"given_name": "Анастасия",
|
||||||
|
"family_name": "Светлых",
|
||||||
|
"email": "anastasya@gmail.ocm",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJnsM8UGhbH806yLVgWZ17g3-gJFVcG0Uz5kvqT7dvC=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "b4634921-00b3-4082-9284-8ac47f269394",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Эмилия Снежко",
|
||||||
|
"preferred_username": "emi@mail.ru",
|
||||||
|
"given_name": "Эмилия",
|
||||||
|
"family_name": "Снежко",
|
||||||
|
"email": "emi@mail.ru",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocI98dzSFQDPr2LXMPFEUX8KLY6bY2m08O_aAj2B5KVNKg=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "bf1a95aa-39a2-4528-9b8d-319409995df5",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Юлия Бобова",
|
||||||
|
"preferred_username": "bobova@gmail.com",
|
||||||
|
"given_name": "Юлия",
|
||||||
|
"family_name": "Бобова",
|
||||||
|
"email": "bobova@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJ_Ud4iI-jgqcJ3QJcWpESbRLX_C1BnB8_7uTTC-4Dn=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "c273a3e3-f7ba-4057-8c57-a1f43b6174a5",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Анна Самоварова",
|
||||||
|
"preferred_username": "samovar@gmail.com",
|
||||||
|
"given_name": "Анна",
|
||||||
|
"family_name": "Самоварова",
|
||||||
|
"email": "samovar@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJOhIMdQkXPd55wTMgTTkUCnqbsu4EncgEPm67iz_mK=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "8555885b-715c-4dee-a7c5-9563a6a05211",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Евгения Жужова",
|
||||||
|
"preferred_username": "zhuzhova@gmail.com",
|
||||||
|
"given_name": "Евгения",
|
||||||
|
"family_name": "Жужова",
|
||||||
|
"email": "zhuzhova@gmail.com",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocJUtJBAVBm642AxoGpMDDMV8CPu3MEoLjU3hmO7oisG=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "12dee54f-64e9-4be3-9cb0-02ff07ab24fe",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Эдгар Петренко",
|
||||||
|
"preferred_username": "petrenk@mail.ru",
|
||||||
|
"given_name": "Эдгар",
|
||||||
|
"family_name": "Петренко",
|
||||||
|
"email": "petrenk@mail.ru",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocLgKAZag32kpGVHMVbh_GsU-rX_MAtmeVIPoov0ZPBYIA=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "4082b72a-4730-4841-ad68-06a0e19263df",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Елена Вавилон",
|
||||||
|
"preferred_username": "elenvavil@mail.ru",
|
||||||
|
"given_name": "Елена",
|
||||||
|
"family_name": "Вавилон",
|
||||||
|
"email": "elenvavil@mail.ru",
|
||||||
|
"picture": "https://lh3.googleusercontent.com/a/ACg8ocKXcmzcqRch2--j2Ge2m9e8MIOZ8y1MjsQ0cSEoXOmW=s96-c"
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"sub": "9e8a08d8-d76a-4f26-99c5-9a1d3c067104",
|
||||||
|
"email_verified": true,
|
||||||
|
"name": "Ольга Шарова",
|
||||||
|
"preferred_username": "julyashap",
|
||||||
|
"given_name": "Ольга",
|
||||||
|
"family_name": "Шарова",
|
||||||
|
"email": "sharova@mail.ru"
|
||||||
|
}
|
||||||
|
|
||||||
],
|
],
|
||||||
"date": "2024-03-08T21:18:07.033Z",
|
"date": "2024-03-08T21:18:07.033Z",
|
||||||
"created": "2024-03-05T21:18:07.033Z",
|
"created": "2024-03-05T21:18:07.033Z",
|
||||||
@ -599,3 +748,4 @@
|
|||||||
}
|
}
|
||||||
]
|
]
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user