bsky-app/src/view/com/composer/Composer.tsx
Paul Frazee f6f1fe2558 Feed updates (Closes #344) (#356)
* Rework feed polling to correctly detect when new content is available (close #344)

* Tweak how the tuner works for consistency

* Improve the feed-update behavior after posting

* Load latest notifications when opening the tab
2023-03-22 15:46:49 -05:00

421 lines
12 KiB
TypeScript

import React, {useEffect, useRef, useState} from 'react'
import {observer} from 'mobx-react-lite'
import {
ActivityIndicator,
KeyboardAvoidingView,
Platform,
SafeAreaView,
ScrollView,
StyleSheet,
TouchableOpacity,
TouchableWithoutFeedback,
View,
} from 'react-native'
import LinearGradient from 'react-native-linear-gradient'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {useAnalytics} from 'lib/analytics'
import {UserAutocompleteViewModel} from 'state/models/user-autocomplete-view'
import {ExternalEmbed} from './ExternalEmbed'
import {Text} from '../util/text/Text'
import * as Toast from '../util/Toast'
import {TextInput, TextInputRef} from './text-input/TextInput'
import {CharProgress} from './char-progress/CharProgress'
import {UserAvatar} from '../util/UserAvatar'
import {useStores} from 'state/index'
import * as apilib from 'lib/api/index'
import {ComposerOpts} from 'state/models/ui/shell'
import {s, colors, gradients} from 'lib/styles'
import {cleanError} from 'lib/strings/errors'
import {SelectPhotoBtn} from './photos/SelectPhotoBtn'
import {OpenCameraBtn} from './photos/OpenCameraBtn'
import {SelectedPhotos} from './photos/SelectedPhotos'
import {usePalette} from 'lib/hooks/usePalette'
import QuoteEmbed from '../util/PostEmbeds/QuoteEmbed'
import {useExternalLinkFetch} from './useExternalLinkFetch'
import {isDesktopWeb} from 'platform/detection'
const MAX_TEXT_LENGTH = 256
export const ComposePost = observer(function ComposePost({
replyTo,
onPost,
onClose,
quote: initQuote,
}: {
replyTo?: ComposerOpts['replyTo']
onPost?: ComposerOpts['onPost']
onClose: () => void
quote?: ComposerOpts['quote']
}) {
const {track} = useAnalytics()
const pal = usePalette('default')
const store = useStores()
const textInput = useRef<TextInputRef>(null)
const [isProcessing, setIsProcessing] = useState(false)
const [processingState, setProcessingState] = useState('')
const [error, setError] = useState('')
const [text, setText] = useState('')
const [quote, setQuote] = useState<ComposerOpts['quote'] | undefined>(
initQuote,
)
const {extLink, setExtLink} = useExternalLinkFetch({setQuote})
const [suggestedLinks, setSuggestedLinks] = useState<Set<string>>(new Set())
const [selectedPhotos, setSelectedPhotos] = useState<string[]>([])
const autocompleteView = React.useMemo<UserAutocompleteViewModel>(
() => new UserAutocompleteViewModel(store),
[store],
)
// HACK
// there's a bug with @mattermost/react-native-paste-input where if the input
// is focused during unmount, an exception will throw (seems that a blur method isnt implemented)
// manually blurring before closing gets around that
// -prf
const hackfixOnClose = React.useCallback(() => {
textInput.current?.blur()
onClose()
}, [textInput, onClose])
// initial setup
useEffect(() => {
autocompleteView.setup()
}, [autocompleteView])
useEffect(() => {
// HACK
// wait a moment before focusing the input to resolve some layout bugs with the keyboard-avoiding-view
// -prf
let to: NodeJS.Timeout | undefined
if (textInput.current) {
to = setTimeout(() => {
textInput.current?.focus()
}, 250)
}
return () => {
if (to) {
clearTimeout(to)
}
}
}, [])
const onPressContainer = React.useCallback(() => {
textInput.current?.focus()
}, [textInput])
const onSelectPhotos = React.useCallback(
(photos: string[]) => {
track('Composer:SelectedPhotos')
setSelectedPhotos(photos)
},
[track, setSelectedPhotos],
)
const onPressAddLinkCard = React.useCallback(
(uri: string) => {
setExtLink({uri, isLoading: true})
},
[setExtLink],
)
const onPhotoPasted = React.useCallback(
async (uri: string) => {
if (selectedPhotos.length >= 4) {
return
}
onSelectPhotos([...selectedPhotos, uri])
},
[selectedPhotos, onSelectPhotos],
)
const onPressPublish = React.useCallback(async () => {
if (isProcessing) {
return
}
if (text.length > MAX_TEXT_LENGTH) {
return
}
setError('')
if (text.trim().length === 0 && selectedPhotos.length === 0) {
setError('Did you want to say anything?')
return false
}
setIsProcessing(true)
try {
await apilib.post(store, {
rawText: text,
replyTo: replyTo?.uri,
images: selectedPhotos,
quote: quote,
extLink: extLink,
onStateChange: setProcessingState,
knownHandles: autocompleteView.knownHandles,
})
track('Create Post', {
imageCount: selectedPhotos.length,
})
} catch (e: any) {
if (extLink) {
setExtLink({
...extLink,
isLoading: true,
localThumb: undefined,
} as apilib.ExternalEmbedDraft)
}
setError(cleanError(e.message))
setIsProcessing(false)
return
}
store.me.mainFeed.checkForLatest({autoPrepend: true})
onPost?.()
hackfixOnClose()
Toast.show(`Your ${replyTo ? 'reply' : 'post'} has been published`)
}, [
isProcessing,
text,
setError,
setIsProcessing,
replyTo,
autocompleteView.knownHandles,
extLink,
hackfixOnClose,
onPost,
quote,
selectedPhotos,
setExtLink,
store,
track,
])
const canPost = text.length <= MAX_TEXT_LENGTH
const selectTextInputPlaceholder = replyTo
? 'Write your reply'
: selectedPhotos.length !== 0
? 'Write a comment'
: "What's up?"
return (
<KeyboardAvoidingView
testID="composePostView"
behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
style={styles.outer}>
<TouchableWithoutFeedback onPressIn={onPressContainer}>
<SafeAreaView style={s.flex1}>
<View style={styles.topbar}>
<TouchableOpacity
testID="composerCancelButton"
onPress={hackfixOnClose}>
<Text style={[pal.link, s.f18]}>Cancel</Text>
</TouchableOpacity>
<View style={s.flex1} />
{isProcessing ? (
<View style={styles.postBtn}>
<ActivityIndicator />
</View>
) : canPost ? (
<TouchableOpacity
testID="composerPublishButton"
onPress={onPressPublish}>
<LinearGradient
colors={[gradients.blueLight.start, gradients.blueLight.end]}
start={{x: 0, y: 0}}
end={{x: 1, y: 1}}
style={styles.postBtn}>
<Text style={[s.white, s.f16, s.bold]}>
{replyTo ? 'Reply' : 'Post'}
</Text>
</LinearGradient>
</TouchableOpacity>
) : (
<View style={[styles.postBtn, pal.btn]}>
<Text style={[pal.textLight, s.f16, s.bold]}>Post</Text>
</View>
)}
</View>
{isProcessing ? (
<View style={[pal.btn, styles.processingLine]}>
<Text style={pal.text}>{processingState}</Text>
</View>
) : undefined}
{error !== '' && (
<View style={styles.errorLine}>
<View style={styles.errorIcon}>
<FontAwesomeIcon
icon="exclamation"
style={{color: colors.red4}}
size={10}
/>
</View>
<Text style={[s.red4, s.flex1]}>{error}</Text>
</View>
)}
<ScrollView
style={styles.scrollView}
keyboardShouldPersistTaps="always">
{replyTo ? (
<View style={[pal.border, styles.replyToLayout]}>
<UserAvatar avatar={replyTo.author.avatar} size={50} />
<View style={styles.replyToPost}>
<Text type="xl-medium" style={[pal.text]}>
{replyTo.author.displayName || replyTo.author.handle}
</Text>
<Text type="post-text" style={pal.text} numberOfLines={6}>
{replyTo.text}
</Text>
</View>
</View>
) : undefined}
<View style={[pal.border, styles.textInputLayout]}>
<UserAvatar avatar={store.me.avatar} size={50} />
<TextInput
ref={textInput}
text={text}
placeholder={selectTextInputPlaceholder}
suggestedLinks={suggestedLinks}
autocompleteView={autocompleteView}
onTextChanged={setText}
onPhotoPasted={onPhotoPasted}
onSuggestedLinksChanged={setSuggestedLinks}
onError={setError}
/>
</View>
{quote ? (
<View style={s.mt5}>
<QuoteEmbed quote={quote} />
</View>
) : undefined}
<SelectedPhotos
selectedPhotos={selectedPhotos}
onSelectPhotos={onSelectPhotos}
/>
{!selectedPhotos.length && extLink && (
<ExternalEmbed
link={extLink}
onRemove={() => setExtLink(undefined)}
/>
)}
</ScrollView>
{!extLink &&
selectedPhotos.length === 0 &&
suggestedLinks.size > 0 &&
!quote ? (
<View style={s.mb5}>
{Array.from(suggestedLinks).map(url => (
<TouchableOpacity
key={`suggested-${url}`}
style={[pal.borderDark, styles.addExtLinkBtn]}
onPress={() => onPressAddLinkCard(url)}>
<Text style={pal.text}>
Add link card: <Text style={pal.link}>{url}</Text>
</Text>
</TouchableOpacity>
))}
</View>
) : null}
<View style={[pal.border, styles.bottomBar]}>
<SelectPhotoBtn
enabled={!quote && selectedPhotos.length < 4}
selectedPhotos={selectedPhotos}
onSelectPhotos={setSelectedPhotos}
/>
<OpenCameraBtn
enabled={!quote && selectedPhotos.length < 4}
selectedPhotos={selectedPhotos}
onSelectPhotos={setSelectedPhotos}
/>
<View style={s.flex1} />
<CharProgress count={text.length} />
</View>
</SafeAreaView>
</TouchableWithoutFeedback>
</KeyboardAvoidingView>
)
})
const styles = StyleSheet.create({
outer: {
flexDirection: 'column',
flex: 1,
height: '100%',
},
topbar: {
flexDirection: 'row',
alignItems: 'center',
paddingTop: isDesktopWeb ? 10 : undefined,
paddingBottom: 10,
paddingHorizontal: 20,
height: 55,
},
postBtn: {
borderRadius: 20,
paddingHorizontal: 20,
paddingVertical: 6,
},
processingLine: {
borderRadius: 6,
paddingHorizontal: 8,
paddingVertical: 6,
marginHorizontal: 15,
marginBottom: 6,
},
errorLine: {
flexDirection: 'row',
backgroundColor: colors.red1,
borderRadius: 6,
marginHorizontal: 15,
paddingHorizontal: 8,
paddingVertical: 6,
marginVertical: 6,
},
errorIcon: {
borderWidth: 1,
borderColor: colors.red4,
color: colors.red4,
borderRadius: 30,
width: 16,
height: 16,
alignItems: 'center',
justifyContent: 'center',
marginRight: 5,
},
scrollView: {
flex: 1,
paddingHorizontal: 15,
},
textInputLayout: {
flex: isDesktopWeb ? undefined : 1,
flexDirection: 'row',
borderTopWidth: 1,
paddingTop: 16,
},
replyToLayout: {
flexDirection: 'row',
borderTopWidth: 1,
paddingTop: 16,
paddingBottom: 16,
},
replyToPost: {
flex: 1,
paddingLeft: 13,
paddingRight: 8,
},
addExtLinkBtn: {
borderWidth: 1,
borderRadius: 24,
paddingHorizontal: 16,
paddingVertical: 12,
marginBottom: 4,
},
bottomBar: {
flexDirection: 'row',
paddingVertical: 10,
paddingLeft: 15,
paddingRight: 20,
alignItems: 'center',
borderTopWidth: 1,
},
})