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import React, {useCallback} from 'react'
import {StyleProp, TextStyle, View} from 'react-native'
import {msg} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useAgent} from '#/state/session'
import {TimeElapsed} from '#/view/com/util/TimeElapsed'
import {atoms as a, useTheme} from '#/alf'
import {Text} from '#/components/Typography'
import * as TempDmChatDefs from '#/temp/dm/defs'
export function MessageItem({
item,
next,
}: {
item: TempDmChatDefs.MessageView
next: TempDmChatDefs.MessageView | TempDmChatDefs.DeletedMessage | null
}) {
const t = useTheme()
const {getAgent} = useAgent()
const isFromSelf = item.sender?.did === getAgent().session?.did
const isNextFromSelf =
TempDmChatDefs.isMessageView(next) &&
next.sender?.did === getAgent().session?.did
const isLastInGroup = !next || isFromSelf ? !isNextFromSelf : isNextFromSelf
return (
<View>
<View
style={[
a.py_sm,
a.px_lg,
a.my_2xs,
a.rounded_md,
isFromSelf ? a.self_end : a.self_start,
{
maxWidth: '65%',
backgroundColor: isFromSelf
? t.palette.primary_500
: t.palette.contrast_50,
borderRadius: 17,
},
isFromSelf
? {borderBottomRightRadius: isLastInGroup ? 2 : 17}
: {borderBottomLeftRadius: isLastInGroup ? 2 : 17},
]}>
<Text
style={[
a.text_md,
a.leading_snug,
isFromSelf && {color: t.palette.white},
]}>
{item.text}
</Text>
</View>
<Metadata
message={item}
isLastInGroup={isLastInGroup}
style={isFromSelf ? a.text_right : a.text_left}
/>
</View>
)
}
function Metadata({
message,
isLastInGroup,
style,
}: {
message: TempDmChatDefs.MessageView
isLastInGroup: boolean
style: StyleProp<TextStyle>
}) {
const t = useTheme()
const {_} = useLingui()
const relativeTimestamp = useCallback(
(timestamp: string) => {
const date = new Date(timestamp)
const now = new Date()
const time = new Intl.DateTimeFormat(undefined, {
hour: 'numeric',
minute: 'numeric',
hour12: true,
}).format(date)
const diff = now.getTime() - date.getTime()
// under 1 minute
if (diff < 1000 * 60) {
return _(msg`Now`)
}
// in the last day
if (now.getDate() === date.getDate()) {
return time
}
// if yesterday
if (diff < 24 * 60 * 60 * 1000 && now.getDate() - date.getDate() === 1) {
return _(msg`Yesterday, ${time}`)
}
return new Intl.DateTimeFormat(undefined, {
hour: 'numeric',
minute: 'numeric',
hour12: true,
day: 'numeric',
month: 'numeric',
year: 'numeric',
}).format(date)
},
[_],
)
if (!isLastInGroup) {
return null
}
return (
<TimeElapsed timestamp={message.sentAt} timeToString={relativeTimestamp}>
{({timeElapsed}) => (
<Text
style={[
t.atoms.text_contrast_medium,
a.text_xs,
a.mt_xs,
a.mb_lg,
style,
]}>
{timeElapsed}
</Text>
)}
</TimeElapsed>
)
}
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