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import React from 'react'
import {type AppBskyActorDefs} from '@atproto/api'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useNavigation} from '@react-navigation/native'
import {logger} from '#/logger'
import {useProfileShadow} from '#/state/cache/profile-shadow'
import {
useProfileFollowMutationQueue,
useProfileQuery,
} from '#/state/queries/profile'
import {useRequireAuth} from '#/state/session'
import * as Toast from '#/view/com/util/Toast'
import {atoms as a, useBreakpoints} from '#/alf'
import {Button, ButtonIcon, ButtonText} from '#/components/Button'
import {Check_Stroke2_Corner0_Rounded as Check} from '#/components/icons/Check'
import {PlusLarge_Stroke2_Corner0_Rounded as Plus} from '#/components/icons/Plus'
export function ThreadItemAnchorFollowButton({did}: {did: string}) {
const {data: profile, isLoading} = useProfileQuery({did})
// We will never hit this - the profile will always be cached or loaded above
// but it keeps the typechecker happy
if (isLoading || !profile) return null
return <PostThreadFollowBtnLoaded profile={profile} />
}
function PostThreadFollowBtnLoaded({
profile: profileUnshadowed,
}: {
profile: AppBskyActorDefs.ProfileViewDetailed
}) {
const navigation = useNavigation()
const {_} = useLingui()
const {gtMobile} = useBreakpoints()
const profile = useProfileShadow(profileUnshadowed)
const [queueFollow, queueUnfollow] = useProfileFollowMutationQueue(
profile,
'PostThreadItem',
)
const requireAuth = useRequireAuth()
const isFollowing = !!profile.viewer?.following
const isFollowedBy = !!profile.viewer?.followedBy
const [wasFollowing, setWasFollowing] = React.useState<boolean>(isFollowing)
// This prevents the button from disappearing as soon as we follow.
const showFollowBtn = React.useMemo(
() => !isFollowing || !wasFollowing,
[isFollowing, wasFollowing],
)
/**
* We want this button to stay visible even after following, so that the user can unfollow if they want.
* However, we need it to disappear after we push to a screen and then come back. We also need it to
* show up if we view the post while following, go to the profile and unfollow, then come back to the
* post.
*
* We want to update wasFollowing both on blur and on focus so that we hit all these cases. On native,
* we could do this only on focus because the transition animation gives us time to not notice the
* sudden rendering of the button. However, on web if we do this, there's an obvious flicker once the
* button renders. So, we update the state in both cases.
*/
React.useEffect(() => {
const updateWasFollowing = () => {
if (wasFollowing !== isFollowing) {
setWasFollowing(isFollowing)
}
}
const unsubscribeFocus = navigation.addListener('focus', updateWasFollowing)
const unsubscribeBlur = navigation.addListener('blur', updateWasFollowing)
return () => {
unsubscribeFocus()
unsubscribeBlur()
}
}, [isFollowing, wasFollowing, navigation])
const onPress = React.useCallback(() => {
if (!isFollowing) {
requireAuth(async () => {
try {
await queueFollow()
} catch (e: any) {
if (e?.name !== 'AbortError') {
logger.error('Failed to follow', {message: String(e)})
Toast.show(_(msg`There was an issue! ${e.toString()}`), 'xmark')
}
}
})
} else {
requireAuth(async () => {
try {
await queueUnfollow()
} catch (e: any) {
if (e?.name !== 'AbortError') {
logger.error('Failed to unfollow', {message: String(e)})
Toast.show(_(msg`There was an issue! ${e.toString()}`), 'xmark')
}
}
})
}
}, [isFollowing, requireAuth, queueFollow, _, queueUnfollow])
if (!showFollowBtn) return null
return (
<Button
testID="followBtn"
label={_(msg`Follow ${profile.handle}`)}
onPress={onPress}
size="small"
variant="solid"
color={isFollowing ? 'secondary' : 'secondary_inverted'}
style={[a.rounded_full]}>
{gtMobile && (
<ButtonIcon
icon={isFollowing ? Check : Plus}
position="left"
size="sm"
/>
)}
<ButtonText>
{!isFollowing ? (
isFollowedBy ? (
<Trans>Follow back</Trans>
) : (
<Trans>Follow</Trans>
)
) : (
<Trans>Following</Trans>
)}
</ButtonText>
</Button>
)
}
|
