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feat: hebrew audio in reading mode (#7)
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159 changes: 159 additions & 0 deletions
159
app/[locale]/(authenticated)/read/[code]/AudioPlayer.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| "use client"; | ||
|
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| import Button from "@/app/components/Button"; | ||
| import ComboboxInput from "@/app/components/ComboboxInput"; | ||
| import { Icon } from "@/app/components/Icon"; | ||
| import { bookKeys } from "@/data/book-keys"; | ||
| import { useTranslations } from "next-intl"; | ||
| import { useEffect, useRef, useState } from "react"; | ||
| import useSWR from "swr"; | ||
|
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| interface VerseAudioTiming { | ||
| verseId: string | ||
| start: number | ||
| } | ||
|
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| export interface AudioPlayerProps { | ||
| className?: string | ||
| chapterId: string | ||
| onVerseChange?(verseId: string | undefined): void | ||
| } | ||
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| const SPEEDS = [0.5, 0.75, 1, 1.25, 1.5] | ||
| const PREV_THRESHOLD = 1.5 // The time threshold after which clicking previous verse, restarts the current verse. | ||
|
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| export default function AudioPlayer({ className = '', chapterId, onVerseChange }: AudioPlayerProps) { | ||
| const t = useTranslations('AudioPlayer') | ||
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| const bookId = parseInt(chapterId.slice(0, 2)) || 1; | ||
| const chapter = parseInt(chapterId.slice(2, 5)) || 1; | ||
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| const [isPlaying, setPlaying] = useState(false) | ||
| const [speaker, setSpeaker] = useState('HEB') | ||
| const [speed, setSpeed] = useState(2) | ||
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| const { data } = useSWR(['chapter-audio', speaker, chapterId], async ([,speaker, chapterId]) => { | ||
| const response = await fetch(`/api/audio/${speaker}/${chapterId}`) | ||
| return await response.json() as Promise<VerseAudioTiming[]> | ||
| }) | ||
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| const canPlay = !!data | ||
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| const audio = useRef<HTMLAudioElement>(null) | ||
|
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| function reset() { | ||
| const el = audio.current | ||
| if (!el) return | ||
|
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| el.currentTime = data?.[0].start ?? 0 | ||
| } | ||
|
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| function prevVerse() { | ||
| const el = audio.current | ||
| if (!el || !data) return | ||
|
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| const currentIndex = data.reduce( | ||
| (last, v, i) => v.start > el.currentTime ? last : i, | ||
| -1 | ||
| ) | ||
| if (currentIndex < 0) return | ||
|
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| if (el.currentTime - data[currentIndex].start < PREV_THRESHOLD) { | ||
| el.currentTime = data[currentIndex - 1].start | ||
| } else if (currentIndex > 0) { | ||
| el.currentTime = data[currentIndex].start | ||
| } | ||
| } | ||
|
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| function nextVerse() { | ||
| const el = audio.current | ||
| if (!el || !data) return | ||
|
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| const currentIndex = data.reduce( | ||
| (last, v, i) => v.start > el.currentTime ? last : i, | ||
| -1 | ||
| ) | ||
| if (currentIndex < 0) return | ||
|
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| if (data[currentIndex + 1]) { | ||
| el.currentTime = data[currentIndex + 1].start | ||
| } | ||
| } | ||
|
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| function toggleSpeed() { | ||
| const newIndex = (speed + 1) % SPEEDS.length | ||
| setSpeed(newIndex) | ||
|
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| const el = audio.current | ||
| if (!el) return | ||
|
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| el.playbackRate = SPEEDS[newIndex] | ||
| } | ||
|
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| const src = `https://gbt-audio.s3.amazonaws.com/${speaker}/${bookKeys[bookId - 1]}/${chapter.toString().padStart(3, '0')}.mp3` | ||
| const progressInterval = useRef<NodeJS.Timeout>() | ||
| const lastVerseId = useRef<string>() | ||
| useEffect(() => { | ||
| if (isPlaying && data) { | ||
| audio.current?.play() | ||
| progressInterval.current = setInterval(() => { | ||
| const el = audio.current | ||
| if (!el) return | ||
|
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| const verse = data.reduce<VerseAudioTiming | undefined>( | ||
| (last, v) => v.start > el.currentTime ? last : v, | ||
| undefined | ||
| ) | ||
|
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| if (lastVerseId.current !== verse?.verseId) { | ||
| onVerseChange?.(verse?.verseId) | ||
| lastVerseId.current = verse?.verseId | ||
| } | ||
| }, 500) | ||
| return () => clearInterval(progressInterval.current) | ||
| } else { | ||
| audio.current?.pause() | ||
| if (lastVerseId.current !== undefined) { | ||
| onVerseChange?.(undefined) | ||
| lastVerseId.current = undefined | ||
| } | ||
| } | ||
| }, [isPlaying, src, data]) | ||
|
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| useEffect(() => { | ||
| const el = audio.current | ||
| if (!el) return | ||
|
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| el.currentTime = data?.[0].start ?? 0 | ||
| }, [data]) | ||
|
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| return <div className={`${className} flex items-center`}> | ||
| <audio ref={audio} src={src} /> | ||
| <Button variant="tertiary" className="w-8" disabled={!canPlay} onClick={prevVerse}> | ||
| <Icon icon='caret-left' size="lg" /> | ||
| <span className="sr-only">{t('prev')}</span> | ||
| </Button> | ||
| <Button variant="tertiary" className="w-8" disabled={!canPlay} onClick={reset}> | ||
| <Icon icon="arrow-rotate-left" /> | ||
| <span className="sr-only">{t('restart')}</span> | ||
| </Button> | ||
| <Button variant="tertiary" className="w-8" disabled={!canPlay} onClick={() => setPlaying(playing => !playing)}> | ||
| <Icon icon={isPlaying ? 'pause' : 'play'} /> | ||
| <span className="sr-only">{t(isPlaying ? 'pause' : 'play')}</span> | ||
| </Button> | ||
| <Button variant="tertiary" className="w-8" disabled={!canPlay} onClick={nextVerse}> | ||
| <Icon icon='caret-right' size="lg" /> | ||
| <span className="sr-only">{t('next')}</span> | ||
| </Button> | ||
| <Button variant="tertiary" className="w-10 text-sm !justify-start !ps-1" disabled={!canPlay} onClick={toggleSpeed}> | ||
| <span className="sr-only">{t('speed')}</span> | ||
| {SPEEDS[speed]}x | ||
| </Button> | ||
| <ComboboxInput | ||
| className="ms-2 w-56" | ||
| items={[{ label: 'Abraham Schmueloff', value: 'HEB' }, { label: 'Rabbi Dan Beeri', value: 'RDB' }]} | ||
| value={speaker} onChange={setSpeaker} | ||
| aria-label={t('speaker')} | ||
| /> | ||
| </div> | ||
| } |
8 changes: 5 additions & 3 deletions
8
app/[locale]/(authenticated)/read/[code]/ReadingClientState.tsx
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