Files
VoiceVault/frontend/src/pages/PostDetail.jsx
2026-02-15 07:59:54 -07:00

425 lines
14 KiB
JavaScript

import { useState, useEffect, useRef } from 'react'
import { ArrowLeft, Play, Pause, Volume2, Clock, Download, Share2, Calendar, Globe, Lock } from 'lucide-react'
import { api } from '../api'
export default function PostDetail({ postId, user, onBack }) {
const [post, setPost] = useState(null)
const [metadata, setMetadata] = useState(null)
const [chunks, setChunks] = useState([])
const [loading, setLoading] = useState(true)
const [error, setError] = useState(null)
// Audio player state
const [isPlaying, setIsPlaying] = useState(false)
const [currentTime, setCurrentTime] = useState(0)
const [duration, setDuration] = useState(0)
const [volume, setVolume] = useState(1)
const [downloading, setDownloading] = useState(false)
const audioRef = useRef(null)
useEffect(() => {
if (postId) {
loadPostData()
}
}, [postId])
const loadPostData = async () => {
setLoading(true)
setError(null)
try {
// Load post data
const postData = await api.getPost(postId)
setPost(postData)
// Load audio URL if available
if (postData.audio_url && audioRef.current) {
audioRef.current.src = postData.audio_url
audioRef.current.load()
}
// Load metadata (contains transcript)
try {
const metadataResponse = await api.getPostMetadata(postId)
if (metadataResponse && metadataResponse.metadata) {
const metadataObj = JSON.parse(metadataResponse.metadata)
setMetadata(metadataObj)
}
} catch (err) {
console.error('Failed to load metadata:', err)
}
// Load RAG chunks (timestamped transcript segments)
try {
const chunksResponse = await api.request(`/posts/${postId}/chunks?limit=1000`)
setChunks(chunksResponse.chunks || [])
} catch (err) {
console.error('Failed to load chunks:', err)
}
} catch (err) {
setError(err.message || 'Failed to load post')
} finally {
setLoading(false)
}
}
const formatDate = (dateString) => {
return new Date(dateString).toLocaleDateString('en-US', {
year: 'numeric',
month: 'long',
day: 'numeric',
hour: '2-digit',
minute: '2-digit'
})
}
const formatTime = (seconds) => {
if (!seconds || isNaN(seconds)) return '0:00'
const mins = Math.floor(seconds / 60)
const secs = Math.floor(seconds % 60)
return `${mins}:${secs.toString().padStart(2, '0')}`
}
const extractTranscript = () => {
if (!metadata?.prompt) return null
const match = metadata.prompt.match(/Transcript:\n([\s\S]*?)\n\nAnswer user questions/)
return match ? match[1].trim() : null
}
// Audio player handlers
const togglePlay = () => {
if (!audioRef.current) return
if (isPlaying) {
audioRef.current.pause()
} else {
audioRef.current.play()
}
setIsPlaying(!isPlaying)
}
const handleTimeUpdate = () => {
if (audioRef.current) {
setCurrentTime(audioRef.current.currentTime)
}
}
const handleLoadedMetadata = () => {
if (audioRef.current) {
setDuration(audioRef.current.duration)
}
}
const handleSeek = (e) => {
const rect = e.currentTarget.getBoundingClientRect()
const x = e.clientX - rect.left
const percentage = x / rect.width
const newTime = percentage * duration
if (audioRef.current) {
audioRef.current.currentTime = newTime
setCurrentTime(newTime)
}
}
const handleVolumeChange = (e) => {
const newVolume = parseFloat(e.target.value)
setVolume(newVolume)
if (audioRef.current) {
audioRef.current.volume = newVolume
}
}
const handleEnded = () => {
setIsPlaying(false)
setCurrentTime(0)
}
const handleDownload = async () => {
if (downloading) return
setDownloading(true)
try {
const zipBlob = await api.exportPost(postId)
const url = window.URL.createObjectURL(zipBlob)
const a = document.createElement("a")
a.href = url
a.download = `${post.title.replace(/[^a-zA-Z0-9]/g, "_")}_${postId}.zip`
document.body.appendChild(a)
a.click()
a.remove()
window.URL.revokeObjectURL(url)
} catch (err) {
console.error("Failed to download:", err)
alert(`Download failed: ${err.message}`)
} finally {
setDownloading(false)
}
}
const handleShare = () => {
if (navigator.share) {
navigator.share({
title: post.title,
text: post.description,
url: window.location.href
})
} else {
// Copy link to clipboard
navigator.clipboard.writeText(window.location.href)
alert('Link copied to clipboard!')
}
}
const progress = duration > 0 ? (currentTime / duration) * 100 : 0
const transcript = extractTranscript()
if (loading) {
return (
<div className="flex items-center justify-center min-h-screen">
<div className="animate-spin rounded-full h-12 w-12 border-b-2 border-[#f4b840]"></div>
</div>
)
}
if (error || !post) {
return (
<div className="max-w-4xl mx-auto py-8">
<button onClick={onBack} className="flex items-center gap-2 text-gray-600 hover:text-gray-900 mb-4">
<ArrowLeft size={20} />
<span>Back</span>
</button>
<div className="bg-red-50 border border-red-200 rounded-lg p-6 text-center">
<p className="text-red-800">{error || 'Post not found'}</p>
</div>
</div>
)
}
return (
<div className="max-w-4xl mx-auto py-8 space-y-6">
{/* Back Button */}
<button
onClick={onBack}
className="flex items-center gap-2 text-gray-600 hover:text-gray-900 transition-colors"
>
<ArrowLeft size={20} />
<span>Back</span>
</button>
{/* Header Card */}
<div className="bg-white rounded-lg border border-gray-200 shadow-sm p-8">
{/* Title and Meta */}
<div className="mb-6">
<div className="flex items-start justify-between mb-4">
<h1 className="text-3xl font-bold text-gray-900 flex-1">{post.title}</h1>
<div className="flex items-center gap-2">
{post.visibility === 'private' ? (
<Lock size={20} className="text-gray-500" />
) : (
<Globe size={20} className="text-green-500" />
)}
</div>
</div>
{/* Metadata */}
<div className="flex flex-wrap items-center gap-4 text-sm text-gray-600">
<div className="flex items-center gap-1">
<Calendar size={16} />
<span>{formatDate(post.created_at)}</span>
</div>
<span></span>
<div className={`px-2 py-1 rounded text-xs ${
post.status === 'ready' ? 'bg-green-100 text-green-700' :
post.status === 'processing' ? 'bg-yellow-100 text-yellow-700' :
'bg-red-100 text-red-700'
}`}>
{post.status}
</div>
{post.language && (
<>
<span></span>
<span className="px-2 py-1 bg-blue-100 text-blue-700 rounded text-xs">
{post.language.toUpperCase()}
</span>
</>
)}
</div>
</div>
{/* Description */}
{post.description && (
<div className="mb-6 p-4 bg-gray-50 rounded-lg border border-gray-200">
<p className="text-gray-700 leading-relaxed">{post.description}</p>
</div>
)}
{/* Action Buttons */}
<div className="flex gap-3">
<button
onClick={handleDownload}
disabled={downloading || post.status !== 'ready'}
className="flex items-center gap-2 px-4 py-2 bg-[#f4b840] hover:bg-[#e5a930] text-[#1a1a1a] rounded font-medium transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
>
{downloading ? (
<>
<div className="animate-spin rounded-full h-4 w-4 border-b-2 border-[#1a1a1a]"></div>
<span>Downloading...</span>
</>
) : (
<>
<Download size={18} />
<span>Download</span>
</>
)}
</button>
<button
onClick={handleShare}
className="flex items-center gap-2 px-4 py-2 border border-gray-300 hover:bg-gray-50 text-gray-700 rounded font-medium transition-colors"
>
<Share2 size={18} />
<span>Share</span>
</button>
</div>
</div>
{/* Audio Player */}
{post.status === 'ready' && (
<div className="bg-white rounded-lg border border-gray-200 shadow-sm p-6">
<h2 className="text-lg font-semibold text-gray-900 mb-4">Audio Player</h2>
<audio
ref={audioRef}
onTimeUpdate={handleTimeUpdate}
onLoadedMetadata={handleLoadedMetadata}
onEnded={handleEnded}
preload="metadata"
/>
<div className="flex items-center gap-4 mb-4">
<button
onClick={togglePlay}
className="w-12 h-12 bg-[#f4b840] hover:bg-[#e5a930] rounded-full flex items-center justify-center text-[#1a1a1a] transition-colors"
>
{isPlaying ? (
<Pause size={20} fill="currentColor" />
) : (
<Play size={20} fill="currentColor" />
)}
</button>
<div className="flex-1">
<div
className="h-2 bg-gray-300 rounded-full overflow-hidden mb-2 cursor-pointer"
onClick={handleSeek}
>
<div
className="h-full bg-[#f4b840] rounded-full transition-all"
style={{ width: `${progress}%` }}
></div>
</div>
<div className="flex justify-between text-xs text-gray-600">
<span>{formatTime(currentTime)}</span>
<span>{formatTime(duration)}</span>
</div>
</div>
<div className="flex items-center gap-2">
<Volume2 size={18} className="text-gray-600" />
<input
type="range"
min="0"
max="1"
step="0.01"
value={volume}
onChange={handleVolumeChange}
className="w-20 h-2 bg-gray-300 rounded-full appearance-none cursor-pointer"
/>
</div>
</div>
</div>
)}
{/* Full Transcript */}
{transcript && (
<div className="bg-white rounded-lg border border-gray-200 shadow-sm p-6">
<h2 className="text-lg font-semibold text-gray-900 mb-4">Full Transcript</h2>
<div className="prose max-w-none">
<p className="text-gray-700 leading-relaxed whitespace-pre-wrap">{transcript}</p>
</div>
{metadata?.transcript_length_chars && (
<p className="text-xs text-gray-500 mt-4">
{metadata.transcript_length_chars.toLocaleString()} characters
</p>
)}
</div>
)}
{/* Timestamped Segments */}
{chunks.length > 0 && (
<div className="bg-white rounded-lg border border-gray-200 shadow-sm p-6">
<h2 className="text-lg font-semibold text-gray-900 mb-4">
Timestamped Segments ({chunks.length})
</h2>
<div className="space-y-3 max-h-96 overflow-y-auto">
{chunks.map((chunk, index) => (
<div
key={chunk.chunk_id || index}
className="p-4 bg-gray-50 rounded border border-gray-200 hover:bg-gray-100 transition-colors"
>
<div className="flex items-start gap-3">
<div className="flex items-center gap-2 text-sm font-medium text-[#f4b840] flex-shrink-0">
<Clock size={14} />
<span>{formatTime(chunk.start_sec)}</span>
</div>
<p className="text-sm text-gray-700 flex-1">{chunk.text}</p>
</div>
{chunk.confidence && (
<div className="mt-2 text-xs text-gray-500">
Confidence: {Math.round(chunk.confidence * 100)}%
</div>
)}
</div>
))}
</div>
</div>
)}
{/* Metadata */}
{metadata && (
<div className="bg-white rounded-lg border border-gray-200 shadow-sm p-6">
<h2 className="text-lg font-semibold text-gray-900 mb-4">Metadata</h2>
<dl className="grid grid-cols-2 gap-4 text-sm">
{metadata.source_file && (
<>
<dt className="text-gray-600">Source File:</dt>
<dd className="text-gray-900 font-medium">{metadata.source_file}</dd>
</>
)}
{metadata.language && (
<>
<dt className="text-gray-600">Language:</dt>
<dd className="text-gray-900 font-medium">{metadata.language.toUpperCase()}</dd>
</>
)}
{metadata.transcript_length_chars && (
<>
<dt className="text-gray-600">Transcript Length:</dt>
<dd className="text-gray-900 font-medium">
{metadata.transcript_length_chars.toLocaleString()} characters
</dd>
</>
)}
{chunks.length > 0 && (
<>
<dt className="text-gray-600">Segments:</dt>
<dd className="text-gray-900 font-medium">{chunks.length} chunks</dd>
</>
)}
</dl>
</div>
)}
</div>
)
}