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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 | 'use client' import { useCallback, useEffect, useRef, useState } from 'react' import type { ModelType } from '../train/components/wizard/types' import type { SyncStatus, SyncProgress } from '../train/components/data-panel/types' /** * Sync history entry from the API */ export interface SyncHistoryEntry { id: string status: 'success' | 'failed' | 'cancelled' startedAt: string completedAt: string | null durationMs: number | null filesTransferred: number tombstonePruned: number | null error: string | null } /** * History stats from the API */ export interface SyncHistoryStats { totalSyncs: number successfulSyncs: number failedSyncs: number lastSuccessfulSync: { id: string startedAt: string filesTransferred: number } | null } /** * Result of the useSyncStatus hook */ export interface UseSyncStatusResult { // Status status: SyncStatus | null isLoading: boolean isAvailable: boolean hasNewData: boolean newCount: number // Progress (during sync) progress: SyncProgress isSyncing: boolean // History history: SyncHistoryEntry[] historyStats: SyncHistoryStats | null historyLoading: boolean // Actions startSync: () => Promise<void> cancelSync: () => void refreshStatus: () => Promise<void> refreshHistory: () => Promise<void> } // BroadcastChannel for notifying other components when sync completes export const SYNC_COMPLETE_CHANNEL = 'vision-training-sync-complete' /** * Centralized hook for sync state management. * Handles status fetching, sync progress, and history. */ export function useSyncStatus(modelType: ModelType): UseSyncStatusResult { // Status state const [status, setStatus] = useState<SyncStatus | null>(null) const [isLoading, setIsLoading] = useState(true) // Progress state const [progress, setProgress] = useState<SyncProgress>({ phase: 'idle', message: '', }) // History state const [history, setHistory] = useState<SyncHistoryEntry[]>([]) const [historyStats, setHistoryStats] = useState<SyncHistoryStats | null>(null) const [historyLoading, setHistoryLoading] = useState(true) // Refs const abortControllerRef = useRef<AbortController | null>(null) const syncChannelRef = useRef<BroadcastChannel | null>(null) // Derived state const isAvailable = status?.available ?? false const hasNewData = (status?.newOnRemote ?? 0) > 0 const newCount = status?.newOnRemote ?? 0 const isSyncing = progress.phase === 'connecting' || progress.phase === 'syncing' // Initialize BroadcastChannel useEffect(() => { if (typeof BroadcastChannel !== 'undefined') { syncChannelRef.current = new BroadcastChannel(SYNC_COMPLETE_CHANNEL) } return () => { syncChannelRef.current?.close() } }, []) // Fetch sync status const refreshStatus = useCallback(async () => { try { const response = await fetch(`/api/vision-training/sync?modelType=${modelType}`) if (response.ok) { const data = await response.json() setStatus(data) } } catch (error) { console.error('[useSyncStatus] Failed to fetch status:', error) } finally { setIsLoading(false) } }, [modelType]) // Fetch sync history const refreshHistory = useCallback(async () => { setHistoryLoading(true) try { const response = await fetch( `/api/vision-training/sync/history?modelType=${modelType}&limit=5` ) if (response.ok) { const data = await response.json() setHistory(data.history || []) setHistoryStats(data.stats || null) } } catch (error) { console.error('[useSyncStatus] Failed to fetch history:', error) } finally { setHistoryLoading(false) } }, [modelType]) // Start sync const startSync = useCallback(async () => { setProgress({ phase: 'connecting', message: 'Connecting to production...', }) try { const response = await fetch(`/api/vision-training/sync?modelType=${modelType}`, { method: 'POST', }) if (!response.ok) { const error = await response.text() setProgress({ phase: 'error', message: error || 'Sync failed' }) return } const reader = response.body?.getReader() if (!reader) { setProgress({ phase: 'error', message: 'No response body' }) return } const decoder = new TextDecoder() let buffer = '' while (true) { const { done, value } = await reader.read() if (done) break buffer += decoder.decode(value, { stream: true }) const lines = buffer.split('\n') buffer = lines.pop() || '' let eventType = '' for (const line of lines) { if (line.startsWith('event: ')) { eventType = line.slice(7) } else if (line.startsWith('data: ')) { try { const data = JSON.parse(line.slice(6)) handleSyncEvent(eventType, data) } catch { // Ignore JSON parse errors } } } } } catch (error) { console.error('[useSyncStatus] Sync error:', error) setProgress({ phase: 'error', message: error instanceof Error ? error.message : 'Sync failed', }) } }, [modelType]) // Handle SSE events during sync const handleSyncEvent = useCallback( (eventType: string, data: Record<string, unknown>) => { switch (eventType) { case 'status': setProgress({ phase: (data.phase as SyncProgress['phase']) || 'syncing', message: (data.message as string) || '', }) break case 'progress': setProgress((prev) => ({ ...prev, phase: 'syncing', message: (data.message as string) || prev.message, filesTransferred: data.filesTransferred as number | undefined, bytesTransferred: data.bytesTransferred as number | undefined, })) break case 'complete': setProgress({ phase: 'complete', message: 'Sync complete!', filesTransferred: data.filesTransferred as number | undefined, }) // Broadcast sync complete to other components syncChannelRef.current?.postMessage({ type: 'sync-complete', modelType, }) // Refresh status and history after completion setTimeout(() => { refreshStatus() refreshHistory() // Reset progress after a short delay setTimeout(() => { setProgress({ phase: 'idle', message: '' }) }, 2000) }, 500) break case 'error': setProgress({ phase: 'error', message: (data.message as string) || 'Sync failed', }) // Refresh history to show failed sync setTimeout(() => { refreshHistory() }, 500) break } }, [modelType, refreshStatus, refreshHistory] ) // Cancel sync (abort controller) const cancelSync = useCallback(() => { abortControllerRef.current?.abort() setProgress({ phase: 'idle', message: '' }) }, []) // Fetch status and history on mount and when modelType changes useEffect(() => { setIsLoading(true) setHistoryLoading(true) setProgress({ phase: 'idle', message: '' }) refreshStatus() refreshHistory() }, [refreshStatus, refreshHistory]) // Optional: Poll for status updates (e.g., when tab becomes visible) useEffect(() => { const handleVisibilityChange = () => { if (document.visibilityState === 'visible' && !isSyncing) { refreshStatus() } } document.addEventListener('visibilitychange', handleVisibilityChange) return () => document.removeEventListener('visibilitychange', handleVisibilityChange) }, [refreshStatus, isSyncing]) return { // Status status, isLoading, isAvailable, hasNewData, newCount, // Progress progress, isSyncing, // History history, historyStats, historyLoading, // Actions startSync, cancelSync, refreshStatus, refreshHistory, } } |