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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'; /** * useAdminLiveDashboard Hook * * Real-time admin dashboard updates via WebSocket. * Provides live metrics, order feed, and inventory alerts. */ import { useEffect, useState, useCallback, useRef } from 'react'; import { useSocket } from './useSocket'; import { clientLogger } from '@/lib/logging/clientLogger'; import type { OrderUpdatePayload, InventoryAlertPayload, NewOrderPayload, } from '@/lib/socket/types'; export interface DashboardMetrics { /** Number of new orders today */ newOrdersToday: number; /** Revenue today in cents */ todayRevenue: number; /** Number of low stock items */ lowStockItems: number; /** Number of active users (connected) */ activeUsers: number; /** Pending orders count */ pendingOrders: number; /** Processing orders count */ processingOrders: number; } export interface UseAdminLiveDashboardReturn { /** Live metrics (null if not loaded) */ metrics: DashboardMetrics | null; /** Recent new orders feed (newest first) */ recentOrders: NewOrderPayload[]; /** Recent order updates feed (newest first) */ orderUpdates: OrderUpdatePayload[]; /** Inventory alerts (newest first) */ inventoryAlerts: InventoryAlertPayload[]; /** Whether connected to real-time updates */ isConnected: boolean; /** Whether metrics are loading */ isLoading: boolean; /** Error if any */ error: string | null; /** Refresh metrics from API */ refreshMetrics: () => Promise<void>; /** Clear all feeds */ clearFeeds: () => void; /** Dismiss an inventory alert */ dismissAlert: (productId: string) => void; } export interface UseAdminLiveDashboardOptions { /** Maximum number of recent orders to keep (default: 20) */ maxRecentOrders?: number; /** Maximum number of order updates to keep (default: 20) */ maxOrderUpdates?: number; /** Maximum number of inventory alerts to keep (default: 20) */ maxAlerts?: number; /** Auto-refresh metrics interval in ms (0 to disable, default: 60000) */ metricsRefreshInterval?: number; } const DEFAULT_OPTIONS: UseAdminLiveDashboardOptions = { maxRecentOrders: 20, maxOrderUpdates: 20, maxAlerts: 20, metricsRefreshInterval: 60000, // 1 minute }; const INITIAL_METRICS: DashboardMetrics = { newOrdersToday: 0, todayRevenue: 0, lowStockItems: 0, activeUsers: 0, pendingOrders: 0, processingOrders: 0, }; export function useAdminLiveDashboard( options: UseAdminLiveDashboardOptions = {} ): UseAdminLiveDashboardReturn { const opts = { ...DEFAULT_OPTIONS, ...options }; const { isConnected, on, subscribe } = useSocket(); const [metrics, setMetrics] = useState<DashboardMetrics | null>(null); const [recentOrders, setRecentOrders] = useState<NewOrderPayload[]>([]); const [orderUpdates, setOrderUpdates] = useState<OrderUpdatePayload[]>([]); const [inventoryAlerts, setInventoryAlerts] = useState<InventoryAlertPayload[]>([]); const [isLoading, setIsLoading] = useState(false); const [error, setError] = useState<string | null>(null); const refreshIntervalRef = useRef<NodeJS.Timeout | null>(null); /** * Fetch dashboard metrics from API */ const refreshMetrics = useCallback(async () => { setIsLoading(true); setError(null); try { const response = await fetch('/api/admin/analytics/dashboard'); if (!response.ok) { throw new Error('Failed to fetch dashboard metrics'); } const data = await response.json(); setMetrics({ newOrdersToday: data.newOrdersToday ?? 0, todayRevenue: data.todayRevenue ?? 0, lowStockItems: data.lowStockItems ?? 0, activeUsers: data.activeUsers ?? 0, pendingOrders: data.pendingOrders ?? 0, processingOrders: data.processingOrders ?? 0, }); } catch (err) { clientLogger.error('Failed to fetch admin dashboard metrics', err instanceof Error ? err : new Error(String(err))); setError(err instanceof Error ? err.message : 'Failed to fetch metrics'); } finally { setIsLoading(false); } }, []); /** * Clear all feeds */ const clearFeeds = useCallback(() => { setRecentOrders([]); setOrderUpdates([]); setInventoryAlerts([]); }, []); /** * Dismiss an inventory alert */ const dismissAlert = useCallback((productId: string) => { setInventoryAlerts((prev) => prev.filter((alert) => alert.productId !== productId) ); }, []); /** * Subscribe to admin channels when connected */ useEffect(() => { if (isConnected) { subscribe(['admin', 'orders', 'inventory']); refreshMetrics(); } }, [isConnected, subscribe, refreshMetrics]); /** * Set up periodic metrics refresh */ useEffect(() => { if (opts.metricsRefreshInterval && opts.metricsRefreshInterval > 0) { refreshIntervalRef.current = setInterval(refreshMetrics, opts.metricsRefreshInterval); } return () => { if (refreshIntervalRef.current) { clearInterval(refreshIntervalRef.current); refreshIntervalRef.current = null; } }; }, [opts.metricsRefreshInterval, refreshMetrics]); /** * Listen for new orders */ useEffect(() => { if (!isConnected) return; const unsubscribe = on('newOrder', (order: NewOrderPayload) => { // Add to recent orders setRecentOrders((prev) => { const updated = [order, ...prev]; if (updated.length > (opts.maxRecentOrders || 20)) { return updated.slice(0, opts.maxRecentOrders); } return updated; }); // Update metrics setMetrics((prev) => { if (!prev) return INITIAL_METRICS; return { ...prev, newOrdersToday: prev.newOrdersToday + 1, todayRevenue: prev.todayRevenue + order.total, pendingOrders: prev.pendingOrders + 1, }; }); }); return unsubscribe; }, [isConnected, on, opts.maxRecentOrders]); /** * Listen for order updates */ useEffect(() => { if (!isConnected) return; const unsubscribe = on('orderUpdate', (update: OrderUpdatePayload) => { // Add to order updates feed setOrderUpdates((prev) => { const updated = [update, ...prev]; if (updated.length > (opts.maxOrderUpdates || 20)) { return updated.slice(0, opts.maxOrderUpdates); } return updated; }); // Update metrics based on status change setMetrics((prev) => { if (!prev) return INITIAL_METRICS; const newMetrics = { ...prev }; // Adjust order counts based on new status switch (update.status.toUpperCase()) { case 'PROCESSING': newMetrics.pendingOrders = Math.max(0, prev.pendingOrders - 1); newMetrics.processingOrders = prev.processingOrders + 1; break; case 'SHIPPED': case 'DELIVERED': case 'COMPLETED': newMetrics.processingOrders = Math.max(0, prev.processingOrders - 1); break; case 'CANCELLED': // Order could have been pending or processing newMetrics.pendingOrders = Math.max(0, prev.pendingOrders - 1); break; } return newMetrics; }); }); return unsubscribe; }, [isConnected, on, opts.maxOrderUpdates]); /** * Listen for inventory alerts */ useEffect(() => { if (!isConnected) return; const unsubscribe = on('inventoryAlert', (alert: InventoryAlertPayload) => { // Add to alerts (avoid duplicates by productId) setInventoryAlerts((prev) => { // Remove any existing alert for this product const filtered = prev.filter((a) => a.productId !== alert.productId); // Add new alert at the beginning const updated = [alert, ...filtered]; if (updated.length > (opts.maxAlerts || 20)) { return updated.slice(0, opts.maxAlerts); } return updated; }); // Update low stock count in metrics setMetrics((prev) => { if (!prev) return INITIAL_METRICS; if (alert.alertType === 'low_stock' || alert.alertType === 'out_of_stock') { return { ...prev, lowStockItems: prev.lowStockItems + 1, }; } else if (alert.alertType === 'restock') { return { ...prev, lowStockItems: Math.max(0, prev.lowStockItems - 1), }; } return prev; }); }); return unsubscribe; }, [isConnected, on, opts.maxAlerts]); return { metrics, recentOrders, orderUpdates, inventoryAlerts, isConnected, isLoading, error, refreshMetrics, clearFeeds, dismissAlert, }; } export default useAdminLiveDashboard; |