feat: 优化接口速度

app/hosts/[hostname]/components/ScreenshotsTab.tsx

@@ -12,6 +12,30 @@ import { ScreenRecord, TimeDistributionPoint, Segment, Marker } from '../types';
 import { formatMemory, formatDate } from '../utils';
 import { useStarToggle } from '../hooks/useStarToggle';
 
+const inFlightJsonRequests = new Map<string, Promise<unknown>>();
+
+const fetchJsonOnce = async <T,>(url: string): Promise<T> => {
+  const existingRequest = inFlightJsonRequests.get(url);
+  if (existingRequest) {
+    return existingRequest as Promise<T>;
+  }
+
+  const request = fetch(url, { cache: 'no-store' })
+    .then(async (response) => {
+      if (!response.ok) {
+        throw new Error(`Request failed with status ${response.status}`);
+      }
+
+      return response.json() as Promise<T>;
+    })
+    .finally(() => {
+      inFlightJsonRequests.delete(url);
+    });
+
+  inFlightJsonRequests.set(url, request);
+  return request as Promise<T>;
+};
+
 interface ScreenshotsTabProps {
   hostname: string;
   selectedDate: string | null;
@@ -27,6 +51,9 @@ export default function ScreenshotsTab({
   jumpRequest,
   onLastUpdateChange
 }: ScreenshotsTabProps) {
+  const timeDistributionRequestIdRef = useRef(0);
+  const hourlyRecordsRequestIdRef = useRef(0);
+
   // 状态管理
   const [timeDistribution, setTimeDistribution] = useState<TimeDistributionPoint[]>([]);
   const [records, setRecords] = useState<ScreenRecord[]>([]);
@@ -58,30 +85,50 @@ export default function ScreenshotsTab({
 
   // 获取时间分布数据
   const fetchTimeDistribution = async () => {
+    const requestId = ++timeDistributionRequestIdRef.current;
+
     try {
       setLoadingDistribution(true);
-      const response = await fetch(`/hosts/${hostname}/time-distribution`);
-      if (!response.ok) throw new Error('获取时间分布数据失败');
-      const data = await response.json();
+
+      const data = await fetchJsonOnce<{ distribution: TimeDistributionPoint[] }>(
+        `/hosts/${hostname}/time-distribution`
+      );
+
+      if (requestId !== timeDistributionRequestIdRef.current) {
+        return;
+      }
+
       setTimeDistribution(data.distribution);
     } catch (error) {
-      console.error('获取时间分布数据失败:', error);
+      if (requestId === timeDistributionRequestIdRef.current) {
+        console.error('获取时间分布数据失败:', error);
+      }
     } finally {
-      setLoadingDistribution(false);
+      if (requestId === timeDistributionRequestIdRef.current) {
+        setLoadingDistribution(false);
+      }
     }
   };
 
   // 获取小时记录
   const fetchHourlyRecords = async (startTime: number, endTime: number, options?: { targetRecordId?: string, keepSelection?: boolean }) => {
+    const requestId = ++hourlyRecordsRequestIdRef.current;
+    const requestUrl = `/hosts/${hostname}/screenshots?startTime=${startTime}&endTime=${endTime}`;
+
     try {
       setLoadingRecords(true);
       setShowDetailTimeline(true);
-      const response = await fetch(
-        `/hosts/${hostname}/screenshots?startTime=${startTime}&endTime=${endTime}`
-      );
-      if (!response.ok) throw new Error('获取记录数据失败');
-      const data = await response.json();
-      const newRecords = data.records.reverse();
+
+      const data = await fetchJsonOnce<{
+        lastUpdate: string | null;
+        records: ScreenRecord[];
+      }>(requestUrl);
+
+      if (requestId !== hourlyRecordsRequestIdRef.current) {
+        return;
+      }
+
+      const newRecords = data.records;
       setRecords(newRecords);
       onLastUpdateChange(data.lastUpdate);
       setTimeRange({ min: startTime * 1000, max: endTime * 1000 });
@@ -104,9 +151,13 @@ export default function ScreenshotsTab({
         }
       });
     } catch (error) {
-      console.error('获取记录数据失败:', error);
+      if (requestId === hourlyRecordsRequestIdRef.current) {
+        console.error('获取记录数据失败:', error);
+      }
     } finally {
-      setLoadingRecords(false);
+      if (requestId === hourlyRecordsRequestIdRef.current) {
+        setLoadingRecords(false);
+      }
     }
   };
 

app/hosts/[hostname]/screen-time/route.ts

@@ -2,6 +2,7 @@ import { NextRequest, NextResponse } from 'next/server'
 import { win32 } from 'path'
 import { prisma } from '@/lib/prisma'
 import { withCors } from '@/lib/middleware'
+import { Prisma } from '@prisma/client'
 
 const MAX_GAP_MS = 5 * 60 * 1000
 const DEFAULT_SAMPLE_MS = 30 * 1000
@@ -36,6 +37,12 @@ interface HourBucket {
   appDurations: Map<string, number>
 }
 
+interface ScreenTimeRecordRow {
+  timestamp: Date
+  title: string | null
+  path: string | null
+}
+
 const cleanTitle = (title: string) => title.replace(/\s+/g, ' ').trim()
 
 const trimLabelSeparators = (label: string) => label
@@ -304,27 +311,36 @@ async function handleScreenTime(req: NextRequest) {
     const aggregateEndMs = unit === 'week' ? weekEndMs : selectedDayEndMs
     const aggregateEndDate = addDays(aggregateStartDate, unit === 'week' ? 7 : 1)
 
-    const records = await prisma.record.findMany({
-      where: {
-        hostname,
-        timestamp: {
-          gte: new Date(weekStartMs - MAX_GAP_MS),
-          lte: new Date(weekEndMs + MAX_GAP_MS)
-        }
-      },
-      select: {
-        timestamp: true,
-        windows: {
-          select: {
-            title: true,
-            path: true
-          }
-        }
-      },
-      orderBy: {
-        timestamp: 'asc'
-      }
-    })
+    const rangeStart = new Date(weekStartMs - MAX_GAP_MS)
+    const rangeEnd = new Date(weekEndMs + MAX_GAP_MS)
+
+    const records = await prisma.$queryRaw<ScreenTimeRecordRow[]>(Prisma.sql`
+      WITH scoped_records AS (
+        SELECT "id", "timestamp"
+        FROM "records"
+        WHERE "hostname" = ${hostname}
+          AND "timestamp" >= ${rangeStart}
+          AND "timestamp" <= ${rangeEnd}
+      ),
+      ranked_windows AS (
+        SELECT
+          w."recordId",
+          w."title",
+          w."path",
+          ROW_NUMBER() OVER (PARTITION BY w."recordId" ORDER BY w."id") AS row_number
+        FROM "windows" w
+        INNER JOIN scoped_records r ON r."id" = w."recordId"
+      )
+      SELECT
+        r."timestamp",
+        w."title",
+        w."path"
+      FROM scoped_records r
+      LEFT JOIN ranked_windows w
+        ON w."recordId" = r."id"
+       AND w.row_number = 1
+      ORDER BY r."timestamp" ASC
+    `)
 
     const validDiffs = records
       .slice(0, -1)
@@ -346,8 +362,7 @@ async function handleScreenTime(req: NextRequest) {
     }))
 
     records.forEach((record, index) => {
-      const activeWindow = record.windows[0]
-      if (!activeWindow) return
+      if (record.title === null && record.path === null) return
 
       const currentMs = record.timestamp.getTime()
       const nextMs = records[index + 1]?.timestamp.getTime()
@@ -359,10 +374,10 @@ async function handleScreenTime(req: NextRequest) {
 
       const intervalStartMs = currentMs
       const intervalEndMs = currentMs + intervalMs
-      const title = cleanTitle(activeWindow.title)
-        || stripExtension(win32.basename(activeWindow.path || ''))
+      const title = cleanTitle(record.title ?? '')
+        || stripExtension(win32.basename(record.path ?? ''))
         || '未知窗口'
-      const process = normalizeProcess(activeWindow.path, title)
+      const process = normalizeProcess(record.path ?? '', title)
 
       const aggregateContributionMs = Math.max(0, Math.min(intervalEndMs, aggregateEndMs) - Math.max(intervalStartMs, aggregateStartMs))
       addDurationToUsageMap(

app/hosts/[hostname]/screenshots/route.ts

@@ -218,26 +218,40 @@ async function handleGetScreenshots(req: NextRequest) {
       if (endTime) whereClause.timestamp.lte = endTime
     }
 
-    // Get records
-    const records = await prisma.record.findMany({
-      where: whereClause,
-      include: {
-        windows: true,
-        screenshots: true
-      },
-      orderBy: {
-        timestamp: 'desc'
-      }
-    })
-
-    // Get host info
-    const host = await prisma.host.findUnique({
-      where: { hostname },
-      select: {
-        hostname: true,
-        lastUpdate: true
-      }
-    })
+    const [records, host] = await Promise.all([
+      prisma.record.findMany({
+        where: whereClause,
+        select: {
+          id: true,
+          timestamp: true,
+          isStarred: true,
+          windows: {
+            select: {
+              title: true,
+              path: true,
+              memory: true
+            }
+          },
+          screenshots: {
+            select: {
+              fileId: true,
+              filename: true,
+              monitorName: true
+            }
+          }
+        },
+        orderBy: {
+          timestamp: 'asc'
+        }
+      }),
+      prisma.host.findUnique({
+        where: { hostname },
+        select: {
+          hostname: true,
+          lastUpdate: true
+        }
+      })
+    ])
 
     if (!host) {
       return NextResponse.json({ error: '未找到主机记录' }, { status: 404 })

prisma/migrations/20260424000000_add_record_relation_indexes/migration.sql

@@ -0,0 +1,5 @@
+-- CreateIndex
+CREATE INDEX "windows_recordId_idx" ON "windows"("recordId");
+
+-- CreateIndex
+CREATE INDEX "screenshots_recordId_idx" ON "screenshots"("recordId");

prisma/schema.prisma

@@ -55,6 +55,8 @@ model Window {
   
   // Relations
   record Record @relation(fields: [recordId], references: [id], onDelete: Cascade)
+
+  @@index([recordId])
   
   @@map("windows")
 }
@@ -71,7 +73,8 @@ model Screenshot {
   
   // Relations
   record Record @relation(fields: [recordId], references: [id], onDelete: Cascade)
-  
+
+  @@index([recordId])
   @@index([objectName])
   @@map("screenshots")
 }