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fix(export): 修复导出页文件消息数量始终显示为 0

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saylin committed 2026-07-01 14:22:52 +08:00
1 parent 50ae72b639
commit 3a593b2f7c
5 files changed
+108 -5
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electron/services/chatService.ts
+90 -3
View File
@@ -13,6 +13,7 @@ import { wcdbService } from './wcdbService'
import { MessageCacheService } from './messageCacheService'
import { ContactCacheService, ContactCacheEntry } from './contactCacheService'
import { SessionStatsCacheService, SessionStatsCacheEntry, SessionStatsCacheStats } from './sessionStatsCacheService'
import { FILE_APP_LOCAL_TYPE_SET } from './export/constants'
import { GroupMyMessageCountCacheService, GroupMyMessageCountCacheEntry } from './groupMyMessageCountCacheService'
import { exportCardDiagnosticsService } from './exportCardDiagnosticsService'
import { voiceTranscribeService } from './voiceTranscribeService'
@@ -181,6 +182,8 @@ interface ExportSessionStats {
imageMessages: number
videoMessages: number
emojiMessages: number
/** 文件类消息数量（包含 49 / 34359738417 / 103079215153 / 25769803825 等 localType 变体） */
fileMessages: number
transferMessages: number
redPacketMessages: number
callMessages: number
@@ -4233,6 +4236,7 @@ class ChatService {
imageMessages: Number.isFinite(stats.imageMessages) ? Math.max(0, Math.floor(stats.imageMessages)) : 0,
videoMessages: Number.isFinite(stats.videoMessages) ? Math.max(0, Math.floor(stats.videoMessages)) : 0,
emojiMessages: Number.isFinite(stats.emojiMessages) ? Math.max(0, Math.floor(stats.emojiMessages)) : 0,
fileMessages: Number.isFinite(stats.fileMessages) ? Math.max(0, Math.floor(stats.fileMessages)) : 0,
transferMessages: Number.isFinite(stats.transferMessages) ? Math.max(0, Math.floor(stats.transferMessages)) : 0,
redPacketMessages: Number.isFinite(stats.redPacketMessages) ? Math.max(0, Math.floor(stats.redPacketMessages)) : 0,
callMessages: Number.isFinite(stats.callMessages) ? Math.max(0, Math.floor(stats.callMessages)) : 0
@@ -4256,6 +4260,7 @@ class ChatService {
imageMessages: stats.imageMessages,
videoMessages: stats.videoMessages,
emojiMessages: stats.emojiMessages,
fileMessages: stats.fileMessages,
transferMessages: stats.transferMessages,
redPacketMessages: stats.redPacketMessages,
callMessages: stats.callMessages,
@@ -4511,11 +4516,13 @@ class ChatService {
transferMessages: number
redPacketMessages: number
callMessages: number
fileMessages: number
}> {
const counters = {
transferMessages: 0,
redPacketMessages: 0,
callMessages: 0
callMessages: 0,
fileMessages: 0
}
const cursorResult = await wcdbService.openMessageCursor(sessionId, 500, false, beginTimestamp, endTimestamp)
@@ -4551,6 +4558,7 @@ class ChatService {
const xmlType = this.extractType49XmlTypeForStats(content)
if (xmlType === '2000') counters.transferMessages += 1
if (xmlType === '2001') counters.redPacketMessages += 1
if (xmlType === '6') counters.fileMessages += 1
}
if (!batch.hasMore || rows.length === 0) break
@@ -4562,6 +4570,52 @@ class ChatService {
return counters
}
/**
* 通过 cursor 扫描精确统计指定会话中的文件消息数量。
*
* 背景：Native 聚合接口 `getSessionMessageTypeStats` 通常只把 localType === 49 且
* appmsg type === 6 的消息计为文件；但微信 4.x 中文件消息还存在
* 34359738417 / 103079215153 / 25769803825 等 localType 变体，Native 不会计入。
* 该函数覆盖 FILE_APP_LOCAL_TYPE_SET 中所有文件变体，作为 Native 统计的兜底/修正。
*/
private async collectFileMessageCountByCursorScan(
sessionId: string,
beginTimestamp: number = 0,
endTimestamp: number = 0
): Promise<number> {
let count = 0
const fileLocalTypeSet = FILE_APP_LOCAL_TYPE_SET
const cursorResult = await wcdbService.openMessageCursor(sessionId, 500, false, beginTimestamp, endTimestamp)
if (!cursorResult.success || !cursorResult.cursor) {
return count
}
const cursor = cursorResult.cursor
try {
while (true) {
const batch = await wcdbService.fetchMessageBatch(cursor)
if (!batch.success) break
const rows = Array.isArray(batch.rows) ? batch.rows as Record<string, any>[] : []
for (const row of rows) {
const localType = this.getRowInt(row, ['local_type'], 1)
if (!fileLocalTypeSet.has(localType)) continue
const rawMessageContent = row.message_content
const rawCompressContent = row.compress_content
const content = this.decodeMessageContent(rawMessageContent, rawCompressContent)
const xmlType = this.extractType49XmlTypeForStats(content)
if (xmlType === '6') count += 1
}
if (!batch.hasMore || rows.length === 0) break
}
} finally {
await wcdbService.closeMessageCursor(cursor)
}
return count
}
private async collectSessionExportStatsByCursorScan(
sessionId: string,
selfIdentitySet: Set<string>,
@@ -4574,6 +4628,7 @@ class ChatService {
imageMessages: 0,
videoMessages: 0,
emojiMessages: 0,
fileMessages: 0,
transferMessages: 0,
redPacketMessages: 0,
callMessages: 0
@@ -4609,13 +4664,16 @@ class ChatService {
if (localType === 50) stats.callMessages += 1
if (localType === 8589934592049) stats.transferMessages += 1
if (localType === 8594229559345) stats.redPacketMessages += 1
if (localType === 49) {
// 文件、转账、红包等共享 appmsg 类型的 localType 变体，需要解析 XML 进一步区分
if (FILE_APP_LOCAL_TYPE_SET.has(localType)) {
const rawMessageContent = row.message_content
const rawCompressContent = row.compress_content
const content = this.decodeMessageContent(rawMessageContent, rawCompressContent)
const xmlType = this.extractType49XmlTypeForStats(content)
if (xmlType === '2000') stats.transferMessages += 1
if (xmlType === '2001') stats.redPacketMessages += 1
// appmsg type === 6 表示普通文件附件
if (xmlType === '6') stats.fileMessages += 1
}
const createTime = this.getRowInt(
@@ -4679,6 +4737,7 @@ class ChatService {
imageMessages: 0,
videoMessages: 0,
emojiMessages: 0,
fileMessages: 0,
transferMessages: 0,
redPacketMessages: 0,
callMessages: 0
@@ -4700,6 +4759,7 @@ class ChatService {
stats.imageMessages = Math.max(0, Math.floor(Number(data.image_messages || 0)))
stats.videoMessages = Math.max(0, Math.floor(Number(data.video_messages || 0)))
stats.emojiMessages = Math.max(0, Math.floor(Number(data.emoji_messages || 0)))
stats.fileMessages = Math.max(0, Math.floor(Number(data.file_messages || 0)))
stats.callMessages = Math.max(0, Math.floor(Number(data.call_messages || 0)))
stats.transferMessages = Math.max(0, Math.floor(Number(data.transfer_messages || 0)))
stats.redPacketMessages = Math.max(0, Math.floor(Number(data.red_packet_messages || 0)))
@@ -4715,9 +4775,23 @@ class ChatService {
stats.transferMessages = preciseCounters.transferMessages
stats.redPacketMessages = preciseCounters.redPacketMessages
stats.callMessages = preciseCounters.callMessages
stats.fileMessages = preciseCounters.fileMessages
} catch {
// 保留 native 聚合结果作为兜底
}
} else {
// Native 聚合可能不识别 25769803825 等文件消息变体，返回 0 但 key 存在。
// 当 Native 返回的文件消息数为 0 时，通过轻量 cursor 扫描补充，避免漏统计。
// 仅在 0 时兜底是为了兼顾性能：若 Native 已给出非 0 结果，通常已覆盖常见文件消息。
const nativeFileMessages = Math.max(0, Math.floor(Number(data.file_messages || 0)))
if (nativeFileMessages === 0) {
try {
const cursorFileMessages = await this.collectFileMessageCountByCursorScan(sessionId, beginTimestamp, endTimestamp)
stats.fileMessages = Math.max(nativeFileMessages, cursorFileMessages)
} catch {
// 保留 native 聚合结果作为兜底
}
}
}
if (isGroup) {
@@ -4742,6 +4816,7 @@ class ChatService {
imageMessages: Math.max(0, Math.floor(Number(row?.image_messages || 0))),
videoMessages: Math.max(0, Math.floor(Number(row?.video_messages || 0))),
emojiMessages: Math.max(0, Math.floor(Number(row?.emoji_messages || 0))),
fileMessages: Math.max(0, Math.floor(Number(row?.file_messages || 0))),
callMessages: Math.max(0, Math.floor(Number(row?.call_messages || 0))),
transferMessages: Math.max(0, Math.floor(Number(row?.transfer_messages || 0))),
redPacketMessages: Math.max(0, Math.floor(Number(row?.red_packet_messages || 0)))
@@ -4864,6 +4939,7 @@ class ChatService {
imageMessages: 0,
videoMessages: 0,
emojiMessages: 0,
fileMessages: 0,
transferMessages: 0,
redPacketMessages: 0,
callMessages: 0
@@ -5021,7 +5097,8 @@ class ChatService {
await this.forEachWithConcurrency(normalizedSessionIds, 3, async (sessionId) => {
try {
const stats = hasNativeBatchStats && nativeBatchStats[sessionId]
const fromNativeBatch = hasNativeBatchStats && nativeBatchStats[sessionId]
const stats = fromNativeBatch
? { ...nativeBatchStats[sessionId] }
: await this.collectSessionExportStats(
sessionId,
@@ -5030,6 +5107,16 @@ class ChatService {
beginTimestamp,
endTimestamp
)
// Native 批量统计可能不识别文件消息变体（如 25769803825），对 fileMessages 为 0 的会话补充 cursor 扫描。
// 导出页同时加载多个会话时走批量路径，这里需要与单会话路径保持一致的兜底策略。
if (fromNativeBatch && stats.fileMessages === 0) {
try {
const cursorFileMessages = await this.collectFileMessageCountByCursorScan(sessionId, beginTimestamp, endTimestamp)
stats.fileMessages = Math.max(stats.fileMessages, cursorFileMessages)
} catch {
// 保留 native 批量结果作为兜底
}
}
if (sessionId.endsWith('@chatroom')) {
if (shouldLoadGroupMemberCount) {
stats.groupMemberCount = typeof memberCountMap[sessionId] === 'number'
electron/services/sessionStatsCacheService.ts
+7 -1
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@@ -2,7 +2,8 @@ import { join, dirname } from 'path'
import { existsSync, mkdirSync, readFileSync, writeFileSync, rmSync } from 'fs'
import { ConfigService } from './config'
const CACHE_VERSION = 2
/** 缓存版本号。增加/修改 SessionStatsCacheStats 字段后必须提升，避免旧缓存被误用。 */
const CACHE_VERSION = 4
const MAX_SESSION_ENTRIES_PER_SCOPE = 2000
const MAX_SCOPE_ENTRIES = 12
@@ -12,6 +13,8 @@ export interface SessionStatsCacheStats {
imageMessages: number
videoMessages: number
emojiMessages: number
/** 文件类消息数量（对应 ExportSessionStats.fileMessages） */
fileMessages: number
transferMessages: number
redPacketMessages: number
callMessages: number
@@ -53,6 +56,7 @@ function normalizeStats(raw: unknown): SessionStatsCacheStats | null {
const imageMessages = toNonNegativeInt(source.imageMessages)
const videoMessages = toNonNegativeInt(source.videoMessages)
const emojiMessages = toNonNegativeInt(source.emojiMessages)
const fileMessages = toNonNegativeInt(source.fileMessages)
const transferMessages = toNonNegativeInt(source.transferMessages)
const redPacketMessages = toNonNegativeInt(source.redPacketMessages)
const callMessages = toNonNegativeInt(source.callMessages)
@@ -63,6 +67,7 @@ function normalizeStats(raw: unknown): SessionStatsCacheStats | null {
imageMessages === undefined ||
videoMessages === undefined ||
emojiMessages === undefined ||
fileMessages === undefined ||
transferMessages === undefined ||
redPacketMessages === undefined ||
callMessages === undefined
@@ -76,6 +81,7 @@ function normalizeStats(raw: unknown): SessionStatsCacheStats | null {
imageMessages,
videoMessages,
emojiMessages,
fileMessages,
transferMessages,
redPacketMessages,
callMessages
src/pages/Export/hooks/useSessionMetrics.ts
+1 -1
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@@ -56,7 +56,7 @@ export const useSessionMetrics = create<SessionMetricsState>((set, get) => ({
imageMessages: sessionStat.imageMessages,
videoMessages: sessionStat.videoMessages,
emojiMessages: sessionStat.emojiMessages,
fileMessages: 0 // Will need specific metric if available
fileMessages: sessionStat.fileMessages ?? 0 // 文件消息数量，由后端 ExportSessionStats 返回
}
}
}
src/services/config.ts
+8
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@@ -931,6 +931,8 @@ export interface ExportSessionContentMetricCacheEntry {
imageMessages?: number
videoMessages?: number
emojiMessages?: number
/** 文件类消息数量，与后端 ExportSessionStats.fileMessages 对齐 */
fileMessages?: number
firstTimestamp?: number
lastTimestamp?: number
}
@@ -1099,6 +1101,9 @@ export async function getExportSessionContentMetricCache(scopeKey: string): Prom
if (typeof source.emojiMessages === 'number' && Number.isFinite(source.emojiMessages) && source.emojiMessages >= 0) {
metric.emojiMessages = Math.floor(source.emojiMessages)
}
if (typeof source.fileMessages === 'number' && Number.isFinite(source.fileMessages) && source.fileMessages >= 0) {
metric.fileMessages = Math.floor(source.fileMessages)
}
if (typeof source.firstTimestamp === 'number' && Number.isFinite(source.firstTimestamp) && source.firstTimestamp > 0) {
metric.firstTimestamp = Math.floor(source.firstTimestamp)
}
@@ -1144,6 +1149,9 @@ export async function setExportSessionContentMetricCache(
if (typeof rawMetric.emojiMessages === 'number' && Number.isFinite(rawMetric.emojiMessages) && rawMetric.emojiMessages >= 0) {
metric.emojiMessages = Math.floor(rawMetric.emojiMessages)
}
if (typeof rawMetric.fileMessages === 'number' && Number.isFinite(rawMetric.fileMessages) && rawMetric.fileMessages >= 0) {
metric.fileMessages = Math.floor(rawMetric.fileMessages)
}
if (typeof rawMetric.firstTimestamp === 'number' && Number.isFinite(rawMetric.firstTimestamp) && rawMetric.firstTimestamp > 0) {
metric.firstTimestamp = Math.floor(rawMetric.firstTimestamp)
}
src/types/electron.d.ts
Vendored
+2
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@@ -644,6 +644,8 @@ export interface ElectronAPI {
imageMessages: number
videoMessages: number
emojiMessages: number
/** 文件类消息数量 */
fileMessages: number
transferMessages: number
redPacketMessages: number
callMessages: number