Files
weflow-new/electron/services/export/formatters/SqlFormatter.ts
T

336 lines
13 KiB
TypeScript

import * as fs from 'fs';
import { parallelLimit } from '../../export/utils/parallelLimit';
import { MediaExportItem } from '../../export/types';
const sqlString = (value: unknown): string => {
return `'${String(value ?? '').replace(/\u0000/g, '').replace(/'/g, "''")}'`
}
const sqlNullableString = (value: unknown): string => {
if (value === null || value === undefined) return 'NULL'
return sqlString(value)
}
const sqlNumber = (value: unknown): string => {
const numeric = Number(value)
return Number.isFinite(numeric) ? String(Math.trunc(numeric)) : 'NULL'
}
const sqlBoolean = (value: unknown): string => {
return value ? 'TRUE' : 'FALSE'
}
const resolveMediaType = (msg: any): string | null => {
const explicit = String(msg?.mediaType || msg?.media_type || '').trim().toLowerCase()
if (explicit) return explicit
const localType = Number(msg?.localType ?? msg?.local_type)
if (localType === 3) return 'image'
if (localType === 34) return 'voice'
if (localType === 43) return 'video'
if (localType === 47) return 'emoji'
if (localType === 49 && String(msg?.content || '').includes('<filename>')) return 'file'
return null
}
export class SqlFormatter {
constructor(private exportService: any) {}
public async export(sessionId: any, outputPath: any, options: any, onProgress: any, control: any): Promise<{ success: boolean; error?: string }> {
try {
this.exportService.throwIfStopRequested(control)
const conn = await this.exportService.ensureConnected()
if (!conn.success || !conn.cleanedWxid) return { success: false, error: conn.error }
const cleanedMyWxid = conn.cleanedWxid
const sessionInfo = await this.exportService.getContactInfo(sessionId)
onProgress?.({
current: 0,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'preparing'
})
const collectParams = this.exportService.resolveCollectParams(options)
const collectProgressReporter = this.exportService.createCollectProgressReporter(sessionInfo.displayName, onProgress, 5)
const collected = await this.exportService.collectMessages(
sessionId,
cleanedMyWxid,
options.dateRange,
options.senderUsername,
collectParams.mode,
collectParams.targetMediaTypes,
control,
collectProgressReporter
)
const totalMessages = collected.rows.length
if (totalMessages === 0) {
return { success: false, error: await this.exportService.buildNoMessagesError(sessionId, collected) }
}
await this.exportService.createWeliveRawOutputPlaceholder(outputPath, control)
await this.exportService.hydrateEmojiCaptionsForMessages(sessionId, collected.rows, control)
await this.exportService.resolveQuotedMessagesForExport(collected.rows, sessionId)
const sortedMessages = collected.rows
const voiceMessages = options.exportVoiceAsText
? sortedMessages.filter((msg: any) => msg.localType === 34)
: []
if (options.exportVoiceAsText && voiceMessages.length > 0) {
await this.exportService.ensureVoiceModel(onProgress)
}
const { mediaRootDir, mediaRelativePrefix } = this.exportService.getMediaLayout(outputPath, options)
const mediaMessages = this.exportService.collectMediaMessagesForExport(sortedMessages, options)
const mediaCache = new Map<string, MediaExportItem | null>()
const mediaDirCache = new Set<string>()
const beforeMediaDoneFiles = this.exportService.getMediaDoneFilesCount()
if (mediaMessages.length > 0) {
await this.exportService.preloadMediaLookupCaches(sessionId, mediaMessages, {
exportImages: options.exportImages,
exportVideos: options.exportVideos
}, control)
const voiceMediaMessages = mediaMessages.filter((msg: any) => msg.localType === 34)
if (voiceMediaMessages.length > 0) {
await this.exportService.preloadVoiceWavCache(sessionId, voiceMediaMessages, control)
}
onProgress?.({
current: 25,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'exporting-media',
phaseProgress: 0,
phaseTotal: mediaMessages.length,
phaseLabel: this.exportService.formatMediaPhaseLabel(0, mediaMessages.length, beforeMediaDoneFiles),
...this.exportService.getMediaTelemetrySnapshot(),
estimatedTotalMessages: totalMessages
})
const mediaConcurrency = this.exportService.getClampedConcurrency(options.exportConcurrency)
let mediaExported = 0
await parallelLimit(mediaMessages, mediaConcurrency, async (msg: any) => {
this.exportService.throwIfStopRequested(control)
const mediaKey = this.exportService.getMediaCacheKey(msg)
if (!mediaCache.has(mediaKey)) {
const mediaItem = await this.exportService.exportMediaForMessage(msg, sessionId, mediaRootDir, mediaRelativePrefix, {
exportImages: options.exportImages,
exportVoices: options.exportVoices,
exportVideos: options.exportVideos,
exportEmojis: options.exportEmojis,
exportFiles: options.exportFiles,
maxFileSizeMb: options.maxFileSizeMb,
exportVoiceAsText: options.exportVoiceAsText,
exportConflictStrategy: options.exportConflictStrategy,
dirCache: mediaDirCache,
control
})
mediaCache.set(mediaKey, mediaItem)
}
mediaExported++
if (mediaExported % 5 === 0 || mediaExported === mediaMessages.length) {
onProgress?.({
current: 25,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'exporting-media',
phaseProgress: mediaExported,
phaseTotal: mediaMessages.length,
phaseLabel: this.exportService.formatMediaPhaseLabel(mediaExported, mediaMessages.length, beforeMediaDoneFiles),
...this.exportService.getMediaTelemetrySnapshot()
})
}
})
}
await this.exportService.preloadWeliveRawEmojiMedia(sortedMessages, mediaCache, mediaRootDir, mediaRelativePrefix, options, control, onProgress, sessionInfo.displayName, 20)
const fileOnlyExportFailure = this.exportService.buildFileOnlyExportFailure(options, mediaMessages, beforeMediaDoneFiles)
if (fileOnlyExportFailure) return fileOnlyExportFailure
const voiceTranscriptMap = new Map<string, string>()
if (voiceMessages.length > 0) {
await this.exportService.preloadVoiceWavCache(sessionId, voiceMessages, control)
onProgress?.({
current: 45,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'exporting-voice',
phaseProgress: 0,
phaseTotal: voiceMessages.length,
phaseLabel: `语音转文字 0/${voiceMessages.length}`,
estimatedTotalMessages: totalMessages
})
const VOICE_CONCURRENCY = 4
let voiceTranscribed = 0
await parallelLimit(voiceMessages, VOICE_CONCURRENCY, async (msg: any) => {
this.exportService.throwIfStopRequested(control)
const transcript = await this.exportService.transcribeVoice(sessionId, String(msg.localId), msg.createTime, msg.senderUsername, msg.serverIdRaw || msg.serverId)
voiceTranscriptMap.set(this.exportService.getStableMessageKey(msg), transcript)
voiceTranscribed++
onProgress?.({
current: 45,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'exporting-voice',
phaseProgress: voiceTranscribed,
phaseTotal: voiceMessages.length,
phaseLabel: `语音转文字 ${voiceTranscribed}/${voiceMessages.length}`
})
})
}
onProgress?.({
current: 60,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'writing',
estimatedTotalMessages: totalMessages,
collectedMessages: totalMessages,
exportedMessages: 0
})
await this.exportService.recordCreatedFileBeforeWrite(outputPath, control)
const stream = fs.createWriteStream(outputPath, { encoding: 'utf-8' })
const writeChunk = async (chunk: string): Promise<void> => {
await new Promise<void>((resolve, _reject) => {
this.exportService.throwIfStopRequested(control)
if (!stream.write(chunk)) stream.once('drain', resolve)
else resolve()
})
}
const WRITE_BATCH = 160
let writeBuffer: string[] = []
const flushWriteBuffer = async (): Promise<void> => {
if (writeBuffer.length === 0) return
await writeChunk(writeBuffer.join(''))
writeBuffer = []
}
await writeChunk([
'BEGIN;',
'CREATE TABLE IF NOT EXISTS weflow_messages (',
' session_id TEXT NOT NULL,',
' local_id TEXT,',
' message_id TEXT,',
' create_time BIGINT NOT NULL,',
' sender TEXT,',
' is_send BOOLEAN NOT NULL,',
' local_type INTEGER,',
' media_type TEXT,',
' content TEXT,',
' media_path TEXT',
');',
'CREATE INDEX IF NOT EXISTS idx_weflow_messages_session_time ON weflow_messages (session_id, create_time);',
''
].join('\n'))
for (let i = 0; i < totalMessages; i++) {
if ((i & 0x7f) === 0) {
this.exportService.throwIfStopRequested(control)
}
const msg = sortedMessages[i]
const mediaKey = this.exportService.getMediaCacheKey(msg)
const mediaItem = mediaCache.has(mediaKey)
? mediaCache.get(mediaKey)
: await this.exportService.resolveWeliveRawMediaItem(msg, mediaRootDir, mediaRelativePrefix, options, control)
const shouldUseTranscript = msg.localType === 34 && options.exportVoiceAsText
const mediaPathValue = !shouldUseTranscript && mediaItem?.relativePath
? this.exportService.formatExportMediaPath(mediaItem.relativePath, options, 'text')
: null
let contentValue = this.exportService.formatPlainExportContent(
msg.content,
msg.localType,
options,
voiceTranscriptMap.get(this.exportService.getStableMessageKey(msg)),
cleanedMyWxid,
msg.senderUsername,
msg.isSend,
msg.emojiCaption
)
const quotedReplyDisplay = await this.exportService.resolveQuotedReplyDisplayWithNames({
content: msg.content,
isGroup: String(sessionId).includes('@chatroom'),
displayNamePreference: options.displayNamePreference,
getContact: async (_username: string) => ({ success: false }),
groupNicknamesMap: new Map<string, string>(),
cleanedMyWxid,
rawMyWxid: this.exportService.getConfiguredMyWxid(),
myDisplayName: cleanedMyWxid
})
if (quotedReplyDisplay) {
contentValue = this.exportService.buildQuotedReplyText(quotedReplyDisplay)
} else {
const appendedLinkContent = this.exportService.formatLinkCardExportText(msg.content, msg.localType, 'append-url')
if (appendedLinkContent) contentValue = appendedLinkContent
}
writeBuffer.push(
`INSERT INTO weflow_messages (session_id, local_id, message_id, create_time, sender, is_send, local_type, media_type, content, media_path) VALUES (` +
[
sqlString(sessionId),
sqlNullableString(msg.localId ?? msg.local_id),
sqlNullableString(msg.serverId ?? msg.server_id ?? msg.msgId ?? msg.msg_id ?? msg.localId),
sqlNumber(msg.createTime ?? msg.create_time),
sqlNullableString(msg.senderUsername ?? msg.sender_username),
sqlBoolean(msg.isSend ?? msg.is_send),
sqlNumber(msg.localType ?? msg.local_type),
sqlNullableString(resolveMediaType(msg)),
sqlNullableString(contentValue),
sqlNullableString(mediaPathValue)
].join(', ') +
');\n'
)
if (writeBuffer.length >= WRITE_BATCH) {
await flushWriteBuffer()
}
if ((i + 1) % 200 === 0) {
onProgress?.({
current: 60 + Math.floor((i + 1) / totalMessages * 30),
total: 100,
currentSession: sessionInfo.displayName,
phase: 'writing',
estimatedTotalMessages: totalMessages,
collectedMessages: totalMessages,
exportedMessages: i + 1
})
}
}
await flushWriteBuffer()
await writeChunk('COMMIT;\n')
this.exportService.throwIfStopRequested(control)
await new Promise<void>((resolve, reject) => {
stream.on('error', reject)
stream.end(() => resolve())
})
onProgress?.({
current: 100,
total: 100,
currentSession: sessionInfo.displayName,
phase: 'complete',
estimatedTotalMessages: totalMessages,
collectedMessages: totalMessages,
exportedMessages: totalMessages,
writtenFiles: 1
})
return { success: true }
} catch (e) {
if (this.exportService.isStopError(e)) {
return { success: false, error: '导出任务已停止' }
}
if (this.exportService.isPauseError(e)) {
return { success: false, error: '导出任务已暂停' }
}
return { success: false, error: String(e) }
}
}
}