Files
WeFlow/electron/services/dualReportService.ts
T

803 lines
30 KiB
TypeScript

import { parentPort } from 'worker_threads'
import { wcdbService } from './wcdbService'
export interface DualReportMessage {
content: string
isSentByMe: boolean
createTime: number
createTimeStr: string
localType?: number
emojiMd5?: string
emojiCdnUrl?: string
}
export interface DualReportFirstChat {
createTime: number
createTimeStr: string
content: string
isSentByMe: boolean
senderUsername?: string
localType?: number
emojiMd5?: string
emojiCdnUrl?: string
}
export interface DualReportStats {
totalMessages: number
totalWords: number
imageCount: number
voiceCount: number
emojiCount: number
myTopEmojiMd5?: string
friendTopEmojiMd5?: string
myTopEmojiUrl?: string
friendTopEmojiUrl?: string
myTopEmojiCount?: number
friendTopEmojiCount?: number
}
export interface DualReportData {
year: number
selfName: string
selfAvatarUrl?: string
friendUsername: string
friendName: string
friendAvatarUrl?: string
firstChat: DualReportFirstChat | null
firstChatMessages?: DualReportMessage[]
yearFirstChat?: {
createTime: number
createTimeStr: string
content: string
isSentByMe: boolean
friendName: string
firstThreeMessages: DualReportMessage[]
localType?: number
emojiMd5?: string
emojiCdnUrl?: string
} | null
stats: DualReportStats
topPhrases: Array<{ phrase: string; count: number }>
myExclusivePhrases: Array<{ phrase: string; count: number }>
friendExclusivePhrases: Array<{ phrase: string; count: number }>
heatmap?: number[][]
initiative?: { initiated: number; received: number }
response?: { avg: number; fastest: number; count: number }
monthly?: Record<string, number>
streak?: { days: number; startDate: string; endDate: string }
}
class DualReportService {
private broadcastProgress(status: string, progress: number) {
if (parentPort) {
parentPort.postMessage({
type: 'dualReport:progress',
data: { status, progress }
})
}
}
private reportProgress(status: string, progress: number, onProgress?: (status: string, progress: number) => void) {
if (onProgress) {
onProgress(status, progress)
return
}
this.broadcastProgress(status, progress)
}
private cleanAccountDirName(dirName: string): string {
const trimmed = dirName.trim()
if (!trimmed) return trimmed
if (trimmed.toLowerCase().startsWith('wxid_')) {
const match = trimmed.match(/^(wxid_[^_]+)/i)
if (match) return match[1]
return trimmed
}
const suffixMatch = trimmed.match(/^(.+)_([a-zA-Z0-9]{4})$/)
const cleaned = suffixMatch ? suffixMatch[1] : trimmed
return cleaned
}
private async ensureConnectedWithConfig(
dbPath: string,
decryptKey: string,
wxid: string
): Promise<{ success: boolean; cleanedWxid?: string; rawWxid?: string; error?: string }> {
if (!wxid) return { success: false, error: '未配置微信ID' }
if (!dbPath) return { success: false, error: '未配置数据库路径' }
if (!decryptKey) return { success: false, error: '未配置解密密钥' }
const cleanedWxid = this.cleanAccountDirName(wxid)
const ok = await wcdbService.open(dbPath, decryptKey, cleanedWxid)
if (!ok) return { success: false, error: 'WCDB 打开失败' }
return { success: true, cleanedWxid, rawWxid: wxid }
}
private decodeMessageContent(messageContent: any, compressContent: any): string {
let content = this.decodeMaybeCompressed(compressContent)
if (!content || content.length === 0) {
content = this.decodeMaybeCompressed(messageContent)
}
return content
}
private decodeMaybeCompressed(raw: any): string {
if (!raw) return ''
if (typeof raw === 'string') {
if (raw.length === 0) return ''
// 只有当字符串足够长(超过16字符)且看起来像 hex 时才尝试解码
// 短字符串(如 "123456" 等纯数字)容易被误判为 hex
if (raw.length > 16 && this.looksLikeHex(raw)) {
const bytes = Buffer.from(raw, 'hex')
if (bytes.length > 0) return this.decodeBinaryContent(bytes)
}
// 只有当字符串足够长(超过16字符)且看起来像 base64 时才尝试解码
// 短字符串(如 "test", "home" 等)容易被误判为 base64
if (raw.length > 16 && this.looksLikeBase64(raw)) {
try {
const bytes = Buffer.from(raw, 'base64')
return this.decodeBinaryContent(bytes)
} catch {
return raw
}
}
return raw
}
return ''
}
private decodeBinaryContent(data: Buffer): string {
if (data.length === 0) return ''
try {
if (data.length >= 4) {
const magic = data.readUInt32LE(0)
if (magic === 0xFD2FB528) {
const fzstd = require('fzstd')
const decompressed = fzstd.decompress(data)
return Buffer.from(decompressed).toString('utf-8')
}
}
const decoded = data.toString('utf-8')
const replacementCount = (decoded.match(/\uFFFD/g) || []).length
if (replacementCount < decoded.length * 0.2) {
return decoded.replace(/\uFFFD/g, '')
}
return data.toString('latin1')
} catch {
return ''
}
}
private looksLikeHex(s: string): boolean {
if (s.length % 2 !== 0) return false
return /^[0-9a-fA-F]+$/.test(s)
}
private looksLikeBase64(s: string): boolean {
if (s.length % 4 !== 0) return false
return /^[A-Za-z0-9+/=]+$/.test(s)
}
private formatDateTime(milliseconds: number): string {
const dt = new Date(milliseconds)
const month = String(dt.getMonth() + 1).padStart(2, '0')
const day = String(dt.getDate()).padStart(2, '0')
const hour = String(dt.getHours()).padStart(2, '0')
const minute = String(dt.getMinutes()).padStart(2, '0')
return `${month}/${day} ${hour}:${minute}`
}
private getRecordField(record: Record<string, any> | undefined | null, keys: string[]): any {
if (!record) return undefined
for (const key of keys) {
if (Object.prototype.hasOwnProperty.call(record, key) && record[key] !== undefined && record[key] !== null) {
return record[key]
}
}
return undefined
}
private coerceNumber(raw: any): number {
if (raw === undefined || raw === null || raw === '') return NaN
if (typeof raw === 'number') return raw
if (typeof raw === 'bigint') return Number(raw)
if (Buffer.isBuffer(raw)) return parseInt(raw.toString('utf-8'), 10)
if (raw instanceof Uint8Array) return parseInt(Buffer.from(raw).toString('utf-8'), 10)
const parsed = parseInt(String(raw), 10)
return Number.isFinite(parsed) ? parsed : NaN
}
private coerceString(raw: any): string {
if (raw === undefined || raw === null) return ''
if (typeof raw === 'string') return raw
if (Buffer.isBuffer(raw)) return this.decodeBinaryContent(raw)
if (raw instanceof Uint8Array) return this.decodeBinaryContent(Buffer.from(raw))
return String(raw)
}
private coerceBoolean(raw: any): boolean | undefined {
if (raw === undefined || raw === null || raw === '') return undefined
if (typeof raw === 'boolean') return raw
if (typeof raw === 'number') return raw !== 0
const normalized = String(raw).trim().toLowerCase()
if (!normalized) return undefined
if (['1', 'true', 'yes', 'me', 'self', 'mine', 'sent', 'out', 'outgoing'].includes(normalized)) return true
if (['0', 'false', 'no', 'friend', 'peer', 'other', 'recv', 'received', 'in', 'incoming'].includes(normalized)) return false
return undefined
}
private normalizeEmojiMd5(raw: string): string | undefined {
if (!raw) return undefined
const trimmed = raw.trim()
if (!trimmed) return undefined
const match = /([a-fA-F0-9]{16,64})/.exec(trimmed)
return match ? match[1].toLowerCase() : undefined
}
private normalizeEmojiUrl(raw: string): string | undefined {
if (!raw) return undefined
let url = raw.trim().replace(/&amp;/g, '&')
if (!url) return undefined
try {
if (url.includes('%')) {
url = decodeURIComponent(url)
}
} catch { }
return url || undefined
}
private extractEmojiUrl(content: string | undefined): string | undefined {
if (!content) return undefined
const direct = this.normalizeEmojiUrl(content)
if (direct && /^https?:\/\//i.test(direct)) return direct
const attrMatch = /(?:cdnurl|thumburl)\s*=\s*['"]([^'"]+)['"]/i.exec(content)
|| /(?:cdnurl|thumburl)\s*=\s*([^'"\s>]+)/i.exec(content)
if (attrMatch) return this.normalizeEmojiUrl(attrMatch[1])
const tagMatch = /<(?:cdnurl|thumburl)>([^<]+)<\/(?:cdnurl|thumburl)>/i.exec(content)
|| /(?:cdnurl|thumburl)[^>]*>([^<]+)/i.exec(content)
return this.normalizeEmojiUrl(tagMatch?.[1] || '')
}
private extractEmojiMd5(content: string | undefined): string | undefined {
if (!content) return undefined
const direct = this.normalizeEmojiMd5(content)
if (direct && direct.length >= 24) return direct
const match = /md5\s*=\s*['"]([a-fA-F0-9]{16,64})['"]/i.exec(content)
|| /md5\s*=\s*([a-fA-F0-9]{16,64})/i.exec(content)
|| /<md5>([a-fA-F0-9]{16,64})<\/md5>/i.exec(content)
return this.normalizeEmojiMd5(match?.[1] || '')
}
private resolveEmojiOwner(item: any, content: string): boolean | undefined {
const sentFlag = this.coerceBoolean(this.getRecordField(item, [
'isMe',
'is_me',
'isSent',
'is_sent',
'isSend',
'is_send',
'fromMe',
'from_me'
]))
if (sentFlag !== undefined) return sentFlag
const sideRaw = this.coerceString(this.getRecordField(item, ['side', 'sender', 'from', 'owner', 'role', 'direction'])).trim().toLowerCase()
if (sideRaw) {
if (['me', 'self', 'mine', 'out', 'outgoing', 'sent'].includes(sideRaw)) return true
if (['friend', 'peer', 'other', 'in', 'incoming', 'received', 'recv'].includes(sideRaw)) return false
}
const prefixMatch = /^\s*([01])\s*:\s*/.exec(content)
if (prefixMatch) return prefixMatch[1] === '1'
return undefined
}
private stripEmojiOwnerPrefix(content: string): string {
if (!content) return ''
return content.replace(/^\s*[01]\s*:\s*/, '')
}
private parseEmojiCandidate(item: any): { isMe?: boolean; md5?: string; url?: string; count: number } {
const rawContent = this.coerceString(this.getRecordField(item, [
'content',
'xml',
'message_content',
'messageContent',
'msg',
'payload',
'raw'
]))
const content = this.stripEmojiOwnerPrefix(rawContent)
const countRaw = this.getRecordField(item, ['count', 'cnt', 'times', 'total', 'num'])
const parsedCount = this.coerceNumber(countRaw)
const count = Number.isFinite(parsedCount) && parsedCount > 0 ? parsedCount : 0
const directMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(item, [
'md5',
'emojiMd5',
'emoji_md5',
'emd5'
])))
const md5 = directMd5 || this.extractEmojiMd5(content)
const directUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(item, [
'cdnUrl',
'cdnurl',
'emojiUrl',
'emoji_url',
'url',
'thumbUrl',
'thumburl'
])))
const url = directUrl || this.extractEmojiUrl(content)
return {
isMe: this.resolveEmojiOwner(item, rawContent),
md5,
url,
count
}
}
private getRowInt(row: Record<string, any>, keys: string[], fallback = 0): number {
const raw = this.getRecordField(row, keys)
const parsed = this.coerceNumber(raw)
return Number.isFinite(parsed) ? parsed : fallback
}
private decodeRowMessageContent(row: Record<string, any>): string {
const messageContent = this.getRecordField(row, [
'message_content',
'messageContent',
'content',
'msg_content',
'msgContent',
'WCDB_CT_message_content',
'WCDB_CT_messageContent'
])
const compressContent = this.getRecordField(row, [
'compress_content',
'compressContent',
'compressed_content',
'WCDB_CT_compress_content',
'WCDB_CT_compressContent'
])
return this.decodeMessageContent(messageContent, compressContent)
}
private async scanEmojiTopFallback(
sessionId: string,
beginTimestamp: number,
endTimestamp: number,
rawWxid: string,
cleanedWxid: string
): Promise<{ my?: { md5: string; url?: string; count: number }; friend?: { md5: string; url?: string; count: number } }> {
const cursorResult = await wcdbService.openMessageCursor(sessionId, 500, true, beginTimestamp, endTimestamp)
if (!cursorResult.success || !cursorResult.cursor) return {}
const tallyMap = new Map<string, { isMe: boolean; md5: string; url?: string; count: number }>()
try {
let hasMore = true
while (hasMore) {
const batch = await wcdbService.fetchMessageBatch(cursorResult.cursor)
if (!batch.success || !Array.isArray(batch.rows)) break
for (const row of batch.rows) {
const localType = this.getRowInt(row, ['local_type', 'localType', 'type', 'msg_type', 'msgType', 'WCDB_CT_local_type'], 0)
if (localType !== 47) continue
const rawContent = this.decodeRowMessageContent(row)
const content = this.stripEmojiOwnerPrefix(rawContent)
const directMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(row, ['emoji_md5', 'emojiMd5', 'md5'])))
const md5 = directMd5 || this.extractEmojiMd5(content)
if (!md5) continue
const directUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(row, [
'emoji_cdn_url',
'emojiCdnUrl',
'cdnurl',
'cdn_url',
'emoji_url',
'emojiUrl',
'url',
'thumburl',
'thumb_url'
])))
const url = directUrl || this.extractEmojiUrl(content)
const isMe = this.resolveIsSent(row, rawWxid, cleanedWxid)
const mapKey = `${isMe ? '1' : '0'}:${md5}`
const existing = tallyMap.get(mapKey)
if (existing) {
existing.count += 1
if (!existing.url && url) existing.url = url
} else {
tallyMap.set(mapKey, { isMe, md5, url, count: 1 })
}
}
hasMore = batch.hasMore === true
}
} finally {
await wcdbService.closeMessageCursor(cursorResult.cursor)
}
let myTop: { md5: string; url?: string; count: number } | undefined
let friendTop: { md5: string; url?: string; count: number } | undefined
for (const entry of tallyMap.values()) {
if (entry.isMe) {
if (!myTop || entry.count > myTop.count) {
myTop = { md5: entry.md5, url: entry.url, count: entry.count }
}
} else if (!friendTop || entry.count > friendTop.count) {
friendTop = { md5: entry.md5, url: entry.url, count: entry.count }
}
}
return { my: myTop, friend: friendTop }
}
private async getDisplayName(username: string, fallback: string): Promise<string> {
const result = await wcdbService.getDisplayNames([username])
if (result.success && result.map) {
return result.map[username] || fallback
}
return fallback
}
private resolveIsSent(row: any, rawWxid?: string, cleanedWxid?: string): boolean {
const isSendRaw = row.computed_is_send ?? row.is_send
if (isSendRaw !== undefined && isSendRaw !== null) {
return parseInt(isSendRaw, 10) === 1
}
const sender = String(row.sender_username || row.sender || row.talker || '').toLowerCase()
if (!sender) return false
const rawLower = rawWxid ? rawWxid.toLowerCase() : ''
const cleanedLower = cleanedWxid ? cleanedWxid.toLowerCase() : ''
return !!(
sender === rawLower ||
sender === cleanedLower ||
(rawLower && rawLower.startsWith(sender + '_')) ||
(cleanedLower && cleanedLower.startsWith(sender + '_'))
)
}
private async getFirstMessages(
sessionId: string,
limit: number,
beginTimestamp: number,
endTimestamp: number
): Promise<any[]> {
const safeBegin = Math.max(0, beginTimestamp || 0)
const safeEnd = endTimestamp && endTimestamp > 0 ? endTimestamp : Math.floor(Date.now() / 1000)
const cursorResult = await wcdbService.openMessageCursor(sessionId, Math.max(1, limit), true, safeBegin, safeEnd)
if (!cursorResult.success || !cursorResult.cursor) return []
try {
const rows: any[] = []
let hasMore = true
while (hasMore && rows.length < limit) {
const batch = await wcdbService.fetchMessageBatch(cursorResult.cursor)
if (!batch.success || !batch.rows) break
for (const row of batch.rows) {
rows.push(row)
if (rows.length >= limit) break
}
hasMore = batch.hasMore === true
}
return rows.slice(0, limit)
} finally {
await wcdbService.closeMessageCursor(cursorResult.cursor)
}
}
async generateReportWithConfig(params: {
year: number
friendUsername: string
dbPath: string
decryptKey: string
wxid: string
excludeWords?: string[]
onProgress?: (status: string, progress: number) => void
}): Promise<{ success: boolean; data?: DualReportData; error?: string }> {
try {
const { year, friendUsername, dbPath, decryptKey, wxid, excludeWords, onProgress } = params
this.reportProgress('正在连接数据库...', 5, onProgress)
const conn = await this.ensureConnectedWithConfig(dbPath, decryptKey, wxid)
if (!conn.success || !conn.cleanedWxid || !conn.rawWxid) return { success: false, error: conn.error }
const cleanedWxid = conn.cleanedWxid
const rawWxid = conn.rawWxid
const reportYear = year <= 0 ? 0 : year
const isAllTime = reportYear === 0
const startTime = isAllTime ? 0 : Math.floor(new Date(reportYear, 0, 1).getTime() / 1000)
const endTime = isAllTime ? 0 : Math.floor(new Date(reportYear, 11, 31, 23, 59, 59).getTime() / 1000)
this.reportProgress('加载联系人信息...', 10, onProgress)
const friendName = await this.getDisplayName(friendUsername, friendUsername)
let myName = await this.getDisplayName(rawWxid, rawWxid)
if (myName === rawWxid && cleanedWxid && cleanedWxid !== rawWxid) {
myName = await this.getDisplayName(cleanedWxid, rawWxid)
}
const avatarCandidates = Array.from(new Set([
friendUsername,
rawWxid,
cleanedWxid
].filter(Boolean) as string[]))
let selfAvatarUrl: string | undefined
let friendAvatarUrl: string | undefined
const avatarResult = await wcdbService.getAvatarUrls(avatarCandidates)
if (avatarResult.success && avatarResult.map) {
selfAvatarUrl = avatarResult.map[rawWxid] || avatarResult.map[cleanedWxid]
friendAvatarUrl = avatarResult.map[friendUsername]
}
this.reportProgress('获取首条聊天记录...', 15, onProgress)
const firstRows = await this.getFirstMessages(friendUsername, 10, 0, 0)
let firstChat: DualReportFirstChat | null = null
if (firstRows.length > 0) {
const row = firstRows[0]
const createTime = parseInt(row.create_time || '0', 10) * 1000
const rawContent = this.decodeMessageContent(row.message_content, row.compress_content)
const localType = this.getRowInt(row, ['local_type', 'localType', 'type', 'msg_type', 'msgType'], 0)
let emojiMd5: string | undefined
let emojiCdnUrl: string | undefined
if (localType === 47) {
const stripped = this.stripEmojiOwnerPrefix(rawContent)
emojiMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(row, ['emoji_md5', 'emojiMd5', 'md5']))) || this.extractEmojiMd5(stripped)
emojiCdnUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(row, ['emoji_cdn_url', 'emojiCdnUrl', 'cdnurl']))) || this.extractEmojiUrl(stripped)
}
firstChat = {
createTime,
createTimeStr: this.formatDateTime(createTime),
content: String(rawContent || ''),
isSentByMe: this.resolveIsSent(row, rawWxid, cleanedWxid),
senderUsername: row.sender_username || row.sender,
localType,
emojiMd5,
emojiCdnUrl
}
}
const firstChatMessages: DualReportMessage[] = firstRows.map((row) => {
const msgTime = parseInt(row.create_time || '0', 10) * 1000
const rawContent = this.decodeMessageContent(row.message_content, row.compress_content)
const localType = this.getRowInt(row, ['local_type', 'localType', 'type', 'msg_type', 'msgType'], 0)
let emojiMd5: string | undefined
let emojiCdnUrl: string | undefined
if (localType === 47) {
const stripped = this.stripEmojiOwnerPrefix(rawContent)
emojiMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(row, ['emoji_md5', 'emojiMd5', 'md5']))) || this.extractEmojiMd5(stripped)
emojiCdnUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(row, ['emoji_cdn_url', 'emojiCdnUrl', 'cdnurl']))) || this.extractEmojiUrl(stripped)
}
return {
content: String(rawContent || ''),
isSentByMe: this.resolveIsSent(row, rawWxid, cleanedWxid),
createTime: msgTime,
createTimeStr: this.formatDateTime(msgTime),
localType,
emojiMd5,
emojiCdnUrl
}
})
let yearFirstChat: DualReportData['yearFirstChat'] = null
if (!isAllTime) {
this.reportProgress('获取今年首次聊天...', 20, onProgress)
const firstYearRows = await this.getFirstMessages(friendUsername, 10, startTime, endTime)
if (firstYearRows.length > 0) {
const firstRow = firstYearRows[0]
const createTime = parseInt(firstRow.create_time || '0', 10) * 1000
const firstThreeMessages: DualReportMessage[] = firstYearRows.map((row) => {
const msgTime = parseInt(row.create_time || '0', 10) * 1000
const rawContent = this.decodeMessageContent(row.message_content, row.compress_content)
const localType = this.getRowInt(row, ['local_type', 'localType', 'type', 'msg_type', 'msgType'], 0)
let emojiMd5: string | undefined
let emojiCdnUrl: string | undefined
if (localType === 47) {
const stripped = this.stripEmojiOwnerPrefix(rawContent)
emojiMd5 = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(row, ['emoji_md5', 'emojiMd5', 'md5']))) || this.extractEmojiMd5(stripped)
emojiCdnUrl = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(row, ['emoji_cdn_url', 'emojiCdnUrl', 'cdnurl']))) || this.extractEmojiUrl(stripped)
}
return {
content: String(rawContent || ''),
isSentByMe: this.resolveIsSent(row, rawWxid, cleanedWxid),
createTime: msgTime,
createTimeStr: this.formatDateTime(msgTime),
localType,
emojiMd5,
emojiCdnUrl
}
})
const firstRowYear = firstYearRows[0]
const rawContentYear = this.decodeMessageContent(firstRowYear.message_content, firstRowYear.compress_content)
const localTypeYear = this.getRowInt(firstRowYear, ['local_type', 'localType', 'type', 'msg_type', 'msgType'], 0)
let emojiMd5Year: string | undefined
let emojiCdnUrlYear: string | undefined
if (localTypeYear === 47) {
const stripped = this.stripEmojiOwnerPrefix(rawContentYear)
emojiMd5Year = this.normalizeEmojiMd5(this.coerceString(this.getRecordField(firstRowYear, ['emoji_md5', 'emojiMd5', 'md5']))) || this.extractEmojiMd5(stripped)
emojiCdnUrlYear = this.normalizeEmojiUrl(this.coerceString(this.getRecordField(firstRowYear, ['emoji_cdn_url', 'emojiCdnUrl', 'cdnurl']))) || this.extractEmojiUrl(stripped)
}
yearFirstChat = {
createTime,
createTimeStr: this.formatDateTime(createTime),
content: String(rawContentYear || ''),
isSentByMe: this.resolveIsSent(firstRowYear, rawWxid, cleanedWxid),
friendName,
firstThreeMessages,
localType: localTypeYear,
emojiMd5: emojiMd5Year,
emojiCdnUrl: emojiCdnUrlYear
}
}
}
this.reportProgress('统计聊天数据...', 30, onProgress)
const statsResult = await wcdbService.getDualReportStats(friendUsername, startTime, endTime)
if (!statsResult.success || !statsResult.data) {
return { success: false, error: statsResult.error || '获取双人报告统计失败' }
}
const cppData = statsResult.data
const counts = cppData.counts || {}
const stats: DualReportStats = {
totalMessages: counts.total || 0,
totalWords: counts.words || 0,
imageCount: counts.image || 0,
voiceCount: counts.voice || 0,
emojiCount: counts.emoji || 0
}
// Process Emojis to find top for me and friend
let myTopEmojiMd5: string | undefined
let myTopEmojiUrl: string | undefined
let myTopCount = -1
let friendTopEmojiMd5: string | undefined
let friendTopEmojiUrl: string | undefined
let friendTopCount = -1
if (cppData.emojis && Array.isArray(cppData.emojis)) {
for (const item of cppData.emojis) {
const candidate = this.parseEmojiCandidate(item)
if (!candidate.md5 || candidate.isMe === undefined || candidate.count <= 0) continue
if (candidate.isMe) {
if (candidate.count > myTopCount) {
myTopCount = candidate.count
myTopEmojiMd5 = candidate.md5
myTopEmojiUrl = candidate.url
}
} else if (candidate.count > friendTopCount) {
friendTopCount = candidate.count
friendTopEmojiMd5 = candidate.md5
friendTopEmojiUrl = candidate.url
}
}
}
const needsEmojiFallback = stats.emojiCount > 0 && (!myTopEmojiMd5 || !friendTopEmojiMd5)
if (needsEmojiFallback) {
const fallback = await this.scanEmojiTopFallback(friendUsername, startTime, endTime, rawWxid, cleanedWxid)
if (!myTopEmojiMd5 && fallback.my?.md5) {
myTopEmojiMd5 = fallback.my.md5
myTopEmojiUrl = myTopEmojiUrl || fallback.my.url
myTopCount = fallback.my.count
}
if (!friendTopEmojiMd5 && fallback.friend?.md5) {
friendTopEmojiMd5 = fallback.friend.md5
friendTopEmojiUrl = friendTopEmojiUrl || fallback.friend.url
friendTopCount = fallback.friend.count
}
}
const [myEmojiUrlResult, friendEmojiUrlResult] = await Promise.all([
myTopEmojiMd5 && !myTopEmojiUrl ? wcdbService.getEmoticonCdnUrl(dbPath, myTopEmojiMd5) : Promise.resolve(null),
friendTopEmojiMd5 && !friendTopEmojiUrl ? wcdbService.getEmoticonCdnUrl(dbPath, friendTopEmojiMd5) : Promise.resolve(null)
])
if (myEmojiUrlResult?.success && myEmojiUrlResult.url) myTopEmojiUrl = myEmojiUrlResult.url
if (friendEmojiUrlResult?.success && friendEmojiUrlResult.url) friendTopEmojiUrl = friendEmojiUrlResult.url
stats.myTopEmojiMd5 = myTopEmojiMd5
stats.myTopEmojiUrl = myTopEmojiUrl
stats.friendTopEmojiMd5 = friendTopEmojiMd5
stats.friendTopEmojiUrl = friendTopEmojiUrl
if (myTopCount >= 0) stats.myTopEmojiCount = myTopCount
if (friendTopCount >= 0) stats.friendTopEmojiCount = friendTopCount
if (friendTopCount >= 0) stats.friendTopEmojiCount = friendTopCount
const excludeSet = new Set(excludeWords || [])
const filterPhrases = (list: any[]) => {
return (list || []).filter((p: any) => !excludeSet.has(p.phrase))
}
const cleanPhrases = filterPhrases(cppData.phrases)
const cleanMyPhrases = filterPhrases(cppData.myPhrases)
const cleanFriendPhrases = filterPhrases(cppData.friendPhrases)
const topPhrases = cleanPhrases.map((p: any) => ({
phrase: p.phrase,
count: p.count
}))
// 计算专属词汇:一方频繁使用而另一方很少使用的词
const myPhraseMap = new Map<string, number>()
const friendPhraseMap = new Map<string, number>()
for (const p of cleanMyPhrases) {
myPhraseMap.set(p.phrase, p.count)
}
for (const p of cleanFriendPhrases) {
friendPhraseMap.set(p.phrase, p.count)
}
// 专属词汇:该方使用占比 >= 75% 且至少出现 2 次
const myExclusivePhrases: Array<{ phrase: string; count: number }> = []
const friendExclusivePhrases: Array<{ phrase: string; count: number }> = []
for (const [phrase, myCount] of myPhraseMap) {
const friendCount = friendPhraseMap.get(phrase) || 0
const total = myCount + friendCount
if (myCount >= 2 && total > 0 && myCount / total >= 0.75) {
myExclusivePhrases.push({ phrase, count: myCount })
}
}
for (const [phrase, friendCount] of friendPhraseMap) {
const myCount = myPhraseMap.get(phrase) || 0
const total = myCount + friendCount
if (friendCount >= 2 && total > 0 && friendCount / total >= 0.75) {
friendExclusivePhrases.push({ phrase, count: friendCount })
}
}
// 按频率排序,取前 20
myExclusivePhrases.sort((a, b) => b.count - a.count)
friendExclusivePhrases.sort((a, b) => b.count - a.count)
if (myExclusivePhrases.length > 20) myExclusivePhrases.length = 20
if (friendExclusivePhrases.length > 20) friendExclusivePhrases.length = 20
const reportData: DualReportData = {
year: reportYear,
selfName: myName,
selfAvatarUrl,
friendUsername,
friendName,
friendAvatarUrl,
firstChat,
firstChatMessages,
yearFirstChat,
stats,
topPhrases,
myExclusivePhrases,
friendExclusivePhrases,
heatmap: cppData.heatmap,
initiative: cppData.initiative,
response: cppData.response,
monthly: cppData.monthly,
streak: cppData.streak
} as any
this.reportProgress('双人报告生成完成', 100, onProgress)
return { success: true, data: reportData }
} catch (e) {
return { success: false, error: String(e) }
}
}
}
export const dualReportService = new DualReportService()