448 lines
16 KiB
TypeScript
448 lines
16 KiB
TypeScript
import { parentPort } from 'worker_threads'
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import { wcdbService } from './wcdbService'
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export interface DualReportMessage {
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content: string
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isSentByMe: boolean
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createTime: number
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createTimeStr: string
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}
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export interface DualReportFirstChat {
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createTime: number
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createTimeStr: string
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content: string
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isSentByMe: boolean
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senderUsername?: string
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}
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export interface DualReportStats {
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totalMessages: number
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totalWords: number
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imageCount: number
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voiceCount: number
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emojiCount: number
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myTopEmojiMd5?: string
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friendTopEmojiMd5?: string
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myTopEmojiUrl?: string
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friendTopEmojiUrl?: string
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myTopEmojiCount?: number
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friendTopEmojiCount?: number
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}
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export interface DualReportData {
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year: number
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selfName: string
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selfAvatarUrl?: string
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friendUsername: string
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friendName: string
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friendAvatarUrl?: string
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firstChat: DualReportFirstChat | null
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firstChatMessages?: DualReportMessage[]
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yearFirstChat?: {
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createTime: number
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createTimeStr: string
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content: string
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isSentByMe: boolean
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friendName: string
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firstThreeMessages: DualReportMessage[]
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} | null
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stats: DualReportStats
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topPhrases: Array<{ phrase: string; count: number }>
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heatmap?: number[][]
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initiative?: { initiated: number; received: number }
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response?: { avg: number; fastest: number; count: number }
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monthly?: Record<string, number>
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streak?: { days: number; startDate: string; endDate: string }
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}
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class DualReportService {
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private broadcastProgress(status: string, progress: number) {
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if (parentPort) {
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parentPort.postMessage({
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type: 'dualReport:progress',
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data: { status, progress }
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})
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}
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}
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private reportProgress(status: string, progress: number, onProgress?: (status: string, progress: number) => void) {
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if (onProgress) {
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onProgress(status, progress)
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return
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}
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this.broadcastProgress(status, progress)
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}
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private cleanAccountDirName(dirName: string): string {
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const trimmed = dirName.trim()
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if (!trimmed) return trimmed
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if (trimmed.toLowerCase().startsWith('wxid_')) {
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const match = trimmed.match(/^(wxid_[^_]+)/i)
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if (match) return match[1]
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return trimmed
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}
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const suffixMatch = trimmed.match(/^(.+)_([a-zA-Z0-9]{4})$/)
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const cleaned = suffixMatch ? suffixMatch[1] : trimmed
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return cleaned
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}
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private async ensureConnectedWithConfig(
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dbPath: string,
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decryptKey: string,
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wxid: string
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): Promise<{ success: boolean; cleanedWxid?: string; rawWxid?: string; error?: string }> {
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if (!wxid) return { success: false, error: '未配置微信ID' }
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if (!dbPath) return { success: false, error: '未配置数据库路径' }
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if (!decryptKey) return { success: false, error: '未配置解密密钥' }
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const cleanedWxid = this.cleanAccountDirName(wxid)
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const ok = await wcdbService.open(dbPath, decryptKey, cleanedWxid)
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if (!ok) return { success: false, error: 'WCDB 打开失败' }
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return { success: true, cleanedWxid, rawWxid: wxid }
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}
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private decodeMessageContent(messageContent: any, compressContent: any): string {
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let content = this.decodeMaybeCompressed(compressContent)
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if (!content || content.length === 0) {
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content = this.decodeMaybeCompressed(messageContent)
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}
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return content
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}
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private decodeMaybeCompressed(raw: any): string {
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if (!raw) return ''
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if (typeof raw === 'string') {
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if (raw.length === 0) return ''
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// 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
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// 短字符串（如 "123456" 等纯数字）容易被误判为 hex
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if (raw.length > 16 && this.looksLikeHex(raw)) {
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const bytes = Buffer.from(raw, 'hex')
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if (bytes.length > 0) return this.decodeBinaryContent(bytes)
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}
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// 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
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// 短字符串（如 "test", "home" 等）容易被误判为 base64
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if (raw.length > 16 && this.looksLikeBase64(raw)) {
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try {
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const bytes = Buffer.from(raw, 'base64')
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return this.decodeBinaryContent(bytes)
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} catch {
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return raw
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}
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}
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return raw
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}
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return ''
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}
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private decodeBinaryContent(data: Buffer): string {
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if (data.length === 0) return ''
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try {
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if (data.length >= 4) {
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const magic = data.readUInt32LE(0)
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if (magic === 0xFD2FB528) {
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const fzstd = require('fzstd')
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const decompressed = fzstd.decompress(data)
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return Buffer.from(decompressed).toString('utf-8')
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}
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}
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const decoded = data.toString('utf-8')
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const replacementCount = (decoded.match(/\uFFFD/g) || []).length
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if (replacementCount < decoded.length * 0.2) {
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return decoded.replace(/\uFFFD/g, '')
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}
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return data.toString('latin1')
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} catch {
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return ''
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}
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}
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private looksLikeHex(s: string): boolean {
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if (s.length % 2 !== 0) return false
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return /^[0-9a-fA-F]+$/.test(s)
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}
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private looksLikeBase64(s: string): boolean {
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if (s.length % 4 !== 0) return false
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return /^[A-Za-z0-9+/=]+$/.test(s)
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}
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private formatDateTime(milliseconds: number): string {
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const dt = new Date(milliseconds)
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const month = String(dt.getMonth() + 1).padStart(2, '0')
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const day = String(dt.getDate()).padStart(2, '0')
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const hour = String(dt.getHours()).padStart(2, '0')
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const minute = String(dt.getMinutes()).padStart(2, '0')
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return `${month}/${day} ${hour}:${minute}`
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}
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private extractEmojiUrl(content: string): string | undefined {
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if (!content) return undefined
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const attrMatch = /cdnurl\s*=\s*['"]([^'"]+)['"]/i.exec(content)
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if (attrMatch) {
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let url = attrMatch[1].replace(/&/g, '&')
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try {
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if (url.includes('%')) {
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url = decodeURIComponent(url)
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}
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} catch { }
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return url
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}
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const tagMatch = /cdnurl[^>]*>([^<]+)/i.exec(content)
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return tagMatch?.[1]
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}
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private extractEmojiMd5(content: string): string | undefined {
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if (!content) return undefined
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const match = /md5="([^"]+)"/i.exec(content) || /<md5>([^<]+)<\/md5>/i.exec(content)
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return match?.[1]
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}
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private async getDisplayName(username: string, fallback: string): Promise<string> {
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const result = await wcdbService.getDisplayNames([username])
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if (result.success && result.map) {
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return result.map[username] || fallback
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}
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return fallback
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}
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private resolveIsSent(row: any, rawWxid?: string, cleanedWxid?: string): boolean {
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const isSendRaw = row.computed_is_send ?? row.is_send
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if (isSendRaw !== undefined && isSendRaw !== null) {
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return parseInt(isSendRaw, 10) === 1
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}
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const sender = String(row.sender_username || row.sender || row.talker || '').toLowerCase()
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if (!sender) return false
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const rawLower = rawWxid ? rawWxid.toLowerCase() : ''
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const cleanedLower = cleanedWxid ? cleanedWxid.toLowerCase() : ''
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return !!(
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sender === rawLower ||
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sender === cleanedLower ||
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(rawLower && rawLower.startsWith(sender + '_')) ||
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(cleanedLower && cleanedLower.startsWith(sender + '_'))
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)
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}
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private async getFirstMessages(
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sessionId: string,
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limit: number,
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beginTimestamp: number,
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endTimestamp: number
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): Promise<any[]> {
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const safeBegin = Math.max(0, beginTimestamp || 0)
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const safeEnd = endTimestamp && endTimestamp > 0 ? endTimestamp : Math.floor(Date.now() / 1000)
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const cursorResult = await wcdbService.openMessageCursor(sessionId, Math.max(1, limit), true, safeBegin, safeEnd)
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if (!cursorResult.success || !cursorResult.cursor) return []
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try {
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const rows: any[] = []
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let hasMore = true
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while (hasMore && rows.length < limit) {
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const batch = await wcdbService.fetchMessageBatch(cursorResult.cursor)
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if (!batch.success || !batch.rows) break
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for (const row of batch.rows) {
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rows.push(row)
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if (rows.length >= limit) break
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}
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hasMore = batch.hasMore === true
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}
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return rows.slice(0, limit)
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} finally {
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await wcdbService.closeMessageCursor(cursorResult.cursor)
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}
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}
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async generateReportWithConfig(params: {
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year: number
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friendUsername: string
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dbPath: string
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decryptKey: string
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wxid: string
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onProgress?: (status: string, progress: number) => void
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}): Promise<{ success: boolean; data?: DualReportData; error?: string }> {
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try {
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const { year, friendUsername, dbPath, decryptKey, wxid, onProgress } = params
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this.reportProgress('正在连接数据库...', 5, onProgress)
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const conn = await this.ensureConnectedWithConfig(dbPath, decryptKey, wxid)
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if (!conn.success || !conn.cleanedWxid || !conn.rawWxid) return { success: false, error: conn.error }
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const cleanedWxid = conn.cleanedWxid
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const rawWxid = conn.rawWxid
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const reportYear = year <= 0 ? 0 : year
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const isAllTime = reportYear === 0
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const startTime = isAllTime ? 0 : Math.floor(new Date(reportYear, 0, 1).getTime() / 1000)
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const endTime = isAllTime ? 0 : Math.floor(new Date(reportYear, 11, 31, 23, 59, 59).getTime() / 1000)
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this.reportProgress('加载联系人信息...', 10, onProgress)
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const friendName = await this.getDisplayName(friendUsername, friendUsername)
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let myName = await this.getDisplayName(rawWxid, rawWxid)
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if (myName === rawWxid && cleanedWxid && cleanedWxid !== rawWxid) {
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myName = await this.getDisplayName(cleanedWxid, rawWxid)
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}
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const avatarCandidates = Array.from(new Set([
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friendUsername,
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rawWxid,
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cleanedWxid
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].filter(Boolean) as string[]))
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let selfAvatarUrl: string | undefined
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let friendAvatarUrl: string | undefined
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const avatarResult = await wcdbService.getAvatarUrls(avatarCandidates)
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if (avatarResult.success && avatarResult.map) {
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selfAvatarUrl = avatarResult.map[rawWxid] || avatarResult.map[cleanedWxid]
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friendAvatarUrl = avatarResult.map[friendUsername]
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}
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this.reportProgress('获取首条聊天记录...', 15, onProgress)
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const firstRows = await this.getFirstMessages(friendUsername, 3, 0, 0)
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let firstChat: DualReportFirstChat | null = null
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if (firstRows.length > 0) {
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const row = firstRows[0]
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const createTime = parseInt(row.create_time || '0', 10) * 1000
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const content = this.decodeMessageContent(row.message_content, row.compress_content)
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firstChat = {
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createTime,
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createTimeStr: this.formatDateTime(createTime),
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content: String(content || ''),
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isSentByMe: this.resolveIsSent(row, rawWxid, cleanedWxid),
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senderUsername: row.sender_username || row.sender
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}
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}
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const firstChatMessages: DualReportMessage[] = firstRows.map((row) => {
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const msgTime = parseInt(row.create_time || '0', 10) * 1000
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const msgContent = this.decodeMessageContent(row.message_content, row.compress_content)
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return {
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content: String(msgContent || ''),
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isSentByMe: this.resolveIsSent(row, rawWxid, cleanedWxid),
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createTime: msgTime,
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createTimeStr: this.formatDateTime(msgTime)
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}
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})
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let yearFirstChat: DualReportData['yearFirstChat'] = null
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if (!isAllTime) {
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this.reportProgress('获取今年首次聊天...', 20, onProgress)
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const firstYearRows = await this.getFirstMessages(friendUsername, 3, startTime, endTime)
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if (firstYearRows.length > 0) {
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const firstRow = firstYearRows[0]
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const createTime = parseInt(firstRow.create_time || '0', 10) * 1000
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const firstThreeMessages: DualReportMessage[] = firstYearRows.map((row) => {
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const msgTime = parseInt(row.create_time || '0', 10) * 1000
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const msgContent = this.decodeMessageContent(row.message_content, row.compress_content)
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return {
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content: String(msgContent || ''),
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isSentByMe: this.resolveIsSent(row, rawWxid, cleanedWxid),
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createTime: msgTime,
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createTimeStr: this.formatDateTime(msgTime)
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}
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})
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yearFirstChat = {
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createTime,
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createTimeStr: this.formatDateTime(createTime),
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content: String(this.decodeMessageContent(firstRow.message_content, firstRow.compress_content) || ''),
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isSentByMe: this.resolveIsSent(firstRow, rawWxid, cleanedWxid),
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friendName,
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firstThreeMessages
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}
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}
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}
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this.reportProgress('统计聊天数据...', 30, onProgress)
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const statsResult = await wcdbService.getDualReportStats(friendUsername, startTime, endTime)
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if (!statsResult.success || !statsResult.data) {
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return { success: false, error: statsResult.error || '获取双人报告统计失败' }
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}
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const cppData = statsResult.data
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const counts = cppData.counts || {}
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const stats: DualReportStats = {
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totalMessages: counts.total || 0,
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totalWords: counts.words || 0,
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imageCount: counts.image || 0,
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voiceCount: counts.voice || 0,
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emojiCount: counts.emoji || 0
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}
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// Process Emojis to find top for me and friend
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let myTopEmojiMd5: string | undefined
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let myTopEmojiUrl: string | undefined
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let myTopCount = -1
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let friendTopEmojiMd5: string | undefined
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let friendTopEmojiUrl: string | undefined
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let friendTopCount = -1
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if (cppData.emojis && Array.isArray(cppData.emojis)) {
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for (const item of cppData.emojis) {
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const rawContent = item.content || ''
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const isMe = rawContent.startsWith('1:')
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const content = rawContent.substring(2) // Remove "1:" or "0:" prefix
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const count = item.count || 0
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if (isMe) {
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if (count > myTopCount) {
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const md5 = this.extractEmojiMd5(content)
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if (md5) {
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myTopCount = count
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myTopEmojiMd5 = md5
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myTopEmojiUrl = this.extractEmojiUrl(content)
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}
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}
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} else {
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if (count > friendTopCount) {
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const md5 = this.extractEmojiMd5(content)
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if (md5) {
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friendTopCount = count
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friendTopEmojiMd5 = md5
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friendTopEmojiUrl = this.extractEmojiUrl(content)
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}
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}
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}
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}
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}
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stats.myTopEmojiMd5 = myTopEmojiMd5
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stats.myTopEmojiUrl = myTopEmojiUrl
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stats.friendTopEmojiMd5 = friendTopEmojiMd5
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stats.friendTopEmojiUrl = friendTopEmojiUrl
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if (myTopCount >= 0) stats.myTopEmojiCount = myTopCount
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if (friendTopCount >= 0) stats.friendTopEmojiCount = friendTopCount
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const topPhrases = (cppData.phrases || []).map((p: any) => ({
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phrase: p.phrase,
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count: p.count
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}))
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// Attach extra stats to the data object (needs interface update if strictly typed, but data is flexible)
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const reportData: DualReportData = {
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year: reportYear,
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selfName: myName,
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selfAvatarUrl,
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friendUsername,
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friendName,
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friendAvatarUrl,
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firstChat,
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firstChatMessages,
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yearFirstChat,
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stats,
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topPhrases,
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// Append new C++ stats
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heatmap: cppData.heatmap,
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initiative: cppData.initiative,
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response: cppData.response,
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monthly: cppData.monthly,
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streak: cppData.streak
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} as any // Use as any to bypass strict type check for new fields, or update interface
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this.reportProgress('双人报告生成完成', 100, onProgress)
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return { success: true, data: reportData }
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} catch (e) {
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return { success: false, error: String(e) }
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}
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}
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}
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export const dualReportService = new DualReportService()
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